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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:16 AM EDT

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Showing 241–264 of 295 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Heart Rate Variability Clear all
Recruiting Not applicable Interventional

Benefits of Choir for Older Adults With Unaddressed Hearing Loss (WP2)

NCT06580847
View directory record Official record
Conditions
Hearing Loss, Age-Related, Speech Intelligibility, Psychosocial Functioning
Interventions
Group Singing, Audiobook Club
Behavioral
Lead sponsor
Toronto Metropolitan University
Other
Eligibility
60 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 22, 2026, 5:16 AM EDT
Completed No phase listed Observational

Sleep Quality, Heart Rate Variability and Anxiety Following Brain Injury

NCT04652895
View directory record Official record
Conditions
Traumatic Brain Injury, Anxiety
Interventions
Not listed
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 20, 2021 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility of a Mind-Body Intervention for Optimism

NCT07862478
View directory record Official record
Conditions
Emotional Well-being, Psychological Stress, Cardiovascular Risk
Interventions
Emotional Well-Being Writing, Chair-Assisted Squats, Slow-Paced Breathing
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
40 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Hypoxia and Heart Rate Variability

NCT05606406
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Hypoxia
Interventions
Nocturnal Oxygen
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the CHIME Intervention for Improving Early Head Start/Head Start Educator Well-being

NCT05791825
View directory record Official record
Conditions
Health, Subjective, Work Related Stress, Compassion, Social Skills
Interventions
Cultivating Healthy Intentional Mindful Educators
Behavioral
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
Not listed
Enrollment
571 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Withdrawn Not applicable Interventional

Relaxation Breathing Training for Children

NCT03271086
View directory record Official record
Conditions
Stress Disorder, Biofeedback
Interventions
The StressEraser, Breathe2Relax, Reminder text messages
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
6 Years to 11 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Results available

Stress, Emotion Regulation, and Alcohol in Women Veterans

NCT04393623
View directory record Official record
Conditions
Alcohol Use Disorder, Post Traumatic Stress Disorder
Interventions
Cognitive Reappraisal, Psychoeducation
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Leeds, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

NeuroFinance Human Stress Trial During Financial and Informational Volatility

NCT07622589
View directory record Official record
Conditions
Psychological Stress, Anxiety, Emotional Stress, Autonomic Nervous System Dysfunction, Sleep Disturbance, Insomnia, Behavioral Health, Cognitive Fatigue, Occupational Stress, Financial Stress, Burnout Syndrome, Heart Rate Variability, Neurobehavioral Manifestations
Interventions
Wearable Physiologic Monitoring Platform
Device
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Potential Benefits of Sonic Augmentation Technology in Music

NCT07065227
View directory record Official record
Conditions
Biobehavioral State, Sonic Augmentation Technology, Oxytocin, Autonomic Reactivity
Interventions
Augmented Theme, Mozart Theme
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 89 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Language Intervention Study of Preterm Infants

NCT03688386
View directory record Official record
Conditions
Language Development, Language Delay, Mother-Infant Interaction, Maternal Behavior
Interventions
Reading intervention, Infant bonding, LENA recording, LENA linguistic feedback, LENA summary
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
23 Weeks to 31 Weeks
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 22, 2026, 5:16 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 22, 2026, 5:16 AM EDT
Completed Phase 2Phase 3 Interventional

Comparing Paroxetine and Duloxetine on Cardiovascular Measures

NCT00136383
View directory record Official record
Conditions
Depressive Symptoms
Interventions
paroxetine versus duloxetine
Drug
Lead sponsor
Duke University
Other
Eligibility
20 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 22, 2026, 5:16 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Neural Correlates of Sensory Phenomena in Tourette Syndrome

NCT03914664
View directory record Official record
Conditions
Tourette Syndrome, Sensory Disorders, Hypersensitivity, Tics
Interventions
Electroencephalogram (EEG) testing procedure, Autonomic function testing procedure
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Osteopathic Manipulative Medicine in Pregnancy: Physiologic and Clinical Effects

NCT00426244
View directory record Official record
Conditions
Low Back Pain, Pregnancy
Interventions
Osteopathic Manipulative Treatment, Placebo Ultrasound
Other
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 22, 2026, 5:16 AM EDT
Withdrawn Phase 3 Interventional

Vagal Nerve Stimulation as an Alternative Therapy for Premature Ventricular Contractions

NCT06110364
View directory record Official record
Conditions
Premature Ventricular Contraction
Interventions
Low-Level Tragus Stimulation, Heart Rate Variability- Biofeedback, Conventional Medical Therapy
Device · Behavioral · Other
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2024 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional

Heartmath Migraine Study

NCT04077658
View directory record Official record
Conditions
Migraine
Interventions
HeartMath, Waitlist Control
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biofeedback for Psoriasis

NCT05506644
View directory record Official record
Conditions
Psoriasis, Psoriasis Vulgaris, Psychophysiological Disorder, Anxiety, Depression, Psychological Stress, Physiological Stress, Quality of Life, Skin Disorder, Skin Diseases
Interventions
HRV-Biofeedback/Mind-Body Therapy
Other
Lead sponsor
Bastyr University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Oct 22, 2026, 5:16 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Wearable Remote Monitoring of Heart Rate and Respiratory Rate for Heart Failure

NCT04455828
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, Heart Failure With Preserved Ejection Fraction
Interventions
WHOOP strap 3.0
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mindful Minds: Mindfulness-Based Neurofeedback for Underrepresented College Students

NCT06784934
View directory record Official record
Conditions
Academic Performance, Anxiety
Interventions
NeuroSky Mindfulness-Based Neurofeedback
Device
Lead sponsor
Florida International University
Other
Eligibility
18 Years to 30 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Heart-Focused Breathing in Alzheimer's Disease Caregivers

NCT04077450
View directory record Official record
Conditions
Burnout, Caregiver, Quality of Life
Interventions
Online Heart-Focused Breathing Intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of SKY Breath Meditation on Health and Well-being

NCT05523414
View directory record Official record
Conditions
Stress, Stress, Psychological, Stress, Physiological, Anxiety, Mental Well Being, Happiness, Resilience
Interventions
SKY
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 99 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional

Heart Rate Variability Biofeedback for Female Sexual Arousal Disorder

NCT02958176
View directory record Official record
Conditions
Female Sexual Arousal Disorder
Interventions
HRV Biofeedback, Autogenic Training
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 22, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of External Nasal Dilator Strips on Sleep and Cardiovascular Health

NCT06403098
View directory record Official record
Conditions
Healthy
Interventions
External Nasal Dilator Strip
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 22, 2026, 5:16 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Prospective Trial of Behavioral Therapy for Chronic Cough

NCT03235466
View directory record Official record
Conditions
Cough
Interventions
Voice Therapy, Voice Therapy and Heart Rate Variability Biofeedback, Heart Rate Variability Biofeedback
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 90 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2020 · Synced Oct 22, 2026, 5:16 AM EDT