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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:06 AM EDT

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Showing 1–24 of 295 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Heart rate variability Clear all
Completed Not applicable Interventional

Evaluating the Feasibility, Acceptability, and Preliminary Outcomes of Heart Rate Variability Biofeedback for Individuals With Opioid Use Disorder.

NCT07361731
View directory record Official record
Conditions
Autonomic Nervous System Imbalance, Heart Rate Variability (HRV), Opioid Use Disorder, Breathing Techniques, Opioid Craving, Recovery, Emotional Regulation, Positive and Negative Affect, Stress, Biofeedback
Interventions
Heart rate variability biofeedback
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Recruiting No phase listed Observational

Observational Study Designed to Detect Decompensation of Congestive Heart Failure (dCHF) Using a Non-Invasive Wearable Device

NCT07350759
View directory record Official record
Conditions
Decompensated Chronic Heart Failure
Interventions
wearable ring device with multiple embedded sensors to detect heart rate, SVO2, respiratory rate, heart rate variability and a number of other related physiologic parameters
Device
Lead sponsor
CHFDX,Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 24, 2026, 2:06 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 24, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating a Mat-Based Biometric Vibration System for Sleep and Daily Recovery

NCT07221318
View directory record Official record
Conditions
Healthy Adult Male and Female Volunteers
Interventions
Low-frequency whole-body vibration mat
Device
Lead sponsor
Florida International University
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 24, 2026, 2:06 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 24, 2026, 2:06 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Teaching Caregivers of Hospice Patients to Administer Reiki

NCT04086017
View directory record Official record
Conditions
Hospice, Pain, Anxiety, Stress
Interventions
Reiki therapy
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Coherence Training for Military Personnel

NCT01599598
View directory record Official record
Conditions
Stress
Interventions
Progressive Muscle Relaxation, Coherence Advantage
Behavioral
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
Not listed
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Short Sessions of HRV Biofeedback

NCT05958329
View directory record Official record
Conditions
Resilience
Interventions
HRV Biofeedback
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Oct 24, 2026, 2:06 AM EDT
Completed No phase listed Observational

The Effect of Positive Airway Pressure on Heart Rate Variability

NCT00289666
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Oct 24, 2026, 2:06 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 24, 2026, 2:06 AM EDT
Completed Phase 4 Interventional Results available

To Evaluate the Effect of Liraglutide on Ambulatory Blood Pressure-A Pilot Study

NCT02299388
View directory record Official record
Conditions
Diabetes Mellitus, Non-Insulin-Dependent, Hypertensive Disease
Interventions
Liraglutide or Placebo
Drug
Lead sponsor
Tulane University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional Results available

The Care After Life-threatening Medical Events Study

NCT04589559
View directory record Official record
Conditions
Cardiac Arrest, Fear
Interventions
Heart Rate Variability Biofeedback Training
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 24, 2026, 2:06 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 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Osteopathic Manipulative Medicine on the Autonomic Nervous System

NCT02193373
View directory record Official record
Conditions
Osteopathic Manual Manipulation of Neurovascular Regulation
Interventions
Osteopathic Manual Medicine, Sham
Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
20 Years to 50 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 24, 2026, 2:06 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 18, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Active, not recruiting No phase listed Observational

Effects of CPAP Therapy on Blood Pressure and Heart Rate Variability in Obstructive Sleep Apnea

NCT04712656
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
CPAP therapy
Device
Lead sponsor
Ohio State University
Other
Eligibility
30 Years to 75 Years
Enrollment
1,739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Completed No phase listed Observational

Posturography Changes During Pregnancy

NCT03067116
View directory record Official record
Conditions
Pregnant Women
Interventions
Posturography Evaluation, Anthropometrics, Vitals, Health and daily activity questionnaires
Diagnostic Test · Other
Lead sponsor
Caps Research Network
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional

Impact of Community-Based Biofeedback Program on Drug Use and Mental Health Among People Experiencing Homelessness

NCT05897580
View directory record Official record
Conditions
Heart Rate Variability
Interventions
Heart Rate Variability - Biofeedback (HRV-BF), Health Promotion (HP)
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2023 · Synced Oct 24, 2026, 2:06 AM EDT
Terminated Not applicable Interventional

Mindfulness - Based Intervention in the Treatment of Fatigue in Patients With Primary Biliary Cholangitis

NCT03684187
View directory record Official record
Conditions
Primary Biliary Cholangitis
Interventions
Mindfulness Based Intervention
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 24, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The THRIVE Study: Teaching Healthy Regulation in Individuals & Vulnerable Environments

NCT06821035
View directory record Official record
Conditions
Adverse Childhood Experiences, Family Functioning
Interventions
Garnering Resilience in Traumatized youth and families (GRIT), Digital Citizenship Curriculum (DCC)
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
11 Years to 14 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Diaphragmatic Breathing and Heart Rate Variability Training for Improving Hypertension in Fragile X Associated Tremor/Ataxia

NCT03816540
View directory record Official record
Conditions
Hypertension, FXTAS
Interventions
HRV and respiratory coherence biofeedback
Device
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 24, 2026, 2:06 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 31, 2025 · Synced Oct 24, 2026, 2:06 AM EDT
Recruiting Not applicable Interventional

Self-applied taVNS for CIPN

NCT07596030
View directory record Official record
Conditions
Chemotherapy Induced Peripheral Neuropathy
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 24, 2026, 2:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tailored Health Self-Management Interventions for Highly Distressed Family Caregivers

NCT03023332
View directory record Official record
Conditions
Distress, Caregiver
Interventions
Resourcefulness Training, Biofeedback training, Bipolar Education
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 120 Years
Enrollment
310 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 24, 2026, 2:06 AM EDT