Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 13, 2026, 8:11 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional

Short Sessions of HRV Biofeedback

NCT05958329
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Intramuscular (IM) Oxytocin on Pupil Diameter and Heart Rate Variability (HRV)

NCT04105998
Conditions
Chronic Pain Due to Injury
Interventions
Oxytocin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 66 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

A Cognitive Behavioral Stress Intervention for Women Who Smoke

NCT03077945
Conditions
Smoking, Cigarette, Smoking Cessation, Stress, Stress, Emotional, Stress Reaction
Interventions
heart rate variability biofeedback and cognitive reappraisal, control tasks
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Completed Not applicable Interventional Results available

Relaxation and Heart Rate Variability

NCT00735618
Conditions
Cancer
Interventions
Guided Relaxation
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Houston, Texas
Conditions
Heart Rate Variability Ischemia Detection
Interventions
Not listed
Lead sponsor
Sheba Medical Center
Government
Eligibility
21 Years and older
Enrollment
621 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Can You Breathe Your Way To Better Health?

NCT06829836
Conditions
Cancer, Chronic Stress, Autonomic Dysfunction
Interventions
Hight intensity interval training, Cyclic Hyperventilation with Retention
Behavioral
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Greeley, Colorado
Recruiting No phase listed Observational Accepts healthy volunteers

Wearable Technology to Evaluate Hyperglycemia and HRV in DMD

NCT06124196
Conditions
Duchenne Muscular Dystrophy
Interventions
wearable technology
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
10 Years and older · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
1
States / cities
Nashville, Tennessee
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
Completed Not applicable Interventional Results available

HRV Biofeedback in Pain Patients

NCT02426476
Conditions
Chronic Neuromuscular Pain
Interventions
active heart rate variability biofeedback training, sham HRVB training
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Columbia, South Carolina
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
Conditions
Heart Rate Variability, Exercise
Interventions
Force plate assessment, Whoop wrist band
Other · Device
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
25 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Chicago, Illinois • Frisco, Texas
Conditions
Mild Traumatic Brain Injury (mTBI), Sports-related Concussion, Heart Rate Variability (HRV), Walking, Oculomotor, Saliva, Exosomal microRNA, Cognitive Function
Interventions
Home-Based Mobile Dual-Task Intervention (BraW-Day™)
Behavioral
Lead sponsor
Hyunhwa Lee
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional Results available

RCT of Effects of Device-guided Breathing on Ambulatory BP

NCT01184755
Conditions
Hypertension
Interventions
Relaxation, RESPeRate
Behavioral · Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 80 Years
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
2
States / cities
New Brunswick, New Jersey • New York, New York
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

The Effect of Acupuncture on Blood Pressure and Heart Rate Variability (HRV)

NCT00724763
Conditions
Hypertension
Interventions
acupuncture, sham needle treatment
Device
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
20 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Chesterfield, Missouri
Conditions
Stroke, Osteopathic Medicine, Physical Examination, Heart Rate Variability (HRV), Energy Expenditure, Patient Reported Outcome (PRO)
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Sacramento, California
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Hot Water Immersion on Heart Rate Variability and Glucose

NCT06193291
Conditions
Glucose Tolerance, HRV
Interventions
Feet heating, Calf heating
Procedure
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Diego, California
Conditions
Recovery of Function (G11.427.698.620), Athletic Performance, Heart Rate Variability (HRV)
Interventions
Magnesium L-Threonate, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Sickle Cell Disease
Interventions
Heart Rate Variability Biofeedback
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
10 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Greenville, South Carolina
Conditions
Cardiac Event Risk
Interventions
metoprolol
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Fresno, California
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Heart Rate Variability and Emotion Regulation

NCT03458910
Conditions
Heart Rate Variability
Interventions
HRV training
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 80 Years
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Study of Osteopathic Manipulative Medicine on the Autonomic Nervous System

NCT02193373
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
Conditions
PreDiabetes, Heart Rate Variability (HRV), Stress and Anxiety, Stress Biomarkers
Interventions
Nature-based Walking, Built-environment/Commercial Walking
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
25 Years to 64 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Lake Forest, Illinois • Winfield, Illinois • Minneapolis, Minnesota
Conditions
Duchenne Muscular Dystrophy
Interventions
wearable technology
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
10 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
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