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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:53 AM EDT

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Showing 1–24 of 294 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Heart Rate Variability Clear all
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Heart Rate Variability Biofeedback Following Traumatic Brain Injury

NCT05913505
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
OSC-
Behavioral
Lead sponsor
Brigham Young University
Other
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Analysis of Atropine and Propranolol Induced Changes

NCT00251602
View directory record Official record
Conditions
Healthy
Interventions
Atropine, Propranolol, Normal Saline
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
21 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 6, 2012 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Heart Rate Variability in Children With a Functional Gastrointestinal Disorder

NCT00195975
View directory record Official record
Conditions
Abdominal Pain
Interventions
Not listed
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 28, 2011 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of External Cues Versus Internal Cues Messaging on Heart Rate Variability and Affect

NCT05309941
View directory record Official record
Conditions
Dietetics, Diet, Healthy, Nutrition Therapy, Affect, Autonomic Nervous System
Interventions
Internal Cues Nutrition Messaging, External Cues Nutrition Messaging
Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 29 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 21, 2026, 1:53 AM EDT
Withdrawn No phase listed Observational

The Ability Of The PD2i Cardiac Analyzer To Predict Risk Of Ventricular Tachyarrhythmic Events

NCT00510731
View directory record Official record
Conditions
Tachycardia, Ventricular, Cardiac Sudden Death
Interventions
Not listed
Lead sponsor
Vicor Technologies, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
19
States / cities
Los Angeles, California • San Ramon, California • Walnut Creek, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2015 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Phase 2 Interventional

Acceptability and Feasibility of Apollo in Veterans With a History of PTSD

NCT05019651
View directory record Official record
Conditions
PTSD
Interventions
Apollo Wearable System
Device
Lead sponsor
Lisa Brenner
Federal
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 21, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Research Study Exploring How Musculoskeletal Function and the Autonomic Nervous System Relate to Visceral Pain in Women With and Without Dysmenorrhea (Painful Periods).

NCT07209566
View directory record Official record
Conditions
Dysmenorrhea, Dysmenorrhea Primary, Visceral Pain, Menstrual Pain
Interventions
Visceral Pain Stimulus
Diagnostic Test
Lead sponsor
Azusa Pacific University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Azusa, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 21, 2026, 1:53 AM EDT
Active, not recruiting Not applicable Interventional

Rapid Entrainment and Signal-guided Neuromodulation for Behavioral Health

NCT07812987
View directory record Official record
Conditions
Anxiety, PTSD, ADHD, Depression Disorders, Post-traumatic Stress, Substance Use, Executive Function, Sleep Disturbance
Interventions
AIP-Informed Integrative Psychotherapy, Transcutaneous Auricular Vagus Nerve Stimulation, Regulated Breathing and Autonomic Regulation, Audiovisual Entrainment, Vibroacoustic Stimulation, Breathwork-Based Auditory Driving Entropy Module (BADEM), Transcranial Electrical Stimulation
Behavioral · Device
Lead sponsor
Tactical Mind Research Coalition, Inc.
Other
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 21, 2026, 1:53 AM EDT
Not yet recruiting Not applicable Interventional

Evaluation of a Mobile Wellness Application and Wearable Fitness Tracker on Weight Management and Health Outcomes

NCT07463144
View directory record Official record
Conditions
Obesity & Overweight
Interventions
App + Fitness Tracker, App Only, Control Group
Behavioral
Lead sponsor
BetterMe Limited
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational

Treatment of Reduced Heart Rate Variability Associated With Major Depression With Electroconvulsive Therapy

NCT00209066
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Afferent Neurocardiac Signals, Cue Reactivity, and Cognitive Control

NCT05369169
View directory record Official record
Conditions
Binge Drinking
Interventions
Resonance breathing, Low demand cognitive task
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional

Effects of Memory Boot Camp on Brain Function in Adults With Symptoms of Mild Cognitive Impairment (MCI)

NCT04426162
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Multi-domain Intervention
Other
Lead sponsor
Neurocore
Other
Eligibility
55 Years to 85 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
Boca Raton, Florida • Palm Beach Gardens, Florida • Grandville, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 21, 2026, 1:53 AM EDT
Withdrawn Not applicable Interventional

Heart Rate Variability Changes During Cardiac Surgery And The Incidence Of Post-Operative Cardiac Arrhythmias

NCT01359683
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Dataq Instruments DI-158
Device
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 14, 2013 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Backpack Weight Impacts

NCT04249986
View directory record Official record
Conditions
Exertion; Excess
Interventions
The Borg Rating of Perceived Exertion
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 21, 2026, 1:53 AM EDT
Recruiting No phase listed Observational

HRV Variation in Rheumatoid Arthritis

NCT07878975
View directory record Official record
Conditions
Rheumatoid Arthritis (RA)
Interventions
Oura Ring
Device
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comprehensive Investigation of Heart Rate Variability as a Measure of the Autonomic Nervous System in Atopic Dermatitis

NCT00691366
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Not listed
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Using Data From a Multisensor Rapid Health Assessment Device to Predict Decompensation in Long COVID (AIDI)

NCT05713266
View directory record Official record
Conditions
COVID-19, Long COVID
Interventions
MouthLabTM
Device
Lead sponsor
Edith Nourse Rogers Memorial Veterans Hospital
Federal
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Oct 21, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Transforming Adolescent Perception and Mental Health Through Meditation and Cognitive Reappraisal A Mixed Method Study

NCT07173608
View directory record Official record
Conditions
Meditation, Cognitive Reappraisal, Emotional Regulation
Interventions
Inner Engineering Program
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
15 Years to 18 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional

HRV Biofeedback in Fibromyalgia

NCT00222274
View directory record Official record
Conditions
Fibromyalgia Syndrome
Interventions
RSA Biofeedback, EEG Biofeedback Condition
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ketone Ester Supplementation and Nocturnal Blood Pressure

NCT05888506
View directory record Official record
Conditions
Cardiovascular Diseases in Old Age, Aging, Cardiovascular Diseases, Sleep
Interventions
Ketone Ester, Placebo
Dietary Supplement
Lead sponsor
Georgia Southern University
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 21, 2026, 1:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

BPIT 5-Week Multi-Site Study: Movement Efficiency, Mobility & Neuromuscular Adaptation

NCT07256717
View directory record Official record
Conditions
Physical Fitness
Interventions
Balanced Progressive Intensity Training (BPIT) 5-Line Method
Behavioral
Lead sponsor
MMSx Authority Institute for Movement Mechanics & Biomechanics Research Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Columbus, Ohio • Powell, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Remote Physiologic Monitoring to Detect Inflammatory Bowel Disease (IBD) Flares: A Feasibility Study

NCT04333810
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
Whoop strap 3.0
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 1:53 AM EDT
Completed Phase 1 Interventional

Personalized Exercise for Adolescents With Diabetes

NCT00686283
View directory record Official record
Conditions
Diabetes
Interventions
PEP intervention
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
12 Years to 19 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Oct 21, 2026, 1:53 AM EDT
Completed No phase listed Observational

Feasibility and Agreement of Remote Evaluation of Resting Heart Rate and Heart Rate Variability in Survivors of Hodgkin Lymphoma Treated With Chest Radiation (PILOT STUDY-SURVIVOR)

NCT03838627
View directory record Official record
Conditions
Hodgkin Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 21, 2026, 1:53 AM EDT