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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Earlobe stimulation Clear all
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Autonomic Mechanisms of Sleep-dependent Memory Consolidation

NCT04021797
View directory record Official record
Conditions
Memory, Sleep
Interventions
transcutaneous vagal nerve stimulation
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional

Effect of Transcutaneous Vagal Stimulation (TVS) on Endothelial Function in PAD

NCT03445754
View directory record Official record
Conditions
Peripheral Artery Disease, Endothelial Dysfunction, Autonomic Imbalance
Interventions
TVS, Sham TVS
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Recruiting Not applicable Interventional

taVNS for FRNS in Children

NCT05588063
View directory record Official record
Conditions
Nephrotic Syndrome in Children, Minimal Change Disease, Focal Segmental Glomerulosclerosis
Interventions
Transcutaneous auricular vagus nerve stimulation, Sham device
Device
Lead sponsor
Northwell Health
Other
Eligibility
3 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Hyde Park, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Neuromodulation in Patients With Pulmonary Arterial Hypertension

NCT06802380
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Low-level tragus stimulation, Sham stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

taVNS on Pupillary Response and Perceptual Learning

NCT05386563
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

RM1 Project 1 - tAN Naloxone

NCT05490134
View directory record Official record
Conditions
Analgesia
Interventions
Naloxone, Saline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Autoimmune Basis for Postural Tachycardia Syndrome

NCT05043051
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Vagal stimulation, Sham stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional

Vagus Nerve Stimulation in Treatment of Postural Orthostatic Tachycardia Syndrome

NCT03930914
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

tVNS Responsiveness Testing With Pupil Size

NCT06335199
View directory record Official record
Conditions
Stroke, Healthy Adult
Interventions
Unilateral Left tVNS stimulation, Bilateral tVNS stimulation, Unilateral Left Sham stimulation, Bilateral Sham stimulation, Unilateral Right tVNS stimulation, Unilateral Right Sham stimulation
Procedure
Lead sponsor
Georgia Institute of Technology
Other
Eligibility
18 Years to 89 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

Examining Transcutaneous Vagal Nerve Stimulation as a Facilitator of Social Bonding

NCT05899413
View directory record Official record
Conditions
Vagus Nerve Stimulation
Interventions
Transcutaneous vagal nerve stimulation
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 39 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Terminated Phase 4 Interventional Results available

Cranial Electro Therapy Stimulation in Reducing Perioperative Anxiety

NCT00928772
View directory record Official record
Conditions
Anxiety
Interventions
CRANIAL ELECTROTHERAPY (Alpha Stim) + SHAM MIDAZOLAM, MIDAZOLAM + SHAM ELECTRODES SIMULATING CRANIAL ELECTROTHERAPY, NO SEDATION WITH SHAM CRANIAL ELECTROSTIMULATION AND PLACEBO VERSED
Device · Drug · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
50 Years to 90 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 23, 2026, 5:04 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Testing the Noradrenergic Hypothesis of Transcutaneous Vagus Nerve Stimulation

NCT04455295
View directory record Official record
Conditions
no Condition, Electroencephalography, Pupil Diameter
Interventions
Transdermal Vagus Nerve Stimulation (tVNS)
Device
Lead sponsor
Arkansas Tech University
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Russellville, Arkansas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 23, 2026, 5:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

tVNS During Motor Training in Older Adults

NCT06323954
View directory record Official record
Conditions
Older Adults
Interventions
tVNS stimulation, Sham stimulation
Procedure
Lead sponsor
Georgia Institute of Technology
Other
Eligibility
65 Years to 84 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Speech in Noise Using Noninvasive Stimulation

NCT07176936
View directory record Official record
Conditions
Traumatic Brain Injury, Hearing Loss
Interventions
Cymba Conchae stimulation, Earlobe stimulation
Device
Lead sponsor
University of Florida
Other
Eligibility
25 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Results available

Noninvasive Neuromodulation to Reserve Diastolic Dysfunction

NCT02983448
View directory record Official record
Conditions
Heart Failure, Diastolic
Interventions
transcutaneous vagus nerve stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional

Effects of External Ear Stimulation on Pain Perception and Mood

NCT02821741
View directory record Official record
Conditions
Pain in Healthy Participants
Interventions
The Twin Stim Plus, 3rd Edition, Medoc Pathway System
Device
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Results available

Post-stroke Pain taVNS

NCT06456385
View directory record Official record
Conditions
Stroke, Pain
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation (taVNS), Sham Auricular Stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Noninvasive Vagus Nerve Stimulation (VNS) for Neuromotor Adaptations

NCT03628976
View directory record Official record
Conditions
Healthy Young Adults
Interventions
tVNS, Motor training
Other
Lead sponsor
Georgia Institute of Technology
Other
Eligibility
18 Years to 39 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Sep 23, 2026, 5:04 PM EDT
Not yet recruiting Early Phase 1 Interventional

Understanding Non-invasive Vagus Nerve Stimulation Effects in PTSD

NCT06953388
View directory record Official record
Conditions
PTSD - Post Traumatic Stress Disorder
Interventions
transcutaneous auricular vagus nerve stimulation, sham transcutaneous auricular vagus nerve stimulation
Device
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional

Effect of Transcutaneous Vagal Stimulation (TVS) on Endothelial Function and Arterial Stiffness in HFrEF

NCT03380156
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Endothelial Dysfunction
Interventions
TVS, Sham TVS
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-invasive Nerve Stimulation and Cognitive Training to Improve Cognitive Performance in Healthy Older Adults

NCT04276805
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 23, 2026, 5:04 PM EDT
Completed Not applicable Interventional

tDCS and Cognitive Training in Active Duty Service Members With Mild TBI: A Pilot Study

NCT04925453
View directory record Official record
Conditions
Brain Concussion, Brain Trauma, Attention Concentration Difficulty, Brain Injuries, Brain Injuries, Traumatic, Neurocognitive Dysfunction, Attention Impaired, Memory Impairment, Mild Traumatic Brain Injury, Mild Cognitive Impairment
Interventions
active tDCS and cognitive training intervention, sham tDCS and cognitive training intervention
Combination Product
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Not yet recruiting Not applicable Interventional

The Effect of Vagus Nerve Stimulation on Pain and Functional Activities in Individuals With Chronic Widespread Pain

NCT07080749
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Sep 23, 2026, 5:04 PM EDT
Recruiting Not applicable Interventional

Neuromodulation to Regulate Inflammation and Autonomic Imbalance in Sepsis

NCT03992378
View directory record Official record
Conditions
Septic Shock
Interventions
Low Level Transcutaneous Vagus Nerve Stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 23, 2026, 5:04 PM EDT