Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 8:59 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: GammaCore Clear all
Completed Not applicable Interventional Results available

Non-Invasive Neurostimulation For the Relief of Symptoms Associated With Migraine

NCT01532830
View directory record Official record
Conditions
Migraine
Interventions
n-VNS
Device
Lead sponsor
ElectroCore INC
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
3
States / cities
San Francisco, California • New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Phase 3 Interventional

Non-invasive Vagal Nerve Stimulation in Opioid Use Disorders UH3

NCT05834478
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional

Non-invasive Vagus Nerve Stimulation (nVNS) for Post-Traumatic Stress Disorder (PTSD)

NCT07523685
View directory record Official record
Conditions
PTSD, Post Traumatic Stress Disorder PTSD, PTSD - Post Traumatic Stress Disorder, Post Traumatic Stress Disorder, Post Traumatic Stress Disorders, Post-traumatic Stress Disorder (PTSD), Post-Traumatic Stress Disorder, PTSD
Interventions
non-invasive vagus nerve stimulation
Device
Lead sponsor
Acacia Clinics
Industry
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Sunnyvale, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Study of Gammacore Sapphire for the Acute and Preventive Treatment of Post-Traumatic Headache (GAP-PTH)

NCT04071743
View directory record Official record
Conditions
Post-Traumatic Headache
Interventions
gammaCore Sapphire, sham gammaCore Sapphire
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Phase 2Phase 3 Interventional

A Study Of Vagal Nerve Stimulation In Conjunction With NRT For Smoking Cessation

NCT07487818
View directory record Official record
Conditions
Smoking Cessation
Interventions
Non-invasive vagus nerve stimulator plus nicotine replacement patches, nicotine replacement patches
Combination Product · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Role of Sympathetic Overactivity and Angiotensin II in PTSD and CV

NCT02560805
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Microneurography, Combat virtual reality video clip, Handgrip Exercise, Cold Pressor Test (CPT), Sodium Nitroprusside (SNP), Phenylephrine, Losartan, Atenolol, Transcutaneous Vagal Nerve Stimulation (tVNS), Sham Transcutaneous Vagal Nerve Stimulation (tVNS)
Procedure · Behavioral · Drug + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-invasive Vagal Neurostimulation (nVNS) in Adolescents With Postural Orthostatic Tachycardia Syndrome (POTS)

NCT06268288
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Autonomic Dysfunction, Postural Orthostatic Tachycardia Syndrome, POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
GammaCore intervention, STEPS management protocol
Device · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 19 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 5, 2026, 8:59 AM EDT
Terminated Not applicable Interventional Results available

Study Assessing Vagus Nerve Stimulation in CoViD-19 Respiratory Symptoms

NCT04382391
View directory record Official record
Conditions
COVID, Corona Virus Infection, Respiratory Failure, Respiratory Distress Syndrome, Adult, ARDS, Human, SARS (Severe Acute Respiratory Syndrome)
Interventions
gammaCore® Sapphire (non-invasive vagus nerve stimulator), Standard of care therapies
Device · Other
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sympathetic Overactivity in Post-traumatic Stress Disorder

NCT01627301
View directory record Official record
Conditions
Post-traumatic Stress Disorder, Prehypertension
Interventions
Device-Guided Breathing (DGB), Sham DGB, Transcutaneous Vagal Nerve Stimulation (tVNS), Sham tVNS
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Neurostimulation for the Relief of Acute Bronchoconstriction

NCT00762931
View directory record Official record
Conditions
Asthma
Interventions
Resolve Stimulator and Proximity Lead
Device
Lead sponsor
ElectroCore INC
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
6
States / cities
Chicago, Illinois • Detroit, Michigan • Royal Oak, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Non-invasive Vagal Nerve Stimulation (nVNS) for Symptomatic Exacerbation of Nausea in Patients With Gastroparesis and Related Disorders

NCT04857281
View directory record Official record
Conditions
Chronic Unexplained Nausea and Vomiting, Gastroparesis
Interventions
nVNS (gammaCore)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional

