Peer-Reviewed Research

Evidence Database

A curated collection of peer-reviewed research on vagus nerve stimulation. Search by condition, study type, or keyword to explore the evidence.

1113
Studies
42
Conditions
535
Journals
1976–2026
Year Range

Protocol of the randomized double blind sham controlled AddVNS study of transcutaneous vagus nerve stimulation mechanisms in depression

Kokolakis et al. · Scientific reports · 2026

We believe it to significantly advance our mechanistic understanding and subsequently clinical translation of this promising intervention.

RCTDepressiontaVNS

Effects of adding transcutaneous vagus nerve stimulation to vestibular rehabilitation on dizziness and postural control in vestibular migraine: a randomized clinical trial

Farahani et al. · Scientific reports · 2026

All groups showed significant improvement (p < 0.05), but VR plus taVNS produced the most consistent gains across postural and symptom measures.

RCTMigrainetaVNS

Network meta-analysis on efficacy of nerve stimulation or modulation in patients with heart failure

Tseng et al. · Heart rhythm · 2026

Interventions targeting both arms of the autonomic nervous system, including sympathetic and parasympathetic nervous systems, and the vasculature (carotid or renal arteries) demonstrated preferable results.

meta-analysisHeart FailureiVNS

The vagus connection: exploring the neurobiology of brain-gut communication

Xing et al. · Journal of neurophysiology · 2026

This imbalance plays a significant role in pathological conditions such as irritable bowel syndrome and functional dyspepsia.

RCTGut HealthtaVNS

Vagal Nerve Stimulation for Chronic Constipation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Saleh et al. · Neuromodulation : journal of the International Neuromodulation Society · 2026

Six RCTs involving 356 participants were included.

meta-analysisGut HealthtaVNS
n = 356 subjects

Transauricular vagus nerve electrical stimulation improves postoperative sleep disorders in elderly patients (VNstep): protocol for a randomized controlled clinical trial

Wang et al. · Trials · 2026

This study aimed to investigate the efficacy of transauricular vagal nerve stimulation in improving sleep disorders in elderly patients.

RCTSleeptaVNS

Predicting treatment response to transcutaneous auricular vagus nerve stimulation in patients with insomnia: resting-state functional connectivity based multivoxel pattern analysis

Qi et al. · BMC psychiatry · 2026

TaVNS group showed significantly improved clinical assessment compared with staVNS.

clinical trialSleeptaVNS

Transcutaneous vagus nerve stimulation in breast cancer: a neuroimmune model to improve quality of life

Do et al. · Frontiers in oncology · 2026

Evidence suggests that tVNS modulates locus coeruleus-norepinephrine activity, regulates arousal and sleep, reduces fatigue and anxiety, enhances cognitive function, and activates the cholinergic anti-inflammatory pathways.

clinical trialSleeptaVNS

Vagus nerve stimulation: An update of currently registered clinical trials on ClinicalTrials.gov

Horowitz et al. · Surgical neurology international · 2026

An examination of ClinicalTrials.gov revealed 440 clinical trials, with 346 meeting our inclusion criteria.

narrative reviewLong COVIDtaVNS
n = 38 subjects

Brain-gut interaction for holistic regulation: Transcutaneous auricular vagus nerve stimulation in modulating glucose and lipid metabolic disorders

Zou et al. · Clinical nutrition (Edinburgh, Scotland) · 2026

Based on the concept of "brain-gut interaction for holistic regulation", this review explores the potential mechanisms of taVNS in ameliorating glucose and lipid metabolic disorders, offering new perspectives and strategies for clinical intervention.

clinical trialMetabolictaVNS

Vagus nerve stimulation ameliorates learning-memory deficits and suppresses neuronal apoptosis via the ERK/CREB/BDNF signaling pathway in epileptic rats

Lu et al. · The International journal of neuroscience · 2026

Healthy rats exhibited abundant, evenly distributed Nissl bodies and orderly arranged cortical neurons.

preclinicalCognitive FunctiontaVNS

Transcutaneous vagus nerve stimulation enhances episodic memory across valences and memory stages

Mary et al. · Brain stimulation · 2026

taVNS significantly enhanced memory recall compared to sham stimulation (χ2 (1) = 22.1, p < 0.001), regardless of whether it was administered during encoding, consolidation, or retrieval (χ2 (2) = 0.98, p = 0.6).

clinical trialCognitive FunctiontaVNS

Exploring vagus nerve stimulation in postoperative delirium and dementia

Spicer et al. · Bioelectronic medicine · 2026

utilize percutaneous vagus nerve stimulation (pVNS) as a potential novel avenue for the attenuation of neuroinflammation and postoperative cognitive decline, which we have discussed in this commentary.

preclinicalAlzheimer's DiseaseiVNS

Vagus nerve-mediated neuroimmune modulation for rheumatoid arthritis: a pivotal randomized controlled trial

Tesser et al. · Nature medicine · 2026

ACR20 rates were higher with active simulation than with sham at 3 months (35.2% versus 24.2%, P = 0.0209), which further improved in open-label to 50.0% at 6 months and 52.8% at 12 months (all-completers).

RCTRheumatoid ArthritisiVNS
n = 242 subjects

Vagus nerve stimulation: a novel approach for refractory rheumatoid arthritis

Shabbir et al. · Clinical rheumatology · 2026

Study examining rheumatoid arthritis using iVNS.

clinical trialRheumatoid ArthritisiVNS

The role of transcutaneous auricular vagus nerve stimulation in chronic pain: from neurobiological mechanisms to clinical applications

Zhang et al. · Frontiers in pain research (Lausanne, Switzerland) · 2026

Transcutaneous auricular vagus nerve stimulation (taVNS), as an emerging non-invasive neuromodulation technique, has demonstrated broad application prospects in chronic pain management in recent years.

systematic reviewSafetytaVNS

Transcutaneous auricular vagus nerve stimulation for postoperative pain: a protocol for a systematic review and meta-analysis

Lu et al. · BMJ open · 2026

However, taVNS lacks a comprehensive evaluation and standardised protocols, so further research is needed to provide reliable evidence.

meta-analysisSafetytaVNS

Non-invasive auricular vagus nerve stimulation in fibromyalgia: Impacts on autonomic function, central sensitization and pain catastrophizing

Lommano et al. · Joint bone spine · 2026

Significant improvements were observed in total COMPASS-31 scores (P<0.05), particularly within the orthostatic (P<0.05), vasomotor (P<0.05), and pupillomotor (P<0.05) subdomains.

clinical trialFibromyalgiataVNS

Vagus nerve stimulation as a novel therapeutic approach for musculoskeletal diseases

Yadav et al. · The American journal of the medical sciences · 2026

Vagus nerve stimulation (VNS) has gained significant attention as a therapy for various medical conditions due to its ability to modulate chronic diseases, pain, and inflammation.

clinical trialFibromyalgiataVNS

Laterality-Dependent Biological Effects of Manual Acupuncture Stimulation of the Auricular Vagus Nerve in Women with Fibromyalgia: A Randomized, Sham-Controlled Trial

Neves et al. · Pain medicine (Malden, Mass.) · 2026

While no significant between-group differences were observed in pain intensity, left-sided stimulation (aVNS-L) was associated with a modest but significant reduction in global symptom severity.

RCTFibromyalgiatcVNS

Device and Procedure for Closed-Loop Endovascular Vagus Nerve Stimulation and Evoked Response Sensing

Kashyap et al. · Neurosurgery · 2026

We demonstrate accurate detection of nerve activation via endovascular evoked compound action potential along with an indication of the specific fibers being activated.

preclinicalMultiple SclerosistaVNS

Vagus Nerve Stimulation Attenuates Cognitive Impairment in Traumatic Brain Injury via the mtDNA/cGAS-STING/NLRP3 Inflammasome Axis

Ren et al. · Neurocritical care · 2026

We found that VNS treatment significantly improved cognitive impairment, increased mitochondrial membrane potential, reduced accumulation of cytosolic mitochondrial DNA, attenuated cyclic GMP-AMP synthase (cGAS)-STING pathway, suppressed nucleotide-binding domain, leucine-rich-containing family, ...

preclinicalTraumatic Brain InjuryiVNS

Targeting Brain Plasticity: Vagal Nerve Stimulation as a Therapy for Autism-Like Symptoms in a Valproic Acid Mouse Model

Calikusu et al. · Developmental neurobiology · 2026

Behavioral testing, including the three-chamber test, mirrored chamber test, open field test, and elevated plus maze, revealed that tVNS significantly improved sociability and social preference indices, reduced social anxiety, and decreased general anxiety-like behaviors in VPA-induced mice.

preclinicalAutismtaVNS

Gulf War Illness: Neurological Impacts, Pathophysiological Insights, and Therapeutic Prospects

Mantilla et al. · Molecular neurobiology · 2026

Evidence implicates neuroinflammation, oxidative stress, mitochondrial dysfunction, and epigenetic dysregulation as central mechanisms, with emerging data suggesting early tauopathy and sex-specific immune responses.

clinical trialChronic Fatigue SyndrometaVNS

Potential application of brain-gut axis-based treatments in Long COVID and ME/CFS: a case-based systematic review

Kim et al. · Journal of translational medicine · 2026

The patient exhibited a significant reduction in total fatigue, with early improvements in motivation and mental fatigue, and delayed improvement in physical fatigue following transient systemic symptom flares.

systematic reviewChronic Fatigue SyndrometaVNS
n = 790 subjects

Vagus nerve and cancer symptom science

Aktas et al. · BMJ supportive & palliative care · 2026

Patients with cancer are often polysymptomatic due to significant disease and treatment-related morbidity.

preclinicalCancer SupporttaVNS

ATP release and metabolism by human and guinea pig airways and P2X receptor-dependent effects on bronchopulmonary vagal afferent nerve subtypes

Canning et al. · British journal of pharmacology · 2026

It is also unclear whether P2X receptor blockade could compromise the essential defensive functions of cough regulated by the vagal Aδ-fibres terminating in the extrapulmonary airways.

clinical trialRespiratorytcVNS

Stress, inflammation, and resilience among patients with oral squamous cell carcinoma undergoing multimodal therapy: Current knowledge and future directions

Peng et al. · Tzu chi medical journal · 2026

Oral squamous cell carcinoma represents a significant public health challenge in Asia, where multimodal therapies, while extending survival, impose substantial biologic and psychosocial stress.

preclinicalStress & PerformancetaVNS

Transcutaneous auricular vagus nerve stimulation in insomnia: a systematic review and meta-analysis

De Oliveira et al. · Neuromodulation · 2025

Pooling data from six studies, taVNS significantly improved PSQI scores (MD = -3.60) and Insomnia Severity Index scores (MD = -5.24), with improvements across multiple sleep dimensions and minimal adverse effects.

meta-analysisSleeptaVNS
n = 336 subjects

Bilateral transcutaneous auricular vagus nerve stimulation for the treatment of insomnia in breast cancer

Do et al. · Scientific Reports · 2025

Nightly bilateral taVNS over two weeks significantly reduced insomnia severity, improved sleep quality, decreased cancer-related fatigue and depression, and increased HRV in breast cancer patients.

pilotSleeptaVNS
n = 20 subjects

Vagus nerve stimulation in autoimmune conditions: a systematic review

Lombo et al. · ACR Open Rheumatology · 2025

Across 12 clinical trials of VNS in autoimmune conditions, more than half found reductions in pro-inflammatory cytokines, with IL-6 most consistently reduced (6 of 7 studies).

systematic reviewInflammationiVNS

Vagus nerve stimulation therapy for treatment-resistant PTSD

Powers et al. · Brain Stimulation · 2025

All nine participants with treatment-resistant PTSD no longer met criteria for diagnosis after implanted VNS paired with prolonged exposure therapy, with benefits persisting at six-month follow-up.

clinical trialPTSDiVNS
n = 9 subjects

Vagus nerve stimulation in treatment-resistant depression: A one-year, randomized, sham-controlled trial

Conway et al. · Brain stimulation · 2025

Overall, 88.4 % of participants completed the trial.

RCTDepressiontaVNS

Transcutaneous Auricular Vagus Nerve Stimulation for Postpartum Contraction Pain During Elective Cesarean Delivery: A Randomized Clinical Trial

Xiong et al. · JAMA network open · 2025

A total of 156 women were recruited and randomized to the active taVNS group (78 patients; mean [SD] age, 31.5 [4.3] years) or the sham taVNS group (78 patients; mean [SD] age, 31.3 [4.5] years).

RCTDepressiontaVNS
n = 78 subjects

Multi-species probiotic supplement enhances vagal nerve function - results of a randomized controlled trial in patients with depression and healthy controls

Mörkl et al. · Gut microbes · 2025

Major depression (MD) significantly impacts individual well-being and society.

RCTDepressiontaVNS

Effects of vagus nerve stimulation on daily function and quality of life in markedly treatment-resistant major depression: Findings from a one-year, randomized, sham-controlled trial

Rush et al. · Brain stimulation · 2025

Active VNS was superior to sham in mean change in scores from baseline in the Mini-Q-LES-Q (P = 0.050) and WPAI item 6 (health condition's effect on regular activities [P = 0.050]) used as continuous variables, with a similar trend for Q-LES-Q (P = 0.061).

RCTDepressiontaVNS

Effect of transcutaneous vagus nerve stimulation with electrical stimulation on generalized anxiety disorder: Study protocol for an assessor-participant blinded, randomized sham-controlled trial

Lai et al. · Heliyon · 2025

Vagus nerve stimulation (VNS) has been used for treating mental disorders, but the involvement of surgery, perioperative risks, and potentially significant side effects have limited this treatment.

RCTDepressiontaVNS

Transcutaneous Auricular Vagus Nerve Stimulation Treatment for Erythematotelangiectatic Rosacea: A Randomized Clinical Trial

Li et al. · JAMA dermatology · 2025

Seventy-two participants (67 female individuals [93.1%]; median [IQR] age: 29.5 [24.0-36.0] years) with ETR were randomized into either the taVNS (36 [50.0%]) or SS groups (36 [50.0%]).

RCTDepressiontaVNS

Efficacy of auricular point-vagus nerve stimulation in adolescent insomnia patients and the brain function regulation mechanisms: a study protocol for an experimental, randomized, controlled clinical trial

He et al. · Frontiers in neurology · 2025

Adolescent insomnia is a prevalent issue with significant implications for mental and physical well-being.

RCTDepressiontaVNS

Investigating the Microbiota-Gut-Brain Axis Mechanisms of Transcutaneous Auricular Vagus Nerve Stimulation in Patients with Obesity: A Study Protocol for a Randomized Controlled Trial

Chen et al. · Diabetes, metabolic syndrome and obesity : targets and therapy · 2025

This study aims to evaluate the short-term efficacy of taVNS in reducing body weight in patients with obesity and to explore its underlying mechanisms by assessing changes in neural activity and gut microbial composition.

RCTDepressiontaVNS

Effects of Transcutaneous Auricular Vagus Nerve Stimulation in Individuals with Primary Dysmenorrhea: A Randomized Controlled Trial

Yıldız Kızkın et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

The difference between the groups was significant, favoring the taVNS group in the NRS, PPT, MSQ, FEMD, HAM-A, and 6MWT (for all, p < 0.05).

RCTDepressiontaVNS

Baseline functional connectivity of the basal forebrain-cortical circuit predict taVNS treatment response in primary insomnia: a randomized controlled trial and fMRI study

Qi et al. · BMC medicine · 2025

Sixty-seven patients completed the study (33 real taVNS, 34 sham taVNS).

RCTDepressiontaVNS

Accelerated Transcutaneous Auricular Vagus Nerve Stimulation for Inpatient Depression and Anxiety: The iWAVE Open Label Pilot Trial

Austelle et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

Both taVNS dosing approaches were safe and feasible in this novel setting.

pilotDepressiontaVNS

Effect of transcutaneous vagus nerve stimulation in hemodialysis patients: A randomized controlled trial

Zhang et al. · Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy · 2025

A total of 63 patients were enrolled in the study, with 32 patients assigned to the tVNS group and 31 patients to the control group.

RCTDepressiontaVNS
n = 63 subjects

Transcutaneous Auricular Vagus Nerve Stimulation for Managing Pain: A Scoping Review

Chen et al. · Pain management nursing : official journal of the American Society of Pain Management Nurses · 2025

A total of 26 publications met eligibility for inclusion in this scoping review.

scoping reviewDepressiontaVNS

Transcutaneous Auricular Vagus Stimulation Attenuates LPS-Induced Depression-Like Behavior by Regulating Central α7nAChR/JAK2 Signaling

Wang et al. · Molecular neurobiology · 2025

We observed that LPS significantly decreased the sucrose preference, the time of into the open arms in the elevated plus maze, and the number of crossing and reaping in the open field test.

preclinicalDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation regulates gut microbiota mediated peripheral inflammation and metabolic disorders to suppress depressive-like behaviors in CUMS rats

Zhang et al. · Frontiers in microbiology · 2025

Behavioral tests showed that taVNS significantly reversed the depressive-like behavior induced by CUMS in rats.

preclinicalDepressiontaVNS

Vagus nerve stimulation and gut microbiota interactions: A novel therapeutic avenue for neuropsychiatric disorders

Faraji et al. · Neuroscience and biobehavioral reviews · 2025

The vagus nerve plays a significant role in the GBA, making it a key area of focus for potential novel therapeutic interventions.

preclinicalDepressioniVNS

Advances in Therapy for Refractory Epilepsy

Jehi · Annual review of medicine · 2025

DRE affects one-third of patients with epilepsy and is associated with significant morbidity and mortality.

preclinicalEpilepsyiVNS

Can transcutaneous auricular vagus nerve stimulation be considered a viable adjuntive therapy in drug-resistant epilepsy? A systematic review and meta-analysis of randomized controlled trials

Moro et al. · Epilepsy & behavior : E&B · 2025

Four RCTs, comprising 368 patients, with 232 patients in the tVNS group, were included.

meta-analysisEpilepsytaVNS
n = 368 subjects

Long-term outcome of vagus nerve stimulation therapy in drug-resistant epilepsy: a retrospective single-center study

Chen et al. · Frontiers in neurology · 2025

A total of 65 patients underwent VNS implantation.

retrospective analysisEpilepsyiVNS
n = 65 subjects

Long-Term Efficacy and Quality-of-Life Changes After Vagus Nerve Stimulation in Adult Patients With Drug-Resistant Epilepsy

Zwolińska et al. · Journal of clinical neurology (Seoul, Korea) · 2025

Improvements in seizure frequency, duration, and strength were observed in 65% of the patients with drug-resistant epilepsy treated using VNS.

long-term studyEpilepsyiVNS

Long-term outcomes of vagus nerve stimulation in children with drug resistant epilepsy are driven by early benefit

Mithani et al. · Brain stimulation · 2025

Study examining epilepsy using iVNS.

long-term studyEpilepsyiVNS

Long-term outcome and predictors of vagus nerve stimulation for drug-resistant epilepsy: Real-world evidence from the Korean national hospital consortium

Lee et al. · Epilepsy research · 2025

The seizure frequency exhibited a decreasing trend in 27.5 % and an increasing trend in 3.8 % during the first year following VNS implantation without a significant change in efficacy over the subsequent three years.

long-term studyEpilepsyiVNS

Long-Term Outcome of Vagus Nerve Stimulation for Drug-Resistant Epilepsy

Patil et al. · Annals of Indian Academy of Neurology · 2025

Mean age at the time of VNS implantation was 18.7 (6-38) years; nine (37.5%) of the patients were females.

long-term studyEpilepsyiVNS

Vagus nerve stimulation in Lennox-Gastaut syndrome: Twenty-four-month data and experience from the CORE-VNS study

Lyons et al. · Epilepsia · 2025

Sixty participants in the CORE-VNS study had a diagnosis of LGS and received an initial implant of VNS.

preclinicalEpilepsyiVNS

Cost-effectiveness analysis of vagus nerve stimulation in drug-resistant epilepsy

Xiong et al. · Acta epileptologica · 2025

This population faces significantly reduced quality of life, increased mortality risks, and substantial socioeconomic burdens due to frequent hospitalizations and limited employability.For these treatment-resistant cases, neurostimulation therapies have emerged as promising alternatives to conven...

preclinicalEpilepsyiVNS

Acute transcutaneous auricular vagus nerve stimulation modulates presynaptic SV2A density in healthy rat brain: An in vivo microPET study

Binda et al. · Psychophysiology · 2025

The changes in taVNS compared to baseline were significantly larger than those induced by sham stimulation.

preclinicalEpilepsytaVNS
n = 11 subjects

Effectiveness and safety of transcutaneous auricular vagus nerve stimulation for depression in patients with epilepsy

Xu et al. · Epilepsy & behavior : E&B · 2025

Sixty-nine participants were enrolled in this study.

preclinicalEpilepsytaVNS

Investigation of the Effectiveness of Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) and Vestibular Rehabilitation in Patients with Unilateral Vestibular Hypofunction

Türk Kalkan et al. · Medicina (Kaunas, Lithuania) · 2025

Results: At the end of eight weeks, patients in Group 2 showed significantly greater improvement in balance, dizziness, fatigue, kinesiophobia, anxiety, and depression.

clinical trialEpilepsytaVNS

Evaluating PEMF vagus nerve stimulation through neck application: A randomized placebo study with volunteers

Jerman et al. · Electromagnetic biology and medicine · 2025

Results demonstrated significant improvements in sleep quality and reduction in anxiety levels, especially notable at 16 hz.

RCTAnxietytcVNS

Efficacy and Safety of Electroacupuncture Through Nerve Stimulation in Patients With Anxiety Disorders: Protocol for a Randomized, Assessor-Blind, Three-Arm, Parallel-Group Clinical Trial

Jung et al. · JMIR research protocols · 2025

The first participant was enrolled on December 15, 2022.

RCTAnxietytaVNS
n = 60 subjects

Transcutaneous auricular vagus nerve stimulation for functional dyspepsia: A systematic review and meta-analysis

Lee et al. · Complementary therapies in medicine · 2025

Six RCTs with 716 participants were included.

meta-analysisAnxietytaVNS
n = 716 subjects

Transcutaneous auricular vagus nerve stimulation to treat narcolepsy type 1 (TARGET-NT1): A two-arm, randomised, sham-controlled trial

Pan et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025

Significant improvements in NSS-EDS (-2.61 [95%CI, -4.07, -1.15; P ​= ​0.0006]), NSS-SP (-1.11 [95%CI, -1.83, -0.38; P ​= ​0.0030]), NSS-HH (-2.71 [95%CI, -3.36, -2.05; P ​< ​0.0001]), NSS- DNS (-0.52 [95%CI, -0.87, -0.17; P ​= ​0.0036]), ESS (-3.03 [95%CI, -4.30, -1.75; P ​< ​0.0001]) and HAMD-1...

RCTAnxietytaVNS

Transcutaneous auricular vagus nerve stimulation alleviates anxiety-like behaviors in mice with post-traumatic stress disorder by regulating glutamatergic neurons in the anterior cingulate cortex

Diao et al. · Translational psychiatry · 2025

Our findings substantiate that taVNS significantly mitigates anxiety-like behaviors in PTSD-like male mice via activating specific glutamatergic neurons in the ACC.

preclinicalAnxietytaVNS

Optimizing transcutaneous vagus nerve stimulation parameters for sleep and autonomic function in veterans with posttraumatic stress disorder with or without mild traumatic brain injury

Bottari et al. · Sleep · 2025

The parameter combination of 20Hz, 100μs pulse width, and 80% discomfort threshold was associated with the most optimal outcomes across both intent-to-treat and per protocol analyses.

clinical trialAnxietytaVNS

Transcutaneous Auricular Vagus Nerve Stimulation for the Treatment of Myoarthropathic Symptoms Associated With Temporomandibular Disorders-A Pilot Randomised Controlled Trial

Prott et al. · Journal of oral rehabilitation · 2025

Recruitment and retention rates were high (100% and 90%, respectively), with 83% adherence to the intervention.

RCTAnxietytaVNS

Noninvasive Vagus Nerve Stimulation for Cluster Headache and Migraine: A Health Technology Assessment

· Ontario health technology assessment series · 2025

We included 8 randomized trials in the clinical evidence review (3 on cluster headache, 5 on migraine).

preclinicalMigraineiVNS

Evaluating brain mechanisms of combined vagus nerve stimulation and mindfulness training for migraine: A randomized 2 × 2 factorial clinical trial protocol

Schuman-Olivier et al. · Contemporary clinical trials · 2025

Funded by NIH (P01AT009965), registered (NCT03592329).

RCTMigrainetaVNS

Effectiveness of non-invasive vagus nerve stimulation vs heart rate variability biofeedback interventions for chronic pain conditions: A systematic review

Pellow et al. · Scandinavian journal of pain · 2025

Ten full-text articles of 1,474 identified were selected for full qualitative synthesis, with a combined population of 813 subjects.

systematic reviewMigraineiVNS
n = 813 subjects

The effects of transcutaneous auricular vagus nerve stimulation in epilepsy comorbid with migraine on the EEG power spectrum: a randomized controlled trial

Ma et al. · Frontiers in neurology · 2025

The frequencies of migraine attacks and seizures significantly decreased in the taVNS group from baseline to 24 weeks (migraine attack frequency, p = 0.002; seizure frequency, p = 0.004), and so did in Self-Rating Anxiety Scale (SAS) score (p < 0.001) and Self-Rating Depression Scale (SDS) score ...

RCTMigrainetaVNS

Non-Invasive Vagus Nerve Stimulation in Cluster Headache: A Clinical Practice Guideline

Goadsby et al. · Pain practice : the official journal of World Institute of Pain · 2025

Pharmacological therapy for CH includes triptans and high-flow oxygen for acute management, and verapamil, corticosteroids, or galcanezumab for prevention.

RCTCluster HeadacheiVNS

Update on Neuromodulation for Migraine and Other Primary Headache Disorders: Recent Advances and New Indications

Cocores et al. · Current pain and headache reports · 2025

Neuromodulation techniques currently available for headache management are reviewed in this article, with a focus on recent advances in non-invasive devices for migraine and trigeminal autonomic cephalalgias.

narrative reviewCluster HeadachetcVNS

The clinical effect of an implanted vagus nerve stimulator in a patient with chronic cluster headache and focal epilepsy - A case report

van Tilborg et al. · Headache · 2025

In this case, iVNS was followed by >75% decrease in CH attack frequency.

RCTCluster HeadacheiVNS

Optogenetic vagal nerve stimulation attenuates heart failure by limiting the generation of monocyte-derived inflammatory CCRL2

Li et al. · Immunity · 2025

These results suggest that the vagal neuroimmune axis modulates HF and is a promising target for treatment.

preclinicalInflammationiVNS

Transcutaneous auricular vagus nerve stimulation alleviates inflammation-induced depression by modulating peripheral-central inflammatory cytokines and the NF-κB pathway in rats

Song et al. · Frontiers in immunology · 2025

Behavioral tests demonstrated that LPS-induced rats exhibited significant depressive-like behaviors, including reduced sucrose preference, decreased activity levels in the open field, and restricted exploratory behavior in the elevated plus maze.

preclinicalInflammationtaVNS

Neuro-immune interactions: Exploring the anti-inflammatory role of the vagus nerve

Liu et al. · International immunopharmacology · 2025

As a key regulator of the nervous system, exploring the vagus nerve's role in immune regulation and its therapeutic potential offers significant insights for disease prevention and treatment.

clinical trialInflammationiVNS

Targeting the cholinergic anti-inflammatory pathway: an innovative strategy for treating diseases

Li et al. · Molecular biology reports · 2025

Additionally, we also summarized the CAP's profound implications in the management of inflammatory diseases, neurodegenerative disorders, metabolic syndromes, and oncological malignancies, elucidating its capacity to mitigate disease severity and progression through sophisticated immune modulation.

preclinicalInflammationiVNS

The efficacy of transcutaneous vagus nerve stimulation in heart failure management - a systematic review and meta-analysis

Sun et al. · BMC cardiovascular disorders · 2025

The analysis included ten RCTs involving a collective sample of 374 patients with HF.

meta-analysisHeart FailuretaVNS
n = 374 subjects

Acute right-sided transcutaneous vagus nerve stimulation improves cardio-vagal baroreflex gain in patients with chronic heart failure

Gentile et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2025

Compared with baseline, tVNS did not affect heart rate, blood pressure, and respiratory rate (p > 0.05), and no patients complained of discomfort or any adverse effect.

preclinicalHeart FailuretaVNS

Remote-controlled vagal nerve stimulation attenuates ventricular arrhythmias and prevents heart failure progression in a rat model of acute myocardial infarction

Hu et al. · Autonomic neuroscience : basic & clinical · 2025

Remote-controlled VNS significantly improved left ventricular ejection fraction and fractional shortening compared to the MI + control group (all P < 0.001).

preclinicalHeart FailureiVNS

Complications of Implanted Vagus Nerve Stimulation: A Systematic Review and Meta-Analysis

Kalagara et al. · Cerebrovascular diseases (Basel, Switzerland) · 2025

After title-and-abstract screening of 4,933 studies, 21 were selected for final inclusion.

meta-analysisHeart FailureiVNS
n = 474 subjects

Clinical outcome of electrical transcutaneous auricular vagal stimulation in patients with stable symptomatic chronic heart failure - A pilot study

Schukro et al. · Complementary therapies in medicine · 2025

A total of 12 patients completed the trial.

pilotHeart FailuretaVNS
n = 12 subjects

Efficacy of Transcutaneous Vagus Nerve Stimulation to Suppress Paroxysmal Atrial Fibrillation: A Systematic Review

Umaña Mejia et al. · Cureus · 2025

Paroxysmal atrial fibrillation (PAF) is a common cardiac arrhythmia marked by episodic, irregular heart rhythms, contributing significantly to both morbidity and mortality.

systematic reviewHeart HealthtaVNS
n = 121 subjects

Preoperative transcutaneous vagus nerve stimulation as a novel strategy to prevent postoperative atrial fibrillation in calcific aortic valve disease: mechanistic insights and translational perspectives

Bergeon et al. · Frontiers in cardiovascular medicine · 2025

Preoperative tVNS thus offers a promising strategy to prevent POAF while addressing valvular inflammation, bridging translational physiology with clinical cardiology and potentially opening new avenues for the management of CAVS.

preclinicalHeart HealthtaVNS

Low-level auricular vagus nerve stimulation lowers blood pressure and heart rate in paroxysmal atrial fibrillation patients: a self-controlled study

Jiang et al. · Frontiers in neuroscience · 2025

SBP, DBP, and HRmin were lower after the treatment than before the treatment (p < 0.05); AFSS symptom subscale scores and MSAS-HF scores after the treatment were lower before the treatment (p < 0.05); itching of the skin was observed in one case during the course of LL-aVNS; and two patients were...

preclinicalHeart HealthtaVNS

Vagus nerve stimulation for stroke rehabilitation: Neural substrates, neuromodulatory effects and therapeutic implications

Schambra et al. · The Journal of physiology · 2025

Here, we provide a survey on the foundational basis of VNS therapy for stroke and offer insight into the mechanisms that underlie potentiated recovery, focusing on the principles of neuromodulatory reinforcement.

preclinicalStroke RehabilitationiVNS

Mechanism and Applications of Vagus Nerve Stimulation

Chen et al. · Current issues in molecular biology · 2025

Additionally, there is a need to explore and identify optimal rehabilitation treatment parameters for different diseases.

preclinicalStroke RehabilitationiVNS

Long-Term Outcomes of Vagus Nerve Stimulation Paired With Upper Extremity Rehabilitation After Stroke

Kimberley et al. · Stroke · 2025

Seventy-four participants (69%; 51 male; age, mean±SD, 59.6±8.9) completed 1-year follow-up and provided pooled data through 1 year.

RCTStroke RehabilitationiVNS

Vagus nerve stimulation: innovative applications in the field of hand function rehabilitation

Chen et al. · Cognitive neurodynamics · 2025

Hand function disorders significantly impair patients' quality of life by limiting the ability to perform daily tasks.

preclinicalStroke RehabilitationiVNS

Vagus Nerve Stimulation in Stroke Management: Brief Review of Evolution and Present Applications Paired with Rehabilitation

Vannemreddy et al. · Brain sciences · 2025

Bailey and Bremer demonstrated that VNS has the capabilities to stimulate neuronal pathways that enhance the recovery of damaged cerebral function.

preclinicalStroke RehabilitationiVNS

Vagus nerve stimulation inhibits pyroptosis and improves outcome of cerebral ischemic stroke by upregulating osteopontin (SPP1) to disturb ASC oligomerization

Wen et al. · BMC medicine · 2025

In MCAO/R rats and AIS patients, osteopontin levels were elevated.

RCTStroke RehabilitationiVNS

Closed-loop vagus nerve stimulation aids recovery from spinal cord injury

Kilgard et al. · Nature · 2025

Decades of research have demonstrated that recovery from serious neurological injury will require synergistic therapeutic approaches.

preclinicalStroke RehabilitationiVNS

Adjuvant effects of vagus nerve stimulation on post-stroke rehabilitation: a systematic review and meta-analysis

Zhou et al. · BMJ open · 2025

Overall, 18 RCTs involving 954 participants were included in this study.

meta-analysisStroke RehabilitationiVNS
n = 954 subjects

Implantable Vagus Nerve Stimulator-Paired Neurorehabilitation for Upper Limb Function After Ischemic Stroke: Evidence From a Systematic Review and Meta-Analysis With Best Practice Recommendations

Khan et al. · Neurosurgery · 2025

The final analysis included 8 studies, with a cumulative sample size of n = 498 patients who underwent I-VNS-paired rehabilitation for upper extremity weakness in unilateral supratentorial stroke.

meta-analysisStroke RehabilitationiVNS
n = 498 subjects

Transcutaneous vagus nerve stimulation as a pain modulator in knee osteoarthritis: a randomized controlled clinical trial

Elsehrawy et al. · BMC musculoskeletal disorders · 2025

In the active group, compared to baseline, there was a significant improvement in VAS scores between the first and second follow-up visits (P < 0.001).

RCTPaintaVNS

Effects of transcranial direct current stimulation, associated with manual vagus nerve therapy, on pain in women with fibromyalgia: study protocol for a double-blind, randomized, controlled clinical trial

Torres et al. · Trials · 2025

This study will examine the immediate and late effects of tDCS associated with MT on the VN pathway in pain in women with FM.

RCTPaintcVNS

Transcutaneous auricular nerve stimulation modulates the functional connectivity of the descending pain modulation system and reward network in patients with chronic low back pain

Li et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025

Within-group comparisons showed a significant improvement in pain-related outcomes for both groups.

RCTPaintaVNS
n = 51 subjects

Effectiveness of Transcutaneous Auricular Vagal Nerve Stimulation on Alleviating Postoperative Pain Following Thoracoscopic Lobectomy: A Participant- and Assessor-blinded, Randomized Controlled Trial

Zhang et al. · The Clinical journal of pain · 2025

A total of 67 participants completed the study.

RCTPaintaVNS
n = 67 subjects

The effects of non-invasive transcutaneous auricular vagus nerve stimulation on resting-state delta oscillation: a randomized, double-blinded, sham-control trial

Camargo et al. · Scientific reports · 2025

Our findings demonstrated that active taVNS modulates low-frequency oscillations in the frontal areas of healthy subjects.

RCTPaintaVNS

Effect of transcutaneous auricular vagus nerve stimulation on postoperative pain in patients undergoing laparoscopic cholecystectomy: study protocol for a single-centre, prospective, randomised, double-blind, controlled study

Zhang et al. · BMJ open · 2025

Recent studies have demonstrated the clinical efficacy of transcutaneous auricular vagus nerve stimulation (taVNS) in both acute and chronic pain treatment.

RCTPaintaVNS

International Headache society evidence-based guidelines on the use of non-invasive neuromodulation devices for the acute and preventive treatment of migraine

Yuan et al. · Cephalalgia : an international journal of headache · 2025

These guidelines provide a framework for clinical decision-making while highlighting areas requiring further research.

systematic reviewPaintcVNS

Impact of transcutaneous auricular vagus nerve stimulation on postoperative pain in patients undergoing perianal surgery: a randomized trial

Yin et al. · Annals of medicine · 2025

The VAS scores of patients in the taVNS group were significantly lower than those in the sham stimulation group at 2, 6, 24, 48, and 72 h postoperatively, at the time of the first dressing change, and at the time of the first defecation (p < 0.05).

RCTPaintaVNS

Inflammatory bowel disease and neuropsychiatric disorders: Mechanisms and emerging therapeutics targeting the microbiota-gut-brain axis

Petracco et al. · Pharmacology & therapeutics · 2025

Accumulating evidence suggests that IBD is not only restricted to the gastrointestinal tract and that disease processes are able to reach distant organs including the brain.

preclinicalGut HealthiVNS

Role of physical exercise, vagal nerve stimulation, and vagotomy in inflammatory bowel disease

da Silva et al. · World journal of gastroenterology · 2025

Although the precise mechanisms remain to be fully elucidated, accumulating evidence suggests that skeletal muscle contractions promote the secretion of myokines, with recognized anti-inflammatory properties.

preclinicalGut HealthiVNS

Transcutaneous Auricular Vagus Nerve Stimulation: Efficacy, Applications, and Challenges in Mood Disorders and Autonomic Regulation-A Narrative Review

Croft et al. · Military medicine · 2025

taVNS, a new noninvasive neuromodulation method, stimulates the auricular branch of the vagus nerve and regulates the sympathetic and parasympathetic branches of the ANS, increasing norepinephrine secretion, vagus nerve stimulation adaptability, and heart rate variability.

narrative reviewGut HealthtaVNS

Assessing the therapeutic potential of vagus nerve stimulation in autoimmune diseases: A systematic review

Chan et al. · Physiological reports · 2025

Emerging evidence suggests that the vagus nerve can modulate the immune system in experimental settings.

systematic reviewGut HealthiVNS

Vagus Nerve Stimulation in Autoimmune Conditions: A Systematic Review

Lombo et al. · ACR open rheumatology · 2025

Twelve clinical trials studying the effect of VNS on rheumatoid arthritis, Crohn disease, polymyalgia rheumatica, psoriatic arthritis, ankylosing spondylitis, systemic lupus erythematous, and systemic sclerosis were reviewed.

systematic reviewGut HealthiVNS

Clinical applications and mechanisms of vagus nerve stimulation in the treatment of immune diseases: a review

Liu et al. · International journal of surgery (London, England) · 2025

This review highlights the therapeutic effects of VNS in improving the clinical symptoms of patients with immune diseases through neuroimmune interactions and underscores the need for further large-scale, randomized controlled clinical trials to validate its long-term efficacy and safety.

narrative reviewGut HealthiVNS

Transauricular vagal nerve stimulation suppresses inflammatory responses in the gut and brain in an inflammatory bowel disease model

Atalar et al. · Journal of anatomy · 2025

Administration of tVNS significantly ameliorated the severity of TNBS-induced tissue damage and inflammatory response.

preclinicalGut HealthtaVNS

Efficacy of vagus nerve stimulation in gastrointestinal disorders: a systematic review

Veldman et al. · Gastroenterology report · 2025

Dysfunction of the vagus nerve has been suggested as a contributing factor in various gastrointestinal disorders, prompting interest in vagus nerve stimulation (VNS) as a non-pharmacological therapy.

systematic reviewGut HealthtcVNS
n = 644 subjects

Enteric nervous system dysfunction as a driver of central nervous system disorders: The Forgotten brain in neurological disease

Hajjeh et al. · Neuroscience · 2025

This perspective paves the way for innovative diagnostics, personalized gut-targeted therapies, and a deeper understanding of the ENS's role in brain health and disease.

preclinicalGut HealthtaVNS

Transcutaneous Vagal Nerve Stimulation for Gastrointestinal Disorders

Yin · Journal of translational gastroenterology · 2025

Transcutaneous VNS is an innovative, effective, and safe therapy for patients with GI disorders; however, large-scale clinical trials are necessary to establish optimal treatment modalities and efficacy.

narrative reviewGut HealthtaVNS

Role of brain-gut axis in mechanism of gastrointestinal defense

Kwiecien et al. · Journal of physiology and pharmacology : an official journal of the Polish Physiological Society · 2025

We conclude that brain-gut axis plays a particularly important role in maintaining of mucosal barrier in GI-tract and alteration in its functions is implicated in pathogenesis of various diseases of the gut.

RCTGut HealthtaVNS

Vagus Nerve and Gut-Brain Communication

Wang et al. · The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry · 2025

In recent years, significant progress has been made in understanding the vagus-mediated regulatory pathway, highlighting its profound implications in the development of many diseases.

clinical trialGut HealthtaVNS

The vagus nerve: An old but new player in brain-body communication

Ma et al. · Brain, behavior, and immunity · 2025

Increasing evidence suggests that the gut-brain axis, via the vagus nerve, may play a role in the development and progression of psychiatric, neurologic, and inflammation-related disorders.

clinical trialGut HealthtaVNS

Auricular Vagus Nerve Stimulation for Gastrointestinal Disorders: Hope or Hype?

Keszthelyi · United European gastroenterology journal · 2025

Study examining gut health using taVNS.

clinical trialGut HealthtaVNS

Transcutaneous auricular vagus nerve stimulation as an innovative approach for managing perioperative gastrointestinal dysfunction: a narrative review

Zhang et al. · Frontiers in medicine · 2025

Postoperative gastrointestinal dysfunction (POGD) is a prevalent and clinically significant complication following surgical procedures.

narrative reviewGut HealthtaVNS

Transcutaneous vagus nerve stimulation does not affect gastrointestinal function in subjects with diabetic autonomic neuropathy

Kahlke et al. · Scandinavian journal of gastroenterology · 2025

Transcutaneous vagus nerve stimulation did not affect MRI-assessed gastrointestinal function in subjects with diabetic autonomic neuropathy.

clinical trialGut HealthtaVNS

Transauricular vagus nerve stimulation in preventing post-traumatic stress disorder in emergency trauma surgery patients in China: a study protocol for a multicenter, double-blind, randomised, controlled trial

Zhang et al. · BMJ open · 2025

This study aims to evaluate the efficacy and safety of ta-VNS in preventing PTSD in emergency trauma surgery patients.

RCTPTSDtaVNS

Demyelination in psychiatric and neurological disorders: Mechanisms, clinical impact, and novel therapeutic strategies

Murayama et al. · Neuroscience and biobehavioral reviews · 2025

Disruption of myelin impairs crucial neural communication pathways, resulting in cognitive, motor, and behavioral deficits that substantially reduce quality of life and create significant economic and social challenges.

preclinicalPTSDtaVNS

Transcutaneous Auricular Vagus Nerve Stimulation for Treating Emotional Dysregulation and Inflammation in Common Neuropsychiatric Disorders

Tyler · Brain sciences · 2025

Development of new therapeutic approaches and strategies for common neuropsychiatric disorders, including Major Depressive Disorder, anxiety disorders, and Post-Traumatic Stress Disorder, represent a significant global health challenge.

preclinicalPTSDtaVNS

Transcutaneous auricular vagus nerve stimulation (taVNS) improves sleep quality in chronic insomnia disorder: A double-blind, randomized, sham-controlled trial

Yeom et al. · Sleep medicine · 2025

In the modified intention-to-treat analysis at 6 weeks, the taVNS group exhibited significantly greater reductions in PSQI scores compared to the sham group (mean change: 4.5 ± 3.55 vs.

RCTSleeptaVNS

Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) for Insomnia Disorder: A Narrative Review of Effectiveness, Mechanisms and Recommendations for Clinical Practice

Liu et al. · Nature and science of sleep · 2025

Although existing findings support taVNS as a promising strategy for treating insomnia, more high-quality trials are needed to verify its benefits and elucidate its mechanisms of action.

narrative reviewSleeptaVNS

Neuroregulatory and clinical efficacy of auricular vagus nerve stimulation in elderly patients with chronic insomnia comorbid with functional dyspepsia: protocol for a randomized controlled trial

Zhou et al. · Frontiers in medicine · 2025

Through systematic investigation of the molecular mechanisms underlying vagus nerve pathway regulation in ameliorating intestinal inflammatory microenvironment and modulating central neurotransmitter homeostasis, this research aims to provide a novel, neuromodulation-based precision therapeutic a...

RCTSleeptaVNS

Bilateral transcutaneous auricular vagus nerve stimulation for the treatment of insomnia in breast cancer

Do et al. · Scientific reports · 2025

Our results demonstrate that noninvasive vagus nerve stimulation can significantly reduce insomnia severity, improve sleep quality, decrease sleep onset latency, and enhance sleep efficiency.

pilotSleeptaVNS

The Latest Advances in Non-Invasive Neurostimulation for Insomnia: A Review

Liu et al. · Nature and science of sleep · 2025

Therefore, we reviewed the latest research on non-invasive neurostimulation techniques for insomnia in recent years, mainly focusing on virtual reality, biofeedback, transcranial magnetic stimulation, transcranial electrical stimulation, transcutaneous auricular vagus nerve stimulation and other ...

narrative reviewSleeptcVNS

Synergistic acupuncture and neuromodulation for chronic insomnia: a structured narrative review with systematic search and future directions

Meng et al. · Frontiers in neurology · 2025

Insomnia represents a significant global public health issue, affecting approximately 10% of adults with chronic symptoms and up to 20% with intermittent episodes.

narrative reviewSleeptaVNS

Role of transcutaneous electrical nerve stimulation in alleviation of tinnitus in normal hearing subjects

Aly et al. · European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025

There is a statistically significant difference in tinnitus loudness before and after TEN stimulation as assessed by VAS.

clinical trialTinnitustaVNS

Feasibility and acceptance of transdermal auricular vagus nerve stimulation using a TENS device in females suffering from long COVID fatigue

Pfoser-Poschacher et al. · Wiener klinische Wochenschrift · 2025

The study revealed that all VNS treatment groups experienced reduction in symptoms associated with long COVID, particularly in fatigue and dyspnea, after 12 weeks.

clinical trialLong COVIDtaVNS

Transcutaneous auricular vagus nerve stimulation inhibits food intake and body weight gain through the orexin dependent pathway in high fat diet mice

Zhang et al. · Scientific reports · 2025

Obesity represents a significant global health challenge, adversely affecting both physical and mental well-being.

preclinicalObesitytaVNS
n = 10 subjects

Transcutaneous auricular vagus nerve stimulation promotes adipose tissue browning and mitochondrial integrity by regulating BCAA metabolism in obese rats: an experimental study

Xin et al. · International journal of surgery (London, England) · 2025

In this study, 6 weeks of taVNS significantly reduced body weight gain, body mass index, and the accumulation of inguinal and epididymal white adipose tissue in high-fat diet-induced obese rats, with effects comparable to those of orlistat.

preclinicalObesitytaVNS

Non-invasive Regulation of Body Weight and Metabolism by Chronic Low-Intensity Focused Ultrasound Stimulation of Vagus Nerve

Ji et al. · Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference · 2025

The results showed that the FUS-group rats had significantly lower body weight gain and fat mass during their growth stage in comparison to the Sham and Control groups.

preclinicalObesityiVNS

Effect of vagus nerve stimulation on metabolism: a systematic review and meta-analysis

Shen et al. · International journal of obesity (2005) · 2025

Of the 529 papers identified, 15 studies were eligible for this meta-analysis, including 12 animal trials and 4 human randomized controlled trials (RCTs).

meta-analysisObesitytaVNS

Recent advances in targeting obesity, with a focus on TGF-β signaling and vagus nerve innervation

John et al. · Bioelectronic medicine · 2025

This review explores clinical trials in obesity, novel therapeutic targets, and the role of TGF-β signaling and vagus nerve modulation in obesity-related liver diseases and HCC.

preclinicalObesitytaVNS

Possible Glycemic Effects of Vagus Nerve Stimulation Evaluated by Continuous Glucose Monitoring in People with Diabetes and Autonomic Neuropathy: A Randomized, Sham-Controlled Trial

Kufaishi et al. · Diabetes technology & therapeutics · 2025

For the 8-week treatment period, changes in CV and TIR between groups were also nonsignificant.

