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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:45 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 54 matching trials from the live ClinicalTrials.gov search.
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 Jun 1, 2026 · Synced Oct 23, 2026, 5:45 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Withdrawn Not applicable Interventional Accepts healthy volunteers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 17, 2024 · Synced Oct 23, 2026, 5:45 PM EDT
Completed No phase listed Observational

Implantable Loop Recorders in Post-atrial Fibrillation (AF) Ablation: RPAF-A

NCT01061125
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
TTM and Holter monitor
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 10, 2017 · Synced Oct 23, 2026, 5:45 PM EDT
Completed Phase 1 Interventional

COPANLISIB (BAY80-6946) Drug-drug Interaction and Cardiovascular Safety Study in Advanced Solid Tumor and Non-Hodgkin's Lymphoma Patients

NCT02253420
View directory record Official record
Conditions
Medical Oncology
Interventions
Copanlisib (BAY80-6946), Itraconazole, Rifampin
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2020 · Synced Oct 23, 2026, 5:45 PM EDT
Completed No phase listed Observational

Routine Cardiac Screening in Sarcoidosis Patients

NCT03902223
View directory record Official record
Conditions
Sarcoidosis, Cardiac Sarcoidosis, Boeck's Disease, Besnier-Boeck Disease
Interventions
Enhanced Screening Protocol for Cardiac Sarcoidosis., Routine Screening for Suspected Cardiac Sarcoidosis
Diagnostic Test
Lead sponsor
Foundation for Sarcoidosis Research
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
10
States / cities
Denver, Colorado • Chicago, Illinois • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 23, 2026, 5:45 PM EDT
Recruiting Phase 1Phase 2 Interventional

Vasodilator Therapy With Isosorbide Mononitrate or Diltiazem to Reduce Vasotoxicity in Patients With Gastrointestinal Cancer Receiving Fluoropyrimidine Therapy

NCT07456852
View directory record Official record
Conditions
Malignant Digestive System Neoplasm
Interventions
Biospecimen Collection, Capecitabine, Diltiazem Hydrochloride, Electrocardiogram, Fluorouracil, Holter Monitoring, Isosorbide Mononitrate, Medical Device Usage and Evaluation, Placebo Administration, Questionnaire Administration
Procedure · Drug · Device + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 23, 2026, 5:45 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Effect of Repeat Oral Dosing of GSK2118436 on Cardiac Repolarization in Subjects With V600 BRAF Mutation-Positive Tumors

NCT01738451
View directory record Official record
Conditions
Cancer
Interventions
GSK2118436 75 mg, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
5
States / cities
Scottsdale, Arizona • Memphis, Tennessee • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 23, 2026, 5:45 PM EDT
Completed No phase listed Observational

Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study

NCT06172699
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal, Atrial Fibrillation, Persistent, Cardiac Arrhythmia, Ablation
Interventions
Holter monitoring in patients who have been successfully implanted with an Abbott Assert-IQ ICM device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 100 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
11
States / cities
San Diego, California • Orlando, Florida • Overland Park, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 23, 2026, 5:45 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 14, 2018 · Synced Oct 23, 2026, 5:45 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 7, 2019 · Synced Oct 23, 2026, 5:45 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Artificial Intelligence (AI) Enabled, Cloud-based ECG Diagnostic Solution (ZBPro) Feasibility Testing

NCT06013917
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Cardiac Monitoring
Device
Lead sponsor
ZBeats INC
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 23, 2026, 5:45 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 4, 2006 · Synced Oct 23, 2026, 5:45 PM EDT
Recruiting No phase listed Observational

Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise

NCT03775954
View directory record Official record
Conditions
High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
Interventions
Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
Diagnostic Test · Genetic
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 23, 2026, 5:45 PM EDT
Terminated No phase listed Observational

Non-Invasive Monitoring of Respiratory Function in Spontaneously Breathing Patients With COVID-19 Infection

NCT04356443
View directory record Official record
Conditions
Respiratory Failure, Ventilatory Failure, COVID-19, Pneumonia, ARDS, Human
Interventions
AirGo Respiratory Monitor
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 23, 2026, 5:45 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 4, 2019 · Synced Oct 23, 2026, 5:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Comparative Study of the Sternal Patch System With a Conventional Holter Recorder

NCT04241692
View directory record Official record
Conditions
Cardiac Arrhythmia, Syncope
Interventions
CarnationTM Ambulatory Monitoring Sternal ECG Patch System, Conventional 24-Hour 7 Lead Holter Monitor Recorder
Device
Lead sponsor
Children's National Research Institute
Other
Eligibility
Up to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 23, 2026, 5:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validating Cardiac MRI Biomarkers and Genotype-Phenotype Correlations for DMD

NCT02834650
View directory record Official record
Conditions
Muscular Dystrophy, Duchenne
Interventions
Cardiac MRI with contrast, Cardiac MRI without contrast, Blood Test, Heart Rate, Pulmonary Function Test, Genetic Testing, Repeat MRI scan
Other
Lead sponsor
Stanford University
Other
Eligibility
7 Years to 21 Years · Male only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
3
States / cities
Los Angeles, California • Orange, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 23, 2026, 5:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of CSF-3 in Performing ECG

NCT05591157
View directory record Official record
Conditions
Healthy, ECG
Interventions
CSF-3 watch, designed to monitor a user's heart rate based on ECG (electrocardiogram) and PPG (Photoplethysmograph) readings
Device
Lead sponsor
CardiacSense Ltd.
Industry
Eligibility
21 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 10, 2023 · Synced Oct 23, 2026, 5:45 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 14, 2017 · Synced Oct 23, 2026, 5:45 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 17, 2018 · Synced Oct 23, 2026, 5:45 PM EDT
Withdrawn Not applicable Interventional

The Effect of Yogurt in Cancer Patient With Moderate Gastrointestinal (GI) Symptoms

NCT03177681
View directory record Official record
Conditions
Malignant Neoplasms of Independent (Primary) Multiple Sites
Interventions
Tongue Assessment, Stool Sample, Questionnaires, Holter Monitor, Yogurt
Other · Behavioral · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 23, 2026, 5:45 PM EDT
Completed No phase listed Observational

Changes in Heart Rhythms Associated With Antipsychotic Drug Treatment

NCT00538122
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
24 Holter Monitor Recording
Device
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced Oct 23, 2026, 5:45 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 25, 2024 · Synced Oct 23, 2026, 5:45 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Micra AV Tracking During Exercise Testing

NCT05966168
View directory record Official record
Conditions
Heart Block AV
Interventions
Medtronic Micra AV Device
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 23, 2026, 5:45 PM EDT