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ClinicalTrials.gov public records Last synced Oct 28, 2026, 11:56 PM EDT

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Showing 25–48 of 151 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Electrocardiogram Clear all
Completed No phase listed Observational

Home Electrocardiogram (ECG) Monitoring After Heart Transplantation

NCT01365806
View directory record Official record
Conditions
Cardiac Transplant Rejection, Qt Interval, Variation in
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
3
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Oct 28, 2026, 11:56 PM EDT
Active, not recruiting No phase listed Observational

An Observational Study Using Artificial Intelligence (AI) Algorithms on Electrocardiography (ECG), Point-of-care Ultrasound (POCUS), and Transthoracic Echocardiophy (TTE) to Estimate the Under-diagnosis of Transthyretin Amyloid Cardiomyopathy (ATTR-CM) Across a Diverse Range of US Health Systems.

NCT07062848
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
AI Toolkit for ATTR-CM Diagnosis
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
50 Years to 95 Years
Enrollment
1,500,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
12
States / cities
San Francisco, California • New Haven, Connecticut • Chicago, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 28, 2026, 11:56 PM EDT
Terminated Not applicable Interventional Results available

Assessment of the Precision of the Sherlock 3CG Tip Positioning System

NCT01275430
View directory record Official record
Conditions
No Specific Conditions Under Study. Primary Focus: Adult Subjects Who Require PICC Placement
Interventions
Sherlock 3CG, Blind Placement
Device · Other
Lead sponsor
C. R. Bard
Industry
Eligibility
21 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 16, 2016 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Effect of Bepirovirsen on Cardiac Conduction as Assessed by 12-lead Electrocardiogram in Healthy Volunteers

NCT06422767
View directory record Official record
Conditions
Hepatitis B
Interventions
Bepirovirsen, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 28, 2026, 11:56 PM 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 28, 2026, 11:56 PM EDT
Completed No phase listed Observational

A Study to Detect Hyperkalemia Using Smartphone-enabled Electrocardiogram (EKG)

NCT05441852
View directory record Official record
Conditions
Hyperkalemia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 89 Years
Enrollment
1,151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Placebo and Moxifloxacin Controlled Cardiac Conduction Study of GSK2140944 in Healthy Volunteers

NCT02257398
View directory record Official record
Conditions
Infections, Respiratory Tract
Interventions
GSK2140944, GSK2140944 placebo, Moxifloxacin, Moxifloxacin placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Oct 28, 2026, 11:56 PM EDT
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 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of GSK1265744 on Cardiac Conduction

NCT02027454
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK1265744, GSK1265744 matching placebo, Moxifloxacin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Oct 28, 2026, 11:56 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

The Efficacy of a Novel, Non-contact EKG in the NICU

NCT04269044
View directory record Official record
Conditions
Electrocardiogram Electrode Site Reaction
Interventions
non-contact EKG
Diagnostic Test
Lead sponsor
Northwestern Medicine
Other
Eligibility
0 Days to 30 Days
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lake Forest, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Electrocardiogram Clinical Validation Study

NCT04842123
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Electrocardiogram
Diagnostic Test
Lead sponsor
Garmin International
Industry
Eligibility
22 Years and older
Enrollment
568 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
6
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Saint Paul, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Oct 28, 2026, 11:56 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

ECG-based AI Screening for Cases of Undiagnosed Moderate-to-Severe Aortic Stenosis in the Primary Care Setting

NCT07827105
View directory record Official record
Conditions
Aortic Stenosis
Interventions
AK-AVS
Device
Lead sponsor
AccurKardia, Inc.
Industry
Eligibility
65 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 28, 2026, 11:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Assessment of Atherosclerosis in Patients With CGD and Other Disorders of the Immune System

NCT01063309
View directory record Official record
Conditions
Atherosclerosis, Chronic Granulomatous Disease (CGD)
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Oct 28, 2026, 11:56 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 28, 2026, 11:56 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 28, 2026, 11:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Magnetic Resonance Imaging of Pediatric Normal Volunteers

NCT00353899
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
8 Years to 21 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Tafenoquine Thorough QTc Study in Healthy Subjects

NCT01928914
View directory record Official record
Conditions
Malaria, Vivax
Interventions
Tafenoquine 300mg, Tafenoquine 600mg, Tafenoquine 1200mg, moxifloxacin, Placebo for Tafenoquine, Placebo for moxifloxaxin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Culver City, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 28, 2026, 11:56 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Surface ECG Mapping

NCT04221958
View directory record Official record
Conditions
Electrocardiogram
Interventions
Electrocardiogram
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of JNJ-54861911 on Electrocardiogram Intervals in Healthy Particiants

NCT02152332
View directory record Official record
Conditions
Healthy
Interventions
JNJ-54861911-Therapeutic Dose, JNJ-54861911 - Supratherapeutic Dose, JNJ-54861911-Matched Placebo, Moxifloxacin, Moxifloxacin Matched Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 28, 2026, 11:56 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 28, 2026, 11:56 PM EDT
Active, not recruiting Not applicable Interventional

Realtime Diagnosis From Electrocardiogram Artificial Intelligence-Guided Screening for Atrial Fibrillation With Long Follow-Up (REGAL)

NCT05923359
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apple Watch
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 28, 2026, 11:56 PM EDT
Recruiting Not applicable Interventional

Umbilical Vessel Catheterization Under ECG Monitoring and Guidance

NCT03898596
View directory record Official record
Conditions
Pediatric ALL
Interventions
ECG
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
1 Day to 45 Days
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 28, 2026, 11:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Therapeutic and Supratherapeutic Oral Doses of GSK3640254 on Cardiac Conduction Compared to Placebo and a Single Oral Dose of Moxifloxacin

NCT04563845
View directory record Official record
Conditions
HIV Infections
Interventions
GSK3640254, Placebo, Moxifloxacin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 28, 2026, 11:56 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring

NCT06892938
View directory record Official record
Conditions
Atrial Fibrillation (AF), Arrhythmias Cardiac, Tachycardia, Palpitations, Bradycardia
Interventions
Atrial Fibrillation Identification
Diagnostic Test
Lead sponsor
Everbeat
Industry
Eligibility
18 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
3
States / cities
La Jolla, California • Baton Rouge, Louisiana • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 28, 2026, 11:56 PM EDT