RCTMetabolictaVNS
n = 145 subjects

Vagal sensory neuron-derived FGF3 controls insulin secretion

Tahiri et al. · Developmental cell · 2025

Systemic and vagal sensory overexpression of Fgf3 enhanced glucose-stimulated insulin secretion (GSIS), improved glucose excursion, and increased energy expenditure and physical activity.

preclinicalMetabolictaVNS

Future horizons in diabetes: integrating AI and personalized care

Zhang et al. · Frontiers in endocrinology · 2025

Future horizons in diabetes care must focus on overcoming challenges in data privacy, algorithmic bias, device interoperability, and equity in AI-driven care while integrating these innovations into healthcare systems to improve patient outcomes and quality of life.

preclinicalMetabolictaVNS

Intraneural Device for Electrostimulation of Vagus Nerve in Rats: A Feasibility Study for Modulating Glucose Tolerance

Fratini et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

EMPATIC treatment in the VNS group significantly affected glucose tolerance tests compared with control and sham groups.

preclinicalMetabolictaVNS

Dopaminergic Pathways in Neuroplasticity After Stroke and Vagus Nerve Stimulation

Song et al. · Stroke · 2025

Stroke remains a significant cause of disability worldwide.

preclinicalNeuroplasticityiVNS

Enhancing Neuroplasticity via vagus nerve stimulation to improve urinary dysfunction after spinal cord injury: a perspective

Sargusingh et al. · Bioelectronic medicine · 2025

Our perspective is that a congruent strategy of pairing VNS with bladder function after incomplete SCI can promote neuroplastic changes in spared neural pathways to strengthen neural control of bladder function.

preclinicalNeuroplasticityiVNS

Transcutaneous auricular vagus nerve stimulation enhanced working memory in older adults with age-related hearing loss

Shin et al. · Scientific reports · 2025

The HI group performed significantly worse than the TH group on the 2-back tasks.

clinical trialCognitive FunctiontaVNS

Intermittent transcutaneous auricular vagus nerve stimulation reverses acute stress-induced memory deficits via O-GlcNAc modulation

Wang et al. · Experimental neurology · 2025

The results indicate that intermittent taVNS, compared to continuous taVNS, significantly improved memory function in acutely stressed mice, with the 5 Hz stimulation showing the most significant effect and effectively reducing O-GlcNAc levels in the hippocampus.

preclinicalCognitive FunctiontaVNS

Effects of off-line auricular transcutaneous vagus nerve stimulation (taVNS) on a short-term memory task: a pilot study

Fisicaro et al. · Frontiers in aging neuroscience · 2025

Subjects were randomized to receive either real or sham taVNS during a digit span task while recording the pupil size, and then switched over to the other treatment group.

pilotCognitive FunctiontaVNS
n = 18 subjects

Noninvasive Vagus Nerve Stimulation in Parkinson's Disease: A Systematic Review

Eissazade et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

A total of 12 journal articles with data from 287 participants were included.

systematic reviewParkinson's DiseaseiVNS
n = 287 subjects

The role of vagus nerve stimulation in modulating Parkinson's disease via the microbiota-gut-brain axis: a comprehensive review

Yang et al. · Frontiers in neurology · 2025

This study is the first to integrate the MGBA theory with VNS technology, revealing its cross-system regulatory network in intervening PD and providing new ideas for breaking through the limitations of traditional treatments.

preclinicalParkinson's DiseasetaVNS

Transcutaneous auricular vagus nerve stimulation in healthy individuals, stroke, and Parkinson's disease: a narrative review of safety, parameters, and efficacy

Matsuoka et al. · Frontiers in physiology · 2025

Although systematic reviews and meta-analyses have been conducted on safety and efficacy, the variability of stimulation parameters and the lack of consistency in their effects remain significant issues.

systematic reviewParkinson's DiseasetaVNS

Vagus Nerve Stimulation in Movement Disorders, from Principles to a Systematic Review of Evidence

Proietti et al. · Movement disorders : official journal of the Movement Disorder Society · 2025

Thirty-two studies met the inclusion criteria: 22 on PD or parkinsonism (14 clinical and 8 preclinical on PD, 1 clinical on multisystem atrophy), 6 on tremor and ET (4 clinical, 2 preclinical), 2 clinical studies on CD, and 1 clinical study on TS.

systematic reviewParkinson's DiseasetaVNS

Locus coeruleus fMRI response to transcutaneous auricular vagus nerve stimulation is coupled to changes in salivary alpha amylase

Schneider et al. · Brain stimulation · 2025

Study examining alzheimer's disease using taVNS.

clinical trialAlzheimer's DiseasetaVNS

Assessing a Stimulator Modification for Simultaneous Noninvasive Auricular Vagus Nerve Stimulation and MRI

Teckentrup et al. · Journal of neuroimaging : official journal of the American Society of Neuroimaging · 2025

The modified compared to the unmodified cable considerably reduced RF heating as the relative temperature increase stayed well below the 2 K threshold specified by the ASTM F2182 standard.

preclinicalAlzheimer's DiseasetaVNS

A vagal route to memory: evidence from invasive and non-invasive electrical vagus nerve stimulation studies and areas for future clinical application

Szeska et al. · Frontiers in human neuroscience · 2025

The ability to remember emotionally significant stimuli and stimulus associations is critical to survival, as it ensures that rewarding and threatening events can be recalled to guide future behavior.

clinical trialAlzheimer's DiseasetcVNS

A randomized, double-blind, sham-controlled, clinical trial of auricular vagus nerve stimulation for the treatment of active rheumatoid arthritis: comment on the article by Baker et al

Aranow et al. · Arthritis & rheumatology (Hoboken, N.J.) · 2025

Study examining rheumatoid arthritis using iVNS.

RCTRheumatoid ArthritisiVNS

Optimizing vagus nerve stimulation for Super Refractory Status Epilepticus: A case series and systematic review

Pichardo-Rojas et al. · Epileptic disorders : international epilepsy journal with videotape · 2025

Further studies are needed to define the role of VNS in SRSE.

systematic reviewSafetyiVNS
n = 33 subjects

Efficacy of transcutaneous vagus nerve stimulation (t-VNS) in treating drug-resistant epilepsy: A systematic review and meta-analysis

Makkawi et al. · Epilepsy research · 2025

Out of 2782 studies identified, four RCTs involving 417 subjects were included.

meta-analysisSafetytaVNS
n = 417 subjects

Non-invasive neurostimulation for drug-resistant epilepsy: systematic review and meta-analysis of effectiveness, safety, and optimal stimulation parameters

Premaratne et al. · Journal of neurology · 2025

These findings, while encouraging, should be interpreted in the context of methodological heterogeneity between studies and overall low certainty of evidence.

meta-analysisSafetytcVNS

Evaluating the efficacy and safety of transcutaneous vagus nerve stimulation for systemic lupus erythematosus: a protocol for a systematic review and meta-analysis

Sun et al. · BMJ open · 2025

Consequently, the aim of this systematic review and meta-analysis protocol is to synthesise the available evidence to elucidate the efficacy and safety of tVNS for the treatment of SLE.

meta-analysisSafetytaVNS

Systematic review for VNS vs. pharmaceutical modulations for multifaceted neurological disorder management through cross-case, network meta-analysis

Han et al. · Brain stimulation · 2025

We included 56 VNS-related studies (n = 5773 participants) and 29 pharmacological drug-based studies (n = 14827 participants) from spanning epilepsy, depression, migraine/headache, Alzheimer's disease, inflammatory disorders, and heart failure.

meta-analysisSafetytaVNS
n = 5,773 subjects

The impact of transcutaneous vagus nerve stimulation on anterior cingulate cortex activity in a cognitive control task

Sönmez et al. · Psychophysiology · 2025

tVNS significantly changed performance in the simple control task reflected in a greater propensity to respond.

clinical trialNeuroimagingtaVNS

'Transauricular vagus nerve stimulation' for prevention of postoperative delirium in elderly patients undergoing major surgery: a study protocol for a multicentre, participant-blinded and assessor-blinded, randomised, controlled trial

Zhang et al. · BMJ open · 2025

Research has shown that neuroinflammation, postoperative pain and autonomic nervous system dysfunction play significant roles in its onset.

RCTPostoperative RecoverytcVNS

Transauricular Vagus Nerve Stimulation for Postoperative Analgesia following Arthroscopic Shoulder Surgery: A Double-Blind, Randomized, Placebo-Controlled Trial

Xia et al. · Pain and therapy · 2025

Postoperative sufentanil consumption at 24 and 48 h, resting Numeric Rating Scale (NRS) scores at 4, 6, 12, 24, and 48 h, and the requirement for rescue analgesia were all significantly lower in the taVNS group compared with the sham stimulation group (all P < 0.05).

RCTPostoperative RecoverytaVNS

Transcutaneous auricular vagus nerve stimulation accelerates postoperative ileus recovery by enhancing gastric motility complexity: A clinical study

Huang et al. · Brain stimulation · 2025

Study examining postoperative recovery using taVNS.

preclinicalPostoperative RecoverytaVNS

Transcutaneous Auricular Vagus Nerve Stimulation for Prevention of Postoperative Delirium in Older Adults Undergoing Total Knee Arthroplasty: A Multicenter Randomized Controlled Trial Protocol

Liao et al. · Clinical interventions in aging · 2025

If effective, taVNS could provide a practical, non-invasive method to reduce delirium incidence in elderly patients undergoing knee replacement, potentially improving postoperative outcomes and reducing healthcare costs.

RCTPostoperative RecoverytaVNS

Effects of transcutaneous auricular vagus nerve stimulation on postoperative delirium in older patients with hip fracture: protocol for a randomised controlled trial

Zhou et al. · BMJ open · 2025

This clinical study will evaluate the effectiveness of TAVNS in reducing the incidence of POD in older patients and further elucidate the possible underlying mechanisms.

RCTPostoperative RecoverytaVNS

Transcutaneous auricular vagus nerve stimulation prevents postoperative delirium in elderly patients (VNSTAR): protocol for a multicentre, randomised controlled trial

Wu et al. · BMJ open · 2025

Vagus nerve stimulation, a novel technique in the field of neuroscience, has demonstrated remarkable therapeutic potential in improving neurocognitive disorders.

RCTPostoperative RecoverytaVNS

Effect of transcutaneous auricular vagus nerve stimulation on postoperative liver function in patients undergoing partial hepatectomy: a study protocol for a prospective, double-blind, randomized controlled trial

Wang et al. · Frontiers in medicine · 2025

However, several intraoperative factors, including surgical manipulation, substantial blood loss, the need for blood transfusions, and hypoxic stress, can significantly impair liver function.

RCTPostoperative RecoverytaVNS

Effect of perioperative autonomic nervous system imbalance on surgical outcomes: a systematic review

Pan et al. · British journal of anaesthesia · 2025

Maintaining balance of the sympathetic and parasympathetic nervous systems is an important prospect in perioperative medicine that could benefit surgical patients' short- or long-term recovery.

systematic reviewPostoperative RecoverytcVNS

New intervention strategy for postoperative fatigue syndrome in elderly patients with colorectal cancer: a clinical hypothesis study based on vagus nerve stimulation

Yin et al. · Frontiers in medicine · 2025

While the etiology of POFS remains complex, recent evidence suggests that external stimuli may induce pro-inflammatory cytokine release, leading to fatigue.

preclinicalPostoperative RecoverytcVNS

Clinical efficacy and mechanisms of transcutaneous auricular vagus nerve stimulation targeting the gut-brain axis for postoperative complications of aortic dissection: study protocol for a randomized controlled trial

Ning et al. · Frontiers in medicine · 2025

This study aims to evaluate the efficacy and safety of taVNS in regulating the GBA among postoperative AD patients through a randomized controlled trial.

RCTPostoperative RecoverytaVNS

Effect of transcutaneous auricular vagus nerve stimulation on perioperative psychological symptoms in patients undergoing elective thoracoscopic pneumonectomy under general anaesthesia: study protocol for a single-centre, prospective, randomised, double-blind, controlled study

Sun et al. · BMJ open · 2025

This study aims to evaluate the efficacy of taVNS in managing perioperative psychological symptoms in patients undergoing elective thoracoscopic pneumonectomy under general anaesthesia.

RCTPostoperative RecoverytaVNS

Effect of transcutaneous auricular vagus nerve stimulation on perioperative anxiety in patients undergoing radical mastectomy: study protocol for a randomized controlled clinical trial

Tang et al. · Frontiers in neurology · 2025

Breast cancer patients often experience significant concerns regarding surgery, which predisposes them to negative emotions such as anxiety, adversely affecting both surgical outcomes and postoperative recovery.

RCTPostoperative RecoverytaVNS

The landscape of epilepsy surgery in older adults: Challenges and opportunities

Punia · Epilepsia open · 2025

Each case deserves careful, personalized evaluation.

RCTPostoperative RecoverytcVNS

Potential of Vagus Nerve Stimulation to Modulate Fibromyalgia's Network Physiology: A Systematic Review

Perin et al. · Journal of functional morphology and kinesiology · 2025

Conclusions: By reframing FMS from a symptom-centric pharmacologic model to a network-centric neuromodulation approach, taVNS is a promising tool for mechanism-based therapeutics in central sensitization syndromes and chronic pain.

systematic reviewFibromyalgiataVNS

Vagal nerve stimulation and fibromyalgia: an additional therapeutic option

Dolcini et al. · Clinical and experimental rheumatology · 2025

After two weeks of treatment, an early reduction in the WPI score (p=0.03) was detected, then confirmed at week 4 (p=0.004).

clinical trialFibromyalgiataVNS

Effects of left and bilateral transcutaneous auricular vagus nerve stimulation on pain, mood, and autonomic nervous system in female patients with fibromyalgia: a randomized controlled trial

Akkurt et al. · Physiotherapy theory and practice · 2025

No significant differences were observed between groups except for FIQ and BAI on day 28 (p = .002-0.008).

RCTFibromyalgiataVNS

Noise as Medicine: The Role of Microbial and Electrical Noise in Restoring Neuroimmune Tolerance Through Stochastic Resonance

Piña Mojica et al. · NeuroSci · 2025

The rising prevalence of neuroimmune disorders such as multiple sclerosis and fibromyalgia has renewed interest in the hygiene hypothesis, which posits that reduced early-life microbial exposure deprives the immune system of formative "noise" that calibrates thresholds of tolerance.

preclinicalFibromyalgiataVNS

Effect of non-invasive transcutaneous auricular vagus nerve stimulation (taVNS) on non-motor symptoms in multiple sclerosis: study protocol for a randomised, controlled trial

Herr et al. · BMJ open · 2025

Transcutaneous auricular vagus nerve stimulation (taVNS) has been found to be a cognitive enhancer in preclinical research and was successfully used for the treatment of psychiatric and neurological disorders to combat dysfunctional cognitive and affective processes.

RCTMultiple SclerosistaVNS

Artificial Intelligence-Driven Neuromodulation in Neurodegenerative Disease: Precision in Chaos, Learning in Loss

Calderone et al. · Biomedicines · 2025

Advancing this paradigm will require rigorous external validation, standardized reporting of control policies and artifacts, clinician-in-the-loop governance, and privacy-preserving analytics.

preclinicalMultiple SclerosistaVNS

Transcutaneous auricular vagus nerve stimulation attenuates neuroinflammation in a mouse model of traumatic brain injury

El Baassiri et al. · The journal of trauma and acute care surgery · 2025

Transcutaneous auricular vagus nerve stimulation (VNS) activated the solitary tract nucleus and the dorsal motor nucleus of the vagus nerve as evidenced by a significant upregulation of the neuronal activation marker c-Fos, indicating vagus nerve activation.

preclinicalTraumatic Brain InjurytaVNS

Vagus nerve stimulation: a promising strategy to combat pyroptosis and inflammation in traumatic brain injury through the OX-A/NLRP3/caspase-1/GSDMD signaling pathway

Kang et al. · European journal of medical research · 2025

The findings revealed that VNS significantly enhanced neurological function, as indicated by lower mNSS scores and improved performance in the MWM test, suggesting a marked recovery in TBI-affected rats.

preclinicalTraumatic Brain InjuryiVNS

Vagus nerve stimulation rescues impaired fear extinction and social interaction in a rat model of autism spectrum disorder

Alvarez-Dieppa et al. · Journal of affective disorders · 2025

Time spent freezing was not significantly reduced during retention testing 24 h after extinction training in VPA-exposed rats given sham stimulation (p = .26), but freezing levels were significantly lower during the retention test in saline control and in VPA-VNS rats (p < .05), indicating that V...

preclinicalAutismtaVNS

Speech paired vagus nerve stimulation restores neural sound processing in a rat model of autism

Williams et al. · Frontiers in neuroscience · 2025

We found that VPA-exposed rats had degraded spectral, temporal, and speech sound processing compared to saline-exposed control rats.

preclinicalAutismtaVNS

Efficacy and safety of transcutaneous auricular vagus nerve stimulation for patients with treatment-resistant schizophrenia with predominantly negative symptoms: a randomized clinical trial and efficacy sensitivity biomarkers

Cui et al. · Molecular psychiatry · 2025

In the intention-to-treat analysis, patients receiving active taVNS showed a significantly greater improvement in negative symptoms compared with those receiving the sham procedure (PANSS-FSNS difference, -1.36; effect size, -0.62; 95% CI, -1.20 to -0.04; p = 0.033), with effects sustained at fol...

RCTSchizophreniataVNS
n = 50 subjects

Prenatal electroacupuncture modulates maternal-fetal immune activation via a brain-to-splenic signal

Zhang et al. · Cell reports · 2025

These findings position the brain-spleen axis as a promising therapeutic target and support prenatal ES as a viable non-pharmacological strategy for preventing MIA-related complications.

clinical trialSchizophreniaiVNS

Treatment trials for negative symptoms in schizophrenia

Glenthøj et al. · Current opinion in psychiatry · 2025

Recent guidelines and meta-analyses suggest that some pharmacological and psychosocial interventions show modest efficacy.

RCTSchizophreniaiVNS

Transauricular Vagus Nerve Stimulation and Electroencephalographic Assessment in Disorders of Consciousness

López-Rodríguez et al. · Journal of visualized experiments : JoVE · 2025

In terms of clinical outcomes, the current study protocol demonstrated promising results with taVNS in patients with Disorders of Consciousness, showing significant improvement in alertness recovery and response to stimuli.

preclinicalDisorders of ConsciousnesstaVNS

Electroencephalographic characteristics of transcutaneous auricular vagus nerve stimulation for prolonged disorders of consciousness: a study protocol

Jiao et al. · Frontiers in neuroscience · 2025

Therefore, screening out the indications for patients with pDOC who are suitable for taVNS treatment is a key scientific issue that requires urgent resolution at present.

clinical trialDisorders of ConsciousnesstaVNS

Non-pharmacologic interventions in disorders of consciousness

Vitello et al. · Handbook of clinical neurology · 2025

Severely brain-injured patients with disorders of consciousness pose significant challenges in terms of management, particularly due to the limited therapeutic options available.

preclinicalDisorders of ConsciousnessiVNS

Noninvasive neuromodulation for disorders of consciousness: an updated systematic review and meta-analysis

Gao et al. · Critical care (London, England) · 2025

We included 24 studies and six studies (147 participants) provided data for meta-analysis.

meta-analysisDisorders of ConsciousnesstcVNS
n = 147 subjects

Medical and surgical treatments in disorders of consciousness

Othman et al. · Handbook of clinical neurology · 2025

Ever since a 2012 landmark study showed positive effects of amantadine in people with disorders of consciousness (DOC), there has been a shift in research efforts from merely improving diagnostics and prognostication of DOC to also include therapeutic trials, in the quest to improve consciousness...

clinical trialDisorders of ConsciousnessiVNS

Noninvasive Vagus Nerve Electrical Stimulation for Immune Modulation in Sepsis Therapy

Mac et al. · Journal of the American Chemical Society · 2025

Sepsis presents a significant medical challenge due to its intense inflammatory response to infection, often resulting in high mortality rates.

preclinicalSepsisiVNS

Inhibition of acute lung inflammation by a neuroimmune circuit induced by vagal nerve stimulation

Murray et al. · Science advances · 2025

These findings demonstrate a previously unidentified neuroimmune circuit elicited by VNS that can control acute lung inflammation.

preclinicalSepsisiVNS

Effects of transcutaneous auricular vagus nerve stimulation on sepsis-induced coagulopathy: protocol for a randomised controlled trial

Yang et al. · BMJ open · 2025

This study aims to evaluate the efficacy and safety of taVNS in improving coagulation dysfunction in patients with SIC, with the primary outcome being the proportion of patients achieving a ≥2-point improvement in SIC score by day 7.

RCTSepsistaVNS

Inhibition of acute lung inflammation by a neuroimmune circuit induced by vagal nerve stimulation

Murray et al. · bioRxiv : the preprint server for biology · 2025

While stimulation of vagal efferent neurons has been previously demonstrated to reduce maladaptive host responses during endotoxemia, only selective stimulation of vagal afferent neurons was able to inhibit TLR7-induced macrophage activation and neutrophil recruitment in the lung.

preclinicalSepsisiVNS

Dysregulated neural coding in the vagus nerve during long sepsis

Strohl et al. · Brain, behavior, & immunity - health · 2025

We found that LS mice exhibited significantly higher baseline vagal activity compared to controls, with elevated firing rates during both respiratory bursts and inter-burst intervals.

preclinicalSepsisiVNS

Neuroimmune Control of Inflammation in Acute Kidney Injury and Multiorgan Dysfunction

Goggins et al. · Journal of the American Society of Nephrology : JASN · 2025

Understanding and targeting these neural circuits may offer novel therapeutic strategies for AKI and related conditions.

narrative reviewKidney DiseaseiVNS

The role of neuromodulation in heart failure with preserved ejection fraction

Algheffari et al. · Current problems in cardiology · 2025

Neuromodulation therapies show potential in improving symptoms and QoL for HFpEF patients.

narrative reviewKidney DiseaseiVNS

The autonomic nervous system and inflammation in chronic kidney disease

Zoccali et al. · Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2025

Dysregulation of the autonomic system, characterized by increased sympathetic activity and reduced parasympathetic tone, is a common feature in chronic kidney disease (CKD) and cardiovascular disease.

preclinicalKidney DiseaseiVNS

Reduced vagal tone in women with adenomyosis

Zeng et al. · Reproduction & fertility · 2025

This study was undertaken to investigate whether vagal tone is reduced in patients with adenomyosis compared with healthy women.

clinical trialEndometriosistaVNS
n = 75 subjects

Investigation on Inhibiting SPHK - S1P Pathway to Improve ADHD Model Rats Behavior via Lipidomics

Chai et al. · Neuropsychiatric disease and treatment · 2025

The ADHD model group exhibited significantly elevated ganglioside and lysophospholipid levels.

preclinicalADHDtaVNS

Towards optimizing target engagement in non-invasive trigeminal nerve stimulation: anatomical characterization of the human trigeminal nerve

Perrault et al. · Journal of neural engineering · 2025

The SON was found to be significantly more superficial than the ION and MN with a higher nerve-to-connective tissue ratio compared to the MN.

clinical trialADHDtcVNS

A Clinical and Genetic Evaluation of Cases with Folate Receptor α Gene Mutation: A Case Series from Türkiye

Akgun et al. · Diagnostics (Basel, Switzerland) · 2025

Our study suggests that FOLR1-related CFD should be considered in cases with febrile convulsions, developmental delay, ataxia, autism spectrum disorder, acquired microcephaly, and MRI findings of white matter involvement and cerebellar atrophy.

clinical trialADHDtaVNS

Retracted: Chronic Epipharyngitis Treated with Epipharyngeal Abrasion Therapy: Symptoms, Diagnosis, Pathogenesis, and Treatment Outcomes

Harabuchi et al. · JMA journal · 2025

In this article, the EAT Review Committee outlines its symptoms, pathogenesis, and diagnosis of chronic epipharyngitis, technique of E-EAT, mechanisms of EAT effects, past reports for the efficacy of EAT, and a multicenter prospective study.

clinical trialChronic Fatigue SyndrometaVNS

Chronic inflammation in post-acute sequelae of COVID-19 modulates gut microbiome: a review of literature on COVID-19 sequelae and gut dysbiosis

Iqbal et al. · Molecular medicine (Cambridge, Mass.) · 2025

Further studies are required to understand the geographic variation, racial and ethnic differences in phenotypes of Long COVID, the influence of viral strains on existing and emerging phenotypes, to explore long-term effects of gut dysbiosis, and gut-brain axis dysregulation, as well as the poten...

preclinicalChronic Fatigue SyndrometaVNS
n = 19 subjects

Epipharyngeal Abrasive Therapy (EAT) Field Theory: A Clinical Framework for EAT in Modulating Psycho-Neuro-Endocrino-Immune (PNEI) Dynamics

Hirobumi · Cureus · 2025

This article is presented as a narrative and conceptual review rather than a systematic review, aiming to synthesize the clinical findings and theoretical perspectives into the proposed EAT field theory.

preclinicalChronic Fatigue SyndrometaVNS

Efficacy and safety of transcutaneous auricular vagus nerve stimulation plus pregabalin for radiotherapy-related neuropathic pain in patients with head and neck cancer (RELAX): a phase 2 randomised trial

Zuo et al. · EClinicalMedicine · 2025

Between September 16, 2022, and December 1, 2023, 116 eligible patients (mean age, 50.8 [standard deviation (SD), 8.8] years; 40 [34.5%] were women) were randomly assigned into groups.

RCTCancer SupporttaVNS

The vagus nerve: a cornerstone for mental health and performance optimization in recreation and elite sports

Lopez Blanco et al. · Frontiers in psychology · 2025

These perspectives suppor recent shifts in sports science toward integrating vagal-centered approaches as scalable, evidence-based strategies that can enhance human performance and wellness.

clinical trialSports RecoverytaVNS

The Power of Belief: Investigating the Placebo Effect in Post-Exercise Recovery Strategies for Football Players

Pernigoni et al. · Healthcare (Basel, Switzerland) · 2025

Results: Our findings indicate that match play induced substantial fatigue, with significant deteriorations [p ≤ 0.002, small-to-large effect sizes (ES)] in CMJ, 10 and 20 m sprint performance, Ln-rMSSD, muscle soreness, and perceived fatigue at post-match and post-recovery compared to pre-match ...

preclinicalSports RecoverytaVNS

Vagus nerve stimulation as a potential treatment for acute asthmatic bronchoconstriction: a systematic review

Di Flumeri et al. · Frontiers in physiology · 2025

A total of 2072 articles were identified, of which 1,528 unique articles were screened for inclusion.

systematic reviewRespiratorytcVNS

Neuromodulation of dyspnea - A literature review

Massé et al. · Respiratory medicine · 2025

The discovery of useful dyspnea-reducing neuromodulation techniques could replace or be added to actual treatments like pulmonary rehabilitation, facial ventilators, oxygen, and opioids could be replaced, consequently enhancing the quality of life of dyspneic individuals.

preclinicalRespiratorytcVNS

Non-invasive neuromodulation for alleviating dyspnoea: protocol for a feasibility sham-controlled randomised trial

St-Pierre et al. · BMJ open · 2025

We speculate that non-invasive transcutaneous vagus nerve stimulation (tVNS) and trigeminal transcutaneous electric nerve stimulation (TENS) could improve dyspnoea management by targeting relevant neural circuits.

RCTRespiratorytaVNS

Transcutaneous auricular vagus nerve stimulation inhibits mental stress-induced cortisol release-Potential implications for inflammatory conditions

Cuberos Paredes et al. · Physiological reports · 2025

Elevated glucocorticoid levels with reduced glucocorticoid responsiveness have been reported in chronic inflammatory conditions.

clinical trialStress & PerformancetaVNS
n = 12 subjects

The heart knows best: baseline heart rate variability as guide to transcutaneous auricular vagus nerve stimulation in depression

Schiweck et al. · Translational psychiatry · 2025

Analyses split by RMSSD group, however, showed that for those with low RMSSD, taVNS restored the blunted cardiac stress response and numerically decreased TNF-α levels.

preclinicalStress & PerformancetaVNS
n = 110 subjects

The Effect of Transcutaneous Trigeminal Nerve Stimulation and Transcutaneous Auricular Vagal Nerve Stimulation on the Biomarker Response to Stress

Roberts et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

The TSST induced a stress response by increasing levels of cortisol, DHEA-s, prolactin, IGF-I, and NE relative to baseline.

clinical trialStress & PerformancetaVNS

Effects of Auricular Stimulation on Inflammatory Parameters: Results of a Systematic Review and Meta-Analysis of Randomized Controlled Trials

Hua et al. · Neuromodulation : journal of the International Neuromodulation Society · 2025

A total of 1122 patients and healthy volunteers from 27 RCTs were included in this systematic review; 81% of the participants were female, with a median age of 51 years.

meta-analysisStress & PerformancetaVNS
n = 1,122 subjects

Effect of adding noninvasive auricular Vagal nerve stimulation to exercise program on emotional eating and stress responsiveness in patient with metabolic syndrome

Elbanna et al. · Disability and rehabilitation · 2025

There was a significant change in EES and SAPS scale scores in both groups post-intervention; however, the study group showed higher scores than the control group.

clinical trialStress & PerformancetcVNS

Transcutaneous auricular vagus nerve stimulation for post-stroke depression: a double-blind, randomized, placebo-controlled trial

Liu et al. · Journal of Affective Disorders · 2024

taVNS combined with conventional treatment significantly improved depression scores in post-stroke depression patients compared to sham, expanding potential applications beyond primary MDD.

RCTDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation modulating the brain topological architecture of functional network in major depressive disorder: an fMRI study

Guo et al. · Brain Sciences · 2024

Four weeks of taVNS increased global efficiency and decreased characteristic path length in functional brain networks of MDD patients, with changes in network topology correlating with depression score improvements.

pilotDepressiontaVNS
n = 19 subjects

Transcutaneous auricular vagus nerve stimulation for chronic insomnia disorder: a randomized clinical trial

Zhang et al. · JAMA Network Open · 2024

Active taVNS achieved a mean PSQI reduction of 8.2 points versus 3.9 for sham (Cohen's d = 1.2) in chronic insomnia, with benefits sustained over 20 weeks and no serious adverse effects.

RCTSleeptaVNS
n = 72 subjects

No consistent evidence for the anti-inflammatory effect of vagus nerve stimulation in humans: a systematic review and meta-analysis

Schiweck et al. · Brain, Behavior, and Immunity · 2024

Meta-analysis of 26 studies found no consistent evidence for anti-inflammatory effects of VNS in humans, highlighting the gap between compelling preclinical data and more equivocal clinical results.

meta-analysisInflammationtaVNS
n = 1,135 subjects

Transcutaneous vagus nerve stimulation has no anti-inflammatory effect in diabetes

Okdahl et al. · Scientific Reports · 2024

Transcutaneous cervical VNS did not reduce plasma concentrations of inflammatory cytokines (IL-6, IL-8, IL-10, TNF-alpha, IFN-gamma) in patients with diabetes over 56 days of treatment.

RCTInflammationtcVNS
n = 131 subjects

Preliminary evidence of transcutaneous vagus nerve stimulation effects on sleep in veterans with post-traumatic stress disorder

Bottari et al. · Journal of Sleep Research · 2024

One hour of active taVNS at lights-out produced a moderate reduction in cyclic alternating pattern rate and increased parasympathetic activity during non-REM sleep in veterans with PTSD.

pilotPTSDtaVNS
n = 13 subjects

Efficacy and Safety of Transcutaneous Auricular Vagus Nerve Stimulation in Patients With Constipation-Predominant Irritable Bowel Syndrome: A Single-Center, Single-Blind, Randomized Controlled Trial

Liu et al. · The American journal of gastroenterology · 2024

Between September 2023 and May 2024, 40 patients (n = 20 in both taVNS and sham-taVNS groups) completed the 4-week study by performing an intention-to-treat analysis.

RCTDepressiontaVNS
n = 40 subjects

Extended-release ketamine tablets for treatment-resistant depression: a randomized placebo-controlled phase 2 trial

Glue et al. · Nature medicine · 2024

The safety and tolerability of racemic ketamine may be improved if given orally, as an extended-release tablet (R-107), compared with other routes of administration.

RCTDepressiontaVNS
n = 329 subjects

Transcutaneous auricular vagus nerve stimulation to acutely reduce emotional vulnerability and improve emotional regulation in borderline personality disorder (tVNS-BPD): study protocol for a randomized, single-blind, sham-controlled trial

Guerriero et al. · Trials · 2024

Our aims are to determine if taVNS is effective in acutely reducing emotional vulnerability and improve emotional regulation in BPD patients.

RCTDepressiontaVNS

Deep brain stimulation versus vagus nerve stimulation for the motor function of poststroke hemiplegia: study protocol for a multicentre randomised controlled trial

Xu et al. · BMJ open · 2024

No comparison study exists.

RCTDepressiontaVNS

Non-invasive vagus nerve stimulation conditions increased invigoration and wanting in depression

Ferstl et al. · Comprehensive psychiatry · 2024

Consistent with prior findings, taVNS increased effort invigoration for rewards in both groups during Session 1 (p = .040), particularly for less wanted rewards in HCP (pboot < 0.001).

preclinicalDepressiontaVNS

Clinical application of transcutaneous auricular vagus nerve stimulation: a scoping review

Gerges et al. · Disability and rehabilitation · 2024

109 studies were included.

scoping reviewDepressiontaVNS
n = 214 subjects

Transcutaneous auricular vagus nerve stimulation ameliorates adolescent depressive- and anxiety-like behaviors via hippocampus glycolysis and inflammation response

Sun et al. · CNS neuroscience & therapeutics · 2024

The depressive- and anxiety-like behaviors in CUMS-exposed rats were manifested by decreased spontaneous locomotor activity of OFT, increased immobility time of FST, increased entries and time in the closed arms of EPM, and decreased new object index of NOR.

preclinicalDepressiontaVNS

Transcutaneous vagus nerve stimulation modulates depression-like phenotype induced by high-fat diet via P2X7R/NLRP3/IL-1β in the prefrontal cortex

Li et al. · CNS neuroscience & therapeutics · 2024

Purina#5008 diet induced significant depression-like behaviors in ZDF rats and was closely related to purine and inflammatory metabolites.

preclinicalDepressiontaVNS

Transcutaneous Auricular Vagus Nerve Stimulation to Improve Emotional State

Aranberri Ruiz · Biomedicines · 2024

In this paper, we summarise three neuroscientific theories of emotion, explain what transcutaneous auricular nerve stimulation is, and present arguments for its use and continued research.

clinical trialDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation in anesthetized mice induces antidepressant effects by activating dopaminergic neurons in the ventral tegmental area

Choi et al. · Molecular brain · 2024

To investigate this, we conducted experiments demonstrating that taVNS in anesthetized mice reduced depressive-like behaviors.

preclinicalDepressiontaVNS

Vagus nerve stimulation (VNS): recent advances and future directions

Austelle et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2024

The field continues to gain appreciation for the clinical potential of this modality.

narrative reviewDepressiontcVNS

Vagus Nerve Stimulation Modulates Inflammation in Treatment-Resistant Depression Patients: A Pilot Study

Lespérance et al. · International journal of molecular sciences · 2024

Anxiety levels were also greatly reduced.

pilotDepressioniVNS

Transcutaneous auricular vagus nerve stimulation improves working memory in temporal lobe epilepsy: A randomized double-blind study

Pan et al. · CNS neuroscience & therapeutics · 2024

Compared with the baseline state, reaction time was significantly shorter after 20 weeks of taVNS in the a-taVNS group (p = 0.010), whereas no difference was observed in the s-taVNS group (p > 0.05).

RCTEpilepsytaVNS

Add-On Deep Brain Stimulation versus Continued Vagus Nerve Stimulation for Childhood Epilepsy (ADVANCE): A Partially Randomized Patient Preference Trial

Suresh et al. · Annals of neurology · 2024

ANN NEUROL 2024;96:405-411.

RCTEpilepsyiVNS
n = 18 subjects

The effect of Vagus nerve stimulation (VNS) on seizure control, cognitive function, and quality of life in individuals with drug-resistant epilepsy: A systematic review article

Melese et al. · Epilepsia open · 2024

The search strategy yielded a total of 392 relevant studies.

systematic reviewEpilepsyiVNS

Effects of vagus nerve stimulation on cognitive function in patients with epilepsy: a systematic review and meta-analysis

Kong et al. · Frontiers in neurology · 2024

Twenty clinical trials were included.

meta-analysisEpilepsyiVNS

Long-term effects of vagus nerve stimulation on EEG aperiodic components in patients with drug-resistant epilepsy

Yang et al. · Therapeutic advances in neurological disorders · 2024

In all, 18 patients with DRE participated in this study.

long-term studyEpilepsyiVNS
n = 18 subjects

Long-Term Outcome in Adult Patients with Drug-Resistant Epilepsy Submitted to Vagus Nerve Stimulation

Santi et al. · Brain sciences · 2024

Among the 73 patients with follow-up data, 80.8% were responders, experiencing significant reductions in seizure frequency over an average follow-up period of 9.4 years.

retrospective analysisEpilepsyiVNS
n = 73 subjects

Long-term effects of vagus nerve stimulation therapy on cognitive functioning in patients with drug-resistant epilepsy

Puteikis et al. · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024

The study included 28 PWE (16, 57.1% female, average age 33.7 ± 10.0 years).

long-term studyEpilepsyiVNS
n = 28 subjects

Treatment of Drug-Resistant Epilepsy With Right-Sided Vagus Nerve Stimulation

Ma et al. · Cureus · 2024

The other two patients demonstrated a less favorable response to R-VNS compared to their previous left VNS therapy.

preclinicalEpilepsyiVNS

Complications and Mortality Rate of Vagus Nerve Stimulation for Drug-Resistant Epilepsy

Ma et al. · Cureus · 2024

 In total, 55 adult and pediatric patients received VNS therapy with 117 procedures performed over 23 years.

preclinicalEpilepsyiVNS

Transcutaneous auricular vagus nerve stimulation for epilepsy

Zhang et al. · Seizure · 2024

taVNS had a higher response rate in PWE than the control treatment (OR = 2.94, 95 % CI = 1.94 - 4.46, P < 0.05).

systematic reviewEpilepsytaVNS

Transcutaneous auricular vagus nerve stimulation improves anxiety symptoms and cortical activity during verbal fluency task in Parkinson's disease with anxiety

Zhang et al. · Journal of affective disorders · 2024

PD-A patients showed significantly decreased oxyhemoglobin in the left triangle part of the inferior frontal gyrus (IFG) during VFT, which was negatively related to the severity of anxiety symptoms.

RCTAnxietytaVNS

Self-administered non-invasive vagus nerve stimulation therapy for severe pharmacoresistant restless legs syndrome: outcomes at 6 months

Hartley et al. · Journal of sleep research · 2024

Quality of life significantly improved compared to baseline (mean [SD] score at baseline 49.3 [18.1] versus 65.66 [22.58] at 6 months, p = 0.0005) as did anxiety and depression symptoms (mean [SD] HADA score at baseline 8.9 [5.4] versus 7.53 [4.42] at 6 months, p = 0.029; and HADD score at baseli...

preclinicalAnxietytaVNS
n = 15 subjects

Transcutaneous auricular vagus nerve stimulation modulates masseter muscle activity, pain perception, and anxiety levels in university students: a double-blind, randomized, controlled clinical trial

Ferreira et al. · Frontiers in integrative neuroscience · 2024

Active TAVNS significantly reduced both left and right masseter activation during resting mandibular position, persisting for 2 weeks post-intervention.

RCTAnxietytaVNS

Efficacy of Vagal nerve stimulation on anxiety among elderly retired teachers during COVID-19 pandemic

Srinivasan et al. · Work (Reading, Mass.) · 2024

Following the 4-week intervention, both groups exhibited a significant reduction in Generalized Anxiety Disorder-7 (GAD-7) scores and salivary cortisol levels (P < 0.001).

RCTAnxietytaVNS

Transcutaneous vagus nerve stimulation improves Long COVID symptoms in a female cohort: a pilot study

Zheng et al. · Frontiers in neurology · 2024

Significant improvements were observed in various cognitive functions, anxiety, depression, and sleep at post-intervention, with benefits remaining or progressing at 1-month follow-up.

pilotAnxietytaVNS

Feasibility and effectiveness of transcutaneous auricular vagus nerve stimulation (taVNS) in awake mice

Yu et al. · CNS neuroscience & therapeutics · 2024

We found that repetitive taVNS was well tolerated by awake mice, had no effect on anxiety-like behaviors, and significantly improved memory.

preclinicalAnxietytaVNS

Transcutaneous auricular vagus nerve stimulation improves social deficits through the inhibition of IL-17a signaling in a mouse model of autism

Zhang et al. · Frontiers in psychiatry · 2024

TaVNS reduced anxiety, improved social function, decreased the number of microglia, and inhibited M1 polarization of microglia.

preclinicalAnxietytaVNS

The gut-brain axis and cognitive control: A role for the vagus nerve

Décarie-Spain et al. · Seminars in cell & developmental biology · 2024

Collectively, these findings highlight the contributions of gastrointestinal vagus nerve signaling to the regulation of neurocognitive processes that shape various adaptive behavioral responses.

preclinicalAnxietytaVNS

Transcutaneous vagus nerve stimulation effects on chronic pain: systematic review and meta-analysis

Costa et al. · Pain reports · 2024

The results revealed a mean effect size of 0.41 (95% CI 0.17-0.66) in favor of tVNS as compared with control, although a significant heterogeneity was observed (χ2 = 21.7, df = 10, P = 0.02, I 2 = 53.9%).

meta-analysisMigrainetaVNS

Clinical Efficacy of Auricular Vagus Nerve Stimulation in the Treatment of Chronic and Acute Pain: A Systematic Review and Meta-analysis

Duff et al. · Pain and therapy · 2024

A total of n = 1496 patients were treated with aVNS in 23 identified and analyzed studies in chronic pain, 12 studies in acute postoperative pain and 7 studies in experimental acute pain.

meta-analysisMigrainetcVNS
n = 1,496 subjects

[Clinical efficacy of auricular vagus nerve stimulation in the treatment of chronic and acute pain : A systematic review]

Likar et al. · Schmerz (Berlin, Germany) · 2024

Twenty studies on chronic pain indications, ten studies on acute postoperative pain, as well as seven studies on experimental acute pain were identified and analyzed.

systematic reviewMigrainetcVNS
n = 1,105 subjects

Transcutaneous auricular vagus nerve stimulation for the treatment of myoarthropatic symptoms in patients with craniomandibular dysfunction - a protocol for a randomized and controlled pilot trial

Prott et al. · Pilot and feasibility studies · 2024

Therefore, it is the main purpose of the study to evaluate the feasibility of daily taVNS against chronic TMD and to assess whether there is an improvement in pain severity, quality of life, and kinetic parameters.

RCTMigrainetaVNS

Noninvasive Vagus Nerve Stimulation in Postural Tachycardia Syndrome: A Randomized Clinical Trial

Stavrakis et al. · JACC. Clinical electrophysiology · 2024

Mean age was 34 ± 11 years (100% female; 81% Caucasian).

RCTInflammationtaVNS

Transcutaneous auricular vagus nerve stimulation mitigates gouty inflammation by reducing neutrophil infiltration in BALB/c mice

Shin et al. · Scientific reports · 2024

Our findings revealed that MSU significantly elevated gout-associated inflammatory cascades and mediators in the ankle joint.

preclinicalInflammationtaVNS

Direct vagus nerve stimulation: A new tool to control allergic airway inflammation through α7 nicotinic acetylcholine receptor

Sévoz-Couche et al. · British journal of pharmacology · 2024

Yet, the effects of vagus nerve stimulation (VNS)-induced CAP on allergic inflammation remain unknown.

clinical trialInflammationiVNS

Vagus nerve stimulation modulates distinct acetylcholine receptors on B cells and limits the germinal center response

Kurata-Sato et al. · Science advances · 2024

GC B cells from chronic VNS mice exhibited altered mRNA and protein expression suggesting increased apoptosis and impaired plasma cell differentiation.

preclinicalInflammationiVNS

Transcutaneous vagus nerve stimulation has no anti-inflammatory effect in diabetes

Okdahl et al. · Scientific reports · 2024

Information regarding age, sex, diabetes type, and the presence of cardiac autonomic neuropathy (CAN) was included in the analysis as possible confounders.

RCTInflammationtaVNS
n = 63 subjects

Vagus nerve stimulation with a small total charge transfer improves motor behavior and reduces neuroinflammation in a mouse model of Parkinson's disease

Cheng et al. · Neurochemistry international · 2024

Our results suggest that VNS improved behavioral performance in rod rotation, open field tests and pole-climbing tests in PD mice, accompanied by a decrease in the loss of dopaminergic neurons in the SN and increased TH expression in the striatum.

preclinicalInflammationiVNS

Neuromodulation and the Gut-Brain Axis: Therapeutic Mechanisms and Implications for Gastrointestinal and Neurological Disorders

Aljeradat et al. · Pathophysiology : the official journal of the International Society for Pathophysiology · 2024

Despite existing challenges, the ability of neuromodulation to adjust disrupted neural pathways, alleviate pain, and mitigate inflammation is significant in improving the quality of life for patients, thereby offering exciting prospects for future advancements in patient care.

narrative reviewInflammationiVNS

Brain-Gut Axis: Invasive and Noninvasive Vagus Nerve Stimulation, Limitations, and Potential Therapeutic Approaches

Hesampour et al. · Inflammatory bowel diseases · 2024

Vagus nerve stimulation (VNS) has demonstrated anti-inflammatory effects in various inflammatory disorders, including IBD, by inhibiting the production of inflammatory cytokines by immune cells.

preclinicalInflammationiVNS

Effect of Electrical Stimulation of the Vagus Nerve on Inflammation in Rats With Spinal Cord Injury

Xie et al. · Journal of manipulative and physiological therapeutics · 2024

Electroacupuncture stimulation treatment inhibited inflammatory infiltration, as well as the concentrations of interleukin-6, interleukin-1β, tumor necrosis factor-α, astrocytes, and microglia at 1, 6, and 24 hours after 1 EAS treatment.

preclinicalInflammationiVNS

A body-brain circuit that regulates body inflammatory responses

Jin et al. · Nature · 2024

We used single-cell RNA sequencing, combined with functional imaging, to identify the circuit components of this neuroimmune axis, and showed that its selective manipulation can effectively suppress the pro-inflammatory response while enhancing an anti-inflammatory state.

preclinicalInflammationiVNS

Impact of optimized transcutaneous auricular vagus nerve stimulation on cardiac autonomic profile in healthy subjects and heart failure patients

Maestri et al. · Physiological measurement · 2024

Objective.To determine the optimal frequency and site of stimulation for transcutaneous vagus nerve stimulation (tVNS) to induce acute changes in the autonomic profile (heart rate (HR), heart rate variability (HRV)) in healthy subjects (HS) and patients with heart failure (HF).Approach.We designe...

preclinicalHeart FailuretaVNS
n = 29 subjects

Non-pharmacologic autonomic neuromodulation for treatment of heart failure: A systematic review and meta-analysis of randomized controlled trials

Ahmed et al. · Trends in cardiovascular medicine · 2024

Treatment strategies that modulate autonomic tone through interventional and device-based therapies have been studied as an adjunct to pharmacological treatment of heart failure with reduced ejection fraction (HFrEF).

meta-analysisHeart FailureiVNS
n = 1,037 subjects

Blood Pressure Variability After Non-invasive Low-level Tragus Stimulation in Acute Heart Failure

Nagai et al. · Journal of cardiovascular translational research · 2024

In the active group, standard deviation (SD), coefficient of variation (CV) and δ in SBP were significantly decreased after LLTS (all p < 0.05).

