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ClinicalTrials.gov public records Last synced Oct 24, 2026, 10:52 AM EDT

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Showing 145–168 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: ECG Clear all
Completed No phase listed Observational

The Effect of General Anesthesia on the Risk for Arrhythmia

NCT01174251
View directory record Official record
Conditions
Arrhythmia
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2013 · Synced Oct 24, 2026, 10:52 AM EDT
Completed No phase listed Observational

Comparison of QT Interval Readings Between Smartwatch Combined With Cardiologs Artificial Intelligence and 12-lead ECG

NCT05161065
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cardiologs
Device
Lead sponsor
Cardiologs Technologies
Industry
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Closer Look at Yoga Nidra: Sleep Lab Analyses

NCT03685227
View directory record Official record
Conditions
Electroencephalography, Electrocardiography, Respiratory Rate, Surveys and Questionnaires
Interventions
Yoga Nidra
Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic and Exploratory Electrocardiogram (ECG) Study

NCT01018420
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Colchicine, Moxifloxacin
Drug
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 1, 2009 · Synced Oct 24, 2026, 10:52 AM EDT
Completed No phase listed Observational

Surface ECG Signal Recording for the Implantable Subcutaneous String Defibrillator (ISSD) Detection Algorithm Performance Assessment

NCT03408951
View directory record Official record
Conditions
Tachyarrhythmia, Arrhythmias, Cardiac
Interventions
Recording
Other
Lead sponsor
NewPace Ltd
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementation of Practice Standards for ECG Monitoring

NCT01269736
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Education
Behavioral
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
92,057 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
14
States / cities
Long Beach, California • San Francisco, California • New Haven, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 24, 2026, 10:52 AM 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 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

ECG App Algorithms Clinical Validation Study

NCT04247581
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
1-lead ECG
Device
Lead sponsor
Apple Inc.
Industry
Eligibility
22 Years and older
Enrollment
546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
4
States / cities
Phoenix, Arizona • Coral Gables, Florida • Avon, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

BiOSENCY BORA Band SpO2 Validation Study

NCT03918018
View directory record Official record
Conditions
Hypoxia
Interventions
BORA Band SpO2 Validation Study
Device
Lead sponsor
Biosency
Industry
Eligibility
18 Years to 50 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 Apr 17, 2019 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety Evaluation of ECG Intervals and Blood Pressure in Normal Healthy Volunteers After Use of Nebivolol, Atenolol, Moxifloxacin, or Placebo

NCT00158093
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol, Atenolol, Moxifloxacin
Drug
Lead sponsor
Mylan Bertek Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 12, 2005 · Synced Oct 24, 2026, 10:52 AM EDT
Completed No phase listed Observational

Remotely Monitoring Patients With Chronic Conditions in Their Home

NCT03207802
View directory record Official record
Conditions
CHF
Interventions
Discontinuation of using device
Device
Lead sponsor
Baxter Healthcare Corporation
Industry
Eligibility
22 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Texarkana, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 24, 2026, 10:52 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of ECG Transmission and AI Models Using Apple Watch ECGs and Symptoms Data Collected Using a Mayo iPhone App

NCT05324566
View directory record Official record
Conditions
Heart Failure, Arrhythmias, Cardiac, Health Care Utilization
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4,163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional

ECG Belt vs. Echocardiographic Optimization of CRT

NCT03305692
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Optimization of CRT Device
Diagnostic Test
Lead sponsor
Alan J. Bank, MD
Other
Eligibility
18 Years to 110 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 24, 2026, 10:52 AM EDT
Completed No phase listed Observational

Evaluating the Efficacy and Feasibility of a Novel Wireless ECG Recording System in Monitoring Patients After Atrial Fibrillation Ablation Procedure

NCT01912911
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Results available

Time to Accurate Heart Rate on Neonatal Outcomes

NCT04587934
View directory record Official record
Conditions
Premature Infant, Extremely Low Birth Weight, Extreme Prematurity
Interventions
iRes Warmer with ResusView, iRes Warmer without ResusView
Device · Other
Lead sponsor
Sharp HealthCare
Other
Eligibility
23 Weeks to 32 Weeks
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Oct 24, 2026, 10:52 AM 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 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional

Artificial Intelligence Enhanced ECG to Detect Cardiac Amyloidosis

NCT05557162
View directory record Official record
Conditions
Cardiac Amyloidosis
Interventions
AI ECG Amyloid algorithm
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20,143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Define the ECG Effects of Tizanidine Compared to Placebo and the Positive Control, Moxifloxacin, in Healthy Men and Women Using a Blinded ECG Evaluator: A Thorough ECG Trial

NCT01839279
View directory record Official record
Conditions
Spasticity
Interventions
Tizanidine, Placebo, Moxifloxacin
Drug
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
18 Years to 45 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Oct 24, 2026, 10:52 AM 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 24, 2026, 10:52 AM 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 24, 2026, 10:52 AM EDT
Completed No phase listed Observational

Radiation Therapy and Cardiac Enzymes

NCT00777751
View directory record Official record
Conditions
Tumor
Interventions
Not listed
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 10, 2018 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Energy Drink Consumption on ECG and Hemodynamic Parameters in Young Healthy Volunteers

NCT02023723
View directory record Official record
Conditions
Hemodynamic Effects of Energy Drink, Electrocardiograph Effects of Energy Drinks
Interventions
Energy Drink, Active Control
Dietary Supplement
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2020 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Results available

REcovery of Left Ventricular Dysfunction in CAncer Patients (RECAP Trial)

NCT02543294
View directory record Official record
Conditions
Heart Failure, Cancer Treatment Induced Left Ventricular Dysfunction
Interventions
Echocardiograms, Electrocardiogram, Symptom Questionnaire, Telephone Follow-Up
Device · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 24, 2026, 10:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using an iPhone ECG to Monitor the QT Interval on Dofetilide and Sotalol Patients

NCT02241252
View directory record Official record
Conditions
Cardiac Arrhythmia, Qt Interval, Variation in
Interventions
iPhone ECG
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 24, 2026, 10:52 AM EDT