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ClinicalTrials.gov public records Last synced May 22, 2026, 5:03 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 438 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Heart Rate Clear all
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Anxiety, Stress
Interventions
Meditation
Behavioral
Lead sponsor
WellSpan Health
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Dover, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 10, 2021 · Synced May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Heart Rate, Sleep Habit, Sleep
Interventions
Legacy Alerting System, Intervention 2: EaseAlert Standalone
Device
Lead sponsor
Embry-Riddle Aeronautical University
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Blue Springs, Missouri • Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced May 22, 2026, 5:03 AM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Labor
Interventions
Fetal Heart Rate Monitor
Device
Lead sponsor
Mindchild Medical Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
South Weymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Critical Illness, Physiological Stress, Delirium, Sleep Deprivation
Interventions
Sound reduction, Sound masking
Device
Lead sponsor
Brian Gehlbach
Other
Eligibility
18 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional
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 10, 2018 · Synced May 22, 2026, 5:03 AM EDT
Recruiting No phase listed Observational
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 Jul 23, 2025 · Synced May 22, 2026, 5:03 AM EDT
Not listed Not applicable Interventional
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 May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Ankle Sprains, Motor Coordination or Function; Developmental Disorder
Interventions
Self-Hypnosis, Ankle Education
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced May 22, 2026, 5:03 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Pregnancy, Abdominal
Interventions
Raydiant Oximetry Sensor System
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced May 22, 2026, 5:03 AM EDT
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 22, 2026, 5:03 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Fever, Heart Rate, Fetal (FHR)
Interventions
Acetaminophen 975 mg
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2013 · Synced May 22, 2026, 5:03 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Placebo, Vaporized THC alone, Vaporized CBD alone, Vaporized CBD with THC
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 4, 2019 · Synced May 22, 2026, 5:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
Interventions
magnetocardiography, postnatal ECG, fetal echocardiography
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced May 22, 2026, 5:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Vital Sign Evaluation
Interventions
SmartSpectra Vital Signs Monitor measurement
Device
Lead sponsor
Presage Technologies, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced May 22, 2026, 5:03 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Septic Shock, Sepsis, Shock, Tachycardia, Arrhythmia
Interventions
Phenylephrine, Norepinephrine
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced May 22, 2026, 5:03 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Fear Response, Cold Stress, Pain Response, Caffeine, 12-Hour Fast, Maximal Dynamic Exercise
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Neonatal Resuscitation, Infant, Premature
Interventions
Electrocardiogram group, Pulse oximeter and auscultation group
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Up to 1 Hour
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced May 22, 2026, 5:03 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
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 May 22, 2026, 5:03 AM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Heart Failure
Interventions
Cardiac Resynchronization Therapy Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 5, 2009 · Synced May 22, 2026, 5:03 AM EDT
Recruiting Not applicable Interventional
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 17, 2025 · Synced May 22, 2026, 5:03 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Sinus Node Dysfunction
Interventions
Reprogramming dual chamber pacemaker
Device
Lead sponsor
Arun Rao
Other
Eligibility
60 Years to 95 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Kingsport, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced May 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Exercise, Fatigue
Interventions
Placebo, Beta-alanine
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced May 22, 2026, 5:03 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Surgical Patients
Interventions
Observation
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Year and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced May 22, 2026, 5:03 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pre Term Labor, Multiple Pregnancy
Interventions
Not listed
Lead sponsor
Monica Healthcare Ltd
Industry
Eligibility
17 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 19, 2014 · Synced May 22, 2026, 5:03 AM EDT