Non-invasive Vagus Nerve Stimulation for the Prevention of Migraines

NCT03716505
View directory record Official record
Conditions
Migraine Disorders
Interventions
gammaCore Sapphire active, gammaCore Sapphire Sham
Device
Lead sponsor
ElectroCore INC
Industry
Eligibility
18 Years to 75 Years
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
30
States / cities
Scottsdale, Arizona • Carlsbad, California • Palo Alto, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2020 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Non-Invasive Neurostimulation for the Prevention of Chronic Migraine

NCT01667250
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Sep 5, 2026, 8:59 AM EDT
Not yet recruiting Phase 2 Interventional

nVNS, CBD, and SoC for Persistent Post-Traumatic Headache

NCT07624279
View directory record Official record
Conditions
Persistent Post Traumatic Headache
Interventions
Non-Invasive Vagus Nerve Stimulation, Cannabidiol, Standard of Care
Device · Drug
Lead sponsor
American Society of Pain and Neuroscience, Inc.
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
8
States / cities
Scottsdale, Arizona • Los Angeles, California • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Non-invasive Neurostimulation of the Vagus Nerve for the Treatment of Cluster Headache

NCT01792817
View directory record Official record
Conditions
Cluster Headache
Interventions
GammaCore, Sham GammaCore device
Device
Lead sponsor
ElectroCore INC
Industry
Eligibility
18 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
20
States / cities
Santa Monica, California • Stanford, California • Englewood, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional

Mindfulness in Chronic Kidney Disease

NCT04099992
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Mindfulness-based stress reduction (MBSR), Health enhancement program (HEP), Transcutaneous Vagus Nerve Stimulation (tVNS), Sham-transcutaneous Vagus Nerve Stimulation (tVNS)
Behavioral · Device
Lead sponsor
Emory University
Other
Eligibility
40 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 5, 2026, 8:59 AM EDT
Withdrawn Not applicable Interventional

Vagus Nerve Stimulator for Autism and Other Developmental Disorders

NCT06259201
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional

Safety, Feasibility, and Efficacy of Non-invasive Vagus Nerve Stimulation (nVNS) in the Treatment of Aneurysmal Subarachnoid Hemorrhage

NCT05103566
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal
Interventions
gammaCore
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of Non-invasive Vagus Nerve Stimulation in the Treatment of Headache in Subarachnoid Hemorrhage

NCT04126408
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal
Interventions
gammaCore
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Vagal Nerve Stimulation on Leg Muscle Activity and Posture in Parkinson's Disease

NCT07226284
View directory record Official record
Conditions
PARKINSON DISEASE (Disorder), Parkinson's Disease (PD)
Interventions
Vagal nerve stimulation, No intervention
Device · Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 76 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Phase 3 Interventional Results available

Closed Loop Vagal Nerve Stimulation for Patients With Posttraumatic Stress Disorder

NCT02992899
View directory record Official record
Conditions
PostTraumatic Stress Disorder
Interventions
GammaCore/electroCore non-invasive VNS device, Sham gammaCore/electroCore, O-15 water
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 70 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 13, 2021 · Synced Sep 5, 2026, 8:59 AM EDT
Completed Phase 1 Interventional

Vagus Nerve Stimulation to Treat Moderate Traumatic Brain Injury

NCT02974959
View directory record Official record
Conditions
Traumatic Brain Injury, Acute Brain Injuries
Interventions
gammaCore active device, gammaCore sham device
Device
Lead sponsor
CentraCare
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Sep 5, 2026, 8:59 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Potential Benefit for Non Invasive Vagus Nerve Stimulation Using GammaCore in the Treatment of Raynaud's Phenomena.

NCT03869008
View directory record Official record
Conditions
Raynaud Phenomenon, Primary Raynaud Phenomenon, Raynaud Disease, Raynaud Syndrome
Interventions
gammaCore Sapphire, Sham Device
Device
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 5, 2026, 8:59 AM EDT
Recruiting Not applicable Interventional

Non-invasive Vagal Nerve Stimulation as Novel Treatment to Improve Functional Outcomes in Veterans With Alcohol Use Disorder

NCT06399653
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Cervical transcutaneous vagus nerve stimulation (active comparator), Cervical transcutaneous vagus nerve stimulation (sham comparator)
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 5, 2026, 8:59 AM EDT