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ClinicalTrials.gov public records Last synced May 21, 2026, 10:11 PM 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 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Rate Variability (HRV) Clear all
Withdrawn Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 26, 2012 · Synced May 21, 2026, 10:11 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Depression
Interventions
Active Transcranial Direct Current Stimulation (tDCS), Sham Transcranial Direct Current Stimulation (tDCS)
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Stress
Interventions
Chiropractic adjustment using an activator
Other
Lead sponsor
Life University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 1, 2021 · Synced May 21, 2026, 10:11 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Heart Rate Variability
Interventions
Not listed
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Noninvasive actigraphy monitor
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced May 21, 2026, 10:11 PM EDT
Not listed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced May 21, 2026, 10:11 PM EDT
Not listed Phase 1 Interventional
View directory record Official record
Conditions
Hypertension
Interventions
NanoGreens, Whey protein, Calcium pills
Dietary Supplement
Lead sponsor
Logan College of Chiropractic
Other
Eligibility
20 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 27, 2008 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced May 21, 2026, 10:11 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced May 21, 2026, 10:11 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
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 – 2027
U.S. locations
3
States / cities
Lake Forest, Illinois • Winfield, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced May 21, 2026, 10:11 PM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 4, 2019 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional
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 14, 2026 · Synced May 21, 2026, 10:11 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional
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 May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 18, 2011 · Synced May 21, 2026, 10:11 PM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Migraine, Heart Rate Variability (HRV), Autonomic Nervous System, Headache (Migraine), Headache, Chronic Pain, mHealth, Breathing
Interventions
Baseline Survey, Heart rate variability biofeedback, Sham Control Group
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional
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 23, 2023 · Synced May 21, 2026, 10:11 PM EDT
Withdrawn No phase listed Observational
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 May 21, 2026, 10:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced May 21, 2026, 10:11 PM EDT