RCTHeart FailuretcVNS
n = 22 subjects

Effectiveness of transcutaneous vagus nerve stimulation for the treatment of tinnitus: an interventional prospective controlled study

Raj-Koziak et al. · International journal of audiology · 2024

In general, subjective and objective measurements of tinnitus showed no improvement in the study group compared to the controls, although certain parameters as gauged by the questionnaires did statistically improve.

RCTHeart FailuretaVNS

Transcutaneous Non-Invasive Vagus Nerve Stimulation: Changing the Paradigm for Stroke and Atrial Fibrillation Therapies?

Förster · Biomolecules · 2024

Future applications of this non-invasive neuromodulation technology to conditions like atrial fibrillation (AF) or ischemic stroke are highly likely due to its advancement.

RCTHeart HealthtaVNS

Atrial fibrillation radiofrequency ablation in a patient with vagus nerve stimulation

Benoit et al. · Neurophysiologie clinique = Clinical neurophysiology · 2024

This 62-year-old patient with bitemporal lobe epilepsy treated with VNS underwent radiofrequency ablation of an atrial fibrillation without any perioperative or postoperative complications.

preclinicalHeart HealthtaVNS

Vagus nerve stimulation for cardiovascular diseases: Is there light at the end of the tunnel?

Zafeiropoulos et al. · Trends in cardiovascular medicine · 2024

Although VNS ameliorated CVD in several animal models, early human studies have demonstrated variable efficacy.

RCTHeart HealthtaVNS

Vagus nerve stimulation: Potential for treating chronic wounds

Budhiraja et al. · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2024

VNS has also demonstrated potential in autoimmune disorders, such as rheumatoid arthritis and Crohn's disease, as well as neurological disorders like epilepsy and migraines.

RCTHeart HealthiVNS

Percutaneous Neuromodulation for Atrial Fibrillation

Zuhair et al. · Cardiac electrophysiology clinics · 2024

Noninvasive methods, such as transcutaneous low-level tragus stimulation, offer innovative treatment pathways, with early trials indicating a significant reduction in AF burden.

RCTHeart HealthtaVNS

Vagus nerve stimulation as a promising neuroprotection for ischemic stroke via α7nAchR-dependent inactivation of microglial NLRP3 inflammasome

Xia et al. · Acta pharmacologica Sinica · 2024

We found that all the three VNS significantly protected against the tMCAO-induced injury evidenced by improved neurological function and reduced infarct volume.

preclinicalStroke RehabilitationiVNS

Making Sense of Vagus Nerve Stimulation for Stroke

Malakouti et al. · Stroke · 2024

Health care providers, patients, and insurers should rely on appropriately designed research to guide well-informed decisions.

preclinicalStroke RehabilitationiVNS

Efficacy observation of combined transcutaneous vagus nerve stimulation and transcranial direct current stimulation on gait in 169 subacute stroke patients

Wang et al. · Journal of rehabilitation medicine · 2024

Significant improvements in FMA-LL, MBI, BBS, TUG, gait parameters, and sEMG were noted in the intervention groups compared with the control, with the transcutaneous auricular vagus nerve stimulation combined with transcranial direct current stimulation group showing the most pronounced improveme...

RCTStroke RehabilitationtaVNS

Minimally invasive vagus nerve stimulation modulates mast cell degranulation via the microbiota-gut-brain axis to ameliorate blood-brain barrier and intestinal barrier damage following ischemic stroke

Wang et al. · International immunopharmacology · 2024

Mast cells (MCs) play a significant role in various diseases, and their activation and degranulation can trigger inflammatory responses and barrier damage.

preclinicalStroke RehabilitationiVNS

Vagus nerve electrical stimulation in the recovery of upper limb motor functional impairment after ischemic stroke

Chen et al. · Cognitive neurodynamics · 2024

Recent studies have demonstrated that vagus nerve stimulation (VNS) has neuroprotective effects in both transient and permanent cerebral ischemia animal models, significantly improving upper limb motor impairments, auditory deficits, and swallowing difficulties.

preclinicalStroke RehabilitationiVNS

Neurostimulation for treatment of post-stroke impairments

Dawson et al. · Nature reviews. Neurology · 2024

This Review focuses on neurostimulation techniques that are now in clinical use or that have reached the stage of pivotal trials and show considerable promise for the treatment of post-stroke impairments.

clinical trialStroke RehabilitationiVNS

Transcutaneous auricular vagus nerve stimulation with task-oriented training improves upper extremity function in patients with subacute stroke: a randomized clinical trial

Wang et al. · Frontiers in neuroscience · 2024

The VG showed significant improvements in upper extremity function (FMA-UE, ARAT) and activities of daily living (MBI) compared to the SG at post-intervention.

RCTStroke RehabilitationtaVNS

A narrative review of vagus nerve stimulation in stroke

Hu et al. · Journal of central nervous system disease · 2024

Stroke is a significant health concern impacting society and the health care system.

narrative reviewStroke RehabilitationiVNS

Vagus Nerve Stimulation Paired With Upper Extremity Rehabilitation for Chronic Ischemic Stroke: Contribution of Dosage Parameters

Lin et al. · Neurorehabilitation and neural repair · 2024

Compared to Controls, active VNS favorably influenced distal function with sustained improvement after the home program.

preclinicalStroke RehabilitationiVNS

Effects of transcutaneous vagus nerve stimulation on chronic low back pain: a systematic review

Eid et al. · BMC musculoskeletal disorders · 2024

Our database search found 1084 RCT.

systematic reviewPaintaVNS

Effect of Transcutaneous Auricular Vagus Nerve Stimulation in Chronic Low Back Pain: A Pilot Study

Tavares-Figueiredo et al. · Journal of clinical medicine · 2024

VAS scores decreased significantly by 16.1 (SD = 17.9) mm (p < 0.001) and by 22.5 (25) mm (p < 0.001) after 3 months (24 patients were analyzed).

pilotPaintaVNS
n = 27 subjects

The combined effect of transcutaneous electrical nerve stimulation and transcutaneous auricular vagus nerve stimulation on pressure and heat pain thresholds in pain-free subjects: a randomized cross-over trial

Liebano et al. · Trials · 2024

TENS has been demonstrated to produce hypoalgesic effects in postoperative pain, fibromyalgia, knee osteoarthritis, and healthy subjects.

RCTPaintaVNS

Comparison of the efficacy of auricular vagus nerve stimulation and conventional low back rehabilitation in patients with chronic low back pain

Demircioğlu et al. · Complementary therapies in clinical practice · 2024

At the end of three weeks, within-group assessment results showed positive effects on mobility, functional status, depression and sleep in all groups (p < 0.05).

preclinicalPaintaVNS

Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Conditioned Pain Modulation in Trigeminal Neuralgia Patients

Zhang et al. · Pain and therapy · 2024

A 30-min active taVNS exposure substantially elevated the PPT and CPM effect (P < 0.05) among TN patients, and we also observed a notable rise in the PPT and CPM effect (P < 0.05) among healthy controls.

clinical trialPaintaVNS

Exploring the efficacy of Transcutaneous Auricular Vagus nerve stimulation (taVNS) in modulating local and systemic inflammation in experimental models of colitis

Hesampour et al. · Bioelectronic medicine · 2024

taVNS improved DAI, macroscopic, and histological scores in DSS colitis mice, but only partially mitigated weight loss and DAI in DNBS colitis mice.

clinical trialGut HealthtaVNS

Ameliorating effects of transcutaneous auricular vagus nerve stimulation on a mouse model of constipation-predominant irritable bowel syndrome

Liu et al. · Neurobiology of disease · 2024

First, we found that taVNS increased fecal pellet number, fecal water content, and gastrointestinal transit in IBS-C model mice compared with the sham-ES group.

preclinicalGut HealthtaVNS

Unmet needs of drugs for irritable bowel syndrome and inflammatory bowel diseases: interest of vagus nerve stimulation and hypnosis

Bonaz · Inflammopharmacology · 2024

The gut-brain axis can be targeted for therapeutic purposes in irritable bowel syndrome and inflammatory bowel disease through non-drug therapies, such as hypnosis and vagus nerve stimulation, opening up possibilities for responding to patient expectations.

RCTGut HealthtaVNS

Characterization of idiopathic chronic diarrhea and associated intestinal inflammation and preliminary observations of effects of vagal nerve stimulation in a non-human primate

Populin et al. · Neurogastroenterology and motility · 2024

We characterized this condition and present preliminary data demonstrating that left vagal nerve stimulation provides relief.

preclinicalGut HealthtaVNS

Transcutaneous auricular vagus nerve stimulation as a novel therapy connecting the central and peripheral systems: a review

Zou et al. · International journal of surgery (London, England) · 2024

This review shows the successful examples and research progress of taVNS using peripheral neuromodulation mechanisms from more perspectives, demonstrating the expanded scope and value of taVNS to provide new ideas and approaches for holistic therapy from both central and peripheral perspectives.

narrative reviewGut HealthtaVNS

Transcutaneous vagal nerve stimulation for treating gastrointestinal symptoms in individuals with diabetes: a randomised, double-blind, sham-controlled, multicentre trial

Kornum et al. · Diabetologia · 2024

Sixty-eight participants were randomised to the active group, while 77 were randomised to the sham group.

RCTGut HealthtaVNS

Stress-sensitive neural circuits change the gut microbiome via duodenal glands

Chang et al. · Cell · 2024

The findings revealed a tractable brain-body mechanism linking psychological states to host defense.

clinical trialGut HealthtaVNS

Optogenetic inhibition of the locus coeruleus blocks vagus nerve stimulation-induced enhancement of extinction of conditioned fear in rats

Calderon-Williams et al. · Learning & memory (Cold Spring Harbor, N.Y.) · 2024

Consistent with previous findings, VNS treatment during extinction training significantly reduced freezing 24 h and 2 weeks later.

preclinicalPTSDtaVNS

Is transcutaneous auricular vagus nerve stimulation effective and safe for primary insomnia? A PRISMA-compliant protocol for a systematic review and meta-analysis

Yang et al. · PloS one · 2024

Therefore, this protocol outlines the framework for a systematic review and meta-analysis designed to comprehensively assess the effectiveness and safety of ta-VNS in treating primary insomnia.

meta-analysisSleeptaVNS

Effect of vagus nerve stimulation (taVNS) on anxiety and sleep disturbances among elderly health care workers in the post COVID-19 pandemic

Srinivasan et al. · Work (Reading, Mass.) · 2024

With a p value of 0.001, taVNS stimulation significantly improved sleep quality and reduced anxiety after 4 weeks.

clinical trialSleeptaVNS

Efficacy of transauricular vagus nerve stimulation for the treatment of chemotherapy-induced painful peripheral neuropathy: a randomized controlled exploratory study

Yang et al. · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024

Compared with the SS group, the NRS and AIS in the taVNS group were significantly lower at D0.

RCTSleeptaVNS

Combined transcutaneous auricular vagus stimulation (taVNS) with 0.1Hz slow breathing enhances insomnia treatment efficacy: A pilot study

Tian et al. · Brain stimulation · 2024

Study examining sleep using taVNS.

pilotSleeptaVNS

Effect of long-term transcutaneous auricular vagus nerve stimulation in multiple system atrophy-cerebellar subtype: a case report

Wang et al. · Frontiers in neuroscience · 2024

In the case, we found that short-term taVNS treatment can alleviate ataxia, sleep problem, anxiety and depression of the MSA-C patient.

clinical trialSleeptaVNS

Effectiveness of transcutaneous vagus nerve stimulation (tVNS) on salicylate-induced tinnitus

Rezapour et al. · Neuroscience letters · 2024

The inhibition percentage of the GPIAS test was significantly reduced post-salicylate injection in the tVNS and AS alone groups, while it was not significant in the tVNS with AS group.

clinical trialTinnitustaVNS

Current status of transcutaneous auricular vagus nerve stimulation for tinnitus: a narrative review of modern research

Wu et al. · Frontiers in neuroscience · 2024

Transcutaneous auricular vagus nerve stimulation (taVNS) has demonstrated potential as a substitute or supplementary treatment by activating central vagal pathways.

narrative reviewTinnitustaVNS

Efficacy and safety of transcutaneous auricular vagus nerve stimulation (ta-VNS) in the treatment of tinnitus: protocol for an updated systematic review and meta-analysis

Lin et al. · BMJ open · 2024

With an increasing incidence and significant effects on patients, tinnitus has become a major disease burden.

meta-analysisTinnitustaVNS

Effects of Non-invasive Vagus Nerve Stimulation on Inflammatory Markers in COVID-19 Patients: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Taha et al. · Cureus · 2024

Following nVNS treatment, there was a significant increase in IL-10 levels (MD = 1.53, 95% CI: 0.77, 2.29; p < 0.001).

meta-analysisLong COVIDiVNS
n = 19 subjects

Vagal nerve stimulation for the management of long COVID symptoms

Khan et al. · Infectious medicine · 2024

Preliminary evidence from small-scale pilot studies suggests VNS may attenuate systemic inflammation through activation of the cholinergic anti-inflammatory pathway (CAP), thus restoring autonomic balance and ameliorating symptoms such as fatigue, cognitive dysfunction, and anxiety.

narrative reviewLong COVIDtaVNS

Effects of auricular stimulation on weight- and obesity-related parameters: a systematic review and meta-analysis of randomized controlled clinical trials

Hua et al. · Frontiers in neuroscience · 2024

The full texts of 1,274 studies were screened; 22 contained data on obesity-related outcomes, and 15 trials with 1,333 patients were included in the meta-analysis.

meta-analysisObesitytaVNS
n = 333 subjects

Bilateral Subdiaphragmatic Vagal Nerve Stimulation Using a Novel Waveform Decreases Body Weight, Food Consumption, Adiposity, and Activity in Obesity-Prone Rats

Leinen et al. · Obesity surgery · 2024

Results showed that rats on a high-fat diet that received sVNS attained a similar weight to rats on a standard diet due primarily to a reduction in daily caloric intake.

preclinicalObesitytaVNS

Neuromodulation for the treatment of Prader-Willi syndrome - A systematic review

Qiu et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024

Finally, given the potentially vulnerable population, neuroethical considerations and dialogue should guide the field.

systematic reviewObesitytcVNS
n = 47 subjects

The latest reports and treatment methods on polycystic ovary syndrome

Stańczak et al. · Annals of medicine · 2024

It is mandatory to examine these environmental and lifestyle factors as they not only contribute to the occurrence of the disease but also influence its progression.

narrative reviewMetabolictaVNS

Transcutaneous auricular vagal nerve stimulation modulates blood glucose in ZDF rats via intestinal melatonin receptors and melatonin secretion

Zhang et al. · Frontiers in neuroscience · 2024

Compared with the ZL group, the level of FBG and body weight increased (all p < 0.01), plasma MLT secretion and the expression of MRs in duodenum, jejunum and ileum of ZDF rats decreased obviously (all p < 0.05), respectively.

preclinicalMetabolictaVNS

Optogenetic stimulation of vagal nerves for enhanced glucose-stimulated insulin secretion and β cell proliferation

Kawana et al. · Nature biomedical engineering · 2024

The two methods show that signals from the vagal nerve, especially from nerve fibres innervating the pancreas, are sufficient to regulate insulin secretion and β cell proliferation.

preclinicalMetabolictaVNS

Mechanisms of Vagus Nerve Stimulation in Improving Motor Dysfunction After Stroke

Cai et al. · Neuropsychiatric disease and treatment · 2024

The applications and further exploration are discussed to provide new insights into this novel therapeutic technique.

preclinicalNeuroplasticitytcVNS

The evolution of neuromodulation for chronic stroke: From neuroplasticity mechanisms to brain-computer interfaces

Saway et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024

While the field of implantable devices for chronic stroke recovery is still in a nascent stage, the data reviewed are suggestive of immense potential for reducing the impact and impairment from this globally prevalent disorder.

narrative reviewNeuroplasticityiVNS

Vagus nerve stimulation during training fails to improve learning in healthy rats

Carroll et al. · Scientific reports · 2024

These results contrast recent findings from multiple labs which found VNS pairing during training produced learning enhancements across motor, auditory, and cognitive domains.

preclinicalNeuroplasticityiVNS

Transcutaneous auricular vagus nerve stimulation does not modulate working memory capacity but alters pupillary responses in the change detection task

Chen et al. · Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference · 2024

For the results, we observed no significant modulation of working memory capacity by taVNS but did note distinct alterations in pupillary response (mean amplitude and extremes) during specified intervals in the change detection task.

clinical trialCognitive FunctiontaVNS
n = 16 subjects

Does vibrotactile stimulation of the auricular vagus nerve enhance working memory? A behavioral and physiological investigation

Tan et al. · Brain stimulation · 2024

In 4-back tasks, which demand maximal working memory capacity, active vibrotactile taVNS significantly improved the performance metric d' compared to the baseline but not to the sham.

clinical trialCognitive FunctiontaVNS

Does Vibrotactile Stimulation of the Auricular Vagus Nerve Enhance Working Memory? A Behavioral and Physiological Investigation

Tan et al. · bioRxiv : the preprint server for biology · 2024

In 4-back tasks, which demand maximal working memory capacity, active vibrotactile taVNS significantly improved the performance metric d ' compared to the baseline but not to the sham.

clinical trialCognitive FunctiontaVNS

Vagus nerve stimulation in dementia: A scoping review of clinical and pre-clinical studies

Kamoga et al. · AIMS neuroscience · 2024

This study aimed to examine the extent and nature of research activities in relation to the use of VNS in dementia and disseminate research findings for the potential utility in dementia care.

scoping reviewCognitive FunctiontaVNS

Transcutaneous vagus nerve stimulation for Parkinson's disease: a systematic review and meta-analysis

Shan et al. · Frontiers in aging neuroscience · 2024

6 RCTs with 176 PD patient were included.

meta-analysisParkinson's DiseasetaVNS

Vagus nerve stimulation in Parkinson's disease: a scoping review of animal studies and human subjects research

Evancho et al. · NPJ Parkinson's disease · 2024

Studies showed high variability in VNS parameters and study design.

scoping reviewParkinson's DiseasetaVNS

Neuromodulation techniques - From non-invasive brain stimulation to deep brain stimulation

Davidson et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024

Ongoing active clinical trials using are uncovering novel applications and paradigms for these interventions.

clinical trialParkinson's DiseasetcVNS

Immediate modulatory effects of transcutaneous vagus nerve stimulation on patients with Parkinson's disease: a crossover self-controlled fMRI study

Fu et al. · Frontiers in aging neuroscience · 2024

Forty-seven participants completed the study and were included in the final analysis.

clinical trialParkinson's DiseasetaVNS

Left Vagus Stimulation Modulates Contralateral Subthalamic β Power Improving the Gait in Parkinson's Disease

Marano et al. · Movement disorders : official journal of the Movement Disorder Society · 2024

The left taVNS induced a reduction of the total β power in the contralateral (ie, right) subthalamic nucleus and an improvement of TUG time, speed, and variability.

clinical trialParkinson's DiseasetaVNS

Vagus Nerve Stimulation for Improvement of Vascular Cognitive Impairment

E et al. · Neuropsychiatric disease and treatment · 2024

Numerous studies suggest that VNS suppresses the body's inflammatory response, leading to enhanced cognitive function in patients.

clinical trialAlzheimer's DiseaseiVNS

Vagus nerve stimulation in cerebral stroke: biological mechanisms, therapeutic modalities, clinical applications, and future directions

Du et al. · Neural regeneration research · 2024

Clinical studies have found that invasive vagus nerve stimulation combined with rehabilitation therapy is effective in improving upper limb motor and cognitive abilities in stroke patients.

preclinicalAlzheimer's DiseaseiVNS

Evaluating phasic transcutaneous vagus nerve stimulation (taVNS) with pupil dilation: the importance of stimulation intensity and sensory perception

Ludwig et al. · Scientific reports · 2024

The results also suggest that the influence of intensity on pupil dilation may be stronger than that of frequency.

clinical trialAlzheimer's DiseasetaVNS

Advances in VNS efficiency and mechanisms of action on cognitive functions

Wang et al. · Frontiers in physiology · 2024

A comprehensive review of 100 articles highlighted the cognitive effects of Vagus Nerve Stimulation (VNS).

systematic reviewAlzheimer's DiseaseiVNS

Non-invasive vagus nerve stimulation in anti-inflammatory therapy: mechanistic insights and future perspectives

Liu et al. · Frontiers in neuroscience · 2024

Future research directions will focus on refining VNS technology, optimizing treatment parameters, and exploring synergistic effects with other therapeutic modalities, which could revolutionize the management of chronic inflammatory and autoimmune disorders.

narrative reviewRheumatoid ArthritisiVNS

Clinical safety and feasibility of a novel implantable neuroimmune modulation device for the treatment of rheumatoid arthritis: initial results from the randomized, double-blind, sham-controlled RESET-RA study

Peterson et al. · Bioelectronic medicine · 2024

Sixty patients were implanted during Stage 1 of the study.

RCTRheumatoid ArthritisiVNS

Stimulation of the vagus nerve as a therapeutic principle

Seifert et al. · Zeitschrift fur Rheumatologie · 2024

Many studies have demonstrated that chronic inflammatory diseases are associated with reduced parasympathetic and increased sympathetic activities.

preclinicalRheumatoid ArthritisiVNS

The Neural Basis of the Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Emotion Regulation Related Brain Regions: An rs-fMRI Study

Zhang et al. · IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2024

These findings provide insight into the neural basis through which taVNS influences emotion regulation and hold potential for the development of neuromodulation-based therapeutic strategies for emotional disorders.

clinical trialNeuroimagingtaVNS

Transcutaneous auricular vagus nerve stimulation can modulate fronto-parietal brain networks

Han et al. · Frontiers in neuroscience · 2024

No activated regions were observed in the fMRI scans following both sham stimulation and tVNS after the first session.

clinical trialNeuroimagingtaVNS

Insula-Medial Prefrontal Cortex Functional Connectivity Modulated by Transcutaneous Auricular Vagus Nerve Stimulation: An fMRI Study

Zhang et al. · IEEE journal of biomedical and health informatics · 2024

It has been demonstrated that taVNS can influence interoceptive signals.

preclinicalNeuroimagingtaVNS

Identifying responders to vagus nerve stimulation based on microstructural features of thalamocortical tracts in drug-resistant epilepsy

Berger et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024

Multiple diffusion metrics consistently demonstrated significantly higher white matter fiber integrity in patients with a better response to VNS (pFDR < 0.05) in different subsegments of thalamocortical tracts.

pilotNeuroimagingtaVNS

Compatibility of Standard Vagus Nerve Stimulation and Investigational Microburst Vagus Nerve Stimulation Therapy with fMRI

Middlebrooks et al. · AJNR. American journal of neuroradiology · 2024

Our results support the safety of standard and investigational microburst vagus nerve stimulation therapy during MR imaging and fMRI scans.

clinical trialNeuroimagingtaVNS

Editorial: Non-invasive and minimally invasive vagus nerve stimulation for chronic pain

Woodbury et al. · Frontiers in pain research (Lausanne, Switzerland) · 2024

Study examining fibromyalgia using iVNS.

clinical trialFibromyalgiaiVNS

Evaluating the efficacy and acceptability of vagus nerve stimulation for fibromyalgia: a PRISMA-compliant protocol for a systematic review and meta-analysis

Cai et al. · Frontiers in neurology · 2024

The findings of our study are anticipated to ascertain the efficacy and acceptability of VNS as a promising treatment option for fibromyalgia.

meta-analysisFibromyalgiataVNS

Electrical stimulation of the vagus nerve ameliorates inflammation and disease activity in a rat EAE model of multiple sclerosis

Natarajan et al. · Proceedings of the National Academy of Sciences of the United States of America · 2024

In this study, VNS-mediated neuroimmune modulation is demonstrated to effectively decrease EAE disease severity and duration, infiltration of neutrophils and pathogenic lymphocytes, myelin damage, blood-brain barrier disruption, fibrinogen deposition, and proinflammatory microglial activation.

preclinicalMultiple SclerosistaVNS

Vagus Nerve Stimulation Therapy for Drug-Resistant Epilepsy in Children-A Literature Review

Fukuda et al. · Journal of clinical medicine · 2024

This review describes the VNS system, the mechanism of the therapeutic effect, the specific stimulation adjustment method, antiepileptic effects, and other clinical effects in patients with childhood DRE.

preclinicalMultiple SclerosistaVNS

Vagus nerve stimulation enhances remyelination and decreases innate neuroinflammation in lysolecithin-induced demyelination

Bachmann et al. · Brain stimulation · 2024

Immunohistochemistry showed that cVNS significantly reduced microglial and astrocytic activation in the lesion and lesion border, and significantly reduced the Olig2+ cell count at 3 dpi.

clinical trialMultiple SclerosistaVNS

Paired vagus nerve stimulation drives precise remyelination and motor recovery after myelin loss

Huang et al. · bioRxiv : the preprint server for biology · 2024

We found that VNS promotes remyelination by increasing the generation of myelinating oligodendrocytes.

clinical trialMultiple SclerosistaVNS

Proteomics dataset of lysolecithin-induced demyelinated lesions in corpus callosum of Lewis rats, treated with Vagus nerve stimulation or sham treatment

Bachmann et al. · Data in brief · 2024

Raw data are available via ProteomeXchange with identifier PXD050858.

preclinicalMultiple SclerosistaVNS

Transcutaneous Cervical Vagus Nerve Magnetic Stimulation in Patients With Traumatic Brain Injury: A Feasibility Study

Zhang et al. · Neuromodulation : journal of the International Neuromodulation Society · 2024

The findings showed that daily half-hour VNMS for ten days was feasible in patients with TBI, with minimal side effects and no clinically significant effects on physiological parameters.

clinical trialTraumatic Brain InjurytcVNS

Neurorehabilitation with vagus nerve stimulation: a systematic review

Korupolu et al. · Frontiers in neurology · 2024

Our review suggests that VNS (non-invasive or invasive) paired with rehabilitation can improve motor outcomes after stroke in humans.

systematic reviewTraumatic Brain InjuryiVNS

Vagus nerve stimulation for the therapy of Dravet syndrome: a systematic review and meta-analysis

Chen et al. · Frontiers in neurology · 2024

Sixteen trials with a total of 173 patients were included.

meta-analysisAutismtaVNS
n = 173 subjects

Mechanisms of vagus nerve stimulation for the treatment of neurodevelopmental disorders: a focus on microglia and neuroinflammation

Gargus et al. · Frontiers in neuroscience · 2024

Evidence suggests that altered VN signaling is linked to changes in the neuroimmune system, including microglia.

clinical trialAutismtaVNS

Effects of transcutaneous auricular vagus nerve stimulation and exploration of brain network mechanisms in children with high-functioning autism spectrum disorder: study protocol for a randomized controlled trial

Sun et al. · Frontiers in psychiatry · 2024

Therefore, in this study, we intend to provide a study protocol to examine the therapeutic effects of taVNS in individuals diagnosed with HFA and to investigate the process of brain network remodeling in individuals with ASD using functional imaging techniques to observe alterations in large-scal...

RCTAutismtaVNS

Pairing tones with vagus nerve stimulation improves brain stem responses to speech in the valproic acid model of autism

Tamaoki et al. · Journal of neurophysiology · 2024

Contrarily, VNS-speech pairing significantly decreased the IC response to speech compared with VPA-exposed rats by 5%.

preclinicalAutismtaVNS

Neural signatures of emotional biases predict clinical outcomes in difficult-to-treat depression

Fennema et al. · Research directions. Depression · 2024

A linear regression model showed that baseline severity of depressive symptoms explained 3% of the variance in outcomes at follow-up (F[3,34] = .33, p = .81).

clinical trialSchizophreniaiVNS

An update on noninvasive neuromodulation in the treatment of patients with prolonged disorders of consciousness

Wan et al. · CNS neuroscience & therapeutics · 2024

Variable techniques of neuromodulation are used in pDoC.

preclinicalDisorders of ConsciousnesstcVNS

Vagus nerve stimulation: a physical therapy with promising potential for central nervous system disorders

Wang et al. · Frontiers in neurology · 2024

The diseases of the central nervous system (CNS) often cause irreversible damage to the human body and have a poor prognosis, posing a significant threat to human health.

clinical trialDisorders of ConsciousnessiVNS

Transcutaneous auricular vagal nerve stimulation for consciousness recovery in patients with prolonged disorders of consciousness (TAVREC): study protocol for a multicenter, triple-blind, randomized controlled trial in China

Zhou et al. · BMJ open · 2024

We developed a protocol for a randomised controlled study to evaluate the effectiveness of taVNS on consciousness recovery in patients with pDoC (TAVREC).

RCTDisorders of ConsciousnesstaVNS

The efficacy and safety of bilateral synchronous transcutaneous auricular vagus nerve stimulation for prolonged disorders of consciousness: a multicenter, double-blind, stratified, randomized controlled trial protocol

Wang et al. · Frontiers in neurology · 2024

Thereby, we propose a prospective, multicenter, double-blind, stratified, two-arm randomized controlled trial protocol to investigate the efficacy and safety of bilateral synchronous taVNS for treatment of DOC.

RCTDisorders of ConsciousnesstaVNS

Electrical stimulation of the dorsal motor nucleus of the vagus in male mice can regulate inflammation without affecting the heart rate

Falvey et al. · Brain, behavior, and immunity · 2024

Either left or right eDMNS at 500 μA and 250 μA decreased HR, compared with baseline pre-stimulation.

preclinicalSepsisiVNS

Non-invasive Auricular Vagus nerve stimulation for Subarachnoid Hemorrhage (NAVSaH): Protocol for a prospective, triple-blinded, randomized controlled trial

Huguenard et al. · medRxiv : the preprint server for health sciences · 2024

The aim of the Non-invasive Auricular Vagus nerve stimulation for Subarachnoid Hemorrhage (NAVSaH) trial is to translate the use of non-invasive transcutaneous auricular VNS (taVNS) to spontaneous SAH, with our central hypothesis being that implementing taVNS in the acute period following spontan...

RCTSepsistcVNS

Non-invasive Auricular Vagus nerve stimulation for Subarachnoid Hemorrhage (NAVSaH): Protocol for a prospective, triple-blinded, randomized controlled trial

Huguenard et al. · PloS one · 2024

The aim of the Non-invasive Auricular Vagus nerve stimulation for Subarachnoid Hemorrhage (NAVSaH) trial is to translate the use of non-invasive transcutaneous auricular VNS (taVNS) to spontaneous SAH, with our central hypothesis being that implementing taVNS in the acute period following spontan...

RCTSepsistcVNS

Magnetic vagus nerve stimulation ameliorates contrast-induced acute kidney injury by circulating plasma exosomal miR-365-3p

Wu et al. · Journal of nanobiotechnology · 2024

mVNS treatment was found to significantly improve the damaged renal function, including the reduction of elevated serum creatinine (Scr), blood urea nitrogen (BUN), and urinary N-acetyl-β-D-glucosaminidase (NAG) with increased urine output.

preclinicalKidney DiseaseiVNS

Safety profile of abdominal magnetic resonance imaging (MRI) performed for renal disease surveillance in tuberous sclerosis complex patients with vagus nerve stimulation: Safety of MRI for TSC Patients with VNS

Sage et al. · Seizure · 2024

Sixteen patients with 48 total MRIs of the abdomen were found: 34 (71 %) scans were conducted under sedation and 14 (29 %) without sedation.

preclinicalKidney DiseaseiVNS

Anatomic and functional evidence for renal autonomic innervation in normotensive and hypertensive rats

Dai et al. · American journal of physiology. Renal physiology · 2024

Norepinephrine (NE) increased and α-receptor antagonist reduced vascular ring tension of renal arteries.

preclinicalKidney DiseaseiVNS

Transcutaneous auricular vagus nerve stimulation as a potential therapy for attention deficit hyperactivity disorder: modulation of the noradrenergic pathway in the prefrontal lobe

Zhi et al. · Frontiers in neuroscience · 2024

In recent years, transcutaneous auricular vagus nerve stimulation (taVNS), a non-invasive neuromodulation technique, has demonstrated promising potential in the treatment of neurological and psychiatric disorders.

clinical trialADHDtaVNS

Central amygdala is related to the reduction of aggressive behavior by monosodium glutamate ingestion during the period of development in an ADHD model rat

Mustika et al. · Frontiers in nutrition · 2024

The resident intruder test revealed that SHR/Izm rats were the most aggressive among the four strains for all aggression parameters tested.

preclinicalADHDtaVNS

Neuron-Microglia Interaction is Involved in Anti-inflammatory Response by Vagus Nerve Stimulation in the Prefrontal Cortex of Rats Injected with Polyinosinic:Polycytidylic Acid

Kim et al. · Molecular neurobiology · 2024

Neuronal production of fractalkine (CX3CL1) in the PFC was markedly reduced by poly(I:C), but recovered by aVNS.

preclinicalChronic Fatigue SyndrometaVNS

Evidence of bottom-up homeostatic modulation induced taVNS during emotional and Go/No-Go tasks

Camargo et al. · Experimental brain research · 2024

The results demonstrated a significant increase in N2 amplitude in the No-Go condition for the active taVNS post-intervention compared to the sham taVNS after adjusting by handedness, mood, and fatigue levels (p = 0.046), significantly reduced ERD during sad conditions after treatment (p = 0.037)...

RCTChronic Fatigue SyndrometaVNS

Vagus nerve stimulation: Novel concept for the treatment of glioblastoma and solid cancers by cytokine (interleukin-6) reduction, attenuating the SASP, enhancing tumor immunity

Brem · Brain, behavior, & immunity - health · 2024

Genomic analysis of the senescence-associated secretory phenotype (SASP) and preclinical models of glioma suggest that an exciting approach would entail reprogramming of the glioma microenvironment, attenuating the pro-inflammatory, pro-tumorigenic cytokines of the SASP, especially interleukin-6 ...

preclinicalCancer SupporttaVNS

Vagus nerve stimulation rescues persistent pain following orthopedic surgery in adult mice

Wu et al. · Pain · 2024

Postoperative pain is a major clinical problem imposing a significant burden on patients and society.

preclinicalCancer SupporttaVNS

Analgesic Effect of Auricular Vagus Nerve Stimulation on Oxaliplatin-induced Peripheral Neuropathic Pain in a Rodent Model

Baek et al. · Experimental neurobiology · 2024

Immunohistochemistry analysis demonstrated increased c-Fos expression in the locus coeruleus (LC) in the brain of CIPN rats treated with aVNS compared to sham treatment.

preclinicalCancer SupporttcVNS

Transcutaneous Auricular Vagal Nerve Stimulation Is Effective for the Treatment of Functional Dyspepsia: A Multicenter, Randomized Controlled Study

Shi et al. · The American journal of gastroenterology · 2024

A total of 300 patients were randomized to V10 (n = 101), V25 (n = 99), and sham groups (n = 100).

RCTCancer SupporttaVNS
n = 300 subjects

Effects of a single session of noninvasive auricular vagus nerve stimulation on sports performance in elite athletes: an open-label randomized controlled trial

Çalι et al. · Expert review of medical devices · 2024

It was ascertained that the differences in heart rate (-0.73 pulse/min, p = 0.032) and modified Star Balance Test scores (anterior 2.72 cm, p = 0.000, posterolateral 3.65 cm, p = 0.000 and posteromedial 2.43 cm, p = 0.000) before and after AVNS were significant in subjects in the experimental group.

RCTSports RecoverytcVNS

Stimulatory effect of methylglyoxal on capsaicin-sensitive lung vagal afferents in rats: role of TRPA1

Lin et al. · American journal of physiology. Regulatory, integrative and comparative physiology · 2024

Our results showed that intravenous injection of MG (25 mg/kg, MG25) in anesthetized, spontaneously breathing rats elicited pulmonary chemoreflexes characterized by apnea, bradycardia, and hypotension.

preclinicalRespiratorytcVNS

The efficacy and safety of transcutaneous auricular vagus nerve stimulation in the treatment of depressive disorder: a systematic review and meta-analysis of randomized controlled trials

Tan et al. · Journal of Affective Disorders · 2023

Pooled analysis of RCTs found that taVNS significantly reduced depression scores compared to sham stimulation, with moderate effect sizes and fewer side effects than antidepressants.

meta-analysisDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation (ta-VNS) for treatment of drug-resistant epilepsy: a randomized, double-blind clinical trial

Yang et al. · Neurotherapeutics · 2023

At 20 weeks, the responder rate and relative seizure frequency reduction were significantly higher in the active taVNS group compared to controls, supporting non-invasive VNS for drug-resistant epilepsy.

RCTEpilepsytaVNS
n = 150 subjects

Effect of transcutaneous cervical vagus nerve stimulation on declarative and working memory in patients with Posttraumatic Stress Disorder (PTSD): A pilot study

Choudhary et al. · Journal of Affective Disorders · 2023

Active tcVNS produced a 91% increase in paragraph recall performance by two months, suggesting VNS may improve declarative memory deficits associated with PTSD.

pilotPTSDtcVNS
n = 15 subjects

Vagus Nerve Stimulation Paired With Rehabilitation for Upper Limb Motor Impairment After Chronic Ischemic Stroke: Subgroup Analysis of the VNS-REHAB Trial

Dawson et al. · Neurorehabilitation and Neural Repair · 2023

VNS paired with rehabilitation showed consistent benefits across all patient subgroups, with treatment effects similar regardless of age, stroke duration, severity, or other demographic factors.

RCTStroke RehabilitationiVNS
n = 108 subjects

Autonomic regulation therapy in chronic heart failure with preserved/mildly reduced ejection fraction: ANTHEM-HFpEF study results

Kumar et al. · International Journal of Cardiology · 2023

At 12 months, chronic VNS improved NYHA class, 6-minute walk distance, quality of life, and autonomic tone in HFpEF/HFmrEF patients, though mechanical cardiac function measures remained unchanged.

clinical trialHeart FailureiVNS
n = 52 subjects

Anti-neuroinflammation effects of transcutaneous auricular vagus nerve stimulation against depression-like behaviors via hypothalamic α7nAchR/JAK2/STAT3/NF-κB pathway in rats exposed to chronic unpredictable mild stress

Chen et al. · CNS neuroscience & therapeutics · 2023

Depression-like behaviors in CUMS-exposed rats were manifested by decreased SPT ratio, increased FST immobility time, decreased total distance, vertical movement score, and activity time of OFT.

preclinicalDepressiontaVNS

Role of Vagus Nerve Stimulation in the Treatment of Chronic Pain

Shao et al. · Neuroimmunomodulation · 2023

We further discuss potential underlying mechanisms for VNS to inhibit chronic pain.

preclinicalDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation as a potential novel treatment for polycystic ovary syndrome

Zhang et al. · Scientific reports · 2023

Recently, an imbalanced autonomic nervous system (ANS) with sympathetic hyperactivity and reduced parasympathetic nerve activity (vagal tone) has aroused increasing attention in the pathogenesis of PCOS.

narrative reviewDepressiontaVNS

Treatment-Resistant Late-Life Depression: A Review of Clinical Features, Neuropsychology, Neurobiology, and Treatment

Subramanian et al. · The Psychiatric clinics of North America · 2023

This article serves as an evidence-based guide for medical practitioners who encounter TRLLD in their practice.

narrative reviewDepressioniVNS

Novel and emerging treatments for major depression

Marwaha et al. · Lancet (London, England) · 2023

In this Review, we assess novel and emerging biological treatments for major depressive disorder, evaluate their putative brain and body mechanisms, and highlight how close each might be to clinical use.

clinical trialDepressioniVNS

Vagus Nerve Stimulation in Treatment-Resistant Depression: A Case Series of Long-Term Follow-up

Pigato et al. · The journal of ECT · 2023

The VNS implant was associated with a sustained response (>10 years) in terms of clinical response and social, occupational, and psychological functioning in 3 patients.

clinical trialDepressioniVNS
n = 5 subjects

Transauricular vagus nerve stimulation for patients with disorders of consciousness: A randomized controlled clinical trial

Zhou et al. · Frontiers in neurology · 2023

Ultimately, 57 patients completed the study: 28 patients underwent active tVNS and 29 patients underwent sham tVNS.

RCTEpilepsytaVNS
n = 57 subjects

Clinical Benefit of Vagus Nerve Stimulation for Epilepsy: Assessment of Randomized Controlled Trials and Prospective Non-Randomized Studies

Cramer et al. · Journal of central nervous system disease · 2023

To provide an assessment of how the risks and benefits of VNS impact the patient experience, 1 study assessed the well-being of enrolled patients (as a secondary end point) and found VNS was associated with an overall improvement in well-being.

RCTEpilepsyiVNS

Neurostimulation in generalized epilepsy: A systematic review and meta-analysis

Haneef et al. · Epilepsia · 2023

Sufficient data for meta-analysis were available from seven studies for VNS (n = 510) and nine studies for DBS (n = 87).

meta-analysisEpilepsyiVNS
n = 510 subjects

Randomized trial of transcutaneous auricular vagus nerve stimulation on patients with disorders of consciousness: A study protocol

Cheng et al. · Frontiers in neurology · 2023

This study attempts to investigate the effectiveness of taVNS in DoC by means of Coma Recovery Scale-Revised (CRS-R), Magnetic resonance imaging (MRI), Electrophysiology (EEG), and Single-molecular array (Simoa).

RCTEpilepsytaVNS

Effectiveness of vagus nerve stimulation for drug-resistant generalized epilepsy in children aged six and younger

Lyu et al. · Neuro-Chirurgie · 2023

To explore a novel scoring system to evaluate the efficacy of vagus nerve stimulation (VNS) in children with drug-resistant generalized epilepsy (DRGE) aged six and younger.

long-term studyEpilepsyiVNS

Comparison of long-term survival with continued medical therapy, vagus nerve stimulation, and cranial epilepsy surgery in paediatric patients with drug-resistant epilepsy in the USA: an observational cohort study

Zhang et al. · The Lancet. Child & adolescent health · 2023

This study included 10 240 patients treated with antiseizure medications only, 5019 patients treated with antiseizure medications plus VNS, and 3033 patients treated with antiseizure medications plus cranial epilepsy surgery.

cohortEpilepsyiVNS
n = 240 subjects

Transcutaneous electrical stimulation of auricular branch of the vagus nerve effectively and rapidly modulates the EEG patterns in patients with possible electrographic status epilepticus

Sarma et al. · Epileptic disorders : international epilepsy journal with videotape · 2023

The duration of status epilepticus at the time of inclusion of Patients 1, 2, and 3 was 6 weeks, 7 days, and 5 days respectively.

clinical trialEpilepsytaVNS

Transcutaneous Vagus Nerve Stimulation for Insomnia in People Living in Places or Cities with High Altitudes: A Randomized Controlled Trial

Zhang et al. · Brain sciences · 2023

Patients' PSQI, ISI, and GAD-7 scale scores significantly decreased after 4 weeks of tVNS treatment and were greater than those of the control group.

RCTAnxietytaVNS

Therapeutic effect of implanted and non-invasive vagus nerve stimulation on heroin-induced anxiety

Yue et al. · Biochemical and biophysical research communications · 2023

Both nVNS and taVNS significantly increased the expression of c-Fos in the nucleus of solitary tract, suggesting the feasibility of nVNS and taVNS.

clinical trialAnxietytaVNS

The Effects of Transcutaneous Vagus Nerve Stimulation on Functional Connectivity Within Semantic and Hippocampal Networks in Mild Cognitive Impairment

Murphy et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023

Neuropathological data suggest that the locus coeruleus may be an early site of tau pathology in AD.

clinical trialAnxietytaVNS
n = 25 subjects

Impact of transcutaneous vagus nerve stimulation on healthy cognitive and brain aging

Trifilio et al. · Frontiers in neuroscience · 2023

In this review, we characterize the possible mechanisms by which non-invasive VNS may promote healthy aging (e.g., neurotransmitter effects, inflammation regulation, functional connectivity changes), special considerations for applying non-invasive VNS in an older adult population (e.g., vagus ne...

clinical trialAnxietytaVNS

Noninvasive vagus nerve stimulation for migraine: a systematic review and meta-analysis of randomized controlled trials

Song et al. · Frontiers in neurology · 2023

Meta-analysis shows that non-invasive cervical vagus nerve stimulation (n-cVNS) significantly impacted ≥50% responder rate (OR, 1.64; 95% CI, 1.1 to 2.47; p = 0.02), but had no significant effect on reducing migraine days (MD, -0.46; 95% CI, -1.21 to 0.29; p = 0.23) and headache days (MD, -0.68; ...

meta-analysisMigraineiVNS

The modulation effects of repeated transcutaneous auricular vagus nerve stimulation on the functional connectivity of key brainstem regions along the vagus nerve pathway in migraine patients

Huang et al. · Frontiers in molecular neuroscience · 2023

59 patients (real group: n = 33; sham group: n = 29) completed two fMRI scan sessions.

RCTMigrainetaVNS
n = 59 subjects

Evaluation of the Modulation Effects Evoked by Different Transcutaneous Auricular Vagus Nerve Stimulation Frequencies Along the Central Vagus Nerve Pathway in Migraine: A Functional Magnetic Resonance Imaging Study

Sacca et al. · Neuromodulation : journal of the International Neuromodulation Society · 2023

Static FC (sFC) analysis showed that 1) continuous 1-Hz taVNS resulted in an increase of NTS/LC-occipital cortex sFC and a decrease of NTS-thalamus sFC compared with the pre-1-Hz taVNS resting state, 2) continuous 20-Hz taVNS resulted in an increase of the LC-anterior cingulate cortex (ACC) sFC c...

RCTMigrainetaVNS

Effects of non-invasive vagus nerve stimulation on clinical symptoms and molecular biomarkers in Parkinson's disease

Mondal et al. · Frontiers in aging neuroscience · 2023

Significant improvements in key gait parameters (speed, stance time and step length) were observed with active nVNS.

RCTMigraineiVNS

European Academy of Neurology guidelines on the treatment of cluster headache

May et al. · European journal of neurology · 2023

This work presents evidence-based recommendations for the treatment of cluster headache derived from a systematic review of the literature and consensus among a panel of experts.

systematic reviewCluster HeadachetcVNS

Management of cluster headache: Treatments and their mechanisms

Peng et al. · Cephalalgia : an international journal of headache · 2023

Cluster headache is treated with acute treatments, bridge treatments, and preventive treatments.

