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ClinicalTrials.gov public records Last synced Oct 29, 2026, 2:49 PM EDT

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Showing 73–96 of 151 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Electrocardiogram Clear all
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE

NCT05357404
View directory record Official record
Conditions
Valvular Heart Disease
Interventions
Not listed
Lead sponsor
Cardiovascular Research Foundation, New York
Other
Eligibility
65 Years to 85 Years
Enrollment
2,870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 29, 2026, 2:49 PM EDT
Recruiting No phase listed Observational

Ultra-High Frequency - Electrocardiogram (UHF-ECG) for the Diagnosis of Ventricular Electrical Dyssynchrony (VED)

NCT06641362
View directory record Official record
Conditions
Bradycardia, Heart Failure, Ventricular Dysfunction
Interventions
Ultra High Frequency Electrocardiogram (UHF-ECG)
Device
Lead sponsor
VDI Technologies
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess Cardiac Conduction of GSK1349572

NCT00996021
View directory record Official record
Conditions
Healthy Subjects
Interventions
GSK1349572 250 mg, Placebo Suspension, Moxifloxacin 400 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 25, 2010 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Intrepid Clinical Engineering Study

NCT05636332
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
12 lead Electrocardiogram
Diagnostic Test
Lead sponsor
Heartstream US LLC
Industry
Eligibility
29 Days to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lehigh Acres, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Not applicable Interventional Results available

Ambulatory Post-Syncope Arrhythmia Protection Feasibility Study

NCT02188147
View directory record Official record
Conditions
Syncope
Interventions
Short Term Wearable Defibrillator
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
6
States / cities
Danbury, Connecticut • Jacksonville, Florida • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 29, 2026, 2:49 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Registry Study for the Evaluation of High-risk Cardiac Patients by WILLEM AI-based ECG Platform

NCT07333547
View directory record Official record
Conditions
High-risk Cardiac Patients
Interventions
Willem AI ECG assessment
Device
Lead sponsor
Idoven 1903 S.L.
Industry
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2036
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 29, 2026, 2:49 PM EDT
Completed No phase listed Observational

Prevalence of Chagas Disease in Immigrant Patients With Conduction Abnormalities on Electrocardiogram

NCT00453700
View directory record Official record
Conditions
Chagas Disease
Interventions
Trypanosoma cruzi serology
Procedure
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effects of Tramadol Hydrochloride on Cardiac Repolarization in Healthy Participants

NCT02307864
View directory record Official record
Conditions
Healthy
Interventions
Tramadol HCl, Moxifloxacin 400 mg, Tramadol HCl Placebo, Moxifloxacin Placebo
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes

NCT02513940
View directory record Official record
Conditions
Long QT Syndrome
Interventions
Testosterone, Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Thorough QT Study of Telotristat Etiprate

NCT02155205
View directory record Official record
Conditions
QT Interval
Interventions
Telotristat etiprate, Placebo, Moxifloxacin
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the QTC Interval in Healthy Volunteers Dosed With Dexpramipexole (QTC = Electrocardiogram (ECG) Interval Measured From the Onset of the QRS Complex to the End of the T Wave Corrected for Heart Rate)

NCT01511029
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Dexpramipexole, Dexpramipexole Placebo, Moxifloxacin
Drug
Lead sponsor
Knopp Biosciences
Industry
Eligibility
18 Years to 60 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2014 · Synced Oct 29, 2026, 2:49 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Fetal Electrocardiogram Extraction-Pilot Study

NCT01681498
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Huntleigh Healthcare Ltd
Industry
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 3, 2014 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Define the Electrocardiogram Effects of a Single Dose of LX4211 in Healthy Subjects

NCT01913002
View directory record Official record
Conditions
Healthy
Interventions
LX4211 800 mg, LX4211 2000 mg, moxifloxacin 400 mg, LX4211 Placebo
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Oct 29, 2026, 2:49 PM EDT
Enrolling by invitation Not applicable Interventional

Computational Cardiac Imaging Analysis to Guide Ventricular Tachycardia Ablation Procedures (AI-VT)

NCT06964152
View directory record Official record
Conditions
Ventricular Tachycardia (VT), Premature Ventricular Contraction (PVC), Ventricular Fibrillation
Interventions
Computational electrocardiography and cardiac computed tomography mapping
Diagnostic Test
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years to 90 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Not applicable Interventional

Analysis of Surface EKG Signals to Identify Myocardial Dysfunction in Patients at Risk for Coronary Artery Disease

NCT02560168
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
MyoVista device, Computed tomographic coronary angiography, Transthoracic Echocardiography
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Not applicable Interventional Results available

A Study to Detect Advanced Liver Disease Via AI-enabled Electrocardiogram

NCT05782283
View directory record Official record
Conditions
Cirrhosis
Interventions
ACE (AI-Cirrhosis-ECG) 2.0
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 29, 2026, 2:49 PM EDT
Not listed No phase listed Observational

Non-invasive Pulmonary Artery Prediction (ADOPTS)

NCT05641675
View directory record Official record
Conditions
Heart Failure, Pulmonary Arterial Hypertension
Interventions
right heart catheterization
Diagnostic Test
Lead sponsor
Silverleaf Medical Sciences INC
Industry
Eligibility
20 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 29, 2026, 2:49 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Phono- and Electrocardiogram Assisted Detection of Valvular Disease

NCT03458806
View directory record Official record
Conditions
Aortic Valve Stenosis, Mitral Regurgitation, Heart Murmurs, Valvular Heart Disease
Interventions
AS Algorithm 1, AS Algorithm 2, MR Algorithm 1, MR Algorithm 2
Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Guanfacine Immediate-release Electrocardiogram Results (QTc) Study

NCT00672984
View directory record Official record
Conditions
Healthy Volunteers
Interventions
immediate release guanfacine hydrochloride, moxifloxacin, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Safety Study to Assess the Effects of Therapeutic and Supratherapeutic Exenatide Concentrations on QT Interval in Healthy Subjects

NCT01297062
View directory record Official record
Conditions
Healthy Subjects
Interventions
Exenatide, Moxifloxacin, Placebo comparator
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Daytona Beach, Florida • Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 29, 2026, 2:49 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 29, 2026, 2:49 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening

NCT01929083
View directory record Official record
Conditions
Prolonged QT Interval in EKG and Sudden Death
Interventions
Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 30, 2015 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Investigational Study of Experimental Medication BMS-986165 in Healthy Participants to Study Electrocardiogram Effects

NCT03541564
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Healthy Participants
Interventions
BMS-986165, Moxifloxacin, Placebo
Drug · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 29, 2026, 2:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Thorough QT/QTC (TQT) Clinical Trial to Evaluate the Effect of Zoliflodacin on Cardiac Repolarization in Healthy Male and Female Subjects

NCT03613649
View directory record Official record
Conditions
Electrocardiogram Repolarisation Abnormality, Gonococcal Infection
Interventions
AZD0914, Moxifloxacin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2020 · Synced Oct 29, 2026, 2:49 PM EDT