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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Rate Variability Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers

Depression, Trauma, and Health: Efficacy of an mHealth App for Symptom Self-Management in College Students

NCT04094792
View directory record Official record
Conditions
Depression
Interventions
Happify Breather App
Device
Lead sponsor
Donna Schuman
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Jul 22, 2026, 2:02 AM EDT
Withdrawn No phase listed Observational

Using WHOOP Fitness Band to Measure Heart Health Variability Before and After Surgery

NCT07097168
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Not listed
Lead sponsor
Tufts Medical Center
Other
Eligibility
20 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Heart Rate Variability in Depression

NCT02525978
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Video Task, Imaginal Task
Behavioral · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Minority Health Through Biofeedback and Stress Reduction

NCT07172152
View directory record Official record
Conditions
Cardiovascular Disease Risk Reduction, Chronic Stress, Anxiety, Emotional Regulation, Hypertension Prevention, Health Disparities
Interventions
HRV Biofeedback Training
Behavioral
Lead sponsor
Amelia Saul, PhD, CTRS, BCB
Other
Eligibility
18 Years to 35 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 22, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional

Low Level Tragus Stimulation in Acute Decompensated Heart Failure

NCT02898181
View directory record Official record
Conditions
Acute Decompensated Heart Failure
Interventions
Neuromodulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Jul 22, 2026, 2:02 AM EDT
Completed No phase listed Observational Results available

Correlates of GERD Symptom Severity

NCT03020550
View directory record Official record
Conditions
GERD
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Jul 22, 2026, 2:02 AM EDT
Completed No phase listed Observational

Predicting Treatment Response Using Psychophysiologic Reactivity Measures

NCT01571245
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Not listed
Lead sponsor
Central Arkansas Veterans Healthcare System
Federal
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
North Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Caring Relationships Expression Study

NCT05627687
View directory record Official record
Conditions
Caregiver Burden, Anxiety, Stress
Interventions
Heart Rate Variability Biofeedback, Music Listening Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 11, 2024 · Synced Jul 22, 2026, 2:02 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Using Heart Rate Variability Biofeedback to Improve Attention and Memory in PTSD+ Combat Veterans

NCT00625105
View directory record Official record
Conditions
PTSD
Interventions
Biofeedback
Behavioral
Lead sponsor
William Jennings Bryan Dorn VA Medical Center
Federal
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Jul 22, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional

Eastern Principles Acceptance and Commitment Therapy For Injury Prevention Among Nurses and Nursing Aides

NCT06813495
View directory record Official record
Conditions
Well-Being, Psychological, Work Injury, Musculoskeletal Pain, High Frequency Heart Rate Variability, Burnout, Mindfulness, Self-Compassion, Acceptance and Commitment Therapy, Heart Rate Variability
Interventions
Eastern Principles Acceptance and Commitment Therapy for Nurses and Nursing Aids (EPACT NNA), Acceptance and Commitment Therapy for Nurses and Nursing Aids (ACT NNA)
Behavioral
Lead sponsor
Bowling Green State University
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bowling Green, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jul 22, 2026, 2:02 AM EDT
Not listed Not applicable Interventional

The Vitality Project for Fatigued Female Cancer Survivors

NCT03259438
View directory record Official record
Conditions
Fatigue, Cancer Survivorship
Interventions
Qigong, Healthy Living (CHIP + Pre-Train)
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional

The Effects of Heart Rate Variability Biofeedback on College Students With Disordered Eating

NCT06546163
View directory record Official record
Conditions
Eating Disorders, Eating, Binge, Anorexia Nervosa/Bulimia, Eating Disorder Binge, Heart Rate Variability, Psychological Distress, Emotion Regulation, Autonomic Nervous System
Interventions
Baseline survey, Heart rate variability biofeedback, Educational materials
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional

Use of Heart Rate Variability (HRV) Biofeedback for Cancer Survivors

NCT03692624
View directory record Official record
Conditions
Cancer
Interventions
Biofeedback
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2020 · Synced Jul 22, 2026, 2:02 AM EDT
Completed No phase listed Observational

Heart Rate Variability as a Predictor of Ischemic Heart Disease

NCT02959788
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Heart rate variability
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Heart Rate Variability Biofeedback: It's Role in Asthma Therapeutics

NCT02766374
View directory record Official record
Conditions
Asthma
Interventions
Heart rate variability biofeedback, Placebo
Behavioral
Lead sponsor
Fred Wamboldt, MD
Other
Eligibility
18 Years to 75 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
2
States / cities
Denver, Colorado • Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Heart Rate Variability Biofeedback in Older Adults

NCT05902286
View directory record Official record
Conditions
Older Adult
Interventions
OSC-
Behavioral
Lead sponsor
Brigham Young University
Other
Eligibility
65 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Aug 11, 2024 · Synced Jul 22, 2026, 2:02 AM EDT
Active, not recruiting Not applicable Interventional

Novel Mental Health Therapies to Improve Military Readiness

NCT05887713
View directory record Official record
Conditions
Anxiety, Alpha Stim, Cranial Electrotherapy Stimulation, Cognitive Behavioral Therapy, Heart Rate Variability
Interventions
Experimental: Alpha-Stim 100, Sham Comparator
Device
Lead sponsor
David Moss
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness, Yoga, and Cardiovascular Disease

NCT00696852
View directory record Official record
Conditions
Cardiovascular Disease, Stress, Anxiety, Depression
Interventions
Mindfulness Meditation, Yoga, Exercise, Relaxation, and Health Education
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
40 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2012 · Synced Jul 22, 2026, 2:02 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 15, 2017 · Synced Jul 22, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Heart Rate Variability Modulation on Stress Management Among Physicians

NCT05731856
View directory record Official record
Conditions
Burnout, Professional
Interventions
Apollo Wearable
Device
Lead sponsor
Michelle Thompson
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jul 22, 2026, 2:02 AM EDT
Terminated Phase 3 Interventional Results available

Clinical Importance of Treating Iron Overload in Sickle Cell Disease

NCT00981370
View directory record Official record
Conditions
Anemia, Sickle Cell, Transfusion Hemosiderosis
Interventions
deferasirox
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
14 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Jul 22, 2026, 2:02 AM EDT
Not listed Not applicable Interventional

Neurophysiological Mechanisms of Accelerated Resolution Therapy (ART)

NCT04121884
View directory record Official record
Conditions
Depressive Symptoms, Stress Disorder, Acute, Prolonged Grief Disorder, Alcohol Abuse, Stress Disorders, Post-Traumatic
Interventions
Accelerated Resolution Therapy
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 22, 2026, 2:02 AM EDT
Not listed Phase 1Phase 2 Interventional

Standard Process 21 Day Purification Program Project

NCT00724217
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Standard Process 21 Day Purification Program (SPPP)
Other
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 28, 2008 · Synced Jul 22, 2026, 2:02 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

L-citrulline Supplementation & Cold Exposure

NCT01462591
View directory record Official record
Conditions
Hypertension
Interventions
L-citrulline
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Aug 4, 2014 · Synced Jul 22, 2026, 2:02 AM EDT