RCTCluster HeadachetcVNS

Effects of Non-Invasive Neuromodulation of the Vagus Nerve for the Management of Cluster Headache: A Systematic Review

Fernández-Hernando et al. · Journal of clinical medicine · 2023

The search provided 1003 articles, with three clinical trials being eligible for inclusion in the review.

systematic reviewCluster HeadachetcVNS

An open-label observational study and meta-analysis of non-invasive vagus nerve stimulation in medically refractory chronic cluster headache

Simmonds et al. · Frontiers in neurology · 2023

17/40 patients (43%) achieved ≥50% reduction in attack frequency at 3  months.

meta-analysisCluster HeadacheiVNS
n = 40 subjects

Transcutaneous auricular vagus nerve stimulation reduces cytokine production in sepsis: An open double-blind, sham-controlled, pilot study

Wu et al. · Brain stimulation · 2023

TaVNS was well tolerated in the study population.

pilotInflammationtaVNS

Transcutaneous vagus nerve stimulation attenuates autoantibody-mediated cardiovagal dysfunction and inflammation in a rabbit model of postural tachycardia syndrome

Deng et al. · Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2023

Compared to preimmune state, an enhanced heart rate increase and decreased parasympathetic activity upon tilting were observed in immunized rabbits.

preclinicalInflammationtaVNS

The brain-liver cholinergic anti-inflammatory pathway and viral infections

Martínez-Meza et al. · Bioelectronic medicine · 2023

Next, we explore mechanisms by which the VN is perturbed by viral infections, and how non-invasive restoration of cholinergic signaling pathways with bioelectronic medicine (BEM) might ameliorate hepatic inflammation and neuroinflammation in certain viral infections.

preclinicalInflammationiVNS

Pharmacological and Electroceutical Targeting of the Cholinergic Anti-Inflammatory Pathway in Autoimmune Diseases

Zouali · Pharmaceuticals (Basel, Switzerland) · 2023

In the future, these new approaches could represent a major therapeutic strategy for autoimmune and inflammatory diseases.

preclinicalInflammationiVNS

The cholinergic anti-inflammatory pathway inhibits inflammation without lymphocyte relay

Simon et al. · Frontiers in neuroscience · 2023

Using four conscious, non-lymphopenic transgenic mouse models, we found that, rather than acting on CD4+ T-cells, NA released by splenic nerve terminals acts directly onto β2-AR on splenic myeloid cells to exert this anti-inflammatory effect.

preclinicalInflammationiVNS

Cholinergic anti-inflammatory pathway mediates diesel exhaust PM

Xie et al. · Journal of hazardous materials · 2023

A wide range of research has demonstrated that PM2.5 exposure may induce various negative health effects via pulmonary and systemic inflammations.

preclinicalInflammationiVNS

Vagus Nerve Stimulation and Inflammation in Cardiovascular Disease: A State-of-the-Art Review

Bazoukis et al. · Journal of the American Heart Association · 2023

Vagus nerve stimulation (VNS) has been found to exert anti-inflammatory effects in different clinical settings and has been associated with improvement of clinical outcomes.

preclinicalHeart HealthtaVNS

Vagus Nerve Stimulation and Its Cardioprotective Abilities: A Systematic Review

Elamin et al. · Journal of clinical medicine · 2023

However, continued research is needed for further insight.

systematic reviewHeart HealthtaVNS

Insights Into the Effects of Low-Level Vagus Nerve Stimulation on Atrial Electrophysiology: Towards Patient-Tailored Cardiac Neuromodulation

Kharbanda et al. · JACC. Clinical electrophysiology · 2023

A total of 10 patients (median age 74 years [IQR: 69-78 years]) underwent tLLVNS for a duration of 56 minutes (IQR: 43-73 minutes).

preclinicalHeart HealthtaVNS
n = 10 subjects

Vagus Nerve Stimulation in Ischemic Stroke

Andalib et al. · Current neurology and neuroscience reports · 2023

This review discusses the evidence supporting VNS as a treatment option for ischemic stroke and elucidates its underlying mechanisms.

narrative reviewStroke RehabilitationiVNS

Motor Activated Auricular Vagus Nerve Stimulation as a Potential Neuromodulation Approach for Post-Stroke Motor Rehabilitation: A Pilot Study

Badran et al. · Neurorehabilitation and neural repair · 2023

A total of 16 individuals completed the trial, and both MAAVNS (n = 9) and unpaired taVNS (n = 7) demonstrated improved Fugl-Meyer Assessment upper extremity scores (Mean ± SEM, MAAVNS: 5.00 ± 1.02, unpaired taVNS: 3.14 ± 0.63).

pilotStroke RehabilitationtaVNS
n = 16 subjects

Stroke Rehabilitation and Motor Recovery

O'Dell · Continuum (Minneapolis, Minn.) · 2023

This article reviews the rehabilitative principles and strategies that can be used to maximize post-stroke recovery.

preclinicalStroke RehabilitationiVNS

Effect of transcutaneous auricular vagus nerve stimulation on post-stroke dysphagia

Wang et al. · Journal of neurology · 2023

After treatment, ta-VNS group statistically and clinically had larger change of MASA, FCM, and RAS scores compared with control group (P < 0.05) and this improvement continued at least 4 weeks after the end of treatment.

RCTStroke RehabilitationtaVNS

Vagus nerve stimulation paired with rehabilitation for motor function, mental health and activities of daily living after stroke: a systematic review and meta-analysis

Gao et al. · Journal of neurology, neurosurgery, and psychiatry · 2023

Seven RCTs involving 263 (analysed) participants was included.

meta-analysisStroke RehabilitationiVNS

Efficacy and Safety of Vagus Nerve Stimulation in Stroke Rehabilitation: A Systematic Review and Meta-Analysis

Ananda et al. · Cerebrovascular diseases (Basel, Switzerland) · 2023

Seven RCTs (n = 236 subjects) met the eligibility criteria.

meta-analysisStroke RehabilitationiVNS
n = 236 subjects

Vagus nerve stimulation is a potential treatment for ischemic stroke

Liu et al. · Neural regeneration research · 2023

We found that vagus nerve stimulation caused a shift from a pro-inflammatory phenotype to a regulatory phenotype in microglia in the ischemic penumbra.

preclinicalStroke RehabilitationiVNS

Transcutaneous auricular vagus nerve stimulation on upper limb motor function with stroke: a functional near-infrared spectroscopy pilot study

Wang et al. · Frontiers in neuroscience · 2023

In patients exhibiting left-side hemiplegia, there was a notable increase in activation within the pre-motor and supplementary motor cortex (PMC-SMC) of the unaffected hemisphere as well as in the left Broca area.

pilotStroke RehabilitationtaVNS

Non-invasive Brain Stimulation Techniques for the Improvement of Upper Limb Motor Function and Performance in Activities of Daily Living After Stroke: A Systematic Review and Network Meta-analysis

Ahmed et al. · Archives of physical medicine and rehabilitation · 2023

Evidence suggests that excitatory stimulation protocols are the most promising intervention in improving upper limb motor function and performance in ADLs.

meta-analysisStroke RehabilitationtaVNS

Application of vagus nerve stimulation on the rehabilitation of upper limb dysfunction after stroke: a systematic review and meta-analysis

Wang et al. · Frontiers in neurology · 2023

Ten trials (VNS combined with rehabilitation group vs.

meta-analysisStroke RehabilitationiVNS
n = 335 subjects

Clinical Research Progress of the Post-Stroke Upper Limb Motor Function Improvement via Transcutaneous Auricular Vagus Nerve Stimulation

Shi et al. · Neural plasticity · 2023

We further summarize the application of taVNS in improving post-stroke upper limb motor function to further promote the clinical research and application of taVNS in the rehabilitation of post-stroke upper limb motor dysfunction.

narrative reviewStroke RehabilitationtaVNS

Effects and safety of vagus nerve stimulation on upper limb function in patients with stroke: a systematic review and meta-analysis

Abdullahi et al. · Scientific reports · 2023

The results showed that invasive (MD 2.66, 95% CI 1.19-4.13, P = 0.0004) and non-invasive (MD 24.16, 95% CI 23.56-24.75, P = 0.00001) VNS are superior at improving level of motor impairment than the control post intervention and at follow-up respectively.

meta-analysisStroke RehabilitationiVNS

Vagus Nerve Stimulation Paired With Upper-Limb Rehabilitation After Stroke: 2- and 3-Year Follow-up From the Pilot Study

Francisco et al. · Archives of physical medicine and rehabilitation · 2023

One year after Paired VNS therapy, FMA-UE improved by an average of 9.2±8.2 points, as previously reported.

pilotStroke RehabilitationiVNS
n = 14 subjects

Transcutaneous auricular vagus nerve stimulation for the treatment of primary dysmenorrhea: A pilot study

Wang et al. · Brain stimulation · 2023

Study examining pain using taVNS.

pilotPaintaVNS

Neuroimmune Modulation Through Vagus Nerve Stimulation Reduces Inflammatory Activity in Crohn's Disease Patients: A Prospective Open-label Study

D'Haens et al. · Journal of Crohn's & colitis · 2023

There was a statistically significant and clinically meaningful decrease in CD Activity Index at Week 16 [mean ± SD: -86.2 ± 92.8, p = 0.003], a significant decrease in faecal calprotectin [-2923 ± 4104, p = 0.015], a decrease in mucosal inflammation in 11/15 patients with paired endoscopies [-2....

clinical trialGut HealthiVNS
n = 15 subjects

Targeting the Vagus Nerve to Treat Inflammatory Bowel Disease?

Bonaz et al. · Journal of Crohn's & colitis · 2023

Study examining gut health using iVNS.

clinical trialGut HealthiVNS

Vagus Nerve Stimulation and Sacral Nerve Stimulation for Inflammatory Bowel Disease: A Systematic Review

Pikov · Journal of translational gastroenterology · 2023

Our analysis encompassed five clinical studies, three on VNS and two on SNS.

systematic reviewGut HealthtaVNS

Transcutaneous auricular vagus nerve stimulation attenuates inflammatory bowel disease in children: a proof-of-concept clinical trial

Sahn et al. · Bioelectronic medicine · 2023

Twenty-two subjects were enrolled and analyzed (10 CD, 12 UC).

preclinicalGut HealthtaVNS
n = 12 subjects

Noninvasive electrical neuromodulation for gastrointestinal motility disorders

Yin et al. · Expert review of gastroenterology & hepatology · 2023

noninvasive electrical neuromodulation is an emerging therapy for treating various gastrointestinal motility disorders.

RCTGut HealthtcVNS

Transcutaneous electrical stimulation for gastrointestinal motility disorders

Song et al. · Neurogastroenterology and motility · 2023

It has been shown to be beneficial in treating GI motility disorders.

RCTGut HealthtaVNS

Vagus Nerve Stimulation Relives Irritable Bowel Syndrome and the Associated Depression via α7nAChR-mediated Anti-inflammatory Pathway

Yan et al. · Neuroscience · 2023

AA-CAS treatment resulted in abnormal fecal output, increased visceral sensitivity, depressive-like behaviors, and overexpression of inflammatory mediators, all of which were reversed by VNS treatment.

RCTGut HealthtaVNS

Impact of auricular percutaneous electrical nerve field stimulation on gut microbiome in adolescents with irritable bowel syndrome: A pilot study

Bora et al. · Journal of digestive diseases · 2023

Twenty females aged 15.6 ± 1.62 years were included.

pilotGut HealthtaVNS

The Importance of Visceral Hypersensitivity in Irritable Bowel Syndrome-Plant Metabolites in IBS Treatment

Dudzińska et al. · Pharmaceuticals (Basel, Switzerland) · 2023

Therefore, it seems reasonable to conclude that a two-way action through stimulating the VN and using nutraceuticals may become an effective therapy in treating IBS.

RCTGut HealthtaVNS

Non-invasive neuromodulation: an emerging intervention for visceral pain in gastrointestinal disorders

Alam et al. · Bioelectronic medicine · 2023

In conclusion, the emerging field of noninvasive neuromodulation appears as a viable alternative therapeutic avenue for effectively managing visceral pain in GI disorders.

RCTGut HealthtcVNS

Application of Vagus Nerve Stimulation in Spinal Cord Injury Rehabilitation

Fallahi et al. · World neurosurgery · 2023

Spinal cord injury (SCI) is a prevalent devastating condition causing significant morbidity and mortality, especially in developing countries.

preclinicalGut HealthtaVNS

Brain stimulation techniques as novel treatment options for insomnia: A systematic review

Krone et al. · Journal of sleep research · 2023

A forehead cooling study found no significant group differences in the primary endpoints, but better sleep initiation in the active condition.

systematic reviewSleeptaVNS
n = 967 subjects

Meniere Disease treated with transcutaneous auricular vagus nerve stimulation combined with betahistine Mesylate: A randomized controlled trial

Wu et al. · Brain stimulation · 2023

After 12 weeks, the THI (-11.00, 95%CI, -14.87 to -7.13; P < 0.001), DHI (-47.26, 95%CI, -50.23 to -44.29; P < 0.001), VAS of aural fullness (-2.22, 95%CI, -2.95 to -1.49; P<0.01), and Pure Tone Thresholds (-7.07, 95%CI, -9.07 to -5.06; P<0.001) were significantly differed between the two groups.

RCTTinnitustaVNS

Effects of Non-Invasive Neuromodulation of the Vagus Nerve for Management of Tinnitus: A Systematic Review with Meta-Analysis

Fernández-Hernando et al. · Journal of clinical medicine · 2023

The search identified 183 articles with five clinical trials eligible for inclusion in the review and four for the meta-analysis.

meta-analysisTinnitustcVNS

Effects of transcutaneous auricular vagus nerve stimulation paired with tones on electrophysiological markers of auditory perception

Rufener et al. · Brain stimulation · 2023

From pre to post pairing, we observed a decrease in the N1 amplitude and in theta power to tones paired with sham taVNS while these electrophysiological measures remained stable for tones paired with active taVNS a pattern mirroring auditory sensory processing of novel, unpaired control tones.

clinical trialTinnitustaVNS

Potential value of neuroimmunotherapy for COVID-19: efficacies and mechanisms of vagus nerve stimulation, electroacupuncture, and cholinergic drugs

Yu et al. · Frontiers in immunology · 2023

An increasing number of animal and clinical studies have shown that neuromodulation has a significant effect on reducing inflammatory markers of COVID-19, thus exerting an effective neuroimmunotherapeutic value.

preclinicalLong COVIDtaVNS

Auricular vagus nerve stimulation: a new option to treat inflammation in COVID-19?

Sant'Anna et al. · Revista da Associacao Medica Brasileira (1992) · 2023

Study examining long covid using taVNS.

clinical trialLong COVIDtaVNS

Vagal nerve stimulation for headache

Venkatakrishnan et al. · Current opinion in neurology · 2023

This review aims at describing findings of recent literature pertaining to VNS for headache, to put these findings into the perspective of our current fund of knowledge and future scope of work on the topic.

preclinicalLong COVIDtaVNS

Randomized controlled study to evaluate the safety and clinical impact of percutaneous auricular vagus nerve stimulation in patients with severe COVID-19

Seitz et al. · Frontiers in physiology · 2023

No side effects in aVNS were reported, especially no significant pain at device placement or during stimulation at the stimulation site or significant headache or bleeding after or during device placement or lasting skin irritation.

RCTLong COVIDtaVNS
n = 12 subjects

A Prospect to Ameliorate Affective Symptoms and to Enhance Cognition in Long COVID Using Auricular Transcutaneous Vagus Nerve Stimulation

Colzato et al. · Journal of clinical medicine · 2023

Given that atVNS can be employed as an ecological momentary intervention (EMI), we outline the translational advantages of atVNS in the context of accelerating the cognitive and affective recovery from long COVID.

preclinicalLong COVIDtaVNS

The effects of targeted vagus nerve stimulation on glucose homeostasis in STZ-induced diabetic rodents

Dirr et al. · Frontiers in neuroscience · 2023

We found increased changes in the rate of blood glucose change during stimulation which subsided after stimulation ended paired with increased concentration of circulating insulin.

preclinicalMetaboliciVNS

Stimulation parameters for directional vagus nerve stimulation

Villalobos et al. · Bioelectronic medicine · 2023

During application of blocking at lower frequencies (≤ 4 kHz), the ECAP threshold increased (ANOVA, p < 0.001) and saturation level decreased (p < 0.001).

preclinicalMetabolictaVNS

Combining Celiac and Hepatic Vagus Nerve Neuromodulation Reverses Glucose Intolerance and Improves Glycemic Control in Pre- and Overt-Type 2 Diabetes Mellitus

Waataja et al. · Biomedicines · 2023

The present study demonstrated that the neuromodulation reversed glucose intolerance in alloxan-treated swine in both pre- and overt stages of T2DM.

clinical trialMetabolictaVNS

A multivariate physiological model of vagus nerve signalling during metabolic challenges in anaesthetised rats for diabetes treatment

Güemes Gonzalez et al. · Journal of neural engineering · 2023

The decoding methodology involved various techniques, including continuous wavelet transformation, extraction of breathing rate (BR), and correlation of neural metrics with physiological signals.Main results.Decrease in glucose level was consistently negatively correlated with an increase in the ...

cohortMetaboliciVNS

[Mechanism of melatonin-mediated antihyperglycemic effect of transcutaneous auricular vagus nerve stimulation]

Zhang et al. · Zhen ci yan jiu = Acupuncture research · 2023

Compared with the blank control group, the level of FBG of rats were increased (P<0.01), the plasma MLT content was decreased (P<0.01) and the insulin receptor expression level in the pancreatic tissue was decreased (P<0.01) in the model group.

preclinicalMetabolictaVNS

A review of combined neuromodulation and physical therapy interventions for enhanced neurorehabilitation

Evancho et al. · Frontiers in human neuroscience · 2023

We highlight areas needing further research and suggest avenues for future investigation, aiming to enhance the personalization of the unique neuroplastic responses associated with each condition.

preclinicalNeuroplasticitytcVNS

Vagus nerve stimulation: mechanisms and factors involved in memory enhancement

Olsen et al. · Frontiers in human neuroscience · 2023

Along with neurological and psychiatric indications, clinical and preclinical studies suggest that VNS can improve memory.

preclinicalCognitive FunctiontaVNS

Auricular Transcutaneous Vagus Nerve Stimulation Specifically Enhances Working Memory Gate Closing Mechanism: A System Neurophysiological Study

Konjusha et al. · The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023

Neurobiological considerations suggest that the catecholaminergic and the GABAergic are likely involved in these dynamics.

preclinicalCognitive FunctiontaVNS

The effect of non-invasive vagus nerve stimulation on memory recall in reading: A pilot study

Thakkar et al. · Behavioural brain research · 2023

A growing body of research suggests that non-invasive transcutaneous stimulation of the auricular vagus nerve (taVNS) may drive neural plasticity for low-level reading skills such as speech sound perception and letter-sound learning, but it is unknown whether taVNS can improve higher level skills...

pilotCognitive FunctiontaVNS

Transcutaneous auricular vagus nerve stimulation improves gait and cortical activity in Parkinson's disease: A pilot randomized study

Zhang et al. · CNS neuroscience & therapeutics · 2023

PD patients showed instable gait with insufficient range of motion during usual walking.

RCTParkinson's DiseasetaVNS

Continuous vagus nerve stimulation exerts beneficial effects on rats with experimentally induced Parkinson's disease: Evidence suggesting involvement of a vagal afferent pathway

Hosomoto et al. · Brain stimulation · 2023

Intact VNS and afferent VNS reduced the behavioral impairments in cylinder test and methamphetamine-induced rotation test, which were accompanied by reduced inflammatory glial cells in substantia nigra with the increased density of the rate limiting enzyme in locus coeruleus.

preclinicalParkinson's DiseasetaVNS

Safety and tolerability of adjunct non-invasive vagus nerve stimulation in people with parkinson's: a study protocol

Sigurdsson et al. · BMC neurology · 2023

Recent theories suggest that symptoms of PD may arise due to spread of Lewy-body pathology where the process begins in the gut and propagate transynaptically via the vagus nerve to the central nervous system.

clinical trialParkinson's DiseaseiVNS

Multi-session transcutaneous auricular vagus nerve stimulation for Parkinson's disease: evaluating feasibility, safety, and preliminary efficacy

Lench et al. · Frontiers in neurology · 2023

taVNS treatment was feasible, however, daily in-office visits were reported as being burdensome for participants.

preclinicalParkinson's DiseasetaVNS

Vagus Nerve Stimulation Modulates Phase-Amplitude Coupling in Thalamic Local Field Potentials

Warsi et al. · Neuromodulation : journal of the International Neuromodulation Society · 2023

Active VNS was associated with increased PAC between theta, alpha, and beta phase and gamma amplitude in CM (q < 0.05).

clinical trialParkinson's DiseasetaVNS

A Randomized, Double-Blind, Sham-Controlled, Clinical Trial of Auricular Vagus Nerve Stimulation for the Treatment of Active Rheumatoid Arthritis

Baker et al. · Arthritis & rheumatology (Hoboken, N.J.) · 2023

A total of 113 patients (mean age 54 years; 82% female) enrolled, and 101 patients (89.4%) completed week 12.

RCTRheumatoid ArthritisiVNS
n = 113 subjects

Is There a Role for Vagal Nerve Stimulation in the Treatment of Rheumatoid Arthritis?

Fleischmann · Arthritis & rheumatology (Hoboken, N.J.) · 2023

Study examining rheumatoid arthritis using iVNS.

clinical trialRheumatoid ArthritisiVNS

[Stimulation of the vagus nerve as a therapeutic principle. German Version]

Seifert et al. · Zeitschrift fur Rheumatologie · 2023

Many studies have demonstrated that chronic inflammatory diseases are associated with reduced parasympathetic and increased sympathetic activities.

preclinicalRheumatoid ArthritisiVNS

Transcutaneous Auricular Vagus Nerve Stimulation in Pediatric Patients: A Systematic Review of Clinical Treatment Protocols and Stimulation Parameters

Sigrist et al. · Neuromodulation : journal of the International Neuromodulation Society · 2023

We identified a total of 15 publications (four study protocols) and 15 registered trials applying tVNS in pediatric patients (<18 years of age).

systematic reviewSafetytaVNS

Efficacy and safety of vagus nerve stimulation on upper extremity motor function in patients with stroke: A meta-analysis of randomized controlled trials

Wei et al. · NeuroRehabilitation · 2023

Eight RCTs involving 266 patients were analyzed, of which five used direct VNS and three transcutaneous auricular VNS.

meta-analysisSafetytaVNS
n = 266 subjects

[Effect of transcutaneous auricular vagus nerve stimulation on functional connectivity in the related brain regions of patients with depression based on the resting-state fMRI]

Ma et al. · Zhongguo zhen jiu = Chinese acupuncture & moxibustion · 2023

The scores of HAMD and HAMA in the depression group were all higher than those in the normal group (P<0.05).

clinical trialNeuroimagingtaVNS

Acceleration of postoperative recovery with brief intraoperative vagal nerve stimulation mediated

Maisiyiti et al. · Frontiers in neuroscience · 2023

(1) iVNS shortened initiate times to water and food intake (p = 0.004) and increased the number of fecal pellets (p < 0.05, vs.

preclinicalPostoperative RecoveryiVNS

Anti-inflammatory effects of vagus nerve stimulation in pediatric patients with epilepsy

Kaur et al. · Frontiers in immunology · 2023

The analysis showed downregulation of genes related to stress, inflammatory response, and immunity, suggesting an anti-inflammatory effect of VNS in epilepsy patients.

clinical trialMultiple SclerosistaVNS

Effect of non-invasive transcutaneous auricular vagus nerve stimulation on cerebral motor excitability-Study protocol for a randomized, sham controlled trial

Herr et al. · Frontiers in neurology · 2023

All investigations performed in the study were reviewed and approved by the local ethics committee of the University Medical Center Greifswald (study reference number: BB048/22).

RCTMultiple SclerosistaVNS
n = 30 subjects

Non-Invasive Vagus Nerve Stimulation Improves Brain Lesion Volume and Neurobehavioral Outcomes in a Rat Model of Traumatic Brain Injury

Divani et al. · Journal of neurotrauma · 2023

The lesion volume for the higher dose nVNS group was significantly smaller than either the lower dose nVNS or the control groups on days 1 and 7 post-injury.

preclinicalTraumatic Brain InjuryiVNS

Exploring the potential of vagus nerve stimulation in treating brain diseases: a review of immunologic benefits and neuroprotective efficacy

Jin et al. · European journal of medical research · 2023

Recent studies have found that VNS can inhibit inflammation, promote neuroprotection, help maintain the integrity of the blood-brain barrier, have multisystemic modulatory effects, and even transmit signals from the gut flora to the brain.

narrative reviewTraumatic Brain InjuryiVNS

Electrical stimulation methods and protocols for the treatment of traumatic brain injury: a critical review of preclinical research

Ziesel et al. · Journal of neuroengineering and rehabilitation · 2023

Studies with animal models address these questions and investigate beneficial long- and short-term changes mediated by these novel modalities.

preclinicalTraumatic Brain InjuryiVNS

Comparing vagus nerve stimulation and resective surgery outcomes in patients with co-occurring autism and epilepsy to patients with epilepsy alone: A population-based study

Subramaniam et al. · Autism research : official journal of the International Society for Autism Research · 2023

Compared to patients with epilepsy alone, patients with autism and epilepsy who underwent either surgery showed no differences for in-hospital mortality, discharge status, mean LOS, hospitalization cost, and surgical/medical complications.

clinical trialAutismtaVNS

How to fail with paired VNS therapy

Hays et al. · Brain stimulation · 2023

In particular, the delivery of VNS paired with training to promote neural changes has demonstrated clinical success for stroke recovery and found far-reaching application in other domains, from autism to psychiatric disorders to normal learning.

preclinicalAutismtaVNS

Functional Connectivity Analysis of Transcutaneous Vagus Nerve Stimulation (tVNS) Using Magnetoencephalography (MEG)

Keatch et al. · IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2023

Varying the stimulation frequency led to alterations in different brain areas, which may suggest that personalized stimulation protocols can be developed for the targeted treatment of different medical conditions using tVNS.

clinical trialSchizophreniataVNS

Self-Regulatory Neuronal Mechanisms and Long-Term Challenges in Schizophrenia Treatment

Markiewicz-Gospodarek et al. · Brain sciences · 2023

Methods available for monitoring neuroplastic effects in vivo (e.g., fMRI, neuropeptides in serum), as well as unfavorable parameters (e.g., features of the metabolic syndrome), enable individualized monitoring of the effectiveness of long-term treatment of schizophrenia.

clinical trialSchizophreniaiVNS

Stimulation of vagus nerve for patients with disorders of consciousness: a systematic review

Dong et al. · Frontiers in neuroscience · 2023

A total of 1,269 articles were retrieved, and 10 studies met the inclusion criteria.

systematic reviewDisorders of ConsciousnessiVNS

Current status and prospect of transcutaneous auricular vagus nerve stimulation for disorders of consciousness

Wang et al. · Frontiers in neuroscience · 2023

In this paper, we review the literature on taVNS and DOC to better understand the current status and development prospect of taVNS treament as a non-invasive neuromodulation method with sensitivity and/or specificity at the single subject.

preclinicalDisorders of ConsciousnesstaVNS

Neuroinflammation mechanisms of neuromodulation therapies for anxiety and depression

Guo et al. · Translational psychiatry · 2023

This review provides a better understanding of the effective mechanism of neuromodulation therapies and indicates that inflammatory biomarkers may serve as a reference for the assessment of pathological conditions and treatment options in anxiety and depression.

preclinicalDisorders of ConsciousnessiVNS

Transcutaneous auricular vagus nerve stimulation in the treatment of disorders of consciousness: mechanisms and applications

Wang et al. · Frontiers in neuroscience · 2023

Beginning with an exploration of the vagus nerve's role in modulating brain function and consciousness, we then delve into the neuroprotective potential of taVNS demonstrated in animal models.

preclinicalDisorders of ConsciousnesstaVNS

The efficacy and safety of transcutaneous auricular vagus nerve stimulation for patients with minimally conscious state: a sham-controlled randomized double-blind clinical trial

Zhou et al. · Frontiers in neuroscience · 2023

The scores for the active taVNS group in the CRS-R and GCS showed greater improvement over time compared to the sham taVNS group (CRS-R: 1-week, Z = -1.248, p = 0.212; 2-week, Z = -1.090, p = 0.276; 3-week, Z = -2.017, p = 0.044; 4-week, Z = -2.267, p = 0.023.

RCTDisorders of ConsciousnesstaVNS

Optimizing the modulation paradigm of transcutaneous auricular vagus nerve stimulation in patients with disorders of consciousness: A prospective exploratory pilot study protocol

Zhai et al. · Frontiers in neuroscience · 2023

Several studies have reported the effectiveness of taVNS in patients with disorders of consciousness (DOC); however, differences in the modulation paradigm have led to inconsistent treatment outcomes.

pilotDisorders of ConsciousnesstaVNS

Effects of simultaneous transcutaneous auricular vagus nerve stimulation and high-definition transcranial direct current stimulation on disorders of consciousness: a study protocol

Zhuang et al. · Frontiers in neurology · 2023

In this regard, we propose to enhance from bottom to top the thalamic-cortical connection by using transcutaneous auricular vagus nerve stimulation (taVNS) and increase from top to bottom cortical-cortical connections using simultaneous high-definition transcranial direct current stimulation (HD-...

preclinicalDisorders of ConsciousnesstaVNS

Added value of corpus callosotomy following vagus nerve stimulation in children with Lennox-Gastaut syndrome: A multicenter, multinational study

Roth et al. · Epilepsia · 2023

A total of 127 cases were reviewed (80 males).

clinical trialDisorders of ConsciousnessiVNS
n = 102 subjects

Vagus nerve stimulation attenuates septic shock-induced cardiac injury in rats

Chen et al. · Physiological research · 2023

This study suggests that VNS contributes to the reduction of myocardial apoptosis and improvement of left ventricular function to attenuate septic shock-induced cardiac injury in rats.

preclinicalSepsisiVNS

Electrical stimulation of the dorsal motor nucleus of the vagus regulates inflammation without affecting the heart rate

Falvey et al. · bioRxiv : the preprint server for biology · 2023

Either left or right eDMNS at 250 μA and 500 μA decreased HR, compared with pre- and post-stimulation.

preclinicalSepsisiVNS

Targeted stimulation of the vagus nerve reduces renal injury in female mice with systemic lupus erythematosus

Shimoura et al. · Autonomic neuroscience : basic & clinical · 2023

At 35 weeks, mean arterial pressure (MAP; mmHg) was increased in SLE mice compared to NZW mice, but selective activation of DMV neurons did not significantly alter MAP in either group.

preclinicalKidney DiseaseiVNS

Neuroimmune Control of Inflammation in Acute Kidney Injury: From Mouse Models to Human Disease

Husain Syed et al. · Nephron · 2023

The ultimate goal of these trials is to design strategies using noninvasive approaches, such as splenic pulsed ultrasonography, to prevent or attenuate inflammatory conditions at the bedside, including AKI.

preclinicalKidney DiseaseiVNS

Neuropsychiatric Lyme Disease and Vagus Nerve Stimulation

Biniaz-Harris et al. · Antibiotics (Basel, Switzerland) · 2023

If well-controlled double-blinded studies demonstrate that transcutaneous auricular VNS helps patients with chronic syndromes such as persistent symptoms after Lyme disease, taVNS will be a welcome addition to the treatment options for these patients.

clinical trialChronic Fatigue SyndrometaVNS

Optimizing Noninvasive Vagus Nerve Stimulation for Systemic Lupus Erythematosus: Protocol for a Multicenter Randomized Controlled Trial

Contreras et al. · JMIR research protocols · 2023

On November 2022, data collection was initiated.

RCTChronic Fatigue SyndromeiVNS
n = 10 subjects

Autonomic Nervous System Regulation Effects of Epipharyngeal Abrasive Therapy for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Associated With Chronic Epipharyngitis

Hirobumi · Cureus · 2023

The CFS group had an increased baseline heart rate compared to the control group, and the CFS group had a greater increase in parasympathetic activity and a decrease in heart rate with nasal abrasion.

preclinicalChronic Fatigue SyndrometaVNS

Complementary and alternative medicine for long COVID: a systematic review of randomized controlled trials

Yang et al. · Therapeutic advances in chronic disease · 2023

A total of 14 RCTs with 1195 participants were included in this review.

systematic reviewChronic Fatigue SyndrometaVNS
n = 1,195 subjects

Adjunctive cenobamate in highly active and ultra-refractory focal epilepsy: A "real-world" retrospective study

Peña-Ceballos et al. · Epilepsia · 2023

Fifty-seven patients received cenobamate for at least 3 months (median duration, 11 months).

cohortChronic Fatigue SyndrometaVNS

Achieving symptom relief in patients with myalgic encephalomyelitis by targeting the neuro-immune interface and optimizing disease tolerance

Rodriguez et al. · Oxford open immunology · 2023

By performing longitudinal, systems-level monitoring of the blood immune system in these patients, we uncover signs of chronic immune activation in ME, as well as immunological correlates of improvement that center around gut-homing immune cells and reduced inflammation.

clinical trialChronic Fatigue SyndrometaVNS

Putative role of non-invasive vagus nerve stimulation in cancer pathology and immunotherapy: Can this be a hidden treasure, especially for the elderly?

Abdullahi et al. · Cancer medicine · 2023

Cancer is globally a disease of significant public health concern owing to its prevalence, and association with morbidity and mortality.

clinical trialCancer SupportiVNS

Neuronal-Activity Dependent Mechanisms of Small Cell Lung Cancer Progression

Savchuk et al. · bioRxiv : the preprint server for biology · 2023

Taken together, these studies illustrate that neuronal activity plays a crucial role in dictating SCLC pathogenesis in both primary and metastatic sites.

preclinicalCancer SupporttaVNS

Vagus nerve stimulation rescues persistent pain following orthopedic surgery in adult mice

Wu et al. · bioRxiv : the preprint server for biology · 2023

Postoperative pain is a major clinical problem imposing a significant burden on our patients and society.

preclinicalCancer SupporttaVNS

Low-intensity transcutaneous auricular vagus nerve stimulation reduces postoperative ileus after laparoscopic radical resection of colorectal cancer: a randomized controlled trial

Ru et al. · Minerva anestesiologica · 2023

The incidence of POI in the A group was 6.25% and 20% in the B group (P=0.022).

RCTCancer SupporttaVNS

Exploratory Investigation of the Effects of Tactile Stimulation Using Air Pressure at the Auricular Vagus Nerve on Heart Rate Variability

Lee et al. · Annals of rehabilitation medicine · 2023

Two-way repeated measures ANOVA indicated a significant main effect of time on HR (p=0.001), SDNN (p=0.003), and RMSSD (p<0.001).

preclinicalAgeingtaVNS

Effect of transcutaneous vagus nerve stimulation on stress-reactive neuroendocrine measures in a sample of persons with temporal lobe epilepsy

Doerr et al. · Epilepsia open · 2023

There was a dampened salivary cortisol (sCort) decrease during tVNS (time × condition effect: F[2.38, 38.15]  = 6.50, P = 0.002, partial η2  = 0.29).

clinical trialStress & PerformancetaVNS

Safety of transcutaneous auricular vagus nerve stimulation (taVNS): a systematic review and meta-analysis

Kim et al. · Scientific Reports · 2022

Across 177 studies and 6,322 subjects, taVNS was generally well-tolerated with mild and transient side effects. Serious adverse events were rare and not clearly attributable to stimulation.

systematic reviewSafetytaVNS
n = 6,322 subjects

Transcutaneous vagus nerve stimulation could improve the effective rate on the quality of sleep in the treatment of primary insomnia: a randomized control trial

Wu et al. · Brain Sciences · 2022

One month of taVNS improved the effective rate of treatment for primary insomnia compared to sham, adding to evidence that taVNS produces clinically meaningful improvements in sleep quality.

RCTSleeptaVNS
n = 30 subjects

Manipulation of the inflammatory reflex as a therapeutic strategy

Kelly et al. · Cell Reports Medicine · 2022

Comprehensive review of how the inflammatory reflex operates through vagal and splenic nerve signalling to modulate macrophage cytokine production via alpha7 nicotinic receptors.

narrative reviewInflammationiVNS

Non-invasive vagus nerve stimulation for prevention of migraine: The multicenter, randomized, double-blind, sham-controlled PREMIUM II trial

Najib et al. · Cephalalgia · 2022

Active nVNS achieved a 44.87% responder rate versus 26.81% for sham (P=0.048), with migraine with aura patients showing a therapeutic gain exceeding 100% over sham.

RCTMigrainetcVNS
n = 336 subjects

The efficacy and safety of transcutaneous auricular vagus nerve stimulation in patients with mild cognitive impairment: A double blinded randomized clinical trial

Wang et al. · Brain Stimulation · 2022

After 24 weeks, taVNS significantly improved MoCA scores, verbal learning, naming ability, and sleep quality in patients with mild cognitive impairment, suggesting potential to delay cognitive decline.

RCTAgeingtaVNS
n = 52 subjects

Effect of transcutaneous auricular vagus nerve stimulation on delayed neurocognitive recovery in elderly patients

Zhou et al. · Aging Clinical and Experimental Research · 2022

taVNS reduced the incidence of delayed neurocognitive recovery from 27.1% to 10% in elderly patients undergoing joint arthroplasty, with lower post-operative inflammatory markers.

RCTAgeingtaVNS
n = 124 subjects

Vagus nerve stimulation paired with rehabilitation for stroke: Implantation experience from the VNS-REHAB trial

Liu et al. · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2022

The rate of surgery-related adverse events was lower than previously reported for VNS implantation for epilepsy and depression.

preclinicalDepressioniVNS

A pilot randomized controlled trial of supervised, at-home, self-administered transcutaneous auricular vagus nerve stimulation (taVNS) to manage long COVID symptoms

Badran et al. · Research square · 2022

Although our trial was not powered to determine efficacy as an intervention in a heterogenous population, the trends in the data suggest taVNS may have a mild to moderate effect in reducing mental fatigue symptoms in a subset of individuals.

RCTDepressiontaVNS
n = 13 subjects

A pilot randomized controlled trial of supervised, at-home, self-administered transcutaneous auricular vagus nerve stimulation (taVNS) to manage long COVID symptoms

Badran et al. · Bioelectronic medicine · 2022

Four-weeks of at-home self-administered taVNS (two, one-hour sessions daily, delivered at suprathreshold intensities) was feasible and safe.

RCTDepressiontaVNS

An assessor-blinded, randomized comparative trial of transcutaneous auricular vagus nerve stimulation (taVNS) combined with cranial electroacupuncture vs. citalopram for depression with chronic pain

Li et al. · Frontiers in psychiatry · 2022

Both the taVNS combined with electroacupuncture and citalopram groups had significant reductions in depressive and pain symptoms, as indicated by the decrease in MARDS and SF-MPQ scores.

RCTDepressiontaVNS

Transcutaneous vagus nerve stimulation - A brief introduction and overview

Hilz · Autonomic neuroscience : basic & clinical · 2022

However, several sensory nerves with variable fiber-density and significant overlap innervate the outer ear: the auricular branch of the vagus nerve (ABVN), the auriculotemporal nerve, greater auricular nerve, and to some extent the lesser occipital nerve.

clinical trialDepressiontaVNS

A Comprehensive Review of Vagus Nerve Stimulation for Depression

Austelle et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

VNS was described in the literature in the early 1900s; however, gained traction in the 1980s as Zabara and colleagues developed an implantable neurocybernetic prosthesis to treat epilepsy.

narrative reviewDepressiontaVNS

Transcutaneous auricular vagus nerve stimulators: a review of past, present, and future devices

Wang et al. · Expert review of medical devices · 2022

As an emerging neuromodulation therapy, transcutaneous auricular vagus nerve stimulation (taVNS) has been proven to be safe and effective for epilepsy, major depressive disorders, insomnia, glucose metabolic disorders, pain, stroke, post stroke rehabilitation, anxiety, fear, cognitive impairment,...

narrative reviewDepressiontaVNS

Transcutaneous auricular vagus nerve stimulation augments postprandial inhibition of ghrelin

Kozorosky et al. · Physiological reports · 2022

No significant effects of taVNS on heart rate variability and baroreceptor-heart rate reflex sensitivity and only minor effects on glucotropic hormones were observed.

preclinicalDepressiontaVNS
n = 16 subjects

Auricular Transcutaneous Vagus Nerve Stimulation Acutely Modulates Brain Connectivity in Mice

Brambilla-Pisoni et al. · Frontiers in cellular neuroscience · 2022

We aimed to study the effects of atVNS on brain connectivity, under conditions that improved memory persistence in CD-1 male mice.

preclinicalDepressiontaVNS

Treatment-resistant bipolar depression: concepts and challenges for novel interventions

Diaz et al. · Revista brasileira de psiquiatria (Sao Paulo, Brazil : 1999) · 2022

More research is warranted, mainly focusing on personalizing current treatments to optimize response and remission rates.

narrative reviewDepressioniVNS

Vagus nerve stimulation: An update on a novel treatment for treatment-resistant depression

Kamel et al. · Journal of the neurological sciences · 2022

Early clinical trials including the D01, D02, and D03 trials showed promising evidence of the antidepressant efficacy and durability of VNS as a treatment for TRD.

narrative reviewDepressioniVNS

Adjunctive vagus nerve stimulation for treatment-resistant depression: a preliminary study

Zhang et al. · International journal of psychiatry in clinical practice · 2022

After 3 months of treatment with VNS, the antidepressant response and remission rates were 42.9% and 28.6%, respectively.

clinical trialDepressioniVNS

Transcutaneous Vagal Nerve Stimulation in Treatment-Resistant Depression: A Feasibility Study

Evensen et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

Compliance threshold was reached for 80.0% of the 20 included participants.

clinical trialDepressiontaVNS

An Overview of Noninvasive Brain Stimulation: Basic Principles and Clinical Applications

Bhattacharya et al. · The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques · 2022

Further research is needed to expand the clinical utility of NIBS and test the combination of different modes of NIBS to optimize neuromodulation induced clinical benefits.

preclinicalDepressiontcVNS

A Delphi-method-based consensus guideline for definition of treatment-resistant depression for clinical trials

Sforzini et al. · Molecular psychiatry · 2022

This report will feed into one of the main objectives of the EUropean Patient-cEntric clinicAl tRial pLatforms, Innovative Medicines Initiative (EU-PEARL, IMI) MDD project, to design a protocol for platform trials of new medications for TRD/PRD.

preclinicalDepressioniVNS

Practical considerations in epilepsy neurostimulation

Simpson et al. · Epilepsia · 2022

Vagus nerve stimulation (VNS), deep brain stimulation of the anterior nucleus of the thalamus (DBS-ANT), and responsive neurostimulation (RNS) are all supported by randomized controlled trials that show safety and a significant impact on seizure reduction, as well as a suggestion of reduction in ...

preclinicalEpilepsyiVNS

The role of vagus nerve stimulation in genetic etiologies of drug-resistant epilepsy: a meta-analysis

Hajtovic et al. · Journal of neurosurgery. Pediatrics · 2022

The authors identified 125 articles, of which 47 with 216 nonduplicate patients were analyzed.

meta-analysisEpilepsyiVNS
n = 216 subjects

Vagus nerve stimulation for treatment of drug-resistant epilepsy: a systematic review and meta-analysis

Lim et al. · Neurosurgical review · 2022

This remained significant for subgroup analyses of low-frequency VNS as the control, VNS modality, and after removing studies with moderate-to-high risk of bias.

meta-analysisEpilepsytaVNS
n = 718 subjects

Non-invasive vagus nerve stimulation in epilepsy patients enhances cooperative behavior in the prisoner's dilemma task

Oehrn et al. · Scientific reports · 2022

This study provides evidence for the causal influence of vagus nerve activity on social interaction.

preclinicalEpilepsyiVNS

Vagus nerve stimulation for focal seizures

Panebianco et al. · The Cochrane database of systematic reviews · 2022

VNS consists of chronic, intermittent electrical stimulation of the vagus nerve, delivered by a programmable pulse generator.

preclinicalEpilepsyiVNS

Short- and Long-Term Response of Vagus Nerve Stimulation Therapy in Drug-Resistant Epilepsy: A Systematic Review and Meta-Analysis

Mao et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

A total of 61 studies, featuring 5223 patients, were included in our study.

meta-analysisEpilepsyiVNS
n = 5,223 subjects

Vagus nerve stimulation for drug-resistant epilepsy induced by tuberous sclerosis complex

Tong et al. · Epilepsy & behavior : E&B · 2022

The follow-up duration for the 17 patients who underwent VNS treatment ranged from 0.5 to 10 years (mean ± SD: 4.1 ± 3.2 years).

long-term studyEpilepsyiVNS
n = 17 subjects

Neurostimulation in people with drug-resistant epilepsy: Systematic review and meta-analysis from the ILAE Surgical Therapies Commission

Touma et al. · Epilepsia · 2022

We identified 30 eligible studies, six of which were RCTs.

meta-analysisEpilepsyiVNS

Long-term outcome of vagus nerve stimulation for drug-resistant epilepsy using continuous assessment, with a note on mortality

Polkey et al. · Seizure · 2022

Of 464 patients, 171 fulfilled the inclusion criteria and were divided into three groups: a) Responders (n = 81); b) non-responders (n = 80) and c) others (n = 10), the latter showing a late step-wise change (six improved; four deteriorated).

long-term studyEpilepsyiVNS
n = 464 subjects

Norwegian population-based study of long-term effects, safety, and predictors of response of vagus nerve stimulation treatment in drug-resistant epilepsy: The NORPulse study

Kostov et al. · Epilepsia · 2022

The cumulative probability of ≥50% seizure reduction was 60%; however, 15% of patients showed a fluctuating course.

long-term studyEpilepsyiVNS

Transcutaneous auricular vagus nerve stimulation increases eye-gaze on salient facial features and oxytocin release

Zhu et al. · Psychophysiology · 2022

Saliva oxytocin concentrations increased significantly after taVNS compared to sham stimulation, while resting pupil size did not.

clinical trialEpilepsytaVNS
n = 54 subjects

[Clinical Application of Transcutaneous Auricular Vagus Nerve Stimulation]

Yamamoto · Brain and nerve = Shinkei kenkyu no shinpo · 2022

Although several pilot studies were performed before this trial and showed that taVNS was safe, well tolerated, and feasible for long-term treatment, no statistically significant difference was observed between the high- and low-stimulation groups, and further studies are warranted to gain a deep...

RCTEpilepsytaVNS

Transcutaneous Auricular Vagus Nerve Stimulation Differently Modifies Functional Brain Networks of Subjects With Different Epilepsy Types

von Wrede et al. · Frontiers in human neuroscience · 2022

Impact of such a non-pharmaceutical intervention on clinical decision-making in the treatment of different epilepsy types needs to be assessed in future studies.

clinical trialEpilepsytaVNS

Transcutaneous vagus nerve stimulation and the realm of its therapeutic hopes and physiologic enigmas

Hilz et al. · Autonomic neuroscience : basic & clinical · 2022

This Special Issue of Autonomic Neuroscience: Basic & Clinical provides an introduction and overview on basic aspects as well as special topics of tVNS.

clinical trialEpilepsytaVNS

Investigating the Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Cortical Excitability in Healthy Males

Mertens et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

MEP and TEP measurements were not affected by taVNS in this study.

clinical trialEpilepsytaVNS
n = 8 subjects

Brain stimulation and other biological non-pharmacological interventions in mental disorders: An umbrella review

Rosson et al. · Neuroscience and biobehavioral reviews · 2022

We selected 102 meta-analyses.

narrative reviewAnxietytaVNS

Comparative Effectiveness of Transcutaneous Auricular Vagus Nerve Stimulation vs Citalopram for Major Depressive Disorder: A Randomized Trial

Li et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

The HAM-D17 scores were reduced in both treatment groups; however, there was no significant group-by-time interaction (95% CI: -0.07 to 0.15, p = 0.79).

