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ClinicalTrials.gov public records Last synced Sep 19, 2026, 5:59 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Holter monitor Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor

NCT06699056
View directory record Official record
Conditions
Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement, Conduction Defect, Heart Failure, Valvular Heart Disease, Ischemic Heart Disease, Cardiotoxicity, Myocardial Infarction, Dilated Cardiomyopathy, HFrEF - Heart Failure With Reduced Ejection Fraction, HFpEF - Heart Failure With Preserved Ejection Fraction, Syncope, Remodeling, Cardiac
Interventions
15-minutes of sitting during COR ECG Acquistion
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
8
States / cities
Orange, California • Pasadena, California • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Not applicable Interventional

PITA-HF: Feasibility, Safety, and Tolerability

NCT04159454
View directory record Official record
Conditions
Heart Failure, Dilated Cardiomyopathy
Interventions
PITA
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational

Surface Electrocardiogram (ECG) Signal Recording for Implantable Subcutaneous String Defibrillator (ISSD) Development

NCT02991716
View directory record Official record
Conditions
Arrhythmia, Cardiac
Interventions
recorded patients
Other
Lead sponsor
NewPace Ltd
Industry
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Atlantis, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

True Continuous ECG Monitoring (TCEM Study)

NCT01559246
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Not listed
Lead sponsor
iRhythm Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational

Arrhythmias in Myotonic Muscular Dystrophy

NCT00622453
View directory record Official record
Conditions
Muscular Dystrophy, Arrhythmia, Sudden Cardiac Death
Interventions
Screening
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
448 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational

A Study to Determine the Feasibility of Wireless Electrocardiography

NCT02162394
View directory record Official record
Conditions
Atrial Fibrillation, Premature Atrial and Ventricular Beats, Conduction Defects, Normal Sinus Rhythm
Interventions
Observational ambulatory ECG monitoring
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

LUX-Dx Insertable Cardiac Monitor Remote Programming and Performance Study

NCT04732728
View directory record Official record
Conditions
Atrial Fibrillation, Syncope, Cryptogenic Stroke
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
727 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
24
States / cities
Huntsville, Alabama • Flagstaff, Arizona • Jonesboro, Arkansas + 21 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiac Autonomic Function in Women with Microvascular Coronary Dysfunction

NCT01568177
View directory record Official record
Conditions
Microvascular Coronary Dysfunction
Interventions
Mental Stress Testing, Peripheral Arterial Tonometry (PAT) Testing, Heart Rate Variability (HRV), RESPeRATE Breathing Trial, SPECT cardiac scan with 123I-mIBG and Myoview
Behavioral · Other · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 19, 2026, 5:59 PM EDT
Recruiting No phase listed Observational

Fainting Detection And Early Warning In Syncope Evaluation Study (ARISE)

NCT07502599
View directory record Official record
Conditions
Orthostatic Hypotension, Reflex Syncope
Interventions
Wearable holter monitor
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Phase 4 Interventional Results available

A Study in Cancer Patients to Evaluate the Effect of Lapatinib on the QTc Interval

NCT01328054
View directory record Official record
Conditions
Cancer
Interventions
lapatinib, placebo matching lapatinib
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
4
States / cities
Detroit, Michigan • Lebanon, New Hampshire • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Sep 19, 2026, 5:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Wearable Technology to Evaluate Hyperglycemia and HRV in DMD

NCT06124196
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 19, 2026, 5:59 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

The Effects of Cannabidiol (CBD) on Electrical and Autonomic Cardiac Function in Children With Severe Epilepsy

NCT02815540
View directory record Official record
Conditions
Lennox-Gastaut Syndrome, Dravet Syndrome
Interventions
12-Lead ECG, Cannabidiol
Procedure · Drug
Lead sponsor
Gillette Children's Specialty Healthcare
Other
Eligibility
2 Years to 30 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Phase 2 Interventional Results available

PT003 MDI Cardiovascular Safety Study

NCT01349803
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
PT005 MDI, PT001 MDI, PT003 MDI, Formoterol Fumarate 12 μg (Foradil® Aerolizer®)
Drug
Lead sponsor
Pearl Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
10
States / cities
Glendale, Arizona • Fullerton, California • Los Angeles, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 19, 2026, 5:59 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effectiveness of Patch-Based Screening for Pre-Symptomatic Atrial Fibrillation to Improve Patient Outcome

NCT06953778
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Zio XT® Patch
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
24,060 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2033
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Electrocardiography Data Analysis in Sleep Disorders

NCT02188498
View directory record Official record
Conditions
Sleep Disorders, Sleep Apnea, Sleep Disordered Breathing
Interventions
Polysomnography
Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 95 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Myocardial Ischemia Detection for Early Identification of Patients With Ischemic Chest Pain

NCT02055443
View directory record Official record
Conditions
Cardiac Ischemia, Chest Pain, Shortness of Breath
Interventions
12-lead holter monitor application
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational

The Simple ECG Monitoring Trial (Comparison of a Novel Recording System With a Standard Holter Monitor)

NCT01382953
View directory record Official record
Conditions
Syncope, Pre-syncope, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Standard Holter/Investigational patch
Device
Lead sponsor
Seattle Institute for Cardiac Research
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Chicago, Illinois • Enumclaw, Washington
Source: ClinicalTrials.gov public record
Updated Jan 9, 2012 · Synced Sep 19, 2026, 5:59 PM EDT
Withdrawn Not applicable Interventional

The Effect of Yoga on Cardiac Sympathetic Innervation Evaluated by I-123 mIBG

NCT03227393
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Yoga training
Behavioral
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 19, 2026, 5:59 PM EDT
Not listed Not applicable Interventional

Insulation Failure in St. Jude Riata Leads

NCT02095977
View directory record Official record
Conditions
Implanted With Any Currently (and Any Future) FDA-approved Medtronic ICD or CRT Device, to Which is Attached a St. Jude Riata Lead
Interventions
fluoroscopy, synchronized high-voltage shock, Holter monitor
Procedure
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Phase 1 Interventional

A Study to Look at the Electrical Activity of the Heart in Subjects With Solid Tumor Cancers, Before and After Receiving the Study Treatment, GSK1120212

NCT01658553
View directory record Official record
Conditions
Cancer
Interventions
GSK1120212
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
San Antonio, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Results available

Clinical Comparison of Electrocardiograms Collected Using an Ambulatory Holter

NCT02383667
View directory record Official record
Conditions
Electrocardiography
Interventions
Electrocardiogram holter
Device
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2019 · Synced Sep 19, 2026, 5:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Vulnerability to Particulate Exposure

NCT00013949
View directory record Official record
Conditions
Heart Disease, Lung Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
50 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 19, 2026, 5:59 PM 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 16, 2024 · Synced Sep 19, 2026, 5:59 PM EDT
Completed Phase 1 Interventional

VEG111485: A QTc Study of Pazopanib

NCT00861029
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
Pazopanib, Placebo for pazopanib, Moxifloxacin, Placebo for moxifloxacin
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
Duarte, California • Santa Monica, California • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 19, 2026, 5:59 PM EDT