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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Colon Cancer Screening
Interventions
Chewing Sugar-Free Gum During Bowel Preparation, Standard Bowel Prep (2L PEG-ELP), Standard Bowel Prep
Behavioral · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Towson, Maryland
Conditions
Treatment Resistant Depression
Interventions
Vagus Nerve Stimulation (VNS)
Device
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
6,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
101
States / cities
Birmingham, Alabama • Huntsville, Alabama • Burlingame, California + 85 more
Conditions
Healthy Volunteers
Interventions
Transauricular vagus nerve stimulation (taVNS)
Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Dyspepsia
Interventions
Alimetry, tVNS, Gastroduodenal Manometry
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Epilepsy
Interventions
observation of VNS stimulation effects
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
TBI (Traumatic Brain Injury)
Interventions
Sparrow Ascent Transcutaneous Auricular Neurostimulation (tAN)
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Autism Spectrum Disorder, Intellectual Disability, Autonomic Nervous System, Developmental Disability
Interventions
Vagus Nerve Stimulation
Device
Lead sponsor
New York State Institute for Basic Research
Government
Eligibility
12 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
New York, New York • Staten Island, New York
Completed Not applicable Interventional Accepts healthy volunteers

taVNS on Pupillary Response and Perceptual Learning

NCT05386563
Conditions
Pupillary Response
Interventions
Transcutaneous Auricular Vagal Nerve Stimulation (taVNS), Sham Stimulation
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Chronic Ischemic Stroke
Interventions
Vivistim
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Substance Use Disorder (SUD)
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation
Device
Lead sponsor
Daisy Thompson-Lake
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Irritable Bowel Syndrome (IBS-C)
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation (ta-VNS), Sham Transcutaneous Auricular Vagus Nerve Stimulation
Device
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Chronic Migraine
Interventions
GammaCore Active Device, GammaCore Sham Device
Device
Lead sponsor
ElectroCore INC
Industry
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
6
States / cities
San Francisco, California • Ann Arbor, Michigan • Springfield, Missouri + 3 more
Conditions
Atrial Fibrillation, Postoperative, Postoperative Complications, Inflammation
Interventions
Transcutaneous Low-Level Vagal Nerve Stimulation (LLVNS), Sham LLVNS
Device
Lead sponsor
Duke University
Other
Eligibility
40 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Functional Dyspepsia
Interventions
Sensory device, Skills Building, Health Education, Subsensory device
Device · Behavioral
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Non-invasive Nerve Stimulation and Sleep

NCT04021537
Conditions
PTSD
Interventions
non-invasive nerve stimulation
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 55 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Premature Ventricular Contraction
Interventions
Low-Level Tragus Stimulation, Heart Rate Variability- Biofeedback, Conventional Medical Therapy
Device · Behavioral · Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Pupil-Indexed Noninvasive Neuromodulation

NCT06282406
Conditions
Paresis
Interventions
Transcutaneous Electrical Stimulation, Sham
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Withdrawal Symptoms, Opioid Use Disorder, Opioid Use
Interventions
Transcutaneous Cervical Vagal Nerve Stimulation, Sham Stimulation, [F-18]Fallypride
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 75 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Atlanta, Georgia
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Delayed Cerebral Ischemia, Cerebral Vasospasm, Autonomic Nervous System Diseases
Interventions
Right-Sided Cervical Sympathetic Block at C6, Transcutaneous Auricular Vagal Nerve Stimulation (taVNS)
Procedure · Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Aging
Interventions
Transcutaneous vagal nerve stimulation (tVNS), Cognitive training
Device · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 90 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Tucson, Arizona • Gainesville, Florida
Conditions
Depression, Epilepsy
Interventions
Vagal nerve stimulant
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Conditions
Cognition, Gut Microbiome
Interventions
Probiotic Supplement, Transcutaneous Vagal Nerve Stimulation (tVNS)
Dietary Supplement · Device
Lead sponsor
University of Florida
Other
Eligibility
35 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Coral Gables, Florida
Completed Not applicable Interventional Results available

Vagal Nerve Stimulation for Treatment Resistant Major Depression

NCT04990687
Conditions
Major Depressive Disorder
Interventions
gammaCore™
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Widspread Chronic Pain, Fibromyalgia
Interventions
Vagal nerve stimulation through deep exhalation exercise, Vagal nerve stimulation through ear electrical stimulation, No intervention (observational study)
Other
Lead sponsor
University of North Georgia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Dahlonega, Georgia