RCTAnxietytaVNS

Transcutaneous Auricular Vagus Nerve Stimulation Combined With Slow Breathing: Speculations on Potential Applications and Technical Considerations

Szulczewski · Neuromodulation : journal of the International Neuromodulation Society · 2022

Both taVNS and slow breathing are considered promising add-on therapeutic approaches for anxiety and depressive disorders, chronic pain, cardiovascular diseases, and insomnia.

preclinicalAnxietytaVNS

Neuromodulation for Chronic Daily Headache

Coppola et al. · Current pain and headache reports · 2022

We reviewed the literature that explored the use of central and peripheral neuromodulation techniques for chronic daily headache (CDH) treatment.

preclinicalCluster HeadachetcVNS

Cluster Headache: Rapid Evidence Review

Malu et al. · American family physician · 2022

Newer treatments for cluster headache include galcanezumab, neurostimulation, and somatostatin receptor agonists.

narrative reviewCluster HeadachetcVNS

Vagus nerve stimulation and inflammation: expanding the scope beyond cytokines

Falvey · Bioelectronic medicine · 2022

In this letter, I discuss a manuscript that describes how vagus nerve stimulation promotes resolution of inflammation via regulating the balance of specialised pro-resolving mediator levels and neutrophil activity.

preclinicalInflammationiVNS

Vagus nerve stimulation modulates hippocampal inflammation caused by continuous stress in rats

Namgung et al. · Journal of neuroinflammation · 2022

Levels of TNF-α, IL-1β, and IL-6 in the gastric and hippocampal tissues were significantly increased in CS animals compared to the untreated control and downregulated by acute VNS (aVNS).

preclinicalInflammationiVNS

Percutaneous Auricular Vagus Nerve Stimulation Reduces Inflammation in Critical Covid-19 Patients

Seitz et al. · Frontiers in physiology · 2022

aVNS proved to be a safe clinical procedure and could effectively supplement treatment of critical Covid-19 patients while preventing devastating over-inflammation.

preclinicalInflammationiVNS
n = 19 subjects

Mesenchymal stromal cells alleviate acute respiratory distress syndrome through the cholinergic anti-inflammatory pathway

Zhang et al. · Signal transduction and targeted therapy · 2022

However, there is significant heterogeneity in their therapeutic efficacy, largely owing to the incomplete understanding of the mechanisms underlying the therapeutic activities of MSCs.

preclinicalInflammationiVNS

Cholinergic anti-inflammatory pathway and COVID-19

Mehranfard et al. · BioImpacts : BI · 2022

While tobacco smoking has been considered an aggravating factor in the severity of COVID-19 infections, it has been suggested by some that the nicotine derived from tobacco could lessen the severity of COVID-19 infections.

preclinicalInflammationiVNS

The cholinergic anti-inflammatory pathway in humans: State-of-the-art review and future directions

Alen · Neuroscience and biobehavioral reviews · 2022

Substantial limitations and gaps in the literature are identified, and promising directions for future research are highlighted.

preclinicalInflammationiVNS

Advances in Our Clinical Understanding of Autonomic Regulation Therapy Using Vagal Nerve Stimulation in Patients Living With Heart Failure

Konstam et al. · Frontiers in physiology · 2022

The ANTHEM-HF, INOVATE-HF, and NECTAR-HF clinical studies of autonomic regulation therapy (ART) using vagus nerve stimulation (VNS) systems have collectively provided dose-ranging information enabling the development of several working hypotheses on how stimulation frequency can be utilized durin...

preclinicalHeart FailureiVNS

Implantation of a vagus nerve stimulator for patients with heart failure with reduced ejection fraction: An educational video

Al Rameni et al. · JTCVS techniques · 2022

Following successful implantation and activation of the VNS system, the patient was discharged to home on the same day.

preclinicalHeart FailureiVNS

Neuromodulation of Inflammation to Treat Heart Failure With Preserved Ejection Fraction: A Pilot Randomized Clinical Trial

Stavrakis et al. · Journal of the American Heart Association · 2022

While the early mitral inflow Doppler velocity to the early diastolic mitral annulus velocity ratio did not differ between groups, global longitudinal strain and tumor necrosis factor-α levels at 3 months were significantly improved in the active compared with the sham arm (-18.6%±2.5% versus -16...

RCTHeart FailuretaVNS
n = 26 subjects

Vagus Nerve Stimulation and Atrial Fibrillation: Revealing the Paradox

Kharbanda et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

VNS exhibits both pro-arrhythmogenic and anti-arrhythmogenic effects.

RCTHeart HealthtaVNS

Hybrid nanogenerator based closed-loop self-powered low-level vagus nerve stimulation system for atrial fibrillation treatment

Sun et al. · Science bulletin · 2022

In the in vivo effect verification study, the atrial fibrillation duration significantly decreased by 90% after LL-VNS therapy, and myocardial fibrosis and atrial connexin levels were effectively improved.

preclinicalHeart HealthtaVNS

Transcutaneous vagus nerve stimulation (tVNS) in stroke: the evidence, challenges and future directions

Baig et al. · Autonomic neuroscience : basic & clinical · 2022

A significant proportion of stroke survivors are left with long term neurological deficits that have a detrimental effect on personal wellbeing and wider socioeconomic impacts.

RCTStroke RehabilitationtaVNS

Non-invasive Vagus Nerve Stimulation in Cerebral Stroke: Current Status and Future Perspectives

Li et al. · Frontiers in neuroscience · 2022

Recent studies have demonstrated that VNS can facilitate the benefits of rehabilitation interventions.

preclinicalStroke RehabilitationiVNS

Efficacy and Safety of Vagus Nerve Stimulation on Upper Limb Motor Recovery After Stroke. A Systematic Review and Meta-Analysis

Ramos-Castaneda et al. · Frontiers in neurology · 2022

Eight studies evaluating VNS effects on motor function in stroke patients were included, of which 4 used implanted and 4 transcutaneous VNS.

meta-analysisStroke RehabilitationiVNS

Effect of vagus nerve stimulation paired with rehabilitation for upper limb function improvement after stroke: a systematic review and meta-analysis of randomized controlled trials

Zhao et al. · International journal of rehabilitation research. Internationale Zeitschrift fur Rehabilitationsforschung. Revue internationale de recherches de readaptation · 2022

Overall, the present meta-analysis revealed a significant effect of VNS on Fugl-Meyer Assessment for Upper Extremity (FMA-UE, MD = 3.59; 95% CI, 2.55-4.63; P < 0.01) when compared with the control group.

meta-analysisStroke RehabilitationiVNS
n = 178 subjects

Paired vagus nerve stimulation for treatment of upper extremity impairment after stroke

Dawson et al. · International journal of stroke : official journal of the International Stroke Society · 2022

A recent pivotal Phase III trial showed that VNS paired with rehabilitation led to improvements in upper extremity impairment and function in people with moderate-to-severe arm weakness for an average of 3 years after ischemic stroke.

preclinicalStroke RehabilitationiVNS

Two-Week Cervical Vagus Nerve Stimulation in Chronic Pancreatitis Patients Induces Functional Connectivity Changes of Limbic Structures

Muthulingam et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

Sixteen CP patients (mean age 56.6 ± 9.4 years) completed the trial.

preclinicalPainiVNS

Non-Invasive Transcutaneous Vagus Nerve Stimulation for the Treatment of Fibromyalgia Symptoms: A Study Protocol

Molero-Chamizo et al. · Brain sciences · 2022

Since both vagal branches project to the NST, we do not predict significantly different results between the two stimulation protocols.

RCTPaintaVNS

Trans-auricular vagus nerve stimulation to reduce perioperative pain and morbidity: protocol for a single-blind analyser-masked randomised controlled trial

Patel et al. · BJA open · 2022

This phase 2b study will explore whether noninvasive autonomic neuromodulation may reduce pain or morbidity using trans-auricular vagus nerve stimulation, providing proof-of-concept data for a non-pharmacological, generalisable approach to improve perioperative outcomes.

RCTPaintaVNS

Vagus Nerve Stimulation: A Personalized Therapeutic Approach for Crohn's and Other Inflammatory Bowel Diseases

Cirillo et al. · Cells · 2022

Therefore, it has been suggested that appropriate neuroprosthetic stimulation of the vagus nerve could lead to the modulation of the inflammation of the gastrointestinal tract and consequent long-term control of these autoimmune diseases.

preclinicalGut HealthiVNS

Inflammatory Bowel Disease: Role of Vagus Nerve Stimulation

Fornaro et al. · Journal of clinical medicine · 2022

A significant percentage of IBD patients lose response to treatments or experience side effects.

narrative reviewGut HealthiVNS

Electrical neuromodulation therapy for inflammatory bowel disease

Yasmin et al. · World journal of gastrointestinal pathophysiology · 2022

Although there has been a significant advancement in treatments, a considerable number of patients do not respond to it or have severe side effects.

clinical trialGut HealthiVNS

Vagus nerve-mediated intestinal immune regulation: therapeutic implications of inflammatory bowel diseases

Mikami et al. · International immunology · 2022

In this review, we describe the role of the VN in the regulation of intestinal immunity, and we discuss novel therapeutic approaches for IBDs that target neuroimmune interactions.

clinical trialGut HealthiVNS

Anti-inflammatory effects of vagal nerve stimulation with a special attention to intestinal barrier dysfunction

Bonaz · Neurogastroenterology and motility · 2022

We also review the existing evidence of the effects VNS on intestinal permeability in models such as burn intestinal injury and traumatic brain injury, which pave the way for future clinical trials in IBD, IBS, and celiac disease.

RCTGut HealthtaVNS

Vagus nerve stimulation for conservative therapy-refractive epilepsy and depression

Möbius et al. · Laryngo- rhino- otologie · 2022

Currently, it is not possible to differentiate between potential responders and non-responders before therapy/implantation.The current technical developments of the iVNS generators of the new generation like closed-loop system (cardiac-based seizure detection, CBSD) reduce also the risk for SUDEP...

clinical trialGut HealthtaVNS

Understanding Mental Health Needs and Gathering Feedback on Transcutaneous Auricular Vagus Nerve Stimulation as a Potential PTSD Treatment among 9/11 Responders Living with PTSD Symptoms 20 Years Later: A Qualitative Approach

Schwartz et al. · International journal of environmental research and public health · 2022

The findings highlight the need for additional treatment options to reduce PTSD symptoms in this population and provide key formative phase input for the pilot clinical trial of taVNS.

RCTPTSDtaVNS

Timing of vagus nerve stimulation during fear extinction determines efficacy in a rat model of PTSD

Souza et al. · Scientific reports · 2022

Rats that received Between or Dispersed VNS showed modest improvement in conditioned fear at the retention test.

preclinicalPTSDiVNS

Robust Estimation of Respiratory Variability Uncovers Correlates of Limbic Brain Activity and Transcutaneous Cervical Vagus Nerve Stimulation in the Context of Traumatic Stress

Gazi et al. · IEEE transactions on bio-medical engineering · 2022

The single-lag unscaled autocorrelation of respiration rate correlated negatively with left amygdala activity and positively with right rostromedial prefrontal cortex (rmPFC) activity for non-PTSD; it also correlated negatively with left and right insulae activity and positively with right rmPFC ...

preclinicalPTSDtcVNS

Transcutaneous Auricular Vagus Nerve Stimulation Modulates the Prefrontal Cortex in Chronic Insomnia Patients: fMRI Study in the First Session

He et al. · Frontiers in neurology · 2022

The scores of PSQI (p < 0.01) and FFS (p < 0.05) decreased after 4 weeks in the CI group.

clinical trialSleeptaVNS

[Effect of transcutaneous auricular vagus nerve stimulation on nocturnal autonomic nervous function in primary insomnia patients]

Zhao et al. · Zhongguo zhen jiu = Chinese acupuncture & moxibustion · 2022

After treatment, the score of each item and the total score of PSQI and SL were all reduced as compared with those before treatment (P<0.01, P<0.001); SE, N3%, LF, HF, LF/HF, SDNN, NNMean and RMSSD were all increased compared with those before treatment (P<0.001, P<0.01).

preclinicalSleeptaVNS

[Modulation of transcutaneous auricular vagus nerve stimulation on default mode network in patients with primary insomnia]

Zhang et al. · Zhongguo zhen jiu = Chinese acupuncture & moxibustion · 2022

After treatment, the total score of PSQI in PI patients was lower than that before treatment (P<0.01).

clinical trialSleeptaVNS

Non-invasive Vagus Nerve Stimulation for COVID-19: Results From a Randomized Controlled Trial (SAVIOR I)

Tornero et al. · Frontiers in neurology · 2022

Of the 110 participants who were enrolled and randomly assigned, 97 (nVNS, n = 47; SoC, n = 50) had sufficient available data and comprised the evaluable population.

RCTLong COVIDiVNS
n = 110 subjects

Case Report: Auricular vagus nerve stimulation possibly alleviates COVID-19 disease on a high-risk patient

Széles et al. · Frontiers in physiology · 2022

Results: The multimorbid high-risk patient, who was expected to go through a severe course of the COVID-19 disease, showed hardly any symptoms during ongoing aVNS therapy, while other family members, being much younger and healthy suffered from a more serious course with headache, pneumonia and g...

preclinicalLong COVIDtaVNS

Transcutaneous auricular vagus nerve stimulation effects on inflammatory markers and clinical evolution of patients with COVID-19: a pilot randomized clinical trial

Uehara et al. · Expert review of medical devices · 2022

After treatment, significant intragroup differences were found in the CRP (p = 0.01), IL-6 (p = 0.01), and cortisol (p = 0.01) levels; however, in the comparison between the groups, only the CRP level was statistically lower for the a-taVNS (p = 0.04).

RCTLong COVIDtaVNS

Different Transcutaneous Auricular Vagus Nerve Stimulation Parameters Modulate the Anti-Inflammatory Effects on Lipopolysaccharide-Induced Acute Inflammation in Mice

Go et al. · Biomedicines · 2022

The taVNS-promoted CAP activity significantly recovered LPS-induced tissue injuries (lung, spleen, and intestine) and decreased inflammatory cytokine levels and tissue-infiltrated immune cells.

preclinicalLong COVIDtaVNS

Transcutaneous Auricular Vagus Nerve Stimulation Improves Inflammation but Does Not Interfere with Cardiac Modulation and Clinical Symptoms of Individuals with COVID-19: A Randomized Clinical Trial

Corrêa et al. · Life (Basel, Switzerland) · 2022

Results: There was significant reduction in CRP −23.9%, (95% CI −46.3 to −1.4) and IL-6 −37.7%, (95% CI −57.6 to −17.7) for the a-taVNS group.

RCTLong COVIDtaVNS

Obesity and gut-microbiota-brain axis: A narrative review

Asadi et al. · Journal of clinical laboratory analysis · 2022

The gut-brain axis (GBA), a bidirectional connection between the gut microbiota and brain, influences physiological function and behavior through three different pathways.

narrative reviewObesitytaVNS

Five weeks of intermittent transcutaneous vagus nerve stimulation shape neural networks: a machine learning approach

Obst et al. · Brain imaging and behavior · 2022

We found a classification accuracy (CA) of 79 % in a subset of four brainstem regions suggesting that tVNS leads to lasting changes in brain networks.

clinical trialObesitytaVNS

Blood glucose modulation and safety of efferent vagus nerve stimulation in a type 2 diabetic rat model

Payne et al. · Physiological reports · 2022

Following 5 weeks of implantation, eVNS was still effective, resulting in significantly decreased glycemia (-1.7 ± 0.6 mM h, p = 0.003) during 1 h of eVNS.

preclinicalMetabolictaVNS
n = 10 subjects

Vagus nerve stimulation drives selective circuit modulation through cholinergic reinforcement

Bowles et al. · Neuron · 2022

This suggests that VNS may accelerate motor refinement in M1 via cholinergic signaling, opening new avenues for optimizing VNS to target specific disease-relevant circuitry.

preclinicalNeuroplasticityiVNS

Vagus nerve stimulation-induced cognitive enhancement: Hippocampal neuroplasticity in healthy male rats

Olsen et al. · Brain stimulation · 2022

Stimulated rats exhibited improved performance in NOR (p < 0.05, n = 12) and PAT (p < 0.05, n = 14).

preclinicalNeuroplasticityiVNS
n = 12 subjects

Vagus Nerve Stimulation as a Potential Therapy in Early Alzheimer's Disease: A Review

Vargas-Caballero et al. · Frontiers in human neuroscience · 2022

Whether invasive or non-invasive VNS can produce a significant improvement on memory function and whether its effects can modify the progression of AD will require further investigation.

narrative reviewNeuroplasticityiVNS

Effect of Vagus Nerve Stimulation on Attention and Working Memory in Neuropsychiatric Disorders: A Systematic Review

Aniwattanapong et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

We identified 20 studies reporting VNS effects on attention and working memory in patients with epilepsy or mood disorders.

systematic reviewCognitive FunctiontaVNS

Acute Vagus Nerve Stimulation Facilitates Short Term Memory and Cognitive Flexibility in Rats

Driskill et al. · Brain sciences · 2022

Our results indicate that acute VNS can improve memory and cognitive flexibility relative to Sham-stimulation, and these effects are independent of unspecific VNS-induced changes in locomotion or anxiety.

preclinicalCognitive FunctiontaVNS

The potential of invasive and non-invasive vagus nerve stimulation to improve verbal memory performance in epilepsy patients

Mertens et al. · Scientific reports · 2022

It has been demonstrated that acute vagus nerve stimulation (VNS) improves word recognition memory in epilepsy patients.

preclinicalCognitive FunctiontaVNS
n = 15 subjects

Right vagus nerve stimulation improves motor behavior by exerting neuroprotective effects in Parkinson's disease rats

Wang et al. · Annals of translational medicine · 2022

A markedly lower distance traveled and rearing number was observed in the rotenone, rotenone + sham, and rotenone + RVNS groups compared to the vehicle group.

preclinicalParkinson's DiseasetaVNS

Non-invasive vagus nerve stimulation modulates subthalamic beta activity in Parkinson's disease

Torrecillos et al. · Brain stimulation · 2022

Study examining parkinson's disease using iVNS.

clinical trialParkinson's DiseaseiVNS

Microbiota in neuroinflammation and synaptic dysfunction: a focus on Alzheimer's disease

Bairamian et al. · Molecular neurodegeneration · 2022

There is strong increasing evidence supporting a role for the gut microbiome in the pathogenesis of Alzheimer's disease, including effects on synaptic dysfunction and neuroinflammation, which contribute to cognitive decline.

clinical trialAlzheimer's DiseaseiVNS

Abdominal vagus nerve stimulation alleviates collagen-induced arthritis in rats

Payne et al. · Frontiers in neuroscience · 2022

Despite therapeutic advances, a significant proportion of RA patients are resistant to pharmacological treatment.

preclinicalRheumatoid ArthritisiVNS
n = 8 subjects

Modulating Heart Rate Variability through Deep Breathing Exercises and Transcutaneous Auricular Vagus Nerve Stimulation: A Study in Healthy Participants and in Patients with Rheumatoid Arthritis or Systemic Lupus Erythematosus

Jensen et al. · Sensors (Basel, Switzerland) · 2022

The findings support a potential use of VNS as a new treatment approach, but the clinical effects need to be investigated in future studies.

preclinicalRheumatoid ArthritistaVNS
n = 52 subjects

Transcutaneous Vagus Nerve Stimulation Combined with Rehabilitation Training in the Intervention of Upper Limb Movement Disorders After Stroke: A Systematic Review

Yan et al. · Neuropsychiatric disease and treatment · 2022

Total of 101 participants from 4 studies were included in this systematic review.

systematic reviewSafetytaVNS
n = 101 subjects

The Adjunct of Electric Neurostimulation to Rehabilitation Approaches in Upper Limb Stroke Rehabilitation: A Systematic Review With Network Meta-Analysis of Randomized Controlled Trials

Ahmed et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

We included 38 RCTs with 1261 participants.

meta-analysisSafetytaVNS
n = 1,261 subjects

Cognitive function and brain activation before and after transcutaneous cervical vagus nerve stimulation in healthy adults: A concurrent tcVNS-fMRI study

Zhang et al. · Frontiers in psychology · 2022

The present study showed that tcVNS had beneficial effects on cognitive performance, mainly improving memory and language skills and attention.

RCTNeuroimagingtaVNS

Vagus nerve afferent stimulation: Projection into the brain, reflexive physiological, perceptual, and behavioral responses, and clinical relevance

Komisaruk et al. · Autonomic neuroscience : basic & clinical · 2022

In the present review, we address these multiple roles of the afferent vagus under normal and pathological conditions, based on both animal and human evidence.

clinical trialNeuroimagingtcVNS

Transcutaneous auricular vagus nerve immediate stimulation treatment for treatment-resistant depression: A functional magnetic resonance imaging study

Ma et al. · Frontiers in neurology · 2022

Following taVNS stimulation treatment, TRD patients showed significantly reduced ReHo in the medial orbital frontal cortex (mOFC) (F = 18.06, P < 0.0001), ANCOVA of the mOFC-Based FC images revealed a significant interaction effect on the left inferior parietal gyrus (IPG) and left superior margi...

clinical trialNeuroimagingtaVNS

Meditative-based diaphragmatic breathing vs. vagus nerve stimulation in the treatment of fibromyalgia-A randomized controlled trial: Body vs. machine

Paccione et al. · Frontiers in neurology · 2022

No significant across-group changes in heart rate variability were found.

RCTFibromyalgiataVNS

Vagus nerve stimulation outcome prediction: from simple parameters to advanced models

Chrastina et al. · Bratislavske lekarske listy · 2022

Keywords: epilepsy, vagus nerve stimulation, response predictor, EEG.

clinical trialMultiple SclerosistaVNS

The Vagus Nerve Somatosensory-evoked Potential in Neural Disorders: Systematic Review and Illustrative Vignettes

Leon-Ariza et al. · Clinical EEG and neuroscience · 2022

Scalp responses marked as the VSEP showed high variability, low validity, and poor reproducibility.

systematic reviewMultiple SclerosistaVNS
n = 297 subjects

Potential roles of vagus nerve stimulation on traumatic brain injury: Evidence from in vivo and clinical studies

Srihagulang et al. · Experimental neurology · 2022

Several previous studies also demonstrated that VNS has beneficial effects for TBI in animal models and patients.

clinical trialTraumatic Brain InjuryiVNS

Effects and neuroprotective mechanisms of vagus nerve stimulation on cognitive impairment with traumatic brain injury in animal studies: A systematic review and meta-analysis

Zhang et al. · Frontiers in neurology · 2022

Overall, nine studies were identified in animal models (36 mice, 268 rats, and 27 rabbits).

meta-analysisTraumatic Brain InjuryiVNS

Leveraging Accelerometry as a Prognostic Indicator for Increase in Opioid Withdrawal Symptoms

Lambert et al. · Biosensors · 2022

Treating opioid use disorder (OUD) is a significant healthcare challenge in the United States.

clinical trialAddictiontaVNS
n = 23 subjects

Vagus Nerve Stimulation as a Treatment for Fear and Anxiety in Individuals with Autism Spectrum Disorder

Shivaswamy et al. · Journal of psychiatry and brain science · 2022

We also discuss potential uses of VNS to treat depression and epilepsy in the context of ASD, and noninvasive methods to stimulate the vagus nerve.

preclinicalAutismtaVNS

Therapeutic applications of transcutaneous auricular vagus nerve stimulation with potential for application in neurodevelopmental or other pediatric disorders

Zhu et al. · Frontiers in endocrinology · 2022

We conclude from these initial findings that taVNS may be a promising alternative treatment for pediatric disorders which do not respond to other interventions.

clinical trialAutismtaVNS

Effects of Stable Vagus Nerve Stimulation Efficacy on Autistic Behaviors in Ten Pediatric Patients With Drug Resistant Epilepsy: An Observational Study

Wang et al. · Frontiers in pediatrics · 2022

Their autistic behaviors, especially in language, social and self-help, were reduced at follow-up 2 compared to follow-up 1 (p = 0.01, p = 0.01, respectively).

retrospective analysisAutismiVNS
n = 10 subjects

Assessment of Noninvasive Brain Stimulation Interventions for Negative Symptoms of Schizophrenia: A Systematic Review and Network Meta-analysis

Tseng et al. · JAMA psychiatry · 2022

Forty-eight RCTs involving 2211 participants (mean [range] age, 38.7 [24.0-57.0] years; mean [range] proportion of female patients, 30.6% [0%-70.0%]) were included.

meta-analysisSchizophreniatcVNS
n = 2,211 subjects

Understanding the interoception in schizophrenia through the window of Vagus Nerve Stimulation

Nayok et al. · Neuroscience and biobehavioral reviews · 2022

Study examining schizophrenia using iVNS.

clinical trialSchizophreniaiVNS

Modern neurosurgical techniques for psychiatric disorders

De Salles et al. · Progress in brain research · 2022

On this way, the concept of a multi-nodal network need to be embraced, enticing the collaboration of psychiatrists, psychologists, neurologists and neurosurgeons participating in multidisciplinary groups, conducting well-designed clinical trials.

clinical trialSchizophreniaiVNS

Transcutaneous auricular vagus nerve stimulation in disorders of consciousness: A mini-narrative review

Jang et al. · Medicine · 2022

Furthermore, neuroimaging studies should be undertaken to elucidate the neurological mechanisms for the recovery of impaired consciousness in DOC and the lasting effects of taVNS on the brain.

narrative reviewDisorders of ConsciousnesstaVNS

Non-invasive Vagus Nerve Stimulation in Treatment of Disorders of Consciousness - Longitudinal Case Study

Osińska et al. · Frontiers in neuroscience · 2022

Scores obtained in a 2 months follow-up period, though, suggest this may not have been a lasting improvement.

clinical trialDisorders of ConsciousnesstaVNS

Transcutaneous auricular vague nerve stimulation improved brain connection activity on patients of disorders of consciousness: a pilot study

Yifei et al. · Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2022

The energy of delta and beta bands is positively correlated with the brain activity of patients.

pilotDisorders of ConsciousnesstaVNS

Preliminary Study of Vagus Nerve Magnetic Modulation in Patients with Prolonged Disorders of Consciousness

Wang et al. · Neuropsychiatric disease and treatment · 2022

Both CRS-R and GCS results showed significant improvement in p DOC patients after VNMM treatment.

clinical trialDisorders of ConsciousnessiVNS

Auricular Vagus Nerve Stimulation Attenuates Lipopolysaccharide-Induced Acute Lung Injury by Inhibiting Neutrophil Infiltration and Neutrophil Extracellular Traps Formation

Zhang et al. · Shock (Augusta, Ga.) · 2022

We found that the treatment with AVNS significantly attenuated histopathological changes and neutrophil infiltration in the lung tissue, inhibited inflammatory cytokine elevations in serum and BALF, and decreased protein concentrations in BALF.

preclinicalSepsisiVNS

Threshold adjusted vagus nerve stimulation after asphyxial cardiac arrest results in neuroprotection and improved survival

Choudhary et al. · Bioelectronic medicine · 2022

In comparison to the control group, tVNS significantly improved 72 h survival and brain functional recovery after 12 minutes of CA.

preclinicalKidney DiseasetaVNS

Vagus nerve stimulation as a novel treatment for systemic lupus erythematous: study protocol for a randomised, parallel-group, sham-controlled investigator-initiated clinical trial, the SLE-VNS study

Zinglersen et al. · BMJ open · 2022

Recent studies suggest that transcutaneous vagus nerve stimulation (tVNS) has few side effects and beneficial effects on fatigue, pain, disease activity and organ function.

RCTChronic Fatigue SyndrometaVNS

Sciatic-Vagal Nerve Stimulation by Electroacupuncture Alleviates Inflammatory Arthritis in Lyme Disease-Susceptible C3H Mice

Akoolo et al. · Frontiers in immunology · 2022

However, arthritic manifestations and chronic fatigue syndrome-like symptoms persist long after completion of antibiotic treatment regimens in a significant number of patients.

preclinicalChronic Fatigue SyndrometaVNS

Vagus Nerve Stimulation-Induced Pseudo-Pheochromocytoma

Dutordoir et al. · Neuromodulation : journal of the International Neuromodulation Society · 2022

Study examining cancer support using taVNS.

clinical trialCancer SupporttaVNS

Vocal Outcomes in Vagus Nerve Stimulation: A Laryngeal Pattern-Based Objective Analysis

Saibene et al. · Journal of voice : official journal of the Voice Foundation · 2022

Furthermore, VNS activation determined an overall worsening of the perceptual and acoustically analysed voice quality: the grade of hoarseness, instability and breathiness parameters of the GRBASI (grade, roughness, breathiness, asthenia, strain, instability) scale and the jitter, shimmer and noi...

clinical trialCancer SupportiVNS

The role of age-associated autonomic dysfunction in inflammation and endothelial dysfunction

Jiang et al. · GeroScience · 2022

Consequently, a pro-inflammatory state induced by reduced vagus output with age is associated with endothelial dysfunction and may significantly contribute to the development and propagation of atherosclerosis, heart failure, and hypertension.

clinical trialAgeingtcVNS

Evaluation of Laryngeal Motor Neuropathy Using Transcranial Magnetic Stimulation-Mediated Evoked Potentials

Sadoughi et al. · The Laryngoscope · 2022

Enrolled subjects included 19 healthy volunteers, 5 subjects with VFP, and 4 subjects with VFPa.

clinical trialAgeingtaVNS
n = 5 subjects

Vagus nerve stimulation paired with rehabilitation for upper limb motor function after ischaemic stroke (VNS-REHAB): a randomised, blinded, pivotal, device trial

Dawson et al. · The Lancet · 2021

VNS paired with rehabilitation significantly improved upper limb motor function compared to rehabilitation with sham stimulation in chronic stroke patients at 90 days.

RCTStroke RehabilitationiVNS
n = 108 subjects

Direct and Transcutaneous Vagus Nerve Stimulation for Treatment of Tinnitus: A Scoping Review

Yakunina & Nam · Frontiers in Neuroscience · 2021

Both direct and transcutaneous VNS show potential for tinnitus treatment, with evidence suggesting that VNS combined with sound therapy may reduce tinnitus severity.

scoping reviewTinnitustaVNS

Transcutaneous Cervical Vagal Nerve Stimulation in Patients with Posttraumatic Stress Disorder (PTSD): A Pilot Study of Effects on PTSD Symptoms and Interleukin-6 Response to Stress

Bremner et al. · Journal of Affective Disorders Reports · 2021

Transcutaneous cervical VNS reduced PTSD symptom severity by 17% and attenuated interleukin-6 inflammatory responses to stress in patients with PTSD.

pilotPTSDtcVNS
n = 25 subjects

Effects of transcutaneous auricular vagus nerve stimulation on brain functional connectivity of medial prefrontal cortex in patients with primary insomnia

Zhang et al. · Anatomical Record · 2021

taVNS altered functional connectivity of the medial prefrontal cortex in patients with primary insomnia, providing a neuroimaging correlate for the sleep-improving effects of vagal stimulation.

pilotSleeptaVNS

Noninvasive Cervical Vagal Nerve Stimulation Alters Brain Activity During Traumatic Stress in Individuals With Posttraumatic Stress Disorder

Wittbrodt et al. · Psychosomatic Medicine · 2021

tcVNS increased anterior cingulate and hippocampus activation during trauma scripts, potentially indicating a reversal of neurobiological changes associated with PTSD.

RCTPTSDtcVNS
n = 22 subjects

Mechanisms underlying antidepressant effect of transcutaneous auricular vagus nerve stimulation on CUMS model rats based on hippocampal α7nAchR/NF-κB signal pathway

Wang et al. · Journal of neuroinflammation · 2021

Depression-like behavior and hippocampal neuroinflammation in CUMS model rats were manifested by down-regulated expression of α7nAchR, up-regulated expression of NF-κB p65 and IL-1β, and the morphology of microglia was in amoebic-like activated state.

preclinicalDepressiontaVNS

Transcutaneous auricular vagal nerve stimulation improves functional dyspepsia by enhancing vagal efferent activity

Zhu et al. · American journal of physiology. Gastrointestinal and liver physiology · 2021

In comparison with sham-ES, acute taVNS improved gastric accommodation (P = 0.008), increased the percentage of normal gastric slow waves (%NSW, fasting: P = 0.010; fed: P = 0.007) and vagal activity (fasting: P = 0.056; fed: P = 0.026).

preclinicalDepressiontaVNS

Feasibility study on transcutaneous auricular vagus nerve stimulation using millimeter waves

Song et al. · Biomedical physics & engineering express · 2021

The ta-VNS with a stimulus level of 13 dBm showed a significant increase in the LFP power in the NTS.

clinical trialDepressiontaVNS
n = 7 subjects

The burden and the challenge of treatment-resistant depression

Touloumis · Psychiatrike = Psychiatriki · 2021

The most widely accepted and used term of TRD refers to treatment resistance as treatment with at least two different antidepressants (of the same or different classes), administered in the right doses and for an adequate amount of time, with verified patient compliance to treatment which, howeve...

preclinicalDepressioniVNS

Vagus nerve stimulation in musculoskeletal diseases

Courties et al. · Joint bone spine · 2021

Several open-labeled small pilot studies have demonstrated that VNS, either invasive or transcutaneous, is associated with a significant decrease of RA disease activity.

preclinicalEpilepsyiVNS

Vagus Nerve Stimulation and Seizure Outcomes in Pediatric Refractory Epilepsy: Systematic Review and Meta-analysis

Jain et al. · Neurology · 2021

A total of 101 studies were included.

meta-analysisEpilepsyiVNS

Transcutaneous vagus nerve stimulation in the treatment of drug-resistant epilepsy

von Wrede et al. · Autonomic neuroscience : basic & clinical · 2021

Seizure severity scores were provided in 4 studies, showing significant improvement in two of them.

narrative reviewEpilepsytaVNS
n = 118 subjects

Treatment of Super-Refractory Status Epilepticus: A Review

Ochoa et al. · Epilepsy currents · 2021

For SRSE (level U; 39 class IV studies total), insufficient evidence exists to support that perampanel, PGB, lidocaine, or acute vagus nerve stimulation (VNS) is effective.

RCTEpilepsyiVNS

Transcutaneous auricular vagus nerve stimulation influences gastric motility: A randomized, double-blind trial in healthy individuals

Steidel et al. · Brain stimulation · 2021

After HF taVNS, GMI was significantly higher than after LF stimulation (p = 0.005), which was mainly attributable to a higher amplitude of the peristaltic waves (p = 0.003).

RCTEpilepsytaVNS

Neuromodulation in epilepsy: state-of-the-art approved therapies

Ryvlin et al. · The Lancet. Neurology · 2021

Until then, neuromodulation could be considered for individuals with intractable seizures, ideally after the possibility of curative surgical treatment has been carefully assessed and ruled out or judged less appropriate.

long-term studyEpilepsyiVNS

The SANTÉ study at 10 years of follow-up: Effectiveness, safety, and sudden unexpected death in epilepsy

Salanova et al. · Epilepsia · 2021

One hundred ten implanted subjects accumulated a total of 938 device-years of experience (69 subjects during the LTFU phase and 61 subjects in the CAP phase).

long-term studyEpilepsyiVNS
n = 69 subjects

Transcutaneous Vagus Nerve Stimulation (t-VNS) and epilepsy: A systematic review of the literature

Lampros et al. · Seizure · 2021

A total of 10 studies with 350 patients were included.

systematic reviewEpilepsytaVNS
n = 350 subjects

Transcutaneous auricular vagus nerve stimulation (taVNS) for migraine: an fMRI study

Zhang et al. · Regional anesthesia and pain medicine · 2021

Of the 59 patients that finished the study, those in the taVNS group had significantly reduced number of migraine days, pain intensity and migraine attack times after 4 weeks of treatment compared with the sham taVNS.

RCTMigrainetaVNS
n = 59 subjects

Acute Treatments for Episodic Migraine in Adults: A Systematic Review and Meta-analysis

VanderPluym et al. · JAMA · 2021

Evidence on triptans and nonsteroidal anti-inflammatory drugs was summarized from 15 systematic reviews.

meta-analysisMigrainetcVNS
n = 803 subjects

Neurostimulation Treatment in Chronic Cluster Headache-a Narrative Review

Evers et al. · Current pain and headache reports · 2021

These neurostimulation methods include deep brain stimulation, vagus nerve stimulation, greater occipital nerve stimulation, sphenopalatine ganglion stimulation, transcranial magnetic stimulation, transcranial direct current stimulation, supraorbital nerve stimulation, and cervical spinal cord st...

narrative reviewCluster HeadachetcVNS

Vagus Nerve Stimulation Reduces Indomethacin-Induced Small Bowel Inflammation

Caravaca et al. · Frontiers in neuroscience · 2021

Previous studies of inflammatory bowel disease (IBD), primarily in colitis, have shown reduced inflammation after electrical or pharmacological activation of the vagus nerve, but the scope and kinetics of this effect are incompletely understood.

preclinicalInflammationiVNS

Electroacupuncture ameliorates intestinal inflammation by activating α7nAChR-mediated JAK2/STAT3 signaling pathway in postoperative ileus

Yang et al. · Theranostics · 2021

Mechanistically, EA activated the α7nAChR-mediated JAK2/STAT3 signaling pathway in macrophages which reduced the production of inflammatory cytokines.

preclinicalInflammationiVNS

Anti-Inflammatory Effects of Acupuncture at ST36 Point: A Literature Review in Animal Studies

Oh et al. · Frontiers in immunology · 2021

In this review, we found that acupuncture at ST36 has clinical benefits in relieving inflammation through several mechanisms such as vagus nerve activation, toll-like receptor 4 (TLR4)/NF-κB signaling, macrophage polarization, mitogen-activated protein kinase (MAPK) signaling pathway, and choline...

preclinicalInflammationiVNS

The role of the cholinergic anti-inflammatory pathway in septic cardiomyopathy

Wang et al. · International immunopharmacology · 2021

This review aims to discuss the CAP in attenuating inflammation and the potential role of α7nAChR activation in regulating immune and reducing inflammation in SCM.

preclinicalInflammationiVNS

Vagal stimulation in heart failure

Dusi et al. · Herz · 2021

Vagal nerve stimulation (VNS) has a strong pathophysiological rationale as a potentially beneficial treatment for heart failure with reduced ejection fraction.

pilotHeart FailureiVNS

Chronic vagus nerve stimulation is associated with multi-year improvement in intrinsic heart rate recovery and left ventricular ejection fraction in ANTHEM-HF

Nearing et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2021

In response to chronic high-intensity vagus nerve stimulation (≥ 2.0 mA), intrinsic heart rate recovery (all time points, p < 0.0001), heart rate turbulence slope, an indicator of baroreceptor reflex gain (all, p ≤ 0.02), and left ventricular ejection fraction (all, p ≤ 0.04) were improved over s...

preclinicalHeart FailureiVNS

Effects of transcutaneous auricular vagus nerve stimulation on cardiovascular autonomic control in health and disease

Carandina et al. · Autonomic neuroscience : basic & clinical · 2021

Thus, in the present narrative review, we illustrate the main studies on tVNS performed in healthy subjects and in three key examples of CVDs, namely heart failure, hypertension and atrial fibrillation, highlighting the neuromodulatory effects of this technique.

preclinicalHeart HealthtaVNS

Vagus Nerve Stimulation as a Potential Adjuvant to Rehabilitation for Post-stroke Motor Speech Disorders

Morrison et al. · Frontiers in neuroscience · 2021

This partial restoration of function after rehabilitation suggests that there is a need for further intervention.

preclinicalStroke RehabilitationiVNS

Vagus nerve stimulation for upper limb motor impairment after ischemic stroke: A meta-analysis

Xie et al. · Medicine · 2021

Six studies consisting of 234 patients were included in the analysis.

meta-analysisStroke RehabilitationiVNS
n = 234 subjects

Vagus Nerve Stimulation for Upper Limb Function: Significant Difference, but Clinically Important?

Kwakkel et al. · Stroke · 2021

Study examining stroke rehabilitation using iVNS.

clinical trialStroke RehabilitationiVNS

Transcutaneous auricular vagus nerve stimulation reduces pain and fatigue in patients with systemic lupus erythematosus: a randomised, double-blind, sham-controlled pilot trial

Aranow et al. · Annals of the rheumatic diseases · 2021

taVNS and SS were well tolerated.

RCTPaintaVNS

Ameliorating effects and mechanisms of transcutaneous auricular vagal nerve stimulation on abdominal pain and constipation

Shi et al. · JCI insight · 2021

ECG was recorded for the assessment of autonomic function.ResultsCompared with sham-taVNS, (a) taVNS increased CSBMs/week (P = 0.001) and decreased VAS pain score (P = 0.001); (b) improved quality of life (P = 0.020) and decreased IBS symptom score (P = 0.001); (c) improved rectoanal inhibitory r...

preclinicalPaintaVNS

Therapeutic Potential of Vagus Nerve Stimulation for Inflammatory Bowel Diseases

Bonaz et al. · Frontiers in neuroscience · 2021

Bioelectronic medicine, via vagus nerve stimulation, may have an interest in this non-drug therapeutic approach as an alternative to conventional anti-TNF-alpha drugs, which are not devoid of side effects feared by patients.

clinical trialGut HealthiVNS

The brain-gut axis, inflammatory bowel disease and bioelectronic medicine

Eberhardson et al. · International immunology · 2021

The suggested control of gut immunity by the brain-gut axis represents a novel therapeutic target suitable for bioelectronic intervention.

clinical trialGut HealthiVNS

[Research progress and problems of neurobiological mechanisms of acupuncture underlying improvement of irritable bowel syndrome]

Chen et al. · Zhen ci yan jiu = Acupuncture research · 2021

For this reason, we should draw lessons from the research methods of systematic science to study the neurobiological mechanisms of acupuncture and moxibustion in the treatment of IBS, including the detailed links of peripheral and central nervous transmission of acupoint stimulation signals, and ...

RCTGut HealthtaVNS

Activation of central adenosine A2B receptors mediate brain ghrelin-induced improvement of intestinal barrier function through the vagus nerve in rats

Ishioh et al. · Experimental neurology · 2021

We have recently demonstrated that ghrelin acts in the brain to improve leaky gut via the vagus nerve.

preclinicalGut HealthtaVNS

Advances in the Treatment of Cholinergic Anti-Inflammatory Pathways in Gastrointestinal Diseases by Electrical Stimulation of Vagus Nerve

Lei et al. · Digestion · 2021

Inflammatory diseases in the gastrointestinal tract are frequent and difficult to treat.

clinical trialGut HealthtaVNS

Vagus nerve stimulation promotes extinction generalization across sensory modalities

Souza et al. · Neurobiology of learning and memory · 2021

We recently found that VNS-paired extinction can also promote extinction generalization across different auditory cues.

preclinicalPTSDtaVNS

Vagus nerve stimulation enhances fear extinction as an inverted-U function of stimulation intensity

Souza et al. · Experimental neurology · 2021

Pairing extinction training with moderate VNS intensity of 0.8 mA produced significant reduction in conditioned fear during extinction retention when rats were tested a week after VNS-paired extinction.

preclinicalPTSDtaVNS

Transcutaneous Cervical Vagus Nerve Stimulation Inhibits the Reciprocal of the Pulse Transit Time's Responses to Traumatic Stress in Posttraumatic Stress Disorder

Gazi et al. · Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference · 2021

Thereby computing relative changes in 1/PTT, we find that tcVNS results in reduced 1/PTT responses to traumatic stress and the first minute of stimulation, compared to a sham control (corrected p < 0.05).

RCTPTSDtcVNS

Brain Functional Mechanisms Determining the Efficacy of Transcutaneous Auricular Vagus Nerve Stimulation in Primary Insomnia

Wu et al. · Frontiers in neuroscience · 2021

The results showed that the HRV parameter values (i.e., root mean square of successive differences, percentage of adjacent NN intervals differing by >50 ms, and high frequency) of group A were higher than those of group B during continuous taVNS state.

preclinicalSleeptaVNS

Effect of Transcutaneous Auricular Vagus Nerve Stimulation on Protracted Alcohol Withdrawal Symptoms in Male Alcohol-Dependent Patients

Wang et al. · Frontiers in psychiatry · 2021

The results showed that the SDS and PSQI scores were significantly lower in the treatment group than in the control group.

clinical trialSleeptaVNS
n = 114 subjects

Vagus nerve stimulation for tinnitus: A review and perspective

De Ridder et al. · Progress in brain research · 2021

These findings have been translated into a clinical approach, where a clinically significant, but moderate improvement, in tinnitus distress and a modest benefit in tinnitus loudness perception has been shown.

preclinicalTinnitusiVNS

Tinnitus treatment by vagus nerve stimulation: A systematic review

Stegeman et al. · PloS one · 2021

Our search identified 9 primary studies of which 2 RCTs, 5 cohort studies and 2 case series or reports.

systematic reviewTinnitusiVNS

Selective Vagus Nerve Stimulation as a Therapeutic Approach for the Treatment of ARDS: A Rationale for Neuro-Immunomodulation in COVID-19 Disease

Mastitskaya et al. · Frontiers in neuroscience · 2021

This has motivated this review in which we discuss the mechanisms of anti-inflammatory effects of VNS, progress in selective VNS techniques, and a possible application for ARDS.

preclinicalLong COVIDtaVNS

Vagus Nerve Stimulation: A Potential Adjunct Therapy for COVID-19

Azabou et al. · Frontiers in medicine · 2021

Despite improved understanding of the pathophysiology, management, and the great efforts worldwide to produce effective drugs, death rates of COVID-19 patients remain unacceptably high, and effective treatment is unfortunately lacking.

preclinicalLong COVIDtaVNS
n = 19 subjects

Use of Transcutaneous Auricular Vagus Nerve Stimulation as an Adjuvant Therapy for the Depressive Symptoms of COVID-19: A Literature Review

Guo et al. · Frontiers in psychiatry · 2021

Our review suggests that the link between anti-inflammatory processes and brain circuits could be a potential target for treating COVID-19-related multiorgan damage, as well as depressive symptoms using taVNS.

preclinicalLong COVIDtaVNS

Auricular Neuromodulation for Mass Vagus Nerve Stimulation: Insights From SOS COVID-19 a Multicentric, Randomized, Controlled, Double-Blind French Pilot Study

Rangon et al. · Frontiers in physiology · 2021

Results: The AN procedure was well-tolerated without any reported side effects but with no significant improvement for the measures of both primary (p > 0.3) and secondary (p > 0.05) endpoints at the interim analysis.

