Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 12:33 PM EDT

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Showing 1–24 of 303 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Withdrawn No phase listed Observational Accepts healthy volunteers

Surface ECG Mapping

NCT04221958
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
Conditions
Cardiovascular Diseases, Hypertension, Heart Failure, Atrial Fibrillation, Metabolic Syndrome, Genetic Disease
Interventions
Digital Health Device Diagnostics
Diagnostic Test
Lead sponsor
Scripps Health
Other
Eligibility
18 Years and older
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Morgantown, West Virginia
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

ECG Validation Study

NCT05445726
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
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Cardiac Effects of Danicopan in Healthy Adults

NCT05016206
Conditions
Healthy
Interventions
Danicopan, Moxifloxacin-matching Placebo, Danicopan-matching placebo, Moxifloxacin
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Brain Concussion
Interventions
Concussion
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT00769041
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
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CiPA Phase 1 ECG Biomarker Validation Study

NCT03070470
Conditions
Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
Interventions
Ranolazine, Verapamil, Lopinavir / Ritonavir, Chloroquine, Placebo, Dofetilide and Diltiazem
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Bend, Wisconsin
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation of the Performance of the Electrocardiogram (ECG) Function in the Masimo INVSENSOR00057

NCT06071754
Conditions
Healthy, Atrial Fibrillation
Interventions
Masimo INVSENSOR00057
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
22 Years and older
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Irvine, California • Laguna Hills, California • Greensboro, North Carolina
Conditions
Arrhythmias, Cardiac, Atrial Fibrillation, Atrial Flutter, Bradycardia, Tachycardia
Interventions
Vectorcardiography (VECG)
Device
Lead sponsor
HeartBeam, Inc.
Industry
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Atlanta, Georgia • Tucker, Georgia • New York, New York + 2 more
Completed No phase listed Observational Accepts healthy volunteers

Performance and Accuracy of an AI Enhanced Smart Watch Single Lead ECG

NCT05450809
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
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
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
2,821 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
6
States / cities
Phoenix, Arizona • Jacksonville, Florida • Shreveport, Louisiana + 3 more
Conditions
Opioid Dependence, Methadone Withdrawal Syndrome
Interventions
Lofexidine HCl, Lofexidine-matching sugar pill
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed No phase listed Observational

Radiation Therapy and Cardiac Enzymes

NCT00777751
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
Conditions
Schizophrenia
Interventions
SEP363856 150 mg, Placebo, moxifloxacin 400 mg
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Little Rock, Arkansas • Long Beach, California • Pico Rivera, California + 4 more
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
Conditions
Cardiac CT
Interventions
ECG-Less Cardiac CT using SmartPhase
Device
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Chicago, Illinois • Seattle, Washington
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
Conditions
Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Arrhythmia
Interventions
AliveCor Heart Monitor
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Completed Not applicable Interventional Accepts healthy volunteers

Electrocardiogram Clinical Validation Study

NCT04842123
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
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