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ClinicalTrials.gov public records Last synced Oct 24, 2026, 4:22 AM EDT

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Showing 121–144 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: ECG Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Determine the Effect of Efavirenz on the ECG QTcF Interval in Healthy Subjects

NCT02164812
View directory record Official record
Conditions
HIV/AIDS
Interventions
Moxifloxacin, Placebo, Efavirenz
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 49 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 7, 2015 · Synced Oct 24, 2026, 4:22 AM EDT
Recruiting Not applicable Interventional

Can Conventional ECG Technology Capture Fetal Cardiac Activity?

NCT03111173
View directory record Official record
Conditions
Fetal Monitoring
Interventions
Holter Device
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 24, 2026, 4:22 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents

NCT05893459
View directory record Official record
Conditions
Child Maltreatment, Interpersonal Relations, Victimisation, Psychopathology, Electrocardiography
Interventions
Debrief
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
13 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Phase 1 Interventional Results available

A Study Measuring Effect of LY2140023 (Pomaglumetad Methionil) on Electrocardiographs in Participants With Schizophrenia

NCT01606436
View directory record Official record
Conditions
Schizophrenic Disorders
Interventions
LY2140023, Placebo, Moxifloxacin
Drug
Lead sponsor
Denovo Biopharma LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
8
States / cities
Garden Grove, California • San Diego, California • North Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Not applicable Interventional Results available

AI-SCREENDCM Decentralized Clinical Trial - Pilot Study

NCT06609174
View directory record Official record
Conditions
Cardiomyopathy
Interventions
KardiaRx ECG Screening and AI interpretation of ECG
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vital USA SpO2 Accuracy Comparison to Arterial Blood CO-Oximetry

NCT04285411
View directory record Official record
Conditions
Arterial Disease
Interventions
Accuracy of the VitalDetect™ pulse oximetry system
Device
Lead sponsor
Vital USA, Inc.
Industry
Eligibility
18 Years to 52 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Synthesized 18-Lead ECG in the Emergency Department

NCT03426436
View directory record Official record
Conditions
Chest Pain
Interventions
Two consecutive 15-lead ECGs
Diagnostic Test
Lead sponsor
Nihon Kohden
Industry
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Manhasset, New York • New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Phase 1 Interventional

Effect on QTc, Pharmacokinetics, Safety, and Preliminary Efficacy of Single-agent Palifosfamide-tris in Subjects With Advanced Solid Tumors

NCT01340547
View directory record Official record
Conditions
Advanced Solid Tumors
Interventions
palifosfamide-tris, Normal Saline
Drug
Lead sponsor
Alaunos Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
3
States / cities
Dallas, Texas • Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 24, 2026, 4:22 AM 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 24, 2026, 4:22 AM 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 24, 2026, 4:22 AM EDT
Terminated Not applicable Interventional

Post-concussion Syndrome and Chiropractic

NCT06151184
View directory record Official record
Conditions
Post-Concussion Syndrome
Interventions
Chiropractic adjustment
Procedure
Lead sponsor
Life University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 24, 2026, 4:22 AM EDT
Completed No phase listed Observational

Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber Pacemakers

NCT00883610
View directory record Official record
Conditions
Prolonged QT Interval
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Oct 24, 2026, 4:22 AM EDT
Active, not recruiting No phase listed Observational

An Evaluation of Concordance of Smartwatch ECG and One Clinical ECG and Comparison of The Two ECGS in Terms of Predictive Risks

NCT05617391
View directory record Official record
Conditions
Childhood Cancer, Cardiomyopathy, Primary
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
22 Years and older
Enrollment
1,303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 24, 2026, 4:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prospective Study to Validate the Clinical Accuracy of the Norbert Device to Measure Pulse Rate

NCT05640323
View directory record Official record
Conditions
Healthy, Arrhythmia
Interventions
Norbert Device
Device
Lead sponsor
Norbert Health
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
Brooklyn, New York • Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Oct 24, 2026, 4:22 AM 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 24, 2026, 4:22 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

ECG Validation Study

NCT05445726
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
CPM Device
Device
Lead sponsor
Analog Device, Inc.
Other
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 24, 2026, 4:22 AM EDT
Active, not recruiting No phase listed Observational

Factors Associated With Response to Cardiac Resynchronization Therapy in Heart Failure Patients With Non-LBBB ECG Pattern

NCT06977217
View directory record Official record
Conditions
Cardiomyopathies, Heart Failure, Non-left Bundle Branch Block, Cardiac Resynchronization Therapy
Interventions
CRT-D implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 24, 2026, 4:22 AM EDT
Recruiting No phase listed Observational

AK+ Guard™ Pilot Study in Chronic Kidney Disease: Outpatient Diagnostic Accuracy and Remote Monitoring

NCT07210021
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease (Stage 3-4)
Interventions
AK+ Guard™ ECG Application
Device
Lead sponsor
AccurKardia, Inc.
Industry
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Multiple-Dose Study of Effect of Bardoxolone Methyl on QT/QTC Interval Volunteers

NCT01689116
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Bardoxolone Methyl 20mg, Bardoxolone Methyl 80mg, Bardoxolone Methyl Placebo, Moxifloxacin 400mg, Moxifloxacin Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 50 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 24, 2026, 4:22 AM 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 24, 2026, 4:22 AM EDT
Not listed Not applicable Interventional

Electrocardiogram-based Artificial Intelligence-assisted Detection of Heart Disease

NCT05442203
View directory record Official record
Conditions
Atrial Fibrillation, Structural Heart Disease
Interventions
Zio Patch Monitor, Echocardiogram
Device
Lead sponsor
Tempus AI
Industry
Eligibility
40 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Grand Rapids, Michigan • Cincinnati, Ohio • Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Oct 24, 2026, 4:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of a Novel 12-Lead Wireless Electrocardiogram (ECG) and a Standard Wired ECG

NCT00998842
View directory record Official record
Conditions
Healthy
Interventions
Recom Model 100, GE 5000 ECG Monitor System
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 4, 2009 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Phase 3 Interventional Results available

Tele-Electrocardiography in Emergency Cardiac Care

NCT00075088
View directory record Official record
Conditions
Myocardial Infarction, Chest Pain
Interventions
Electrocardiogram (ECG) Intervention, Routine Clinical Practice
Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
794 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Oct 24, 2026, 4:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Thorough EKG Safety Study of TA-1790 (Avanafil)

NCT00769041
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
moxifloxacin, avanafil, sugar pill
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 7, 2011 · Synced Oct 24, 2026, 4:22 AM EDT