RCTLong COVIDtaVNS
n = 31 subjects

Mental health during the COVID-19 pandemic and beyond: The importance of the vagus nerve for biopsychosocial resilience

Dedoncker et al. · Neuroscience and biobehavioral reviews · 2021

With these biopsychosocial insights in mind, researchers and healthcare professionals will be better equipped to reduce risk for psychopathology and increase resilience during this challenging pandemic period and beyond.

clinical trialLong COVIDtaVNS

Modulation of visual processing of food by transcutaneous vagus nerve stimulation (tVNS)

Alicart et al. · Brain imaging and behavior · 2021

We found significant activations in core areas of the vagal afferent pathway, including left brainstem, thalamus, temporal pole, amygdala, insula, hippocampus, and supplementary motor area for the interaction between ratings (high vs low) and session (verum vs sham stimulation).

clinical trialObesitytaVNS

Transcutaneous auricular vagal nerve stimulation inhibits hypothalamic P2Y1R expression and attenuates weight gain without decreasing food intake in Zucker diabetic fatty rats

Yu et al. · Science progress · 2021

Moreover, P2Y1R showed major expression in astrocytes of ZDF rats' hypothalamus.

preclinicalObesitytaVNS

Gut-brain communication by distinct sensory neurons differently controls feeding and glucose metabolism

Borgmann et al. · Cell metabolism · 2021

Bidirectional chemogenetic manipulations, coupled with behavioral and circuit mapping analysis, demonstrated that gut-innervating, glucagon-like peptide 1 receptor (GLP1R)-expressing vagal afferents relay anorexigenic signals to parabrachial nucleus neurons that control meal termination.

clinical trialMetabolictaVNS

Pancreatic β-Cells Communicate With Vagal Sensory Neurons

Makhmutova et al. · Gastroenterology · 2021

We found that pancreatic islets are innervated by vagal sensory axons expressing Phox2b, substance P, calcitonin-gene related peptide, and the serotonin receptor 5-HT3R.

clinical trialMetabolictaVNS

Brain plasticity and vagus nerve stimulation

Keute et al. · Autonomic neuroscience : basic & clinical · 2021

Experimental work suggests that VNS fosters a neurochemical milieu that facilitates synaptic plasticity and supports reinforcement mechanisms.

preclinicalNeuroplasticityiVNS

Acute vagus nerve stimulation enhances reversal learning in rats

Altidor et al. · Neurobiology of learning and memory · 2021

In separate rats, administration of the norepinephrine reuptake inhibitor atomoxetine also enhanced reversal learning in the same task, consistent with a noradrenergic mechanism through which VNS enhances cognitive flexibility.

preclinicalNeuroplasticityiVNS

Vagus nerve stimulation induces widespread cortical and behavioral activation

Collins et al. · Current biology : CB · 2021

Accumulating evidence suggests that VNS may modulate cortical state and plasticity through activation of broadly projecting neuromodulatory systems.

preclinicalNeuroplasticityiVNS

Transcutaneous Auricular Vagus Nerve Stimulation Improves Spatial Working Memory in Healthy Young Adults

Sun et al. · Frontiers in neuroscience · 2021

Results showed that offline taVNS could significantly increase hits in spatial 3-back task, whereas no effect was found in online taVNS or sham group.

clinical trialCognitive FunctiontaVNS

Vagus nerve stimulation in brain diseases: Therapeutic applications and biological mechanisms

Wang et al. · Neuroscience and biobehavioral reviews · 2021

Furthermore, current evidence showed promising results towards the treatment of more brain diseases, such as Parkinson's disease (PD), autistic spectrum disorder (ASD), traumatic brain injury (TBI), and stroke.

preclinicalParkinson's DiseasetaVNS

Noninvasive vagus nerve stimulation in Parkinson's disease: current status and future prospects

Sigurdsson et al. · Expert review of medical devices · 2021

While dopaminergic medication is the standard therapy in PD, it provides limited symptomatic treatment and non-pharmacological interventions are currently being trialed.

preclinicalParkinson's DiseaseiVNS

Vagus nerve ultrasonography in Parkinson's disease: A systematic review and meta-analysis

Abdelnaby et al. · Autonomic neuroscience : basic & clinical · 2021

The estimate mean difference in four studies showed that the VN CSA was smaller in PD patients with 0.29 mm2 (95% CI, -0.52 to -0.06) and 0.23 mm2 (95% CI, -0.42 to -0.05) for right and left VNs respectively.

meta-analysisParkinson's DiseasetaVNS

Vagus Nerve Stimulation with Mild Stimulation Intensity Exerts Anti-Inflammatory and Neuroprotective Effects in Parkinson's Disease Model Rats

Kin et al. · Biomedicines · 2021

VNS with 0.25-0.5 mA intensity remarkably improved behavioral impairment, preserved dopamine neurons, reduced inflammatory glial cells, and increased noradrenergic neurons.

preclinicalParkinson's DiseasetaVNS

Vagus nerve stimulation in rheumatoid arthritis

Staats et al. · The Lancet. Rheumatology · 2021

Study examining rheumatoid arthritis using iVNS.

clinical trialRheumatoid ArthritisiVNS

Non-invasive vagus nerve stimulation for rheumatoid arthritis: a proof-of-concept study

Marsal et al. · The Lancet. Rheumatology · 2021

Of 35 patients screened for eligibility, 30 (86%) were enrolled at six centres in Spain between Dec 27, 2018, and Oct 24, 2019, of whom 27 (90%) completed the week 12 visit.

preclinicalRheumatoid ArthritisiVNS
n = 35 subjects

Vagus nerve stimulation in rheumatoid arthritis - Authors' reply

Genovese et al. · The Lancet. Rheumatology · 2021

Study examining rheumatoid arthritis using iVNS.

clinical trialRheumatoid ArthritisiVNS

Technical Note: Modulation of fMRI brainstem responses by transcutaneous vagus nerve stimulation

Borgmann et al. · NeuroImage · 2021

We found a significant response to acute taVNS stimulation, relative to the control condition, in downstream targets of vagal afferents, including the nucleus of the solitary tract, the substantia nigra, and the subthalamic nucleus.

clinical trialNeuroimagingtaVNS

Noninvasive vagus nerve stimulation to reduce ileus after major colorectal surgery: early development study

Chapman et al. · Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2021

Forty patients were randomized and one withdrew, leaving 39 for analysis.

RCTPostoperative RecoveryiVNS

The role of the vagus nerve in fibromyalgia syndrome

Martins et al. · Neuroscience and biobehavioral reviews · 2021

A model of FM pathogenesis suggests biological and psychosocial variables interact to influence the genetic predisposition, but the precise mechanisms remain unclear.

clinical trialFibromyalgiataVNS

[Intestinal flora and neurological disorders]

Tang et al. · Sheng wu gong cheng xue bao = Chinese journal of biotechnology · 2021

It is expected the research on intestinal flora would lead to novel approaches for treatment of some neurological disorders.

clinical trialMultiple SclerosistaVNS

Review of the treatment options for epilepsy in tuberous sclerosis complex: towards precision medicine

Schubert-Bast et al. · Therapeutic advances in neurological disorders · 2021

Epilepsy occurs frequently and is associated with significant morbidity and mortality; however, the management is challenging due to the intractable nature of the seizures.

narrative reviewMultiple SclerosistaVNS

Scope for Vagus Nerve Stimulation in Traumatic Brain Injury

Kumaria et al. · Neuromodulation : journal of the International Neuromodulation Society · 2021

Study examining traumatic brain injury using iVNS.

clinical trialTraumatic Brain InjuryiVNS

Outpatient vagus nerve stimulation surgery in patients with drug-resistant epilepsy with severe intellectual disability

Mezjan et al. · Epilepsy & behavior : E&B · 2021

The male-to-female ratio was 0.9 and the mean age on surgery day was 23.1 years.

clinical trialAutismiVNS

Neuroscience: Boosting the brain

Sirigu et al. · Current biology : CB · 2021

New research provides evidence that this effect results from extensive increase of physiological arousal and brain activation.

clinical trialAutismtaVNS

Neuroimmune system-mediated renal protection mechanisms

Inoue · Clinical and experimental nephrology · 2021

Previous animal studies demonstrated that vagus nerve stimulation reduced renal ischemia-reperfusion injury.

preclinicalKidney DiseaseiVNS

Transcutaneous vagus nerve stimulation in patients with attention-deficit/hyperactivity disorder: A viable option?

Zaehle et al. · Progress in brain research · 2021

At the system level, reduced availability of the neurotransmitters dopamine (DA) and norepinephrine (NE) but also γ-aminobutyric acid (GABA) have been repeatedly demonstrated.

clinical trialADHDtaVNS

Vagus Nerve Stimulation Ameliorates Cognitive Impairment and Increased Hippocampal Astrocytes in a Mouse Model of Gulf War Illness

Venkatasamy et al. · Neuroscience insights · 2021

The results also showed an increased number of GFAP-labeled astrocytes in the hippocampus and dentate gyrus that was ameliorated by VNS.

preclinicalChronic Fatigue SyndrometaVNS

A neuroanatomical basis for electroacupuncture to drive the vagal-adrenal axis

Liu et al. · Nature · 2021

Our studies provide a neuroanatomical basis for the selectivity and specificity of acupoints in driving specific autonomic pathways.

preclinicalCancer SupporttaVNS

Vagus Nerve Stimulation for Tumor-Related Epilepsy: Does It Make Sense?

Lam et al. · The Permanente journal · 2021

Here we discuss the evidence of using vagus nerve stimulation for refractory tumor-related epilepsy and its challenges and gaps moving forward.

clinical trialCancer SupporttaVNS

Hydrogel-based electrodes for selective cervical vagus nerve stimulation

Horn et al. · Journal of neural engineering · 2021

changes in heart rate or blood pressure).Main results.This study demonstrates the potential for selective cervical VNS as a therapeutic approach for modulating distal nerve branches while reducing off target effects.Significance.This methodology could potentially be refined to treat gastrointesti...

clinical trialCancer SupportiVNS

Effect of aging on vagus somatosensory evoked potentials and ultrasonographic parameters of the vagus nerve

Laucius et al. · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2021

No differences were found between the younger and older groups when comparing the average VN CSA (2.01 ± 0.20 vs 2.05 ± 0.20, mm2; p = 0.570) or the CSA of the right (2.08 ± 0.19 vs 2.17 ± 0.24, mm2; p = 0.233) or left VN (1.94 ± 0.26 vs 1.93 ± 0.24, mm2; p = 0.911).

pilotAgeingtaVNS
n = 20 subjects

Effect of Transcutaneous Vagus Nerve Stimulation at Auricular Concha for Insomnia: A Randomized Clinical Trial

Jiao et al. · Evidence-Based Complementary and Alternative Medicine · 2020

Four weeks of taVNS significantly improved Pittsburgh Sleep Quality Index scores and sleep efficiency in patients with chronic insomnia compared to sham stimulation.

RCTSleeptaVNS
n = 72 subjects

The Impact of Auricular Vagus Nerve Stimulation on Pain and Life Quality in Patients with Fibromyalgia Syndrome

Kutlu et al. · BioMed Research International · 2020

Auricular VNS was evaluated alongside exercise therapy in fibromyalgia patients, with improvements observed in select quality-of-life subparameters over 4 weeks of treatment.

RCTPaintaVNS
n = 60 subjects

Transcutaneous cervical vagal nerve stimulation reduces sympathetic responses to stress in posttraumatic stress disorder: A double-blind, randomized, sham controlled trial

Gurel et al. · Neurobiology of Stress · 2020

tcVNS attenuated sympathetic arousal during traumatic and mental stress in PTSD patients, decreasing heart rate and increasing peripheral vasodilation compared to sham over a three-day protocol.

RCTPTSDtcVNS
n = 25 subjects

Transcutaneous vagal nerve stimulation blocks stress-induced activation of Interleukin-6 and interferon-gamma in posttraumatic stress disorder: A double-blind, randomized, sham-controlled trial

Bremner et al. · Brain, Behavior, & Immunity - Health · 2020

tcVNS blocked stress-induced increases in IL-6 and IFN-gamma in PTSD patients, demonstrating anti-inflammatory effects of vagal stimulation during traumatic stress exposure.

RCTPTSDtcVNS
n = 25 subjects

Vagus Nerve Stimulation Paired With Upper-Limb Rehabilitation After Stroke: One-Year Follow-up

Dawson et al. · Neurorehabilitation and Neural Repair · 2020

At one-year follow-up, FMA-UE scores had increased by 9.2 points from baseline in the active VNS group, demonstrating durable long-term improvements with good treatment adherence.

long-term studyStroke RehabilitationiVNS
n = 17 subjects

A prospective, multi-center randomized, controlled, blinded trial of vagus nerve stimulation for difficult to treat depression: A novel design for a novel treatment

Conway et al. · Contemporary clinical trials · 2020

This RCT is unique for DTD studies: 1) large sample size and long study duration (one year of controlled comparison); 2) use of a percent time in response as the primary outcome measure, given the chronic illness and its fluctuating course (vis-à-vis meeting a response criteria at a single time p...

RCTDepressioniVNS

Efficacy and brain mechanism of transcutaneous auricular vagus nerve stimulation for adolescents with mild to moderate depression: Study protocol for a randomized controlled trial

Xiao et al. · Pediatric investigation · 2020

The aim of this study was to investigate the efficacy and mechanism of taVNS for adolescents with mild to moderate depression.

RCTDepressiontaVNS

Neural networks and the anti-inflammatory effect of transcutaneous auricular vagus nerve stimulation in depression

Liu et al. · Journal of neuroinflammation · 2020

Our previous research established that taVNS significantly increases amygdala-dorsolateral prefrontal cortex connectivity, which is associated with a reduction in depression severity.

clinical trialDepressiontaVNS

Critical Review of Transcutaneous Vagus Nerve Stimulation: Challenges for Translation to Clinical Practice

Yap et al. · Frontiers in neuroscience · 2020

For tVNS to reach its full potential as a non-invasive and clinically relevant therapy, it is imperative that systematic studies be undertaken to reveal the mechanism of action and optimal stimulation modalities.

preclinicalDepressiontaVNS

Adjunctive Vagus Nerve Stimulation for Treatment-Resistant Depression: a Quantitative Analysis

Zhang et al. · The Psychiatric quarterly · 2020

Adjunctive VNS was significantly superior to the control group regarding study-defined response [SMD:1.96 (95%CI:1.60, 2.40), P < 0.00001, I2 = 0%].

meta-analysisDepressioniVNS
n = 1,048 subjects

Vagus nerve stimulation for treatment-resistant depression: is this therapy distinct from other antidepressant treatments?

Vlaicu et al. · International journal of psychiatry in clinical practice · 2020

The patients with TRD may show acute and long-term benefit when treated with this technique.

clinical trialDepressioniVNS

Learnings from 30 years of reported efficacy and safety of vagus nerve stimulation (VNS) for epilepsy treatment: A critical review

Toffa et al. · Seizure · 2020

Subsequent modifications improved the safety and the efficacy of the system.

narrative reviewDepressiontaVNS

Vagus nerve stimulation for drug-resistant epilepsy

Pérez-Carbonell et al. · Practical neurology · 2020

Long-term uncontrolled studies suggest better responses to VNS over time; however, the assessment of other potential predictive factors has led to contradictory results.

RCTEpilepsyiVNS

Transcutaneous vagus nerve stimulation for the treatment of drug-resistant epilepsy: a meta-analysis and systematic review

Wu et al. · ANZ journal of surgery · 2020

The results showed a significant difference in seizure frequency between treatment group and control group (Z = 2.14, P = 0.03, 95% confidence interval (CI) -6.31 to -0.27; I2 = 10%).

meta-analysisEpilepsytaVNS

Long-term effects of vagus nerve stimulation in refractory pediatric epilepsy: A single-center experience

Yalnizoglu et al. · Epilepsy & behavior : E&B · 2020

A total of 58 children (male/female: 40/18) with a mean follow-up duration of 5.7 years (3 months to 20 years) were included.

long-term studyEpilepsyiVNS
n = 58 subjects

International Consensus Based Review and Recommendations for Minimum Reporting Standards in Research on Transcutaneous Vagus Nerve Stimulation (Version 2020)

Farmer et al. · Frontiers in human neuroscience · 2020

The suggested items address specific technical aspects of the device and stimulation parameters.

narrative reviewEpilepsytaVNS

Cervical Noninvasive Vagus Nerve Stimulation for Migraine and Cluster Headache: A Systematic Review and Meta-Analysis

Lai et al. · Neuromodulation : journal of the International Neuromodulation Society · 2020

In total, 983 patients were included from six trials.

meta-analysisMigraineiVNS
n = 983 subjects

Non-invasive vagus nerve stimulation for primary headache: A clinical update

Silberstein et al. · Cephalalgia : an international journal of headache · 2020

Findings from animal and human studies have provided possible mechanistic explanations for nVNS efficacy in headache involving four core areas: Autonomic nervous system functions; cortical spreading depression inhibition; neurotransmitter regulation; and nociceptive modulation.

RCTCluster HeadacheiVNS

Specific vagus nerve stimulation parameters alter serum cytokine levels in the absence of inflammation

Tsaava et al. · Bioelectronic medicine · 2020

Surprisingly, we found that specific combinations of pulse width, pulse amplitude, and frequency produced significant increases of the pro-inflammatory cytokine tumor necrosis factor (TNF), while other parameters selectively lowered serum TNF levels, as compared to sham-stimulated mice.

preclinicalInflammationiVNS

The cholinergic anti-inflammatory pathway in chronic kidney disease-review and vagus nerve stimulation clinical pilot study

Hilderman et al. · Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2020

Controlling inflammation by neuroimmune modulation may lead to new therapeutic modalities for improved treatment, outcome, prognosis and quality of life for patients with CKD.

pilotInflammationiVNS

Non-canonical cholinergic anti-inflammatory pathway in IBD

de Araujo et al. · Nature reviews. Gastroenterology & hepatology · 2020

A new study identifies a hepatic vagal branch pathway necessary to maintain colonic immune cell homeostasis in experimental colitis, challenging the dogma that an anti-inflammatory reflex requires an intact spleen and that α7-nicotinic receptor agonists are a panacea for inflammatory conditions.

preclinicalInflammationiVNS

Cholinergic anti-inflammatory pathway and its role in treatment of sepsis

Zi et al. · Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2020

It has been shown that there are many possible effective treatments for sepsis, including vagus nerve stimulation by physical therapy, drugs such as acetylcholine receptor agonist and ultrasound therapy.

preclinicalInflammationiVNS

Comparison of symptomatic and functional responses to vagus nerve stimulation in ANTHEM-HF, INOVATE-HF, and NECTAR-HF

Anand et al. · ESC heart failure · 2020

In this post-hoc analysis, differences in patient demographics were seen and may have caused the differential responses in symptoms and function observed in association with VNS.

preclinicalHeart FailureiVNS

Autonomic Modulation of Cardiac Arrhythmias: Methods to Assess Treatment and Outcomes

Stavrakis et al. · JACC. Clinical electrophysiology · 2020

Although the use of autonomic modulation to treat cardiac arrhythmias is supported by strong preclinical data and preliminary studies in humans, in light of the disappointing results of a number of recent randomized clinical trials of autonomic modulation therapies in heart failure, the need for ...

RCTHeart FailureiVNS

TREAT AF (Transcutaneous Electrical Vagus Nerve Stimulation to Suppress Atrial Fibrillation): A Randomized Clinical Trial

Stavrakis et al. · JACC. Clinical electrophysiology · 2020

Baseline characteristics were balanced between the 2 groups.

RCTHeart HealthtaVNS

Low-Level Tragus Stimulation for Atrial Fibrillation: A Glimpse of Hope for Neuromodulation?

Qin et al. · JACC. Clinical electrophysiology · 2020

Study examining heart health using taVNS.

RCTHeart HealthtaVNS

Low-Level Vagus Nerve Stimulation Reverses Obstructive Sleep Apnea-Related Atrial Fibrillation by Ameliorating Sympathetic Hyperactivity and Atrial Myocyte Injury

Guo et al. · Frontiers in physiology · 2020

In the OSA+LLVS group, the atrial effective refractory period was significantly lengthened while the sinus node recovery time and AF duration decreased after the 4th hour, and the expression level of Cx40 and Cx43 was significantly increased compared to the OSA group.

preclinicalHeart HealthtaVNS
n = 6 subjects

The anatomical basis for transcutaneous auricular vagus nerve stimulation

Butt et al. · Journal of anatomy · 2020

Given the therapeutic potential of auricular tVNS, there remains a need for the cutaneous map of the ABVN to be further refined and the effects of various stimulation parameters and stimulation sites to be determined.

clinical trialPaintaVNS

Vagus Nerve Stimulation and the Cardiovascular System

Capilupi et al. · Cold Spring Harbor perspectives in medicine · 2020

Here, we review the current state of preclinical and clinical studies, as well as the potential application of VNS in relation to the cardiovascular system.

preclinicalGut HealthiVNS

A 12-month pilot study outcomes of vagus nerve stimulation in Crohn's disease

Sinniger et al. · Neurogastroenterology and motility · 2020

This study is the continuation of previous reported findings at 6 months.

pilotGut HealthiVNS

Potential of Electrical Neuromodulation for Inflammatory Bowel Disease

Cheng et al. · Inflammatory bowel diseases · 2020

Further randomized controlled trials and basic experiments are needed to investigate efficacy and clarify intrinsic mechanisms.

clinical trialGut HealthiVNS

Efficient parameters of vagus nerve stimulation to enhance extinction learning in an extinction-resistant rat model of PTSD

Souza et al. · Progress in neuro-psychopharmacology & biological psychiatry · 2020

Delivery of the standard LONG VNS trains (30 s) at 0.4 mA enhanced extinction and reduced anxiety but did not prevent fear return.

preclinicalPTSDtaVNS

Application of Noninvasive Vagal Nerve Stimulation to Stress-Related Psychiatric Disorders

Bremner et al. · Journal of personalized medicine · 2020

This paper reviewed the physiology of the vagus nerve and its relevance to modulating the stress response in the context of application of nVNS to stress-related psychiatric disorders.

RCTPTSDiVNS

Vagus nerve stimulation paired with tones for tinnitus suppression: Effects on voice and hearing

Kochilas et al. · Laryngoscope investigative otolaryngology · 2020

Most of the regression functions for the vocal samples and audiometric variables had slope values that were not significantly different from zero.

clinical trialTinnitusiVNS

Stress and Tinnitus; Transcutaneous Auricular Vagal Nerve Stimulation Attenuates Tinnitus-Triggered Stress Reaction

Ylikoski et al. · Frontiers in psychology · 2020

The large majority of patients with TRMS suffer from associated symptoms such as sleep disturbances and anxiety.

clinical trialTinnitustaVNS
n = 171 subjects

The Use of Non-invasive Vagus Nerve Stimulation to Treat Respiratory Symptoms Associated With COVID-19: A Theoretical Hypothesis and Early Clinical Experience

Staats et al. · Neuromodulation : journal of the International Neuromodulation Society · 2020

Both patients reported clinically meaningful benefits from nVNS therapy.

preclinicalLong COVIDiVNS

Non-invasive Auricular Vagus Nerve Stimulation as a Potential Treatment for Covid19-Originated Acute Respiratory Distress Syndrome

Kaniusas et al. · Frontiers in physiology · 2020

Finally, we discuss auricular vagus nerve stimulation protective potential, especially in the elderly and co-morbid population with already reduced parasympathetic response.

preclinicalLong COVIDtcVNS

Targeting the cholinergic anti-inflammatory pathway with vagus nerve stimulation in patients with Covid-19?

Bonaz et al. · Bioelectronic medicine · 2020

Finally, a continuous vagal tone monitoring in patients with COVID-19 could be used as a predictive marker of COVID-19 illness course but also as a predictive marker of response to COVID-19 treatment such as VNS or others.

preclinicalLong COVIDtaVNS
n = 19 subjects

Clinically-derived vagus nerve stimulation enhances cerebrospinal fluid penetrance

Cheng et al. · Brain stimulation · 2020

We found that the clinical VNS group showed a significant increase in CSF tracer penetrance as compared to the naïve control and sham groups.

preclinicalObesitytaVNS

Effects and Mechanisms of Vagal Nerve Stimulation on Body Weight in Diet-Induced Obese Rats

Dai et al. · Obesity surgery · 2020

In DIO rats, the food intake (p < 0.001) and body weight (p < 0.001) were significantly decreased in the VNS group, compared with the sham-VNS group.

preclinicalObesitytaVNS

Differential effects of vagus nerve stimulation strategies on glycemia and pancreatic secretions

Payne et al. · Physiological reports · 2020

Applying 15 Hz stimulation significantly increased glucose (+2.9 ± 0.2 mM·hr, p = .015) and glucagon (+17.1 ± 8.0 pg·hr/ml, p = .022), compared to no stimulation.

preclinicalMetaboliciVNS

Glucose signaling in the brain and periphery to memory

Hossain et al. · Neuroscience and biobehavioral reviews · 2020

In addition, we also discussed the alteration of glucose-signaling in type-2 diabetes mellitus (T2DM) and a possible link to Alzheimer's disease (AD) pathologies.

preclinicalMetabolictaVNS

No modulation of postprandial metabolism by transcutaneous auricular vagus nerve stimulation: a cross-over study in 15 healthy men

Vosseler et al. · Scientific reports · 2020

Experimental evidence suggests a crucial role of the autonomic nervous system in whole body metabolism with major regulatory effects of the parasympathetic branch in postprandial adaptation.

clinical trialMetabolictaVNS

Vagus nerve stimulation and Neurotrophins: a biological psychiatric perspective

Rosso et al. · Neuroscience and biobehavioral reviews · 2020

Today, VNS is suggested as possible therapy for a larger spectrum of psychiatric disorders, including schizophrenia, obsessive compulsive disorders, and panic disorders.

preclinicalNeuroplasticityiVNS

Transcutaneous Vagus Nerve Stimulation Does Not Affect Verbal Memory Performance in Healthy Volunteers

Mertens et al. · Frontiers in psychology · 2020

In this randomized study, tVNS did not affect the accuracy scores for immediate recall or delayed recognition in both age groups.

RCTCognitive FunctiontaVNS

Auricular transcutaneous vagus nerve stimulation improves memory persistence in naïve mice and in an intellectual disability mouse model

Vázquez-Oliver et al. · Brain stimulation · 2020

We found that atVNS significantly improves memory persistence in naïve mice.

preclinicalCognitive FunctiontaVNS

Freezing of gait in Parkinson's disease: pathophysiology, risk factors and treatments

Gao et al. · Translational neurodegeneration · 2020

FOG model hypotheses are helpful for better understanding and characterizing FOG and they provide clues for further research exploration.

preclinicalParkinson's DiseasetaVNS

Differential effects of vagus nerve stimulation paradigms guide clinical development for Parkinson's disease

Farrand et al. · Brain stimulation · 2020

At higher VNS frequencies, specifically microburst VNS, greater improvements occurred in motor function, attenuation of TH-positive cell loss in SN and LC, and norepinephrine concentration in the PFC.

preclinicalParkinson's DiseasetaVNS

Improving Effects of Hop-Derived Bitter Acids in Beer on Cognitive Functions: A New Strategy for Vagus Nerve Stimulation

Ayabe et al. · Biomolecules · 2020

For instance, resveratrol, a polyphenolic compound found in red wine, has been well studied and reported to prevent dementia and cognitive decline.

preclinicalAlzheimer's DiseaseiVNS

Vagus Nerve Stimulation Decreases Pancreatitis Severity in Mice

Zhang et al. · Frontiers in immunology · 2020

VNS reduced plasma lipase and amylase activities, blunted the concentrations of TNF-α and protected against pancreas histologic damage in two AP models.

preclinicalRheumatoid ArthritisiVNS

Noninvasive vagus nerve stimulation and the trigeminal autonomic reflex: An fMRI study

Möller et al. · Neurology · 2020

nVNS prompted an increase in activation of the left pontine nucleus and a decreased activation of the right parahippocampal gyrus.

clinical trialNeuroimagingiVNS

Challenges of Epilepsy Surgery

Kuzan-Fischer et al. · World neurosurgery · 2020

We review several challenges of epilepsy surgery that must be thoughtfully addressed in order to ensure its success.

preclinicalNeuroimagingtaVNS

Postoperative Ileus and Postoperative Gastrointestinal Tract Dysfunction: Pathogenic Mechanisms and Novel Treatment Strategies Beyond Colorectal Enhanced Recovery After Surgery Protocols

Mazzotta et al. · Frontiers in pharmacology · 2020

However, despite colorectal enhanced recovery after surgery, it remains a significant medical problem and burden on the healthcare system.

narrative reviewPostoperative RecoverytcVNS

Ameliorating Effects and Mechanisms of Intra-Operative Vagal Nerve Stimulation on Postoperative Recovery After Sleeve Gastrectomy in Rats

Tian et al. · Obesity surgery · 2020

In comparison with sham-iVNS, (1) iVNS accelerated the first drinking time (P = 0.01) and first defecation time (P = 0.02), increased the weight of stool in postoperative day (POD) 1 (P = 0.01) and POD3 (P = 0.01), and reduced postoperative pain at 24 h after surgery (P = 0.01); (2) physiological...

preclinicalPostoperative RecoveryiVNS

Motivational nondirective resonance breathing versus transcutaneous vagus nerve stimulation in the treatment of fibromyalgia: study protocol for a randomized controlled trial

Paccione et al. · Trials · 2020

However, current research within the field of vagal nerve innervation suggests psychophysiological and electrical means by which FM may be treated.

RCTFibromyalgiataVNS

Vagus Nerve Stimulation Attenuates Early Traumatic Brain Injury by Regulating the NF-κB/NLRP3 Signaling Pathway

Tang et al. · Neurorehabilitation and neural repair · 2020

The results showed that VNS significantly ameliorated tissue damage, neurological deficits, and cerebral edema, compared with the sham VNS group.

clinical trialTraumatic Brain InjuryiVNS

Transcutaneous Vagus Nerve Stimulation in Patients With Severe Traumatic Brain Injury: A Feasibility Trial

Hakon et al. · Neuromodulation : journal of the International Neuromodulation Society · 2020

The tVNS regime of four hours daily for eight weeks was feasible and well tolerated with little side effects and no clinically relevant effects on physiological parameters.

preclinicalTraumatic Brain InjurytaVNS

Transcranial magnetic stimulation, deep brain stimulation, and other forms of neuromodulation for substance use disorders: Review of modalities and implications for treatment

Mahoney et al. · Journal of the neurological sciences · 2020

One such approach involves neuromodulation which has been used therapeutically for neurological and psychiatric disorders and has demonstrated positive preliminary findings for the treatment of substance use disorder.

preclinicalAddictiontaVNS

Non-invasive brain stimulation modalities for the treatment and prevention of opioid use disorder: a systematic review of the literature

Young et al. · Journal of addictive diseases · 2020

TMS and tDCS have demonstrated effects on cravings, although published studies were limited by small sample sizes.

systematic reviewAddictiontcVNS

[Interictal psychosis of epilepsy]

de Toffol et al. · L'Encephale · 2020

Neuropathological data suggest that IIP are not the result of classic epileptic pathology of the temporal lobe.

clinical trialSchizophreniaiVNS

Transcutaneous Auricular Vagal Nerve Stimulation and Disorders of Consciousness: A Hypothesis for Mechanisms of Action

Briand et al. · Frontiers in neurology · 2020

Additionally, we suggest six different mechanisms of action: (1) Activation of the ascending reticular activating system; (2) Activation of the thalamus; (3) Re-establishment of the cortico-striatal-thalamic-cortical loop; (4) Promotion of negative connectivity between external and default mode n...

clinical trialDisorders of ConsciousnesstaVNS

Feasibility, safety and efficacy of transauricular vagus nerve stimulation in a cohort of patients with disorders of consciousness

Noé et al. · Brain stimulation · 2020

Study examining disorders of consciousness using iVNS.

cohortDisorders of ConsciousnessiVNS

Vagus nerve stimulation even after injury ameliorates cisplatin-induced nephropathy via reducing macrophage infiltration

Uni et al. · Scientific reports · 2020

However, there have been no reports that have demonstrated the effectiveness of VNS after injury.

preclinicalKidney DiseaseiVNS

Applications of Non-invasive Neuromodulation for the Management of Disorders Related to COVID-19

Baptista et al. · Frontiers in neurology · 2020

Non-invasive neuromodulation is a toolbox of techniques that based on targeted pathways and empirical evidence (largely in non-COVID-19 patients) can be investigated in the management of patients with COVID-19.

preclinicalChronic Fatigue SyndrometcVNS
n = 19 subjects

Thirty years of translational research in Mobility Medicine: Collection of abstracts of the 2020 Padua Muscle Days

Carraro · European journal of translational myology · 2020

More than half a century of skeletal muscle research is continuing at Padua University (Italy) under the auspices of the Interdepartmental Research Centre of Myology (CIR-Myo), the European Journal of Translational Myology (EJTM) and recently also with the support of the A&CM-C Foundation for Tra...

clinical trialChronic Fatigue SyndrometaVNS

Noradrenergic Regulation of Cognitive Flexibility: No Effects of Stress, Transcutaneous Vagus Nerve Stimulation, and Atomoxetine on Task-switching in Humans

Tona et al. · Journal of cognitive neuroscience · 2020

Participants showed typical switch costs, which decreased with the time available for preparation.

clinical trialStress & PerformancetaVNS
n = 48 subjects

Effects of prefrontal transcranial direct current stimulation on autonomic and neuroendocrine responses to psychosocial stress in healthy humans

Carnevali et al. · Stress (Amsterdam, Netherlands) · 2020

One single session of excitatory tDCS over the left DLPFC (i) reduced HR and favored a larger vagal prevalence prior to stress exposure, (ii) moderated stress-induced HR acceleration and sympathetic activation/vagal withdrawal, but (iii) had no effect on stress-induced cortisol release.

clinical trialStress & PerformancetaVNS
n = 15 subjects

Transcutaneous vagus nerve stimulation reduces spontaneous but not induced negative thought intrusions in high worriers

Burger et al. · Biological Psychology · 2019

taVNS reduced spontaneous negative thought intrusions in high worriers compared to sham stimulation, suggesting vagal afferent pathways may modulate anxiety-related rumination.

RCTAnxietytaVNS
n = 97 subjects

Effect of transcutaneous vagus nerve stimulation on muscle activity in the gastrointestinal tract (transVaGa)

Hong et al. · International Journal of Colorectal Disease · 2019

Transcutaneous auricular VNS modulated gastrointestinal muscle activity as measured by electromyography, supporting its therapeutic potential for gastrointestinal motility disorders.

pilotGut HealthtaVNS
n = 14 subjects

Effects of transcutaneous vagus nerve stimulation in individuals aged 55 years or above: potential benefits of daily stimulation

Bretherton et al. · Aging · 2019

Two weeks of daily taVNS improved autonomic balance, baroreflex sensitivity, and some aspects of quality of life, mood, and sleep in adults aged 55 and over.

RCTAgeingtaVNS
n = 29 subjects

Non-invasive vagus nerve stimulation (nVNS) for the preventive treatment of episodic migraine: The multicentre, double-blind, randomised, sham-controlled PREMIUM trial

Diener et al. · Cephalalgia · 2019

Though the primary endpoint was not met, post hoc analysis of adherent patients showed significant benefit of nVNS for migraine prevention, with sham device inadvertently found to have parasympathetic activity.

RCTMigrainetcVNS
n = 477 subjects

Vagus nerve stimulation (VNS) therapy in patients with treatment resistant depression: A systematic review and meta-analysis

Bottomley et al. · Comprehensive psychiatry · 2019

Of 22 identified studies, there were two randomized controlled (RCT), sixteen single-arm and four non-randomized comparative studies.

meta-analysisDepressioniVNS

Vagus Nerve Stimulation As an Adjunctive Neurostimulation Tool in Treatment-resistant Depression

Moeller et al. · Journal of visualized experiments : JoVE · 2019

The current protocol describes delivery of the specific stimulation tool and methods for adjusting the tuning parameters to achieve the best remission rates in patients with TRD.

clinical trialDepressioniVNS

Research progress of vagus nerve stimulation in the treatment of epilepsy

Fan et al. · CNS neuroscience & therapeutics · 2019

In this review, we systematically describe the clinical application, clinical effects, possible antiepileptic mechanisms, and future research directions of VNS for epilepsy.

preclinicalEpilepsyiVNS

30 years of vagus nerve stimulation trials in epilepsy: Do we need neuromodulation-specific trial designs?

Dibué-Adjei et al. · Epilepsy research · 2019

Although no comparative trials of these treatments have been performed, published data and clinical experience suggest comparable effectiveness.

preclinicalEpilepsyiVNS

Empirically Based Guidelines for Selecting Vagus Nerve Stimulation Parameters in Epilepsy and Heart Failure

Musselman et al. · Cold Spring Harbor perspectives in medicine · 2019

Outcomes of preclinical studies and clinical trials indicate that the selection of stimulation parameters has a direct impact on therapeutic efficacy and patient tolerability, suggesting that both the efficacy and tolerability of VNS could potentially be improved with a change in stimulation para...

preclinicalEpilepsyiVNS

Transcutaneous Auricular Vagus Nerve Stimulation

Ellrich · Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society · 2019

Whereas invasive VNS is an established neuromodulatory treatment in drug-resistant epilepsy, transcutaneous VNS (tVNS) of the auricular branch of the vagus nerve is suggested to be an alternative access path to the same neuronal network without invasiveness.

clinical trialEpilepsytaVNS

Acute vestibular migraine treatment with noninvasive vagus nerve stimulation

Beh et al. · Neurology · 2019

In those with acute VM, vertigo improved in 13/14 (complete resolution in 2, at least 50% improvement in 5).

RCTMigraineiVNS

Differential efficacy of non-invasive vagus nerve stimulation for the acute treatment of episodic and chronic cluster headache: A meta-analysis

de Coo et al. · Cephalalgia : an international journal of headache · 2019

The pooled population included 225 participants (episodic: n = 112; chronic: n = 113) from ACT1 (n = 133) and ACT2 (n = 92) in the nVNS (n = 108) and sham (n = 117) groups.

meta-analysisCluster HeadacheiVNS
n = 225 subjects

Cardiovascular autonomic effects of vagus nerve stimulation

Garamendi-Ruiz et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2019

These studies have found subtle or no significant changes in heart rate variability and blood pressure in epileptic patients.

RCTCluster HeadachetcVNS

Sacral nerve stimulation improves colonic inflammation mediated by autonomic-inflammatory cytokine mechanism in rats

Guo et al. · Neurogastroenterology and motility · 2019

This study was designed to determine effects and mechanisms of SNS on colonic inflammation of in rodent models of IBD and compare the difference among SNS, VNS, and SNS plus VNS.

preclinicalInflammationiVNS

The Microbiota-Gut-Brain Axis

Cryan et al. · Physiological reviews · 2019

Stress, in particular, can significantly impact the microbiota-gut-brain axis at all stages of life.

preclinicalInflammationiVNS

The Cholinergic Anti-Inflammatory Pathway as a Conceptual Framework to Treat Inflammation-Mediated Renal Injury

Jarczyk et al. · Kidney & blood pressure research · 2019

In general, this communication down-regulates the inflammation, achieved through different mechanisms and depending on the cells involved.

preclinicalInflammationiVNS

Low-level transcutaneous vagus nerve stimulation attenuates cardiac remodelling in a rat model of heart failure with preserved ejection fraction

Zhou et al. · Experimental physiology · 2019

In salt-sensitive rats fed with high salt diet, low-level transcutaneous vagus nerve stimulation significantly attenuated blood pressure elevation, ameliorated diastolic function, and attenuated left ventricular inflammation and fibrosis compared to the sham group.

preclinicalHeart FailuretaVNS

Vagus Nerve Stimulation Attenuates Multiple Organ Dysfunction in Resuscitated Porcine Progressive Sepsis

Kohoutova et al. · Critical care medicine · 2019

In a clinically-relevant large animal model of progressive sepsis, vagus nerve stimulation was associated with a number of beneficial effects that resulted in significantly attenuated multiple organ dysfunction and reduced vasopressor and fluid resuscitation requirements.

preclinicalHeart FailureiVNS

Vagus nerve stimulation reduces ventricular arrhythmias and increases ventricular electrical stability

Nasi-Er et al. · Pacing and clinical electrophysiology : PACE · 2019

Noninvasive AB-VNS reduces the occurrence of spontaneous ventricular arrhythmias in conscious dogs with MI.

preclinicalHeart HealthtaVNS

Targeted Vagus Nerve Stimulation for Rehabilitation After Stroke

Engineer et al. · Frontiers in neuroscience · 2019

A number of studies in preclinical models of ischemic stroke demonstrated that VNS paired with rehabilitative training significantly improved the recovery of forelimb motor function compared to rehabilitative training without VNS.

RCTStroke RehabilitationiVNS

An Effective Method for Acute Vagus Nerve Stimulation in Experimental Inflammation

Caravaca et al. · Frontiers in neuroscience · 2019

Data from the first clinical trials that use vagus nerve stimulation (VNS) in treatment of rheumatoid arthritis and Crohn's disease suggest that there is a therapeutic potential of electrical VNS in diseases characterized by excessive inflammation.

preclinicalGut HealthiVNS

Bioelectric neuromodulation for gastrointestinal disorders: effectiveness and mechanisms

Payne et al. · Nature reviews. Gastroenterology & hepatology · 2019

The clinical success of this bioelectric neuromodulation therapy might be enhanced through better knowledge of the targeted nerve pathways and their physiological and pathophysiological roles, optimizing stimulation protocols and determining which patients benefit most from this therapy.

clinical trialGut HealthiVNS

Genetic Identification of Vagal Sensory Neurons That Control Feeding

Bai et al. · Cell · 2019

These findings identify a key role for intestinal mechanoreceptors in the regulation of feeding.

preclinicalGut HealthtaVNS

Vagus Nerve Stimulation at the Interface of Brain-Gut Interactions

Bonaz et al. · Cold Spring Harbor perspectives in medicine · 2019

It also highlights the main issues to be addressed in the future to improve this bioelectronic therapy for gastrointestinal disorders.

clinical trialGut HealthtaVNS

Vagus nerve stimulation as a tool for enhancing extinction in exposure-based therapies

Noble et al. · Psychopharmacology · 2019

We propose that stimulation of the left cervical vagus nerve during exposure to conditioned cues signals the brain to store new memories just as epinephrine or emotional arousal would do, but bypasses the peripheral sympathetic "fight-or-flight" response.

RCTPTSDtaVNS

Vagus nerve stimulation reverses the extinction impairments in a model of PTSD with prolonged and repeated trauma

Souza et al. · Stress (Amsterdam, Netherlands) · 2019

Sham rats showed no reduction of fear during extensive extinction training.

preclinicalPTSDiVNS

Vagus nerve stimulation intensity influences motor cortex plasticity

Morrison et al. · Brain stimulation · 2019

VNS delivered at 0.8 mA caused a significant increase in motor cortex proximal forelimb representation compared to training alone.

preclinicalTinnitusiVNS

Targeted Vagus Nerve Stimulation does not Disrupt Cardiac Function in the Diabetic Rat

Dirr et al. · Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference · 2019

Pancreatic vagus nerve stimulation in a diabetic model was not found to influence heart rate demonstrating the ability of targeted stimulation to be used as for organ-specific neuromodulation while minimizing side effects.

preclinicalMetaboliciVNS

Vagal Nerve Stimulation for Glycemic Control in a Rodent Model of Type 2 Diabetes

Yin et al. · Obesity surgery · 2019

(1) VNS with short pulse width of 0.3 ms but not 3 ms reduced blood glucose during an oral glucose tolerance test (OGTT), with a 38.4% reduction at 15 min and 26.9% at 30 min (P < 0.05, vs.

preclinicalMetabolictaVNS

Pancreatic nerve electrostimulation inhibits recent-onset autoimmune diabetes

Guyot et al. · Nature biotechnology · 2019

Pancreatic nerve electrical stimulation (PNES) resulted in β-adrenergic receptor-mediated-accumulation of B and T cells in pLNs and reduced production of pro-inflammatory cytokines following lipopolysaccharide stimulation.

preclinicalMetaboliciVNS

Vagus nerve stimulation as a promising adjunctive treatment for ischemic stroke

Ma et al. · Neurochemistry international · 2019

VNS has been found to attenuate infarct volume, reduce neurological deficits, and improve memory and cognition in rats with stroke injuries.

pilotNeuroplasticityiVNS

Cognition-Enhancing Vagus Nerve Stimulation Alters the Epigenetic Landscape

Sanders et al. · The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019

In agreement with reduced cortical stress-response transcription factor NF-κB1, chromatin immunoprecipitation revealed reduced γH2A.X in the ARC promoter.

preclinicalNeuroplasticityiVNS

Noninvasive vagus nerve stimulation to target gait impairment in Parkinson's disease

Morris et al. · Movement disorders : official journal of the Movement Disorder Society · 2019

Study examining parkinson's disease using iVNS.

clinical trialParkinson's DiseaseiVNS

Auricular vagus nerve stimulation protects against postoperative cognitive dysfunction by attenuating neuroinflammation and neurodegeneration in aged rats

Cai et al. · Neuroscience letters · 2019

Postoperative cognitive dysfunction (POCD) has been increasingly recognized as a significant complication after surgery, especially in senior patients.

preclinicalAlzheimer's DiseasetcVNS

Vagus Nerve Stimulation in Rodent Models: An Overview of Technical Considerations

Noller et al. · Frontiers in neuroscience · 2019

Finally, by integrating clinical and pre-clinical research, we present indeterminate issues as opportunities for future research.

preclinicalRheumatoid ArthritisiVNS

Vagus nerve stimulation for primary headache disorders: An anatomical review to explain a clinical phenomenon

Henssen et al. · Cephalalgia : an international journal of headache · 2019

The first part of this review shows that nVNS in primary headache disorders is moderately effective, safe and well-tolerated.

narrative reviewSafetyiVNS

Intraoperative Vagus Nerve Stimulation Accelerates Postoperative Recovery in Rats

Murakami et al. · Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2019

IM delayed GE that was normalized by iVNS (P < 0.05).

preclinicalPostoperative RecoveryiVNS

Impact of continuous intraoperative vagus stimulation on intraoperative decision making in favor of or against bilateral surgery in benign goiter

Schneider et al. · Best practice & research. Clinical endocrinology & metabolism · 2019

This review summarizes the tremendous progress made in this dynamic field, delineating the extent to which CVS has changed the landscape: tailoring intraoperative decision making to determine the safest course of action for patients with benign goiter.

preclinicalPostoperative RecoverytcVNS

Continuous intraoperative nerve monitoring in thyroidectomy using automatic periodic stimulation in 256 at-risk nerves

Hamilton et al. · Annals of the Royal College of Surgeons of England · 2019

A total of 256 at-risk nerves were examined (132 hemi- and 62 total thyroidectomies) in cases involving benign and malignant disease.

preclinicalPostoperative RecoverytcVNS

Can vagus nerve stimulation improve social cognition in autism?

Kumaria et al. · Cortex; a journal devoted to the study of the nervous system and behavior · 2019

Study examining autism using taVNS.

clinical trialAutismtaVNS

Neuromodulation of autism spectrum disorders using vagal nerve stimulation

van Hoorn et al. · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia · 2019

From the 242 results identified search strategy 11 were found to satisfy the full search criteria and used to discuss the hypothesis.

preclinicalAutismiVNS

Electroconvulsive Therapy and Other Neuromodulation Techniques for the Treatment of Psychosis

Maley et al. · Child and adolescent psychiatric clinics of North America · 2019

There is also evidence to suggest that electroconvulsive therapy can be a safe, effective treatment in first episode psychosis, such as schizophrenia spectrum disorders, particularly in treatment-resistant patients.

clinical trialSchizophreniaiVNS

Electromagnetic Brain Stimulation in Patients With Disorders of Consciousness

Bourdillon et al. · Frontiers in neuroscience · 2019

Surgical techniques less invasive than DBS, such as vagus nerve stimulation (VNS) might represent a good compromise between efficacy and invasiveness but still need to be further investigated.

clinical trialDisorders of ConsciousnessiVNS

Non-invasive transcutaneous auricular vagus nerve stimulation prevents postoperative ileus and endotoxemia in mice

Hong et al. · Neurogastroenterology and motility · 2019

tVNS activated the NTS and DMV and reduced intestinal cytokine expression, reduced leukocyte recruitment to the manipulated intestine segment, and improved gastrointestinal transit after IM.

preclinicalSepsistaVNS

Modulation of neuroinflammation and memory dysfunction using percutaneous vagus nerve stimulation in mice

Huffman et al. · Brain stimulation · 2019

pVNS enabled stimulation of the vagus nerve as demonstrated by changes in bradycardia and histological evaluation of c-Fos and choline acetyltransferase expression in brainstem nuclei.

preclinicalSepsisiVNS

Vagus nerve stimulation protects against acute liver injury induced by renal ischemia reperfusion via antioxidant stress and anti-inflammation

Lai et al. · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2019

Kidney and liver function was severely damaged in the I/R group compared to the sham group.

preclinicalKidney DiseaseiVNS

AKI and the Neuroimmune Axis

Tanaka et al. · Seminars in nephrology · 2019

In this review, we discuss several neural circuits with respect to the control of renal inflammation and AKI as well as optogenetics as a novel tool for understanding these complex neural circuits.

preclinicalKidney DiseaseiVNS

Neuroimmune interactions and kidney disease

Hasegawa et al. · Kidney research and clinical practice · 2019

Recent studies have demonstrated that vagus nerve stimulation, ultrasound, and restraint stress elicit protective effects against renal ischemia-reperfusion injury.

preclinicalKidney DiseaseiVNS

Selective renal denervation guided by renal nerve stimulation: mapping renal nerves for unmet clinical needs

Tan et al. · Journal of human hypertension · 2019

We further identify five different BP response patterns to RNS and provide an explanation of the underlying neuroanatomical basis.

preclinicalKidney DiseaseiVNS

Bioelectronic Approaches to Control Neuroimmune Interactions in Acute Kidney Injury

Inoue et al. · Cold Spring Harbor perspectives in medicine · 2019

Examination of the differences among these three modalities might lead to a further elucidation of the neuroimmune axis involved in renal protection and is of interest for developing new therapeutic approaches.

preclinicalKidney DiseaseiVNS

Neurostimulation in Treating ADHD

Wong et al. · Psychiatria Danubina · 2019

Mixed results have been found in the effectiveness of neurostimulatory methods in treating ADHD.

preclinicalADHDtaVNS

The Effects of Noninvasive Vagus Nerve Stimulation on Fatigue and Immune Responses in Patients With Primary Sjögren's Syndrome

Tarn et al. · Neuromodulation : journal of the International Neuromodulation Society · 2019

Pro-F and ESS scores were significantly reduced across all three visits.

preclinicalChronic Fatigue SyndrometcVNS

Vagus nerve stimulation dampens intestinal inflammation in a murine model of experimental food allergy

Bosmans et al. · Allergy · 2019

When compared to control mice, VGX did not significantly affect the development and severity of the disease in our model of food allergy.

clinical trialCancer SupporttaVNS

Vagal effects of endocrine HPA axis challenges on resting autonomic activity assessed by heart rate variability measures in healthy humans

Agorastos et al. · Psychoneuroendocrinology · 2019

Findings indicated significant effects of metyrapone, but not dexamethasone on autonomic activity at rest based on HRV measures.

preclinicalStress & PerformancetaVNS

Treating Depression with Transcutaneous Auricular Vagus Nerve Stimulation: State of the Art and Future Perspectives

Kong et al. · Frontiers in Psychiatry · 2018

Transcutaneous auricular VNS shows promise as a non-invasive treatment for depression, with evidence of antidepressant effects through modulation of brain networks including the default mode network.

narrative reviewDepressiontaVNS

Noninvasive vagus nerve stimulation as acute therapy for migraine: the randomized PRESTO study

Tassorelli et al. · Neurology · 2018

Non-invasive cervical VNS was safe and well-tolerated for acute migraine treatment, though the primary endpoint of pain-free status at 2 hours did not reach significance versus sham.

