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ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:05 PM EDT

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Showing 1–24 of 360 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Electrocardiography Clear all
Completed No phase listed Observational

Smartphone Twelve Lead Electrocardiogram Utility In ST-Elevation Myocardial Infarction

NCT03037229
View directory record Official record
Conditions
STEMI
Interventions
Smartphone ECG, Standard 12-lead ECG
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 7, 2018 · Synced Oct 23, 2026, 12:05 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 23, 2026, 12:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cardiovascular Complications of Sickle Cell Disease

NCT01044901
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
MRI, Transthoracic Echocardiography, tonometry, EKG
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Cardiac Effects of ALXN2050 in Healthy Adults

NCT04660890
View directory record Official record
Conditions
Healthy
Interventions
ALXN2050, ALXN2050-matching Placebo, Moxifloxacin, Moxifloxacin-matching Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 29, 2021 · Synced Oct 23, 2026, 12:05 PM EDT
Active, not recruiting Phase 3 Interventional

Testing the Use of Steroids and Tyrosine Kinase Inhibitors With Blinatumomab or Chemotherapy for Newly Diagnosed BCR-ABL-Positive Acute Lymphoblastic Leukemia in Adults

NCT04530565
View directory record Official record
Conditions
B Acute Lymphoblastic Leukemia With t(9;22)(q34.1;q11.2); BCR-ABL1
Interventions
Biospecimen Collection, Blinatumomab, Bone Marrow Aspiration and Biopsy, Cyclophosphamide, Cytarabine, Dasatinib, Dexamethasone, Doxorubicin Hydrochloride, Echocardiography Test, Electrocardiography, Lumbar Puncture, Mesna, Methotrexate, Multigated Acquisition Scan, Ponatinib Hydrochloride, Prednisone, Vincristine Sulfate
Procedure · Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
207
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fort Smith, Arkansas + 145 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional

Decentralized Trial in Atrial Fibrillation Patients

NCT04471623
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Use of DeTAP App and Home Devices
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
55 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

WIBOFA - Validation of SCT02 With ECG-App for Detection of AF

NCT06351761
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Investigational Device (Withings SCT02) 30 second Electrocardiogram recording, Reference Device (Schiller Cardiovit FT-1) 30 second Electrocardiogram recording
Device
Lead sponsor
Withings
Industry
Eligibility
22 Years and older
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Boca Raton, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional

Screening for Atrial Fibrillation in Native AmeRicans Using iPhone ECG

NCT03740477
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
ECG
Diagnostic Test
Lead sponsor
University of Oklahoma
Other
Eligibility
50 Years to 100 Years
Enrollment
1,019 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 23, 2026, 12:05 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 23, 2026, 12:05 PM EDT
Enrolling by invitation No phase listed Observational

Prospective Evaluation of Artificial Intelligence-enabled Screening for Transthyretin Amyloid Cardiomyopathy (ATTR-CM)

NCT07398950
View directory record Official record
Conditions
ATTR Amyloidosis With Cardiomyopathy, Heart Failure
Interventions
ATTR-CM AI-ECG and AI-Echo Model
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 23, 2026, 12:05 PM EDT
Not listed No phase listed Observational

Hypertrophic Cardiomyopathy Federated Learning Implementation Platform

NCT06461468
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Not listed
Lead sponsor
American Heart Association
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
6
States / cities
Fairhope, Alabama • Kankakee, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional

Determination of Catheter Contact by Evaluation of Microelectrode Near-Field Signals

NCT02080975
View directory record Official record
Conditions
Cardiac Catheter Ablation, Atrial Flutter, Cardiac Arrhythmias
Interventions
Data Collection During Atrial Flutter Ablation
Other
Lead sponsor
David B. De Lurgio
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Oct 23, 2026, 12:05 PM EDT
Completed No phase listed Observational

Cardiovascular Risk Stratification in Covid-19

NCT04555187
View directory record Official record
Conditions
Covid19, Cardiovascular Risk Factor
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
1,355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 23, 2026, 12:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dilated Cardiomyopathy Detection Using AI and Screening With Mobile Technology (DCM-DETECT)

NCT06688396
View directory record Official record
Conditions
Dilated Cardiomyopathy, Heart Failure, Heart Disease
Interventions
Mobile 6L AI-EKG Screening
Device
Lead sponsor
Lancaster General Hospital
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neural Control of Kidney Blood Flow During Exercise in African American Adults

NCT03981640
View directory record Official record
Conditions
Healthy
Interventions
Acute exercise, Cold pressor test, Mental stress test
Other
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
18 Years to 35 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 23, 2026, 12:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of Wearable Digital Sensors After mRNA Vaccination in Adults

NCT05440318
View directory record Official record
Conditions
Healthy Participants
Interventions
Wireless wearable digital devices
Device
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
4
States / cities
Lenexa, Kansas • Lincoln, Nebraska • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 23, 2026, 12:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluate Long Term Cardiovascular and Pulmonary Complications After COVID-19 With Point of Care Ultrasound

NCT04756193
View directory record Official record
Conditions
Covid19, Echocardiography, Ultrasound
Interventions
Point of care ultrasound including echocardiography, lung ultrasound, vascular ultrasound
Diagnostic Test
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Phase 1 Interventional

A Cardiac Safety Study of Tivozanib to Evaluate the Electrocardiogram and Pharmacokinetic-Electrocardiogram Dynamics in Subjects With Advanced Solid Tumors

NCT01210846
View directory record Official record
Conditions
Advanced Solid Tumors
Interventions
tivozanib
Drug
Lead sponsor
AVEO Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
8
States / cities
Scottsdale, Arizona • Fort Myers, Florida • Lafayette, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2011 · Synced Oct 23, 2026, 12:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Intravenous Zanamivir on Cardiac Conduction in Healthy Volunteers

NCT01353729
View directory record Official record
Conditions
Influenza, Human
Interventions
600 mg zanamivir + moxifloxacin placebo, 1200 mg zanamivir + moxifloxacin placebo, zanamivir placebo + moxifloxacin placebo, zanamivir placebo + 400 mg moxifloxacin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 23, 2026, 12:05 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Testing a Wearable Monitor for Fetal Heart Rate Estimation, Fetal Movement and Uterine Activity Detection

NCT04450251
View directory record Official record
Conditions
Pregnancy
Interventions
Data Collection
Other
Lead sponsor
Owlet Baby Care, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 23, 2026, 12:05 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 23, 2026, 12:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Angiography and Electrogram Guided Bachmann Bundle Pacing

NCT07110922
View directory record Official record
Conditions
Heart Diseases
Interventions
Angiography only, Angiography and ECG
Diagnostic Test
Lead sponsor
Pugazhendhi Vijayaraman
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 23, 2026, 12:05 PM EDT
Completed No phase listed Observational

Personalized Risk Identification and Management for Arrhythmias and Heart Failure by ECG and MRI

NCT01353131
View directory record Official record
Conditions
Inpatients and Outpatients With Routine 12-lead ECG
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 23, 2026, 12:05 PM EDT