RCTMigrainetcVNS
n = 248 subjects

The vagus nerve at the interface of the microbiota-gut-brain axis

Bonaz et al. · Frontiers in Neuroscience · 2018

Review establishing the vagus nerve as a key communication pathway between gut microbes and the brain, with vagal afferents sensing microbial metabolites and the cholinergic anti-inflammatory pathway modulating intestinal inflammation.

narrative reviewGut HealthiVNS

Non-invasive vagus nerve stimulation for the acute treatment of episodic and chronic cluster headache: A randomized, double-blind, sham-controlled ACT2 study

Goadsby et al. · Cephalalgia · 2018

nVNS achieved pain-free status in 48% of episodic cluster headache attacks versus 6% with sham, confirming efficacy of gammaCore for episodic cluster headache.

RCTCluster HeadachetcVNS
n = 92 subjects

Vagus Nerve Stimulation Paired With Upper Limb Rehabilitation After Chronic Stroke: A Blinded Randomized Pilot Study

Kimberley et al. · Stroke · 2018

Active VNS group showed mean improvement of 9.5 FMA-UE points versus 3.8 in controls at day 90, with a clinically meaningful response rate of 88% versus 33% with control.

RCTStroke RehabilitationiVNS
n = 17 subjects

The Mechanism of Action of Vagus Nerve Stimulation in Treatment-Resistant Depression: Current Conceptualizations

Conway et al. · The Psychiatric clinics of North America · 2018

How this occurs is poorly understood; however, knowledge of the neuroanatomic vagal pathways, in conjunction with functional brain imaging studies, suggests several brain regions associated with mood regulation are critical: brainstem nuclei (locus coeruleus, dorsal raphe, and ventral tegmental a...

clinical trialDepressioniVNS

Lennox-Gastaut syndrome: a comprehensive review

Asadi-Pooya · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2018

This syndrome is often associated with long-term adverse effects on intellectual development, social functioning, and independent living.

narrative reviewEpilepsyiVNS

Estimating Long-Term Vagus Nerve Stimulation Effectiveness: Accounting for Antiepileptic Drug Treatment Changes

Révész et al. · Neuromodulation : journal of the International Neuromodulation Society · 2018

Median age at epilepsy onset was five years and mean years from diagnosis to VNS implantation was 16.5 years.

retrospective analysisEpilepsyiVNS

Spotlight on cervical vagus nerve stimulation for the treatment of primary headache disorders: a review

Lendvai et al. · Journal of pain research · 2018

Three RCTs were identified for ECH/CCH (ACT-1, ACT-2 and PREVA), one RCT for migraine (EVENT) and several prospective cohort studies and retrospective analyses for both headache disorders.

narrative reviewMigraineiVNS

Consistent effects of non-invasive vagus nerve stimulation (nVNS) for the acute treatment of migraine: additional findings from the randomized, sham-controlled, double-blind PRESTO trial

Martelletti et al. · The journal of headache and pain · 2018

The intent-to-treat population consisted of 243 patients.

RCTMigraineiVNS
n = 243 subjects

Non-invasive vagus nerve stimulation for treatment of cluster headache: early UK clinical experience

Marin et al. · The journal of headache and pain · 2018

The mean (SD) CH attack frequency decreased from 26.6 (17.1) attacks/wk.

RCTCluster HeadachetcVNS

The cholinergic anti-inflammatory pathway revisited

Murray et al. · Neurogastroenterology and motility · 2018

These continued efforts will be critical to the development of better neurostimulator based therapeutics for inflammatory bowel disease.

preclinicalInflammationiVNS

Electroencephalographic correlates of low-frequency vagus nerve stimulation therapy for Crohn's disease

Kibleur et al. · Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2018

Acute VNS induced increased spectral power in delta and theta bands on frontal, temporal and occipital electrodes.

clinical trialGut HealthiVNS

Is-there a place for vagus nerve stimulation in inflammatory bowel diseases?

Bonaz · Bioelectronic medicine · 2018

In the present manuscript, we will focus on the interest of VNS in IBD.

clinical trialGut HealthiVNS

Vagus Nerve as Modulator of the Brain-Gut Axis in Psychiatric and Inflammatory Disorders

Breit et al. · Frontiers in psychiatry · 2018

Since, the vagal tone is correlated with capacity to regulate stress responses and can be influenced by breathing, its increase through meditation and yoga likely contribute to resilience and the mitigation of mood and anxiety symptoms.

preclinicalGut HealthtaVNS

Characteristics of Stimulus Intensity in Transcutaneous Vagus Nerve Stimulation for Chronic Tinnitus

Suk et al. · The journal of international advanced otology · 2018

The stimulus intensity did not differ according to sex or laterality.

clinical trialTinnitustaVNS

BOLD fMRI effects of transcutaneous vagus nerve stimulation in patients with chronic tinnitus

Yakunina et al. · PloS one · 2018

The locus coeruleus and nucleus of the solitary tract in the brainstem were activated in response to stimulation of both locations compared with the sham stimulation.

preclinicalTinnitustaVNS

Vagus Nerve Stimulation Enhances Stable Plasticity and Generalization of Stroke Recovery

Meyers et al. · Stroke · 2018

VNS enhances plasticity in corticospinal motor networks to increase synaptic connectivity to musculature of the rehabilitated forelimb.

preclinicalTinnitusiVNS

Effective weight control via an implanted self-powered vagus nerve stimulation device

Yao et al. · Nature communications · 2018

This strategy is successfully demonstrated on rat models.

preclinicalObesityiVNS

Cervical vagal nerve stimulation impairs glucose tolerance and suppresses insulin release in conscious rats

Stauss et al. · Physiological reports · 2018

It remains to be determined if patients treated with VNS are at greater risk of developing glucose intolerance and type 2 diabetes.

preclinicalMetabolictaVNS
n = 7 subjects

Brain Stimulation in Alzheimer's Disease

Chang et al. · Frontiers in psychiatry · 2018

Moreover, more standardized study designs with larger sample sizes and longitudinal follow-up are warranted for establishing a structural guide for future studies and clinical application.

pilotAlzheimer's DiseaseiVNS

Recent advances in devices for vagus nerve stimulation

Mertens et al. · Expert review of medical devices · 2018

To improve clinical efficacy and minimize side effects, novel device technology for VNS is under development and investigation.

clinical trialRheumatoid ArthritisiVNS

A review of vagus nerve stimulation as a therapeutic intervention

Johnson et al. · Journal of inflammation research · 2018

This new preclinical research shows that VNS bears the promise of being applied to a wider range of therapeutic applications.

preclinicalRheumatoid ArthritisiVNS

Safety and tolerability of Transcutaneous Vagus Nerve stimulation in humans; a systematic review

Redgrave et al. · Brain stimulation · 2018

51 studies were included comprising a total of 1322 human subjects receiving tVNS.

systematic reviewSafetytaVNS
n = 240 subjects

Neurostimulation for drug-resistant epilepsy: a systematic review of clinical evidence for efficacy, safety, contraindications and predictors for response

Boon et al. · Current opinion in neurology · 2018

We conducted a systematic review on the currently available neurostimulation modalities primarily with regard to effectiveness and safety.

systematic reviewSafetytaVNS

Transcutaneous auricular vagus nerve stimulation in treating major depressive disorder: A systematic review and meta-analysis

Wu et al. · Medicine · 2018

A total of 423 citations from the databases were searched, and 4 studies with 222 individuals were included in the meta-analysis.

meta-analysisSafetytaVNS
n = 222 subjects

Neurophysiologic effects of transcutaneous auricular vagus nerve stimulation (taVNS) via electrical stimulation of the tragus: A concurrent taVNS/fMRI study and review

Badran et al. · Brain stimulation · 2018

Active stimulation produced significant increased BOLD signal in the contralateral postcentral gyrus, bilateral insula, frontal cortex, right operculum, and left cerebellum.

narrative reviewNeuroimagingtaVNS

Transauricular vagus nerve stimulation at auricular acupoints Kindey (CO10), Yidan (CO11), Liver (CO12) and Shenmen (TF4) can induce auditory and limbic cortices activation measured by fMRI

Peng et al. · Hearing research · 2018

We found that taVNS at auricular acupoints CO10-12, TF4 can instantly and effectively generate blood oxygenation level dependent (BOLD) signal changes in the prefrontal, auditory and limbic cortices of healthy subjects by fMRI.

clinical trialNeuroimagingtaVNS
n = 8 subjects

Efficacy and mode of action of external trigeminal neurostimulation in migraine

Schoenen et al. · Expert review of neurotherapeutics · 2018

It remains to be determined if this might be a common mechanism to other peripheral noninvasive neurostimulation methods.

clinical trialFibromyalgiatcVNS

Functional Magnetic Resonance Imaging Evaluation of Auricular Percutaneous Electrical Neural Field Stimulation for Fibromyalgia: Protocol for a Feasibility Study

Gebre et al. · JMIR research protocols · 2018

This trial has been funded by the Veterans Health Administration Program Office.

clinical trialFibromyalgiataVNS

Effects of Intraoperative Vagal Nerve Stimulation on the Gastrointestinal Microbiome in a Mouse Model of Amyotrophic Lateral Sclerosis

Haney et al. · Comparative medicine · 2018

Future studies are warranted to determine whether different stimulation parameters or chronic use of VNS affect GM profiles.

preclinicalMultiple SclerosistaVNS

Preoperative evaluation and surgical management of infants and toddlers with drug-resistant epilepsy

Pindrik et al. · Neurosurgical focus · 2018

CONCLUSIONS While presenting notable challenges, pediatric epilepsy surgery within infants and toddlers (children < 3 years of age) offers significant opportunities for improved seizure frequency, neuro-cognitive development, and quality of life.

retrospective analysisMultiple SclerosistaVNS
n = 5 subjects

Non-invasive brain stimulation for negative symptoms in schizophrenia: An updated systematic review and meta-analysis

Osoegawa et al. · Schizophrenia research · 2018

31 RCTs (n = 1272) were included, most with small-to-modest sample sizes.

meta-analysisSchizophreniatcVNS
n = 1,272 subjects

Constitutive Vagus Nerve Activation Modulates Immune Suppression in Sepsis Survivors

Rana et al. · Frontiers in immunology · 2018

Moreover, vagus nerve stimulation in control mice diminished the LPS-induced TNFα responses while having no effect in CLP mice, suggesting constitutive activation of vagus nerve signaling in CLP-survivors.

preclinicalSepsisiVNS

Renal nerve stimulation identifies aorticorenal innervation and prevents inadvertent ablation of vagal nerves during renal denervation

de Jong et al. · Blood pressure · 2018

A total of 289 RNS sites in 35 patients were analyzed.

preclinicalKidney DiseaseiVNS
n = 35 subjects

Pharmacological potentiation of the efferent vagus nerve attenuates blood pressure and renal injury in a murine model of systemic lupus erythematosus

Pham et al. · American journal of physiology. Regulatory, integrative and comparative physiology · 2018

Recent evidence suggests hypertension may be secondary to chronic inflammation that results from hypoactive neuro-immune regulatory mechanisms.

preclinicalKidney DiseaseiVNS

Therapeutic Applications of Invasive Neuromodulation in Children and Adolescents

Doruk Camsari et al. · The Psychiatric clinics of North America · 2018

DBS and VNS have demonstrated utility in young patients especially for dystonia and epilepsy.

preclinicalADHDtcVNS

Epilepsy Disorders and Treatment Modalities

Kaeberle · NASN school nurse (Print) · 2018

Diagnosis and treatment of these disorders has improved over time.

clinical trialADHDtaVNS

Therapeutic potential of the vagus nerve in cancer

Reijmen et al. · Immunology letters · 2018

We found direct evidence in studies using animal cancer models that vagus nerve stimulation alters immunological responses relevant to the tumor microenvironment.

preclinicalCancer SupporttaVNS

Prevalence of Arnold Nerve Reflex in Adults and Children With Chronic Cough

Dicpinigaitis et al. · Chest · 2018

Arnold nerve reflex was present in 25.5% of adults and 3% of children with chronic cough.

clinical trialRespiratorytcVNS

The Organophosphorus Pesticide Chlorpyrifos Induces Sex-Specific Airway Hyperreactivity in Adult Rats

Shaffo et al. · Toxicological sciences : an official journal of the Society of Toxicology · 2018

Additionally, sex differences in asthma incidence have been demonstrated in the human population, but whether OP-induced AHR is sex-dependent has not been systematically studied in a preclinical model.

preclinicalRespiratorytcVNS

Non-invasive Vagal Nerve Stimulation Effects on Hyperarousal and Autonomic State in Patients with Posttraumatic Stress Disorder and History of Mild Traumatic Brain Injury: Preliminary Evidence

Lamb et al. · Frontiers in Medicine · 2017

Non-invasive vagal nerve stimulation reduced PTSD symptom severity and showed promising effects on autonomic regulation in veterans with combat-related PTSD.

pilotPTSDtaVNS
n = 22 subjects

A 5-year observational study of patients with treatment-resistant depression treated with vagus nerve stimulation or treatment as usual: comparison of response, remission, and suicidality

Aaronson et al. · American Journal of Psychiatry · 2017

Over 5 years, VNS plus treatment as usual produced significantly higher cumulative response rates (67.6% vs 40.9%) and remission rates (43.3% vs 25.7%) compared to treatment as usual alone in treatment-resistant depression.

long-term studyDepressioniVNS
n = 795 subjects

Optimization of transcutaneous vagus nerve stimulation using functional MRI

Yakunina et al. · Neuromodulation · 2017

fMRI comparison of four ear stimulation locations found that the cymba conchae activated the vagal pathway most effectively, providing evidence for optimal taVNS electrode placement.

RCTNeuroimagingtaVNS

Vagus Nerve Stimulation Paired with Tones for the Treatment of Tinnitus: A Prospective Randomized Double-blind Controlled Pilot Study in Humans

Tyler et al. · Scientific Reports · 2017

After 6 weeks, 50% of participants in the VNS-paired-tones group showed clinically meaningful THI improvements versus 28% of controls, with benefits sustained at one year.

RCTTinnitusiVNS
n = 30 subjects

Non-invasive vagus nerve stimulation reduces sympathetic preponderance in patients with tinnitus

Ylikoski et al. · Acta Otolaryngologica · 2017

tVNS significantly increased R-R interval variability in 75% of patients and reduced HRV age in 70%, shifting autonomic balance from sympathetic dominance toward parasympathetic tone in tinnitus patients.

retrospective analysisTinnitustaVNS
n = 97 subjects

Vagus Nerve Stimulation

Ekmekçi et al. · Open access Macedonian journal of medical sciences · 2017

The rate of satisfactory and permanent treatment in epilepsy with monotherapy is around 50%.

clinical trialDepressioniVNS

Vagal Nerve Stimulation for Treatment-Resistant Depression

Carreno et al. · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2017

Preclinically, VNS affects many of the same brain areas, neurotransmitters (serotonin, norepinephrine) and signal transduction mechanisms (brain-derived neurotrophic factor-tropomyosin receptor kinase B) as those found with traditional antidepressants.

preclinicalDepressioniVNS

Treatment Update of Chronic Migraine

Cho et al. · Current pain and headache reports · 2017

In the present review, we discuss updated pharmacological, non-pharmacological, and neurostimulation treatment options for CM.

RCTMigrainetcVNS

Vagus Nerve Stimulation and Headache

Yuan et al. · Headache · 2017

Early case series from epilepsy and depression cohorts using invasive VNS showed a serendipitous reduction in headache frequency and/or severity.

cohortCluster HeadachetcVNS

Review of non-invasive vagus nerve stimulation (gammaCore): efficacy, safety, potential impact on comorbidities, and economic burden for episodic and chronic cluster headache

Mwamburi et al. · The American journal of managed care · 2017

The ACute Treatment of Cluster Headache Studies (ACT1 and ACT2), both double-blind sham-controlled randomized trials, did not meet the primary endpoints of the trials but each demonstrated significant superiority of gammaCore among patients with eCH.

preclinicalCluster HeadachetcVNS

Cost-effectiveness of gammaCore (non-invasive vagus nerve stimulation) for acute treatment of episodic cluster headache

Mwamburi et al. · The American journal of managed care · 2017

gammaCore adjunct to standard of care (SoC) was found to have superior efficacy in treatment of acute episodic cluster headaches compared with sham-gammaCore used with SoC in ACT1 and ACT2 trials.

RCTCluster HeadachetcVNS

The Vagus Nerve in Appetite Regulation, Mood, and Intestinal Inflammation

Browning et al. · Gastroenterology · 2017

Although the gastrointestinal tract contains intrinsic neural plexuses that allow a significant degree of independent control over gastrointestinal functions, the central nervous system provides extrinsic neural inputs that modulate, regulate, and integrate these functions.

preclinicalInflammationiVNS

Cholinergic Anti-inflammatory Pathway and Stroke

Duris et al. · Current drug delivery · 2017

Cholinergic anti-inflammatory pathway (CHAIP) is a physiological mechanism by which central nervous system regulates immune response and controls inflammation.

preclinicalInflammationiVNS

Cholinergic Anti-Inflammatory Pathway and the Liver

Hajiasgharzadeh et al. · Advanced pharmaceutical bulletin · 2017

On the other hand, accumulated evidence clearly demonstrate that, autonomic dysfunction which is reduced functioning of both vagal and sympathetic nervous system, occurs during chronic liver disease and is well-known complication of patients suffering from cirrhosis.

preclinicalInflammationiVNS

The cholinergic anti-inflammatory pathway: An innovative treatment strategy for neurological diseases

Han et al. · Neuroscience and biobehavioral reviews · 2017

In this review, we focus on the anti-inflammatory benefits of non-neuronal and neuronal ACh as a means of providing new insights into treating inflammation-related neurological diseases, as exemplified by those described herein.

preclinicalInflammationiVNS

Mechanisms and Therapeutic Relevance of Neuro-immune Communication

Chavan et al. · Immunity · 2017

Recent successful clinical trials using bioelectronic devices that modulate the inflammatory reflex to significantly ameliorate rheumatoid arthritis and inflammatory bowel disease provide a path for using electrons as a therapeutic modality for targeting molecular mechanisms of immunity.

preclinicalInflammationiVNS

Intravenous electrical vagal nerve stimulation prior to coronary reperfusion in a canine ischemia-reperfusion model markedly reduces infarct size and prevents subsequent heart failure

Arimura et al. · International journal of cardiology · 2017

Short-term iVNS delivered prior to coronary reperfusion markedly reduced infarct size and preserved cardiac function one month after AMI.

preclinicalHeart FailureiVNS

Low-Level Vagus Nerve Stimulation Suppresses Post-Operative Atrial Fibrillation and Inflammation: A Randomized Study

Stavrakis et al. · JACC. Clinical electrophysiology · 2017

A total of 54 patients were randomized to either active LLVNS (n = 26) or sham control (n = 28).

RCTHeart HealthtaVNS
n = 54 subjects

Effects of extrinsic cardiac nerve stimulation on atrial fibrillation inducibility: The regulatory role of the spinal cord

Dai et al. · Journal of cardiovascular electrophysiology · 2017

SCS modulates extrinsic and intrinsic cardiac nerve activity among the vagus nerve, stellate ganglion, and ganglionated plexus.

RCTHeart HealthtaVNS

Vagus nerve stimulation: a new promising therapeutic tool in inflammatory bowel disease

Bonaz et al. · Journal of internal medicine · 2017

Thus, vagus nerve stimulation provides a new therapeutic option in the treatment of CD.

preclinicalGut HealthiVNS

The Vagus Nerve in the Neuro-Immune Axis: Implications in the Pathology of the Gastrointestinal Tract

Bonaz et al. · Frontiers in immunology · 2017

VNS is one of the alternative treatments for drug resistant epilepsy and depression and one might think that VNS could be used as a non-drug therapy to treat inflammatory disorders of the GI tract, such as IBD, irritable bowel syndrome, and postoperative ileus, which are all characterized by a bl...

RCTGut HealthtaVNS

Vagus nerve stimulation in psychiatry: a systematic review of the available evidence

Cimpianu et al. · Journal of neural transmission (Vienna, Austria : 1996) · 2017

At this point, no final conclusion can be made regarding the efficacy of VNS to improve symptoms in psychiatric disorders other than in affective disorders.

systematic reviewPTSDiVNS

Effects of vagus nerve stimulation on extinction of conditioned fear and post-traumatic stress disorder symptoms in rats

Noble et al. · Translational psychiatry · 2017

Taken together, these findings suggest that VNS may be an effective adjunct to exposure therapy for the treatment of PTSD.

preclinicalPTSDtaVNS

[Transcutaneous vagus nerve stimulation for primary insomnia and affective disorder:a report of 35 cases]

Luo et al. · Zhongguo zhen jiu = Chinese acupuncture & moxibustion · 2017

Compared before treatment, the PSQI was significantly decreased to (13.20±3.61) at the end of 2nd week (P<0.05); compared before treatment, the 17HAMD and HAMA were significantly decreased at the end of 4th week and 6th week (all P<0.05).

clinical trialSleeptaVNS

Vagus Nerve Stimulation Paired with Tones for the Treatment of Tinnitus: A Prospective Randomized Double-blind Controlled Pilot Study in Humans

Tyler et al. · Scientific reports · 2017

After 6 weeks, the paired VNS group improved on the Tinnitus Handicap Inventory (THI) (p = 0.0012) compared to controls (p = 0.1561).

RCTTinnitusiVNS
n = 16 subjects

Brain stimulation in obesity

Göbel et al. · International journal of obesity (2005) · 2017

Obesity is taking up epidemic proportions worldwide with significant impacts on the health of both the affected individual and on society as a whole.

clinical trialObesitytaVNS

Obesity-Associated Alterations in Glucose Metabolism Are Reversed by Chronic Bilateral Stimulation of the Abdominal Vagus Nerve

Malbert et al. · Diabetes · 2017

We conclude that chronic vagal stimulation improves insulin sensitivity substantially in diet-induced obesity by both peripheral and central mechanisms.

preclinicalObesitytaVNS

Vagus nerve stimulation: Surgical technique of implantation and revision and related morbidity

Giordano et al. · Epilepsia · 2017

A de novo implantation in a naive segment of the left or right vagus nerve may be considered in specific cases; the use of the right vagus nerve is a rare exception that may be chosen with an acceptable result.

clinical trialCognitive FunctioniVNS

Vagus nerve stimulation improves working memory performance

Sun et al. · Journal of clinical and experimental neuropsychology · 2017

We found that vagus nerve stimulation improved working memory performance as seen in reduced errors on a subtask that relied on working memory, odds ratio (OR) = 0.63 (95% confidence interval, CI [0.47, 0.85]) and increased N1 amplitude, F(1, 15) = 10.17, p = .006.

clinical trialCognitive FunctiontaVNS

Microglia modulation through external vagus nerve stimulation in a murine model of Alzheimer's disease

Kaczmarczyk et al. · Journal of neurochemistry · 2017

Pilot studies showed first signs of cognitive-enhancing effects of nVNS in AD patients.

preclinicalAlzheimer's DiseaseiVNS

Deep brain and cortical stimulation for epilepsy

Sprengers et al. · The Cochrane database of systematic reviews · 2017

This is an updated version of a previous Cochrane review published in 2014.

narrative reviewSafetytaVNS

Vagus nerve stimulation as a potential adjuvant to behavioral therapy for autism and other neurodevelopmental disorders

Engineer et al. · Journal of neurodevelopmental disorders · 2017

VNS paired with behavioral therapy may represent a potential new approach to enhance rehabilitation that could significantly improve the outcomes of individuals with neurodevelopmental disorders.

clinical trialAutismtaVNS

Neuroimmune Interactions in Schizophrenia: Focus on Vagus Nerve Stimulation and Activation of the Alpha-7 Nicotinic Acetylcholine Receptor

Corsi-Zuelli et al. · Frontiers in immunology · 2017

Although elucidating the mechanism that induces this inflammatory profile remains a challenge, mounting evidence suggests that neuroimmune interactions may provide therapeutic advantages to control inflammation and hence schizophrenia.

preclinicalSchizophreniaiVNS

Restoring consciousness with vagus nerve stimulation

Corazzol et al. · Current biology : CB · 2017

The neural signature of spontaneous recovery is linked to increased thalamo-cortical activity and improved fronto-parietal functional connectivity [3].

clinical trialDisorders of ConsciousnessiVNS

Abdominal vagus nerve stimulation as a new therapeutic approach to prevent postoperative ileus

Stakenborg et al. · Neurogastroenterology and motility · 2017

As this approach requires an additional cervical procedure, we explored the possibility of peroperative abdominal VNS in mice and human.

preclinicalSepsisiVNS

Chronic kidney disease impairs renal nerve and haemodynamic reflex responses to vagal afferent input through a central mechanism

Salman et al. · Autonomic neuroscience : basic & clinical · 2017

In juvenile LPK versus age-matched Lewis, sympathoinhibition was reduced when responses were expressed as % baseline (P<0.05), but not as microvolts, while bradycardic responses were greater.

preclinicalKidney DiseaseiVNS
n = 63 subjects

Nonpharmacological, Biomechanical Approaches to Control Inflammation in Acute Kidney Injury

Tanaka et al. · Nephron · 2017

Recently, our group and others have demonstrated that vagus nerve stimulation and pulsed ultrasound ameliorated inflammation via the cholinergic anti-inflammatory pathway (CAP) in various animal models, including renal ischemia-reperfusion injury.

preclinicalKidney DiseaseiVNS

Autonomic nervous system in acute kidney injury

Hering et al. · Clinical and experimental pharmacology & physiology · 2017

The contribution of renal nerves to the pathogenesis of AKI has been extensively demonstrated in a series of experimental models over the past decades.

preclinicalKidney DiseaseiVNS

The potential role of vagus-nerve stimulation in the treatment of HIV-associated depression: a review of literature

Nicholson et al. · Neuropsychiatric disease and treatment · 2017

Estimates suggest that the prevalence rate for depression among HIV-infected individuals is three times that of the general population.

preclinicalChronic Fatigue SyndrometaVNS

Auricular vagal nerve stimulation in peripheral arterial disease patients

Hackl et al. · VASA. Zeitschrift fur Gefasskrankheiten · 2017

There were no differences in baseline characteristics between the two groups.

clinical trialSports RecoverytaVNS

Effect of transcutaneous auricular vagus nerve stimulation on major depressive disorder: a nonrandomized controlled pilot study

Rong et al. · Journal of Affective Disorders · 2016

Four weeks of taVNS significantly reduced Hamilton Depression Rating Scale scores compared to sham, with a response rate of 37.5% versus 12.5% in controls.

pilotDepressiontaVNS
n = 160 subjects

Vagus nerve stimulation inhibits cytokine production and attenuates disease severity in rheumatoid arthritis

Koopman et al. · Proceedings of the National Academy of Sciences · 2016

Implanted VNS significantly inhibited TNF production and improved clinical signs in rheumatoid arthritis patients, providing direct evidence of the inflammatory reflex in humans.

pilotInflammationiVNS
n = 17 subjects

Transcutaneous Vagus Nerve Stimulation Modulates Default Mode Network in Major Depressive Disorder

Fang et al. · Biological Psychiatry · 2016

taVNS modulated functional connectivity in the default mode network and showed antidepressant effects, suggesting a central mechanism for its therapeutic action in depression.

RCTDepressiontaVNS
n = 34 subjects

Chronic vagus nerve stimulation in Crohn's disease: a 6-month follow-up pilot study

Bonaz et al. · Neurogastroenterology and Motility · 2016

Chronic VNS improved clinical and biological markers of Crohn's disease in 5 of 7 patients over 6 months, supporting the role of the cholinergic anti-inflammatory pathway.

pilotInflammationiVNS
n = 7 subjects

Non-Invasive Vagus Nerve Stimulation for the ACute Treatment of Cluster Headache: Findings From the Randomized, Double-Blind, Sham-Controlled ACT1 Study

Silberstein et al. · Headache · 2016

nVNS response rates were significantly higher than sham for episodic cluster headache (34.2% vs 10.6%; P=0.008), though not for chronic cluster headache.

RCTCluster HeadachetcVNS
n = 150 subjects

Chronic migraine headache prevention with noninvasive vagus nerve stimulation: The EVENT study

Silberstein et al. · Neurology · 2016

First sham-controlled pilot study of nVNS for chronic migraine prevention; open-label completers showed approximately 7.9 fewer headache days after 8 months of sustained therapy.

RCTMigrainetcVNS
n = 59 subjects

Vagus Nerve Stimulation for the Treatment of Heart Failure: The INOVATE-HF Trial

Gold et al. · Journal of the American College of Cardiology · 2016

VNS did not reduce the rate of death or heart failure events, though secondary endpoints (quality of life, NYHA class, 6-minute walk) improved, suggesting the need for optimised stimulation parameters.

RCTHeart FailureiVNS
n = 707 subjects

Vagus Nerve and Vagus Nerve Stimulation, a Comprehensive Review: Part II

Yuan et al. · Headache · 2016

In this review, we discuss the history and development of VNS, as well as recent progress in invasive and nVNS.

preclinicalDepressiontaVNS

Noninvasive vagus nerve stimulation in the management of cluster headache: clinical evidence and practical experience

Holle-Lee et al. · Therapeutic advances in neurological disorders · 2016

Recently published studies showed encouraging results of noninvasive vagus nerve stimulation (nVNS), especially with respect to cluster headache, with high tolerability and a low rate of side effects; however, randomized controlled trials are needed to prove its efficacy.

preclinicalMigraineiVNS

Non-invasive Vagus Nerve Stimulation (nVNS) as mini-prophylaxis for menstrual/menstrually related migraine: an open-label study

Grazzi et al. · The journal of headache and pain · 2016

The number of menstrual migraine/menstrually related migraine days per month was significantly reduced from baseline (mean ± standard error, 7.2 ± 0.7 days) to the end of treatment (mean ± standard error, 4.7 ± 0.5 days; P < 0.001) (primary end point).

RCTMigraineiVNS

Vagus Nerve Stimulation for the Acute Treatment of Cluster Headache

Levin · Headache · 2016

Study examining cluster headache using tcVNS.

RCTCluster HeadachetcVNS

Anti-inflammatory properties of the vagus nerve: potential therapeutic implications of vagus nerve stimulation

Bonaz et al. · The Journal of physiology · 2016

Recent data have suggested the anti-inflammatory role of the VN.

clinical trialInflammationiVNS

The intestinal cholinergic anti-inflammatory pathway

Goverse et al. · The Journal of physiology · 2016

Further investigation on the crosstalk between the nervous and intestinal immune system will hopefully provide new insights leading to the identification of innovative therapeutic approaches to treat intestinal inflammatory diseases.

preclinicalInflammationiVNS

Chronic cyclic vagus nerve stimulation has beneficial electrophysiological effects on healthy hearts in the absence of autonomic imbalance

Lee et al. · Physiological reports · 2016

VNS did not induce any significant changes to ventricular ejection fraction (EF) and spatial dispersion of APD, thus indicating that VNS did not negatively affect cardiac function.

RCTHeart FailureiVNS

Effect of Low-level Vagus Nerve Stimulation on Cardiac Remodeling in a Rapid Atrial Pacing-induced Canine Model of Atrial Fibrillation

Lu et al. · Journal of cardiovascular pharmacology · 2016

As pacing times increased, the mean effective refractory period in the pacing group became significantly shortened.

preclinicalHeart HealthtaVNS

Safety, Feasibility, and Efficacy of Vagus Nerve Stimulation Paired With Upper-Limb Rehabilitation After Ischemic Stroke

Dawson et al. · Stroke · 2016

Nine participants were randomized to VNS plus rehabilitation and 11 to rehabilitation alone.

RCTStroke RehabilitationiVNS

Modulation of vagal tone enhances gastroduodenal motility and reduces somatic pain sensitivity

Frøkjaer et al. · Neurogastroenterology and motility · 2016

Our research question was to whether combined electrical and physiological modulation of vagal tone, using transcutaneous electrical vagal nerve stimulation (t-VNS) and deep slow breathing (DSB) respectively, could increase musculoskeletal pain thresholds and enhance gastroduodenal motility in he...

preclinicalGut HealthtaVNS

Enhancing Rehabilitative Therapies with Vagus Nerve Stimulation

Hays · Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2016

Here, I provide a discussion of the current uses and potential future applications of VNS-based targeted plasticity therapies in animal models and patients, and outline challenges for clinical implementation.

preclinicalPTSDtaVNS

[Not Available]

Dinkelacker · Revue neurologique · 2016

OSAS is a significant comorbidity of drug-resistant epilepsy that has the potential to yield new treatment options for better seizure control.

preclinicalObesitytaVNS

Role of the vagus nerve in the development and treatment of diet-induced obesity

de Lartigue · The Journal of physiology · 2016

In small clinical studies, in patients with depression or epilepsy, vagal nerve stimulation has been demonstrated to promote weight loss.

narrative reviewObesitytaVNS

Contrasting effects of afferent and efferent vagal nerve stimulation on insulin secretion and blood glucose regulation

Meyers et al. · Physiological reports · 2016

However, serum insulin levels increased significantly with selective efferent VNS (+71.2 ± 27.0% after 120 min of VNS) that increased [Glu] only temporarily (+28.8 ± 11.7% at 30 min of VNS).

preclinicalMetabolictaVNS
n = 9 subjects

Vagus nerve stimulation mediates protection from kidney ischemia-reperfusion injury through α7nAChR+ splenocytes

Inoue et al. · The Journal of clinical investigation · 2016

Together, these results demonstrate that VNS-mediated attenuation of AKI and systemic inflammation depends on α7nAChR-positive splenocytes.

clinical trialRheumatoid ArthritisiVNS

Rheumatoid arthritis: Vagus nerve stimulation reduces RA severity in patients

Onuora · Nature reviews. Rheumatology · 2016

Study examining rheumatoid arthritis using iVNS.

clinical trialRheumatoid ArthritisiVNS

Continuous intraoperative neural monitoring of the recurrent nerves in thyroid surgery: a quantum leap in technology

Schneider et al. · Gland surgery · 2016

CIONM is a recent but rapidly evolving technique, constantly being refined by various studies focusing on improvement in its implementation and interpretation, as well as on the elimination of the technical snags.

preclinicalPostoperative RecoverytcVNS

Modulatory effects of α7 nAChRs on the immune system and its relevance for CNS disorders

Kalkman et al. · Cellular and molecular life sciences : CMLS · 2016

Information from tobacco smoking, vagus nerve stimulation, and cholinesterase inhibition is used to evaluate the therapeutic potential of selective α7 nAChR agonists in these inflammation-related disorders.

clinical trialMultiple SclerosistaVNS

Vagus Nerve Stimulation and Other Neuromodulation Methods for Treatment of Traumatic Brain Injury

Neren et al. · Neurocritical care · 2016

Data from previous studies have demonstrated VNS-mediated improvement following TBI in animal models.

preclinicalTraumatic Brain InjuryiVNS

Vagus Nerve Stimulation Delivered with Motor Training Enhances Recovery of Function after Traumatic Brain Injury

Pruitt et al. · Journal of neurotrauma · 2016

We have developed a method using electrical stimulation of the vagus nerve paired with forelimb use by which we have demonstrated enhanced recovery from ischemic and hemorrhagic stroke.

preclinicalTraumatic Brain InjuryiVNS

Transcutaneous Vagus Nerve Stimulation: A Promising Method for Treatment of Autism Spectrum Disorders

Jin et al. · Frontiers in neuroscience · 2016

Although the mechanism of tVNS is not yet completely understood, studies have demonstrated the potential role of vagal afferent nerve stimulation in the regulation of mood and visceral state associated with social communication.

preclinicalAutismtaVNS

Vagus nerve electrical stimulation inhibits serum levels of S100A8 protein in septic shock rats

Lei et al. · Molecular medicine reports · 2016

The present study revealed that Sprague‑Dawley rats exhibited progressive hypotension and significantly increased serum AST and ALT levels following CLP challenge compared with the sham group.

preclinicalSepsisiVNS

2015 ACVIM Small Animal Consensus Statement on Seizure Management in Dogs

Podell et al. · Journal of veterinary internal medicine · 2016

Ultimately, we hope to provide a foundation for ongoing and future clinical epilepsy research in veterinary medicine.

preclinicalCancer SupporttaVNS

Non-invasive access to the vagus nerve central projections via electrical stimulation of the external ear: fMRI evidence in humans

Frangos et al. · Brain Stimulation · 2015

Electrical stimulation of the cymba conchae activated classical central vagal projections including the NTS, locus coeruleus, and dorsal raphe, providing fMRI evidence that vagal afferents can be accessed non-invasively via the external ear.

RCTNeuroimagingtaVNS
n = 12 subjects

Chronic vagal stimulation for the treatment of low ejection fraction heart failure: results of the NEural Cardiac TherApy foR Heart Failure (NECTAR-HF) randomized controlled trial

Zannad et al. · European Heart Journal · 2015

VNS did not significantly improve cardiac remodelling measures, but quality of life (MLHFQ, NYHA class, SF-36) improved significantly, suggesting patient-perceived benefits despite neutral primary endpoints.

RCTHeart FailureiVNS
n = 96 subjects

Transcutaneous auricular vagus nerve stimulation boosts associative memory in older individuals

Jacobs et al. · Neurobiology of Aging · 2015

A single session of tVNS enhanced associative memory performance in a face-name task in healthy older adults compared to sham, demonstrating cognitive benefits even after acute stimulation.

RCTAgeingtaVNS
n = 30 subjects

Vagus Nerve Stimulation for Epilepsy: An Evidence-Based Approach

Cukiert · Progress in neurological surgery · 2015

The search results showed that patients older than 12 years with refractory partial seizures (with or without generalization) may benefit from VNS.

RCTEpilepsyiVNS

Noninvasive neuromodulation in cluster headache

Láinez et al. · Current opinion in neurology · 2015

The objective of this article is to review the data using this approach.

narrative reviewCluster HeadachetcVNS

Initial use of a novel noninvasive vagus nerve stimulator for cluster headache treatment

Nesbitt et al. · Neurology · 2015

Fifteen patients reported an overall improvement in their condition, with 4 reporting no change, providing a mean overall estimated improvement of 48%.

RCTCluster HeadachetaVNS

Low-level transcutaneous electrical vagus nerve stimulation suppresses atrial fibrillation

Stavrakis et al. · Journal of the American College of Cardiology · 2015

There were no differences in baseline characteristics between the 2 groups.

clinical trialInflammationtaVNS

Short‑term vagal nerve stimulation improves left ventricular function following chronic heart failure in rats

Li et al. · Molecular medicine reports · 2015

Increasing numbers of animal and clinical investigations have demonstrated the effectiveness of long-term electrical vagal nerve stimulation (VNS) on chronic heart failure (CHF).

preclinicalHeart FailureiVNS

Vagus nerve stimulation: A spear role or a shield role in atrial fibrillation?

Chen et al. · International journal of cardiology · 2015

Study examining heart health using taVNS.

RCTHeart HealthtaVNS

Continuous vagal nerve stimulation affects atrial neural remodeling and reduces atrial fibrillation inducibility in rabbits

Yuan et al. · Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology · 2015

Five rabbits of RAP group (5/10) in the RAP group developed sustained AF.

RCTHeart HealthtaVNS

Low-level vagus nerve stimulation: an important therapeutic option for atrial fibrillation treatment via modulating cardiac autonomic tone

Chen et al. · International journal of cardiology · 2015

Study examining heart health using taVNS.

RCTHeart HealthtaVNS

Vagus nerve stimulation for partial seizures

Panebianco et al. · The Cochrane database of systematic reviews · 2015

This is an updated version of a Cochrane review published in Issue 7, 2010.

preclinicalPaintcVNS

Review of the Uses of Vagal Nerve Stimulation in Chronic Pain Management

Chakravarthy et al. · Current pain and headache reports · 2015

We also present potential mechanisms for VNS modulation of chronic pain by reviewing both animal and human studies.

preclinicalPaintcVNS

Vagus Nerve Stimulation as a Tool to Induce Plasticity in Pathways Relevant for Extinction Learning

Childs et al. · Journal of visualized experiments : JoVE · 2015

In addition, we provide evidence that VNS modulates synaptic plasticity in the pathway between the infralimbic (IL) medial prefrontal cortex and the basolateral complex of the amygdala (BLA), which is involved in the expression and modulation of extinction memory.

preclinicalPTSDtaVNS

Transcutaneous vagus nerve stimulation modulates tinnitus-related beta- and gamma-band activity

Hyvärinen et al. · Ear and hearing · 2015

Tinnitus patients differed from controls in the baseline condition (no tVNS applied), measured by both cortical oscillatory power and synchronization, particularly at beta and gamma frequencies.

clinical trialTinnitustaVNS

Neuroimaging and neuromodulation approaches to study eating behavior and prevent and treat eating disorders and obesity

Val-Laillet et al. · NeuroImage. Clinical · 2015

Third, we will introduce the ethical questions that are concomitant to the emergence of new neuromodulation therapies.

preclinicalObesitytaVNS

Effects and mechanisms of auricular vagus nerve stimulation on high-fat-diet--induced obese rats

Li et al. · Nutrition (Burbank, Los Angeles County, Calif.) · 2015

Compared with HFD group, AVNS significantly reduced body weight and epididymal WAT and increased BAT weight, serum NE, mRNA expressions of β3-adrenoceptors, and UCP1 of the BAT, but had no effect on daily energy intake, perirenal WAT weight, gastric emptying, serum levels of CCK and PYY, or mRNA ...

preclinicalObesitytaVNS

Transcutaneous vagus nerve stimulation induces tidal melatonin secretion and has an antidiabetic effect in Zucker fatty rats

Wang et al. · PloS one · 2015

We found that naïve ZDF rats develop hyperglycemia naturally with age.

preclinicalMetabolictaVNS

Bioelectrical Stimulation for the Reduction of Inflammation in Inflammatory Bowel Disease

Marshall et al. · Clinical medicine insights. Gastroenterology · 2015

Recent studies have demonstrated the importance of splenic and vagus nerve functions in the inflammatory process through the production of certain cytokines.

preclinicalMultiple SclerosistaVNS

Autistic spectrum disorder, epilepsy, and vagus nerve stimulation

Hull et al. · Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2015

Following vagus nerve stimulation implantation, initial, if temporary, improvement was observed in seizure control.

narrative reviewAutismtaVNS

Could vagus nerve stimulation target hippocampal hyperactivity to improve cognition in schizophrenia?

Smucny et al. · Frontiers in psychiatry · 2015

Study examining schizophrenia using iVNS.

clinical trialSchizophreniaiVNS

Transcutaneous noninvasive vagus nerve stimulation (tVNS) in the treatment of schizophrenia: a bicentric randomized controlled pilot study

Hasan et al. · European archives of psychiatry and clinical neuroscience · 2015

We could not observe a statistically significant difference in the improvement of schizophrenia psychopathology during the observation period.

RCTSchizophreniataVNS

[Negative symptoms of schizophrenia: from electrophysiology to electrotherapy]

Micoulaud Franchi et al. · L'Encephale · 2015

This is in line with electrophysiological measurements that found a change in EEG spectral power in the alpha frequency band over prefrontal brain regions.

preclinicalSchizophreniaiVNS

[Non-invasive brain stimulation for treatment of schizophrenic psychoses]

Hasan et al. · Der Nervenarzt · 2015

Studies using other non-invasive brain stimulation techniques showed promising results but further research is needed to establish the clinical efficacy.

clinical trialSchizophreniatcVNS

[Protective effects of vagus nerve stimulation on rats with sepsis-associated encephalopathy]

Li et al. · Zhonghua wei zhong bing ji jiu yi xue · 2015

Compared with sham group, the percentage of α wave on EEG was significantly increased at 2, 4 and 6 hours after LPS administration in model group [(14.52±0.50)%, (16.70±0.85)%, (17.35±0.36)% vs.

preclinicalSepsisiVNS

Vagal modulation of hypertension

Petkovich et al. · Current hypertension reports · 2015

In this article, we review some of the key concepts of different vagal modulations for resistant hypertension including baroreflex activation therapy, renal sympathetic denervation, and direct vagal nerve stimulation.

narrative reviewKidney DiseaseiVNS

Interventional and device-based autonomic modulation in heart failure

Shen et al. · Heart failure clinics · 2015

Results of preclinical animal studies and early clinical trials have demonstrated the safety and efficacy of these therapies in heart failure.

preclinicalKidney DiseaseiVNS

Neuroimmune Control of Acute Kidney Injury and Inflammation

Inoue et al. · Nephron · 2015

Recently, we demonstrated the effect of a non-pharmacologic, noninvasive, ultrasound-based method to prevent renal ischemia-reperfusion injury and sepsis-induced AKI in mice.

preclinicalKidney DiseaseiVNS

The role of the autonomic nervous system in Tourette Syndrome

Hawksley et al. · Frontiers in neuroscience · 2015

The central neural mechanisms of tic generation are not clearly understood, however recent neuroimaging investigations suggest impaired cortico-striato-thalamo-cortical activity during motor control.

preclinicalADHDtaVNS

Vagus nerve stimulation for drug-resistant epilepsy: a European long-term study up to 24 months in 347 children

Orosz et al. · Epilepsia · 2014

Long-term VNS in paediatric epilepsy showed progressive improvement over 24 months, with 32% of patients achieving at least 50% seizure reduction.

long-term studyEpilepsyiVNS
n = 347 subjects

Autonomic regulation therapy via left or right cervical vagus nerve stimulation in patients with chronic heart failure: results of the ANTHEM-HF trial

Premchand et al. · Journal of Cardiac Failure · 2014

Chronic VNS was safe and improved left ventricular ejection fraction, heart rate variability, and six-minute walk distance in patients with symptomatic heart failure.

pilotHeart FailureiVNS
n = 60 subjects

Non-invasive vagus nerve stimulation in healthy humans reduces sympathetic nerve activity

Clancy et al. · Brain Stimulation · 2014

Transcutaneous VNS reduced muscle sympathetic nerve activity and shifted autonomic balance toward parasympathetic dominance in healthy volunteers, demonstrating a direct physiological mechanism for anxiolytic effects.

RCTAnxietytaVNS
n = 48 subjects

Relationship between vagal tone, cortisol, TNF-alpha, epinephrine and negative affects in Crohn's disease and irritable bowel syndrome

Pellissier et al. · PLoS ONE · 2014

Vagal tone was inversely correlated with TNF-alpha in Crohn's disease and with epinephrine in IBS, supporting the relevance of vagus nerve reinforcement interventions in inflammatory bowel conditions.

pilotGut HealthiVNS
n = 73 subjects

Safety and efficacy of vagus nerve stimulation paired with tones for the treatment of tinnitus: a case series

De Ridder et al. · Neuromodulation · 2014

Four of ten patients demonstrated clinically meaningful improvements in tinnitus that remained stable for more than two months after treatment, with all five non-responders found to be on medications interfering with neuromodulatory pathways.

pilotTinnitusiVNS
n = 10 subjects

Vagus Nerve Stimulation

Howland · Current behavioral neuroscience reports · 2014

VNS deserves further study for its potentially favorable effects on cardiovascular, cerebrovascular, metabolic, and other physiological biomarkers associated with depression morbidity and mortality.

clinical trialDepressioniVNS

Vagus nerve stimulation for refractory cluster headaches

Mauskop · Headache · 2014

Study examining cluster headache using tcVNS.

RCTCluster HeadachetcVNS

Vagus nerve stimulation enhances extinction of conditioned fear and modulates plasticity in the pathway from the ventromedial prefrontal cortex to the amygdala

Peña et al. · Frontiers in behavioral neuroscience · 2014

Vagus nerve stimulation-treated rats demonstrated a significant reduction in freezing after a single extinction training session similar to animals that received 5× the number of extinction pairings.

preclinicalPTSDtaVNS

Vagus nerve stimulation and food intake: effect of body mass index

Bodenlos et al. · Journal of diabetes science and technology · 2014

Animal research suggests that vagus nerve stimulation (VNS) is associated with weight loss and decreased appetite.

preclinicalObesitytaVNS
n = 29 subjects

Effect of transcutaneous auricular vagus nerve stimulation on impaired glucose tolerance: a pilot randomized study

Huang et al. · BMC complementary and alternative medicine · 2014

100 participants completed the study and were included in data analysis.

pilotMetabolictaVNS
n = 100 subjects

Therapeutic effect of vagus nerve stimulation on depressive-like behavior, hyperglycemia and insulin receptor expression in Zucker fatty rats

Li et al. · PloS one · 2014

We found that naïve ZDF rats developed hyperglycemia steadily.

preclinicalMetabolictaVNS
n = 6 subjects

The gut microbiome and the brain

Galland · Journal of medicinal food · 2014

Nutritional tools for altering the gut microbiome therapeutically include changes in diet, probiotics, and prebiotics.

clinical trialCognitive FunctiontaVNS

Vagus nerve stimulation…25 years later! What do we know about the effects on cognition?

Vonck et al. · Neuroscience and biobehavioral reviews · 2014

In Alzheimer pathology, NE may act as an anti-inflammatory agent on brainstem nuclei.

preclinicalAlzheimer's DiseaseiVNS

Vagus nerve stimulation: a new bioelectronics approach to treat rheumatoid arthritis?

Koopman et al. · Best practice & research. Clinical rheumatology · 2014

This led us to study the effects of α7nAChR activation in an animal model of RA, and we could show that this resulted in reduced arthritis activity.

clinical trialRheumatoid ArthritisiVNS

Nicotine gum chewing: a novel strategy to shorten duration of postoperative ileus via vagus nerve activation

Wu et al. · Medical hypotheses · 2014

Substantial evidences suggest that gum chewing accelerate the recovery of bowel motility after surgery.

preclinicalPostoperative RecoverytcVNS

Neuroprotective effects of vagus nerve stimulation on traumatic brain injury

Zhou et al. · Neural regeneration research · 2014

Results showed that vagus nerve stimulation could reduce the degree of brain edema, decrease tumor necrosis factor-α and interleukin-1β concentrations, and increase interleukin-10 concentration after brain explosive injury in rabbits.

preclinicalTraumatic Brain InjuryiVNS

The role of vagus nerve overactivity in the increased incidence of pneumonia following traumatic brain injury

Hall et al. · British journal of neurosurgery · 2014

By extrapolating this evidence we suggest a possible mechanism for immunosuppression following TBI which also has the potential to be targeted to reduce the incidence of pneumonia.

narrative reviewTraumatic Brain InjuryiVNS

Vagal nerve stimulation reverses aberrant dopamine system function in the methylazoxymethanol acetate rodent model of schizophrenia

Perez et al. · The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014

We have previously demonstrated that hyperactivity within ventral regions of the hippocampus (vHipp) drives the dopamine system dysregulation in this model.

preclinicalSchizophreniaiVNS

Brain stimulation in the treatment of late-life severe mental illness other than unipolar nonpsychotic depression

Liu et al. · The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry · 2014

These interventions could also be combined with other non-brain stimulation treatments for possible synergistic effects.

preclinicalSchizophreniaiVNS

Population of sensory neurons essential for asthmatic hyperreactivity of inflamed airways

Tränkner et al. · Proceedings of the National Academy of Sciences of the United States of America · 2014

These neurons are found in the vagal ganglia and are characterized by the expression of the transient receptor potential vanilloid 1 (TRPV1) ion channel.

clinical trialRespiratorytcVNS

Arnold's nerve cough reflex: evidence for chronic cough as a sensory vagal neuropathy

Ryan et al. · Journal of thoracic disease · 2014

In both cases, the cough as well as the Arnold's nerve reflex hypersensitivity were successfully treated with gabapentin, a treatment that has previously been shown to be effective in the treatment of cough due to sensory laryngeal neuropathy (SLN).

clinical trialRespiratorytcVNS

Auricular transcutaneous electrical nerve stimulation in depressed patients: a randomized controlled pilot study

Hein et al. · Journal of Neural Transmission · 2013

Active auricular transcutaneous electrical nerve stimulation produced significantly greater improvement in Beck Depression Inventory scores compared to sham stimulation over two weeks in depressed patients.

RCTDepressiontaVNS
n = 37 subjects

Transcutaneous vagus nerve stimulation in tinnitus: a pilot study

Lehtimaki et al. · Acta Otolaryngologica · 2013

tVNS combined with sound therapy reduced tinnitus severity and tinnitus-associated distress, with MEG showing decreased amplitude of auditory N1m responses in both hemispheres.

pilotTinnitustaVNS
n = 10 subjects

Behavioural and cognitive effects during vagus nerve stimulation in children with intractable epilepsy - a randomized controlled trial

Klinkenberg et al. · European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society · 2013

VNS did not have a negative effect on cognition nor on psychosocial adjustment.

RCTDepressiontaVNS

Vagus nerve stimulation: from epilepsy to the cholinergic anti-inflammatory pathway

Bonaz et al. · Neurogastroenterology and motility · 2013

However, both vagal afferents and efferents are activated by VNS.

preclinicalInflammationiVNS

Vagus nerve stimulation modulates visceral pain-related affective memory

Zhang et al. · Behavioural brain research · 2013

Recently, using a rodent visceral pain assay that combines the colorectal distension (CRD) model with the conditioned place avoidance (CPA) paradigms, we measured a learned behavior that directly reflects the affective component of visceral pain, and showed that perigenual anterior cingulate cort...

preclinicalGut HealthtaVNS

Targeting plasticity with vagus nerve stimulation to treat neurological disease

Hays et al. · Progress in brain research · 2013

This chapter will discuss the current progress of VNS paired with experience to drive specific plasticity to treat these neurological disorders and will evaluate additional future applications of targeted plasticity therapy.

clinical trialTinnitusiVNS

Continuous intraoperative vagus nerve stimulation for identification of imminent recurrent laryngeal nerve injury

Schneider et al. · Head & neck · 2013

There was 1 imminent loss of signal (LOS) with intraoperative signal recovery and there were 4 losses of signal with corresponding unilateral transient RLN palsy.

preclinicalPostoperative RecoverytcVNS
n = 8 subjects

Vagus somatosensory-evoked potentials are prolonged in patients with multiple sclerosis with brainstem involvement

Polak et al. · Neuroreport · 2013

Vagus somatosensory-evoked potentials (VSEP) were proposed as a neurophysiological indicator of brainstem dysfunction based on prolonged latencies found in Alzheimer's dementia and Parkinson's disease.

preclinicalMultiple SclerosistaVNS
n = 15 subjects

Traumatic brain injury

Huang · Neurological research · 2013

The authors aim to provide some insight on TBI to neurosurgeons, neurologists, rehabilitation doctors, and other specialists treating TBI patients as well as neuroscientists who are involved in neurotrauma research.

clinical trialTraumatic Brain InjuryiVNS

Vagus nerve stimulation to augment recovery from severe traumatic brain injury impeding consciousness: a prospective pilot clinical trial

Shi et al. · Neurological research · 2013

In addition to decreased seizure frequency and severity, patients report enhanced mood, reduced daytime sleepiness independent of seizure control, increased slow wave sleep, and improved cognition, memory, and quality of life.

pilotTraumatic Brain InjuryiVNS

[Neuromodulation as an intervention for addiction: overview and future prospects]

Luigjes et al. · Tijdschrift voor psychiatrie · 2013

Studies using EEG neurofeedback were shown to have positive effects on drug use, treatment compliance, and cue reactivity in patients with cocaine and alcohol dependence.

clinical trialAddictiontaVNS

Polarity- and valence-dependent effects of prefrontal transcranial direct current stimulation on heart rate variability and salivary cortisol

Brunoni et al. · Psychoneuroendocrinology · 2013

Our findings showed that excitability enhancing left anodal tDCS induced a decrease in cortisol levels.

preclinicalStress & PerformancetcVNS

Effects of electroacupuncture at auricular concha region on the depressive status of unpredictable chronic mild stress rat models

Liu et al. · Evidence-based complementary and alternative medicine : eCAM · 2013

The results showed that blood pressure and heart rate were significantly reduced in the EA-ACR group than in the UCMS alone group or the EA-ear-tip group.

preclinicalStress & PerformancetcVNS

Neural mechanisms of atrial fibrillation

Park et al. · Current opinion in cardiology · 2012

This review will briefly summarize the neural mechanisms of atrial fibrillation.

narrative reviewHeart HealthtaVNS

Effects of yoga on the autonomic nervous system, gamma-aminobutyric-acid, and allostasis in epilepsy, depression, and post-traumatic stress disorder

Streeter et al. · Medical hypotheses · 2012

This has far-reaching implications for the integration of yoga-based practices in the treatment of a broad array of disorders exacerbated by stress.

RCTPTSDtaVNS

Is the vagus nerve stimulation a way to decrease body weight in humans?

Bugajski et al. · Folia medica Cracoviensia · 2012

It is suggested, that interaction onto the vagus nerve (stimulation or blocking) can be an alternative for other ways of obesity treatment.

clinical trialObesitytaVNS

Vagus nerve stimulation enhances perforant path-CA3 synaptic transmission via the activation of β-adrenergic receptors and the locus coeruleus

Shen et al. · The international journal of neuropsychopharmacology · 2012

Our novel findings suggest that information from the periphery modulates synaptic transmission in the CA3 region of the hippocampus.

clinical trialAlzheimer's DiseaseiVNS

Is there a role for vagus nerve stimulation therapy as a treatment of traumatic brain injury?

Kumaria et al. · British journal of neurosurgery · 2012

A MEDLINE search yielded four primary papers from the same group that demonstrated VNS mediated improvement following fluid percussion models of TBI in rats, seen as motor and cognitive improvements, reduction of cortical oedema and neuroprotective effects.

preclinicalTraumatic Brain InjuryiVNS

Vagal nerve stimulation decreases blood-brain barrier disruption after traumatic brain injury

Lopez et al. · The journal of trauma and acute care surgery · 2012

Six hours after TBI, cerebral vascular permeability was increased fourfold compared with sham (mean [SD], 6.6(E+08) [5.5(E+07)] arbitrary fluorescence units [afu] vs.

clinical trialTraumatic Brain InjuryiVNS

Blunted vagal reactivity predicts stress-precipitated tobacco smoking

Ashare et al. · Psychopharmacology · 2012

As expected, stress and ad-lib smoking additively decreased HF-HRV and increased LF/HF.

clinical trialAddictiontaVNS

The vagus nerve and the inflammatory reflex: wandering on a new treatment paradigm for systemic inflammation and sepsis

Huston · Surgical infections · 2012

The central nervous system recognizes peripheral inflammation via afferent vagus nerve signaling.

narrative reviewSepsisiVNS

Effects of vagus nerve stimulation and vagotomy on systemic and pulmonary inflammation in a two-hit model in rats

Kox et al. · PloS one · 2012

No beneficial effects of vagus nerve stimulation performed following LPS administration were found.

preclinicalSepsisiVNS

The role of the vagus nerve: modulation of the inflammatory reaction in murine polymicrobial sepsis

Kessler et al. · Mediators of inflammation · 2012

Vagotomy significantly increases mortality in polymicrobial sepsis.

preclinicalSepsisiVNS

Effects of anti-inflammatory vagus nerve stimulation on the cerebral microcirculation in endotoxinemic rats

Mihaylova et al. · Journal of neuroinflammation · 2012

In endotoxinemic rats, vagus nerve stimulation tended to increase anti-inflammatory cytokine levels and resulted in a stabile hemodynamic response (28 ± 13%; versus baseline).

preclinicalSepsisiVNS

Evoked pain analgesia in chronic pelvic pain patients using respiratory-gated auricular vagal afferent nerve stimulation

Napadow et al. · Pain medicine (Malden, Mass.) · 2012

RAVANS demonstrated a trend for reduced evoked pain intensity and temporal summation of mechanical pain, and significantly reduced anxiety in N = 15 CPP patients, compared with NVAS, with moderate to large effect sizes (η(2) > 0.2).

preclinicalEndometriosistaVNS
n = 15 subjects

Vagus nerve stimulation for epilepsy: a meta-analysis of efficacy and predictors of response

Englot et al. · Journal of Neurosurgery · 2011

VNS reduced seizure frequency by at least 50% in approximately half of patients with drug-resistant epilepsy, with greater efficacy observed in generalised versus partial seizures.

meta-analysisEpilepsyiVNS
n = 3,321 subjects

Vagus nerve stimulation in 436 consecutive patients with treatment-resistant epilepsy: long-term outcomes and predictors of response

Elliott et al. · Epilepsy & Behavior · 2011

At mean 5-year follow-up, 63.8% of patients achieved at least 50% seizure reduction, demonstrating that VNS efficacy progressively improves over years of treatment in drug-resistant epilepsy.

long-term studyEpilepsyiVNS
n = 436 subjects

Peripheral nerve stimulation in chronic cluster headache

Magis et al. · Progress in neurological surgery · 2011

Although available studies are limited to a relatively small number of patients and placebo-controlled trials are lacking, existent clinical data suggest that occipital nerve stimulation should nonetheless be recommended for intractable chronic cluster headache patients before more invasive deep ...

RCTCluster HeadachetcVNS

Acetylcholine-synthesizing T cells relay neural signals in a vagus nerve circuit

Rosas-Ballina et al. · Science (New York, N.Y.) · 2011

Thus, action potentials originating in the vagus nerve regulate T cells, which in turn produce the neurotransmitter, acetylcholine, required to control innate immune responses.

clinical trialInflammationiVNS

Arrhythmias and vagus nerve stimulation

Zhang et al. · Heart failure reviews · 2011

Besides its well-known negative chronotropic, inotropic, and dromotropic effects, VNS has profound effects on cardiac electrophysiology and arrhythmogenesis.

narrative reviewHeart HealthtaVNS

Can vagus nerve stimulation halt or ameliorate rheumatoid arthritis and lupus?

Das · Lipids in health and disease · 2011

Collagen induced arthritis in alpha7nAChR(-/-) mice was significantly severe and showed increased synovial inflammation and joint destruction compared to the wild-type mice.

preclinicalRheumatoid ArthritisiVNS

Safety and efficacy of vagus nerve stimulation in fibromyalgia: a phase I/II proof of concept trial

Lange et al. · Pain medicine (Malden, Mass.) · 2011

Side effects were similar to those reported in patients treated with VNS for epilepsy or depression and, in addition, dry mouth and fatigue were reported.

clinical trialFibromyalgiataVNS

Toll-like receptor 7 agonists are potent and rapid bronchodilators in guinea pigs

Kaufman et al. · The Journal of allergy and clinical immunology · 2011

TLR7 agonists acutely inhibited bronchoconstriction in vivo and relaxed contraction of airway smooth muscle in vitro within minutes of administration.

preclinicalRespiratorytcVNS

Role of TNF-α in virus-induced airway hyperresponsiveness and neuronal M₂ muscarinic receptor dysfunction

Nie et al. · British journal of pharmacology · 2011

Here we test whether virus-induced M₂ receptor dysfunction and airway hyperresponsiveness are tumour necrosis factor-alpha (TNF-α) dependent.

preclinicalRespiratorytcVNS

Encoding of the cough reflex in anesthetized guinea pigs

Canning et al. · American journal of physiology. Regulatory, integrative and comparative physiology · 2011

We found that cough requires sustained, high-frequency (≥8-Hz) afferent nerve activation.

clinical trialRespiratorytcVNS

Association between Cold Face Test-induced vagal inhibition and cortisol response to acute stress

La Marca et al. · Psychophysiology · 2011

The stress task induced a significant increase in cortisol and HR, a decrease in RSA, and a worsening of mood.

preclinicalStress & PerformancetaVNS

Vagus nerve stimulation: A new approach to reduce heart failure

Klein et al. · Cardiology journal · 2010

Autonomic imbalance with increased adrenergic and reduced parasympathetic activity is involved in the development and progress of heart failure (HF).

preclinicalHeart FailureiVNS

Chronic vagus nerve stimulation decreased weight gain, food consumption and sweet craving in adult obese minipigs

Val-Laillet et al. · Appetite · 2010

Still 14 weeks after surgery, VNS animals (70.3±3.3kg, P>0.10) did not significantly gain weight compared to sham animals (80.6±8.0kg, P<0.05).

preclinicalObesityiVNS

Controlling postoperative ileus by vagal activation

Lubbers et al. · World journal of gastroenterology · 2010

Over the last decade, clinical strategies focusing on reduction of surgical stress and promoting postoperative recovery have improved the course of postoperative ileus.

preclinicalPostoperative RecoverytcVNS

Vagus nerve stimulation therapy in patients with autism spectrum disorder and intractable epilepsy: results from the vagus nerve stimulation therapy patient outcome registry

Levy et al. · Journal of neurosurgery. Pediatrics · 2010

Two cohorts were compared: 1) patients with epilepsy but without ASD (non-ASD [NASD] Group, 315 patients) who were being tracked in the registry (this cohort, which was controlled for age, included patients 20 years of age or younger); and 2) patients with a diagnosis of ASD who underwent implant...

clinical trialAutismtaVNS
n = 315 subjects

Modulation of brain dead induced inflammation by vagus nerve stimulation

Hoeger et al. · American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · 2010

HRV was significantly lower in BD animals.

preclinicalKidney DiseaseiVNS

Targeting primary afferent nerves for novel antitussive therapy

Undem et al. · Chest · 2010

For the latter category we focus on recent advances in voltage-gated sodium (Na(V)) channel biology.

preclinicalRespiratorytcVNS

Touch attenuates infants' physiological reactivity to stress

Feldman et al. · Developmental science · 2010

Vagal tone showed a greater suppression when SF was not accompanied by maternal touch.

preclinicalStress & PerformancetaVNS

Enhancement of the function of rat serotonin and norepinephrine neurons by sustained vagus nerve stimulation

Manta et al. · Journal of Psychiatry & Neuroscience · 2009

Sustained VNS initially increases noradrenergic neuron firing (after 1 day) and subsequently serotonergic neuron firing (after 14 days), representing a unique cascade antidepressant mechanism.

preclinicalDepressioniVNS

Clinical issues in considering vagus nerve stimulation for treatment-resistant depression

Rush et al. · Experimental neurology · 2009

Two open trials of adjunctive VNS for TRD showed positive acute results and a growing benefit over time.

RCTDepressioniVNS

Chronic vagus nerve stimulation improves autonomic control and attenuates systemic inflammation and heart failure progression in a canine high-rate pacing model

Zhang et al. · Circulation. Heart failure · 2009

Chronic VNS improves cardiac autonomic control and significantly attenuates HF development in the canine high-rate ventricular pacing model.

preclinicalHeart FailureiVNS

Refractory epilepsy: a clinically oriented review

Beleza · European neurology · 2009

New treatments under investigation are described.

preclinicalMultiple SclerosistaVNS

Cold face test in persons with spinal cord injury: age versus inactivity

Wecht et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2009

The HR response to the CFT differed significantly among the SCI group (4.1 +/- 8.8 bpm) and the young (-7.7 +/- 5.9 bpm; P \ 0.001) and old (-6.8 +/- 10.7 bpm; P \ 0.01).

clinical trialAgeingtaVNS

Subdiaphragmatic vagal afferent nerves modulate visceral pain

Chen et al. · American journal of physiology. Gastrointestinal and liver physiology · 2008

Activation of the vagal afferents by noxious gastrointestinal stimuli suggests that vagal afferents may play a complex role in visceral pain processes.

preclinicalGut HealthtaVNS

Vagus nerve stimulation (VNS) is effective in treating catastrophic 1 epilepsy in very young children

Zamponi et al. · Neurosurgical review · 2008

Four of six children have shown a significant, persistent improvement in seizure control (range, 60-90%).

narrative reviewMultiple SclerosisiVNS

Lack of effects of vagus nerve stimulation on drug-resistant epilepsy in eight pediatric patients with autism spectrum disorders: a prospective 2-year follow-up study

Danielsson et al. · Epilepsy & behavior : E&B · 2008

It has been suggested that there may be positive cognitive and/or behavioral effects independent of seizure control.

clinical trialAutismtaVNS

Auricular syncope

Thakar et al. · The Journal of laryngology and otology · 2008

Reflex syncope consequent to stimulation of the auricular branch of the vagus nerve is proposed as the pathophysiological mechanism for this previously undocumented syndrome.

clinical trialDisorders of ConsciousnessiVNS

Vagus nerve stimulation increases norepinephrine concentration and the gene expression of BDNF and bFGF in the rat brain

Follesa et al. · Brain Research · 2007

Acute VNS increased the expression of BDNF and fibroblast growth factor in the hippocampus and cortex, and increased norepinephrine concentration in the prefrontal cortex, suggesting neuroplastic mechanisms.

preclinicalNeuroplasticityiVNS

Vagus nerve stimulation for severe depression

Rado et al. · Journal of psychosocial nursing and mental health services · 2007

Treatment-resistant depression is a serious problem with significant costs in terms of health care dollars and patients' well-being.

narrative reviewDepressioniVNS

Vagus nerve stimulation: indications and limitations

Ansari et al. · Acta neurochirurgica. Supplement · 2007

Recent studies suggest that VNS could be potentially useful in the treatment of resistant depressive disorder.

RCTCluster HeadacheiVNS

Autonomic nerve activity and atrial fibrillation

Chen et al. · Heart rhythm · 2007

Clinical studies suggest that both sympathetic and parasympathetic nervous systems are important in mediating PAF.

preclinicalHeart HealthtaVNS

Weight loss during chronic, cervical vagus nerve stimulation in depressed patients with obesity: an observation

Pardo et al. · International journal of obesity (2005) · 2007

Here, we report the serendipitous observation that this treatment was associated with highly significant, gradual weight loss despite the patients' report of not dieting or exercising.

clinical trialObesitytaVNS

Vagus nerve stimulation and emotional responses to food among depressed patients

Bodenlos et al. · Journal of diabetes science and technology · 2007

Controlling for time since last meal, a significant main effect was found for arousal ratings in response to sweet food images.

preclinicalObesitytaVNS

[Other treatments for depressive patients]

Tamaoki et al. · Nihon rinsho. Japanese journal of clinical medicine · 2007

Electroconvulsive therapy(ECT) is one of the most important methods in treating depressive patients especially who can not be improved with medication.

meta-analysisSafetytaVNS

BOLD fMRI deactivation of limbic and temporal brain structures and mood enhancing effect by transcutaneous vagus nerve stimulation

Kraus et al. · Journal of neural transmission (Vienna, Austria : 1996) · 2007

Our study shows the feasibility and beneficial effects of transcutaneous nerve stimulation in the left auditory canal of healthy subjects.

clinical trialNeuroimagingtaVNS
n = 22 subjects

Vagal nerve stimulation improves cerebellar tremor and dysphagia in multiple sclerosis

Marrosu et al. · Multiple sclerosis (Houndmills, Basingstoke, England) · 2007

The results obtained suggest an additional therapeutic application for VNS and may represent a novel form of treatment in patients with severe MS.

preclinicalMultiple SclerosistaVNS

Brain stimulation for the treatment of psychiatric disorders

George et al. · Current opinion in psychiatry · 2007

The methods in this class range from non-invasive (transcranial magnetic stimulation) to invasive brain surgery (deep brain stimulation).

clinical trialSchizophreniatcVNS

Mechanical vagus nerve stimulation--A new adjunct in sepsis prophylaxis and treatment?

Bauhofer et al. · Critical care medicine · 2007

Study examining sepsis using iVNS.

preclinicalSepsisiVNS

Transcutaneous vagus nerve stimulation reduces serum high mobility group box 1 levels and improves survival in murine sepsis

Huston et al. · Critical care medicine · 2007

Transcutaneous vagus nerve stimulation is an efficacious treatment for mice with lethal endotoxemia or polymicrobial sepsis.

preclinicalSepsistaVNS

Nerve growth factor acutely potentiates synaptic transmission in vitro and induces dendritic growth in vivo on adult neurons in airway parasympathetic ganglia

Hazari et al. · American journal of physiology. Lung cellular and molecular physiology · 2007

Such effects may indicate a new role for NGF in the regulation of parasympathetic tone in the diseased or inflamed lower airways.

clinical trialRespiratorytcVNS

Effect of vagus nerve stimulation on serotonergic and noradrenergic transmission

Dorr & Debonnel · Journal of Pharmacology and Experimental Therapeutics · 2006

VNS significantly increased the basal firing rates of both serotonergic neurons in the dorsal raphe nucleus and noradrenergic neurons in the locus coeruleus, suggesting a novel antidepressant mechanism of action.

preclinicalDepressioniVNS

Splenectomy inactivates the cholinergic antiinflammatory pathway during lethal endotoxemia and polymicrobial sepsis

Huston et al. · Journal of Experimental Medicine · 2006

Splenectomy abolished the anti-inflammatory effect of cervical VNS, confirming that the spleen is the principal site of immune modulation in the cholinergic anti-inflammatory pathway.

preclinicalInflammationiVNS

Vagus nerve stimulation and cognition

Boon et al. · Seizure · 2006

Based on the clinical observation of improved cognition in many epilepsy patients who received VNS, we reviewed the recent literature for evidence concerning the cognitive effects of this treatment.

preclinicalCognitive FunctiontaVNS

Vagus nerve stimulation in patients with Alzheimer's disease: Additional follow-up results of a pilot study through 1 year

Merrill et al. · The Journal of clinical psychiatry · 2006

VNS was well tolerated.

pilotAlzheimer's DiseaseiVNS
n = 17 subjects

Gastric stimulation in obese subjects activates the hippocampus and other regions involved in brain reward circuitry

Wang et al. · Proceedings of the National Academy of Sciences of the United States of America · 2006

Metabolism also was significantly higher in right anterior cerebellum, orbitofrontal cortex, and striatum during the on condition.

clinical trialAddictioniVNS

["Seasonal" hyperkinetic disorder in adolescence: Improvement of symptomatology caused by additional light therapy]

Niederhofer · Psychiatria Danubina · 2006

This case report describes an 15 yr old patient with attention deficit hyperactivity disorder, who was initially treated psychopharmacologically (electroconvulsive therapy, vagus nerve stimulation and repetitive transcranial magnetic stimulation were refused) without a significant improvement.

clinical trialADHDtaVNS

Vagus nerve stimulation for treatment-resistant depression: a randomized, controlled acute phase trial

Rush et al. · Biological Psychiatry · 2005

In the pivotal 10-week acute phase trial, active VNS produced a 15.2% response rate versus 10.0% for sham in treatment-resistant depression; the primary endpoint did not reach statistical significance.

RCTDepressioniVNS
n = 235 subjects

The cholinergic anti-inflammatory pathway

Pavlov & Tracey · Brain, Behavior, and Immunity · 2005

Established that the efferent vagus nerve inhibits pro-inflammatory cytokine release through acetylcholine signalling at alpha7 nicotinic receptors, defining the cholinergic anti-inflammatory pathway.

narrative reviewInflammationiVNS

Stimulation of the vagus nerve attenuates macrophage activation by activating the Jak2-STAT3 signaling pathway

de Jonge et al. · Nature Immunology · 2005

VNS ameliorated surgery-induced inflammation and post-operative ileus by activating STAT3 in intestinal macrophages through alpha7 nicotinic receptor-mediated Jak2-STAT3 signalling.

preclinicalGut HealthiVNS

Epithelial cells and their neighbors. II. New perspectives on efferent signaling between brain, neuroendocrine cells, and gut epithelial cells

Flemström et al. · American journal of physiology. Gastrointestinal and liver physiology · 2005

Central nervous influence on the release of transmitters from gut endocrine cells offers an exciting area of future gastrointestinal research with a clinical relevance.

RCTGut HealthtaVNS

Sudarshan Kriya yogic breathing in the treatment of stress, anxiety, and depression: part I-neurophysiologic model

Brown et al. · Journal of alternative and complementary medicine (New York, N.Y.) · 2005

This model has heuristic value, research implications, and clinical applications.

preclinicalPTSDtaVNS

Vagal nerve stimulation effects on cerebellar tremor in multiple sclerosis

Marrosu et al. · Neurology · 2005

Study examining multiple sclerosis using taVNS.

clinical trialMultiple SclerosistaVNS

Abnormal heart rate and blood pressure responses to baroreflex stimulation in multiple sclerosis patients

Sanya et al. · Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2005

The increase in the power of 0.1 Hz RR-interval oscillations during the 0.1 Hz neck suction was significantly smaller (p<0.01) in the MS patients (4.47+/-0.27 to 5.62+/-0.25 ln ms(2)) than in the controls (4.12+/-0.37 to 6.82+/-0.33 ln ms(2)).

preclinicalMultiple SclerosistaVNS

Emerging brain-based interventions for children and adolescents: overview and clinical perspective

Hirshberg et al. · Child and adolescent psychiatric clinics of North America · 2005

Several conditions are discussed regarding the use of evidence based thinking related to these emerging interventions and future directions.

clinical trialADHDtaVNS

TNF(alpha) modulation of visceral and spinal sensory processing

Hermann et al. · Current pharmaceutical design · 2005

We have demonstrated that TNF(alpha) can elicit gastric stasis in a dose-dependent fashion via its interaction with vago-vagal neurocircuitry in the brainstem.

clinical trialChronic Fatigue SyndrometaVNS

Airflow and autonomic responses to stress and relaxation in asthma: the impact of stressor type

Aboussafy et al. · International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2005

The cold pressor test, asthma interview and progressive muscle relaxation produced significant decreases in airflow compared to the baseline period.

preclinicalRespiratorytcVNS

Age effect on far field potentials from the brain stem after transcutaneous vagus nerve stimulation

Fallgatter et al. · International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2005

Latencies were significantly longer in the elderly as compared to the younger participants, while no clear age effects on amplitudes were identified.

preclinicalAgeingtaVNS

Changes in hypothalamic-pituitary-adrenal axis measures after vagus nerve stimulation therapy in chronic depression

O'Keane et al. · Biological psychiatry · 2005

There were significant reductions in depression scores over the study period.

clinical trialStress & PerformancetaVNS

Vagal nerve stimulation markedly improves long-term survival after chronic heart failure in rats

Li et al. · Circulation · 2004

Vagal nerve stimulation markedly improved the long-term survival of CHF rats through the prevention of pumping failure and cardiac remodeling.

preclinicalHeart FailureiVNS

[Surgical treatment of epilepsy]

Halász et al. · Ideggyogyaszati szemle · 2004

In a brief chapter the importance of postsurgical rehabilitation is emphasized.

preclinicalMultiple SclerosistaVNS

Nicotinic acetylcholine receptor alpha7 subunit is an essential regulator of inflammation

Wang et al. · Nature · 2003

Established that the nicotinic acetylcholine receptor alpha7 subunit is essential for inhibiting cytokine synthesis by the cholinergic anti-inflammatory pathway, identifying the critical receptor on macrophages.

preclinicalInflammationiVNS

Cervical vagus nerve stimulation for treatment-resistant depression

Carpenter et al. · Neurosurgery clinics of North America · 2003

Longer term data on VNS in depressed patients as well as further information regarding the possible dose-response relation will help to determine the place of VNS in the armament of therapeutic modalities available for major depression.

preclinicalDepressioniVNS

Beyond the treatment of epilepsy: new applications of vagus nerve stimulation in psychiatry

Kosel et al. · CNS spectrums · 2003

Recent data from an open-label, multi-center pilot study involving 60 patients suggest a potential clinical usefulness in the acute and maintenance treatment of drug-resistant depressive disorder.

pilotAlzheimer's DiseaseiVNS

BOLD fMRI activation induced by vagus nerve stimulation in seizure patients

Liu et al. · Journal of neurology, neurosurgery, and psychiatry · 2003

All patients showed activation in the frontal and occipital lobes.

clinical trialNeuroimagingtaVNS

A review of functional neuroimaging studies of vagus nerve stimulation (VNS)

Chae et al. · Journal of psychiatric research · 2003

Functional neuroimaging studies have the potential to provide greater insight into the brain circuitry behind the activity of VNS.

narrative reviewNeuroimagingtaVNS

Electrical stimulation of the vagus nerve restores motility in an animal model of achalasia

Khajanchee et al. · Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2003

Animals in group 2 demonstrated a vigorous variety of achalasia (high-amplitude, simultaneous, repetitive contractions), moderate esophageal dilatation, and degeneration of 40% to 60% of intramuscular nerve plexi.

preclinicalPostoperative RecoverytcVNS
n = 6 subjects

Mechanisms of bronchopulmonary C-fiber hypersensitivity induced by cationic proteins

Lee et al. · Pulmonary pharmacology & therapeutics · 2003

Although an involvement of bronchopulmonary C-fiber afferents in the cationic protein-induced airway hyperresponsiveness has been suggested, direct electrophysiological evidence has not been established.

preclinicalRespiratorytcVNS

Effects of age on the cardiac and vascular limbs of the arterial baroreflex

Brown et al. · European journal of clinical investigation · 2003

Resting low- and high-frequency powers of the RR interval decreased significantly with age (P < 0.01).

preclinicalAgeingtaVNS

Vagus-nerve stimulation for the treatment of epilepsy

Ben-Menachem · The Lancet Neurology · 2002

Comprehensive review establishing VNS as an accepted treatment for refractory epilepsy, with efficacy that improves over 18-24 months and evidence of broad-spectrum antiseizure effects.

narrative reviewEpilepsyiVNS

The inflammatory reflex

Tracey · Nature · 2002

Landmark review defining the 'inflammatory reflex' — a neural circuit by which the vagus nerve modulates the immune response, with cholinergic neurons inhibiting acute inflammation in real time.

narrative reviewInflammationiVNS

Vagus nerve stimulation for refractory epilepsy

Boon et al. · Seizure · 2002

Two randomized controlled studies have shown a statistically significant decrease in seizure frequency during a 12-week treatment period versus a baseline period when 'high stimulation' mode was compared with 'low stimulation' mode.

RCTEpilepsyiVNS

Vagal stimulation and atrial fibrillation: experimental models and clinical uncertainties

Wilber et al. · Journal of cardiovascular electrophysiology · 2002

Study examining heart health using taVNS.

RCTHeart HealthtaVNS

Vagus nerve stimulation therapy: a research update

George et al. · Neurology · 2002

In general, improved understanding of the neurobiological effects of VNS therapy as a function of the different use parameters (frequency, intensity, pulse width, duration, dose) is beginning to guide clinical use and help determine which diseases, in addition to epilepsy, VNS might treat.

preclinicalObesitytaVNS

Cognition-enhancing effect of vagus nerve stimulation in patients with Alzheimer's disease: a pilot study

Sjögren et al. · The Journal of clinical psychiatry · 2002

After 3 months of treatment, 7 of 10 patients were responders according to the ADAS-cog (median improvement of 3.0 points), and 9 of 10 patients were responders according to the MMSE (median improvement of 1.5 points).

pilotAlzheimer's DiseaseiVNS
n = 10 subjects

Cerebral activation during vagus nerve stimulation: a functional MR study

Narayanan et al. · Epilepsia · 2002

VNS-induced activation was detected in the thalami bilaterally (left more than right), insular cortices bilaterally, ipsilateral basal ganglia and postcentral gyri, right posterior superior temporal gyrus, and inferomedial occipital gyri (left more than right).

clinical trialNeuroimagingtaVNS

Vagus nerve stimulation (VNS) synchronized BOLD fMRI suggests that VNS in depressed adults has frequency/dose dependent effects

Lomarev et al. · Journal of psychiatric research · 2002

In addition to the acute immediate effects of VNS on regional brain activity, this study suggests further that VNS at different frequencies likely has frequency or dose dependent modulatory effects on other brain activities (e.g.

clinical trialNeuroimagingtaVNS

Effect of dopamine receptor agonists on sensory nerve activity: possible therapeutic targets for the treatment of asthma and COPD

Birrell et al. · British journal of pharmacology · 2002

Evidence suggests that dopamine receptor agonists may inhibit sensory nerve-mediated responses.

preclinicalRespiratorytcVNS

Brain-heart connection and the risk of heart attack

Singh et al. · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2002

Dietary n-3 fatty acids and coenzyme Q10 have been found to prevent the increased circadian occurrence of cardiac events in our randomized controlled trials, possibly by increasing HRV.

preclinicalStress & PerformancetaVNS
n = 202 subjects

Vagus nerve stimulation in depression

Goodnick et al. · Expert opinion on pharmacotherapy · 2001

Currently, a pivotal double-blind acute study is underway in the US.

preclinicalEpilepsyiVNS
n = 60 subjects

Experimentally induced emotions, facial muscle activity, and respiratory resistance in asthmatic and non-asthmatic individuals

Ritz et al. · The British journal of medical psychology · 2001

Significant increases of respiratory resistance were observed in asthmatic patients following depressing stimulation.

preclinicalRespiratorytcVNS

Vagus nerve stimulation attenuates the systemic inflammatory response to endotoxin

Borovikova et al. · Nature · 2000

Landmark discovery that electrical stimulation of the vagus nerve dramatically reduced TNF production and attenuated systemic inflammation in an endotoxemia model, establishing the cholinergic anti-inflammatory pathway.

preclinicalInflammationiVNS

Functional and chemical anatomy of the afferent vagal system

Berthoud & Neuhuber · Autonomic Neuroscience · 2000

Comprehensive anatomical review establishing that approximately 80% of vagal fibres are afferent, carrying sensory information from visceral organs to the brain, with the vagus innervating nearly the entire gastrointestinal tract.

narrative reviewGut HealthiVNS

Vagus nerve stimulation for treatment-resistant depression

Rosenbaum et al. · Biological psychiatry · 2000

Study examining depression using iVNS.

clinical trialDepressioniVNS

Effects of age and gender on cardiovascular responses to phenylephrine

Turner et al. · The journals of gerontology. Series A, Biological sciences and medical sciences · 1999

The young subjects exhibited a paradoxical increase in heart rate in response to alpha-adrenergic stimulation, but the older subjects did not (p < .01).

preclinicalAgeingtaVNS

Effects of age and hypertension on cardiac responses to the alpha1-agonist phenylephrine in humans

White et al. · American journal of hypertension · 1999

There is an age- and hypertension-related decrease in reflex vagal restraint in response to alpha1-adrenoceptor stimulation in humans, which leads to significant attenuation of the decrease in heart rate as well as in LV function in response to a pressor stimulus, and presumably therefore to enha...

preclinicalAgeingtaVNS

Vagus nerve stimulation therapy for partial-onset seizures: a randomized active-control trial

Handforth et al. · Neurology · 1998

High-stimulation VNS produced a significantly greater reduction in seizure frequency (28%) compared to low-stimulation controls (15%) in drug-resistant epilepsy.

RCTEpilepsyiVNS
n = 254 subjects

Vagus nerve stimulation

Schachter et al. · Epilepsia · 1998

Encouraging results have also been reported in pediatric patients.

RCTEpilepsyiVNS

Renal sympathetic nerve responses to somato-sensory nerve stimulation in normotensive rats

Davis et al. · Journal of the autonomic nervous system · 1995

In the vagotomised group, power at heart rate was significantly lower at each stimulus frequency compared to intact rats although coherence was similar and the phase difference was larger.

preclinicalKidney DiseaseiVNS

Neurophysiology of mast cell-nerve interactions in the airways

Undem et al. · International archives of allergy and immunology · 1995

In addition, we have found that antigen stimulation has direct effects on the excitability of the parasympathetic ganglion neurons.

clinical trialRespiratorytcVNS

Histamine-induced end-tidal inspiratory activity and lung receptors in cats

Meeseen et al. · The European respiratory journal · 1995

This suggests that hyperinflation in acute asthma might be due, at least in part, to ETIA resulting from an imbalance between SAR and RAR activity.

preclinicalRespiratorytcVNS

Vagus nerve stimulation for treatment of partial seizures: 1. A controlled study of effect on seizures

Ben-Menachem et al. · Epilepsia · 1994

In the first major controlled trial of VNS for epilepsy (E03), high-stimulation VNS achieved a 24.5% median reduction in seizure frequency versus 6.1% in the low-stimulation group in drug-resistant partial seizures.

RCTEpilepsyiVNS
n = 114 subjects

Virus-induced airway obstruction and parasympathetic hyperresponsiveness in adult rats

Sorkness et al. · American journal of respiratory and critical care medicine · 1994

Airway responses to vagal parasympathetic nerve stimulation were enhanced markedly at 1 to 4 wk, and significantly at 7 to 8 wk, after viral inoculation.

preclinicalRespiratorytcVNS

Airway effects of direct left-sided cervical vagal stimulation in patients with complex partial seizures

Lötvall et al. · Epilepsy research · 1994

We conclude that long-term vagal stimulation in patients without concomitant lung disease does not induce any significant changes in FEV1.

preclinicalRespiratorytcVNS

Neural regulation of renin secretion

Kopp et al. · Seminars in nephrology · 1993

The degree of interaction between the neural and non-neural mechanisms is dependent on the level of activation of the non-neural mechanisms and the intensity of renal sympathetic nerve activity.

preclinicalKidney DiseaseiVNS

Effects of two novel tachykinin antagonists, FK224 and FK888, on neurogenic airway plasma exudation, bronchoconstriction and systemic hypotension in guinea-pigs in vivo

Hirayama et al. · British journal of pharmacology · 1993

[Sar]SP induced a small but significant bronchoconstriction which was completely inhibited by both tachykinin antagonists.

clinical trialRespiratorytcVNS

Vagal afferent and reflex responses to changes in surface osmolarity in lower airways of dogs

Pisarri et al. · Journal of applied physiology (Bethesda, Md. : 1985) · 1992

Our results suggest that non-isosmotic fluid in the lower airways initiates defense reflexes by stimulating pulmonary and bronchial C-fibers and rapidly adapting receptors.

clinical trialRespiratorytcVNS

[Changes in autonomic cardiovascular control in biological aging--studies using orthostatic provocation and analysis of heart rate profiles in long-term ECG]

Bramann · Zeitschrift fur Gerontologie · 1992

A down-regulation of the beta-receptors as a consequence of the permanent sympathetic drive is probable.

preclinicalAgeingtaVNS

Effect of somatic nerve stimulation on the kidney in intact, vagotomized and carotid sinus-denervated rats

Davis et al. · The Journal of physiology · 1991

However, urine flow rate and absolute and fractional sodium excretions decreased by 50, 59 and 47% respectively, responses which were significantly greater than in the intact group.

preclinicalKidney DiseaseiVNS

Persistence of the Hering-Breuer reflex beyond the neonatal period

Rabbette et al. · Journal of applied physiology (Bethesda, Md. : 1985) · 1991

There was a significant increase in TE during each occlusion in every infant irrespective of age at measurement.

preclinicalAgeingtaVNS

[Intestinal sensitivity disorders and irritable bowel syndrome]

Mei · Gastroenterologie clinique et biologique · 1990

Dealing with the structure or the function of single neurons, these techniques have profoundly increased our knowledge about the sensitive mechanisms in the digestive tract.

RCTGut HealthtaVNS

Cyclooxygenase inhibitors increase canine tracheal muscle response to parasympathetic stimuli in situ

Bethel et al. · Journal of applied physiology (Bethesda, Md. : 1985) · 1990

In subsequent experiments to determine the site of action of cyclooxygenase inhibitors, we found that indomethacin does not alter the response of tracheal muscle to intra-arterial acetylcholine (a muscarinic agonist) but does augment the response to intra-arterial dimethylpiperaziniumiodide (a ni...

clinical trialRespiratorytcVNS

Vagally mediated inhibition of acoustic stress-induced cortisol release by orally administered kappa-opioid substances in dogs

Bueno et al. · Endocrinology · 1989

Administered orally 30 min before the AS session, both U-50488 (0.1 mg/kg) and PD 117-302 (0.05 mg/kg) significantly (P less than or equal to 0.01) decreased (by 71.2% and 80.9%, respectively) the maximal increase in plasma cortisol induced by AS, while bremazocine, morphine, as well as iv admini...

preclinicalStress & PerformanceiVNS

Reflex gastric relaxation in response to distention of the duodenum

De Ponti et al. · The American journal of physiology · 1987

Neither bethanechol nor combined phentolamine and propranolol infused intravenously had any significant effect on gastric relaxation in response to duodenal distention.

clinical trialChronic Fatigue SyndrometaVNS

Cholinergic and neurogenic mechanisms in obstructive airways disease

Bleecker · The American journal of medicine · 1986

Alpha-adrenoreceptors are found in human airways and stimulation of these receptors causes bronchoconstriction.

preclinicalRespiratorytcVNS

Peripheral control of hypersynchronous discharge in epilepsy

Zabara · Electroencephalography and Clinical Neurophysiology · 1985

Seminal preclinical demonstration that vagus nerve stimulation could suppress experimentally induced seizure activity, providing the scientific foundation for the development of clinical VNS therapy.

preclinicalEpilepsyiVNS

Kidney function during arterial chemoreceptor stimulation. I. Influence of unilateral renal nerve section, bilateral cervical vagotomy, constant artificial ventilation, and carotid body chemoreceptor inactivation

Schmidt et al. · Biomedica biochimica acta · 1985

In the spontaneously breathing animals carotid body chemoreceptor stimulation effected a rise of fractional sodium excretion only in the denervated kidneys whereas the relaxed and constantly ventilated cats showed a natriuretic response both at the innervated and denervated side.

preclinicalKidney DiseaseiVNS

Adenosine-induced bronchoconstriction in asthma. Role of parasympathetic stimulation and adrenergic inhibition

Mann et al. · The American review of respiratory disease · 1985

After equivalent degrees of bronchoconstriction, 35 to 36% fall in FEV1 and 60 to 62% fall in SGaw cumulative doses of inhaled isoproterenol produced almost identical maximal increases in FEV1 and SGaw after adenosine as achieved after histamine.(ABSTRACT TRUNCATED AT 250 WORDS)

preclinicalRespiratorytcVNS

Pharmacological modulation of bronchial hyperreactivity

Richards · European journal of respiratory diseases. Supplement · 1983

In dogs exposed to SO2 gas changes in RL induced by 5-hydroxytryptamine or electrical stimulation of the vagus nerves were significantly increased when compared to the responses in normal dogs.

clinical trialRespiratorytcVNS

Control of breathing in asthma

Schiff · Clinics in chest medicine · 1980

Further growth in the applications of knowledge of respiratory control may be expected.

preclinicalRespiratorytcVNS

The mechanism of rapid, shallow breathing after inhaling histamine aerosol in exercising dogs

Bleecker et al. · The American review of respiratory disease · 1976

We concluded that histamine stimulates breathing by stimulation of receptors whose afferent pathways are in the vagus nerves; the effective stimulus is not bronchoconstriction but is presumably due to direct stimulation of airway receptors.

preclinicalRespiratorytcVNS