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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:49 PM EDT

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Showing 481–504 of 700 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: ECG Clear all
Recruiting No phase listed Observational

Surveillance Trial of the Apple Watch in Reliable Burden Assessment in Unseen Recurrence of Surgically Treated AF

NCT07122947
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apple Watch: AFib History, Zio Patch
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
22 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
St Louis, Missouri • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Terminated Not applicable Interventional Results available

Surveillance Monitoring as an Alternative to Telemetry

NCT03039738
View directory record Official record
Conditions
Telemetry, Patient Monitoring
Interventions
Vital Sync IM & VPMP (Surveillance Monitoring), Telemetry Monitoring
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced Oct 18, 2026, 5:49 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 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Validation of the AliveCor Kardia 12L and 6L Devices

NCT05053243
View directory record Official record
Conditions
Arrhythmia
Interventions
Kardia 12L
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 18, 2026, 5:49 PM EDT
Not listed Not applicable Interventional

Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients

NCT04083690
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Reprogramming of CRT Device Settings to Optimal Electrical Synchrony
Device
Lead sponsor
Allina Health System
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Oct 18, 2026, 5:49 PM EDT
Not listed No phase listed Observational

EKG Criteria and Identification of Acute Coronary Occlusion

NCT03863327
View directory record Official record
Conditions
Acute Coronary Syndrome, STEMI, STEMI - ST Elevation Myocardial Infarction, Acute Coronary Artery Thrombosis (Diagnosis), NSTEMI - Non-ST Segment Elevation MI, Non-ST Elevation Myocardial Infarction, Non ST Segment Elevation Myocardial Infarction, Non ST Segment Elevation Acute Coronary Syndrome, Non-ST Elevation Myocardial Infarction (nSTEMI), Non STEMI
Interventions
No intervention
Other
Lead sponsor
Stony Brook University
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Oct 18, 2026, 5:49 PM EDT
Withdrawn No phase listed Observational

Verily Watch Cardio (AF and ECG) Study

NCT06041373
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Verily Watch Cardio, iRhythm Zio monitor, Schiller CARDIOVIT FT-1
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
22 Years and older
Timeline
2023 – 2024
U.S. locations
3
States / cities
Lakewood, Colorado • Southfield, Michigan • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 22, 2023 · Synced Oct 18, 2026, 5:49 PM EDT
Completed No phase listed Observational

Diagnostic Value and Safety of Flecainide Infusion Test in Brugada Syndrome

NCT02302274
View directory record Official record
Conditions
Brugada Syndrome, Arrhythmogenic Right Ventricular Cardiomyopathy
Interventions
flecainide iv
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 18, 2026, 5:49 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Autonomic Nervous System Function - Hypertension

NCT05312996
View directory record Official record
Conditions
Hypertension
Interventions
Heart Rate Variability, Galvanic Skin Response (Biopac)
Other
Lead sponsor
Life University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional Results available

mHealth Screening to Prevent Strokes

NCT02506244
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
iRhythm ZIO XT Patch, Wristband by Amiigo
Device
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
55 Years and older
Enrollment
6,135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Electrophysiological Effects of Potential QT Prolonging Drugs

NCT05716854
View directory record Official record
Conditions
Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
Interventions
Clarithromycin, Pimozide, Placebo (Part 1), Moxifloxacin, Cobicistat, Moxifloxacin and Cobicistat, Placebo (Part 2)
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 18, 2026, 5:49 PM EDT
Recruiting Not applicable Interventional

Feasibility and Efficacy Study of the CardioPulmonary Management (CPM) System in Patients With Chronic Heart Failure

NCT05650541
View directory record Official record
Conditions
Heart Failure
Interventions
CardioPumlonary Management System
Device
Lead sponsor
Analog Device, Inc.
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
7
States / cities
Palm Springs, California • Miami, Florida • Orlando, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of Immunotherapy Combination BN-Brachyury Vaccine, M7824, N-803 and Epacadostat (QuEST1)

NCT03493945
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer, Prostate Cancer, Prostate Neoplasm, Advanced Solid Tumor, Solid Tumor, Non-metastatic Castration-resistant Prostate Cancer
Interventions
M7824, N-803, MVA-BN-Brachyury, FPV-Brachyury, Epacadostat, Acetaminophen, Ibuprofen, Naproxen, Benadryl, EKG, Bone scan, CT chest, abdomen and pelvis, MRI
Biological · Drug · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional

Continuous Cardiorespiratory Monitoring in Cystic Fibrosis

NCT04489186
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Wearable device
Device
Lead sponsor
Byteflies
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 18, 2026, 5:49 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Study of Disrupted Sleep in Somali Americans

NCT05411029
View directory record Official record
Conditions
Hypertension, Sleep Disorder, Healthy
Interventions
24 hour blood pressure (BP) monitoring, Polysomnography
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional

Better Outcomes for Anticoagulation Treatment Through Observation of Atrial Rhythm

NCT03515083
View directory record Official record
Conditions
Non-valvular Atrial Fibrillation
Interventions
Alive Cor Kardia mobile electrocardiogram monitor
Device
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Electrocardiogram Study to Evaluate the Effect of Vanzacaftor on the QT/QTc Interval in Healthy Participants

NCT05867147
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Vanzacaftor, Vanzacaftor Placebo, Moxifloxacin, Moxifloxacin Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Phase 2 Interventional Results available

Risperidone for the Treatment of Huntington's Disease Involuntary Movements

NCT04201834
View directory record Official record
Conditions
Huntington Disease, Chorea
Interventions
Risperidone, BioStamp nPoint device
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Intrepid Clinical Engineering Study

NCT05636332
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
12 lead Electrocardiogram
Diagnostic Test
Lead sponsor
Heartstream US LLC
Industry
Eligibility
29 Days to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lehigh Acres, Florida
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Kidney Blood Flow During Exercise in Older African American Adults

NCT07029165
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
55 Years to 79 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Phase 1 Interventional Results available

Automatic External Defibrillation Monitoring in Cardiac Arrest

NCT00382928
View directory record Official record
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Ventricular
Interventions
Defibrillation of pulseless VT/VF by AECD
Device
Lead sponsor
Foundation for Atlanta Veterans Education and Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Oct 18, 2026, 5:49 PM EDT
Recruiting No phase listed Observational

Pivotal Study for the Cardiac Performance System (CPS)

NCT06870591
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Cardiac Performance System (CPS)
Device
Lead sponsor
Sensydia Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Timeline
2025 – 2026
U.S. locations
10
States / cities
Huntsville, Alabama • Evanston, Illinois • Hackensack, New Jersey + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 18, 2026, 5:49 PM EDT
Terminated No phase listed Observational

The CardiOvascular Remodeling Following Endovascular Aortic Repair (CORE) Study

NCT02735720
View directory record Official record
Conditions
Thoracic Aortic Aneurysm
Interventions
TEVAR, Non-TEVAR medical treatment
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 18, 2026, 5:49 PM EDT
Completed Not applicable Interventional Results available

Benefits of Microcor in Ambulatory Decompensated Heart Failure

NCT04096040
View directory record Official record
Conditions
Heart Failure
Interventions
μCor
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
21 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
67
States / cities
Sheffield, Alabama • El Cajon, California • Inglewood, California + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 18, 2026, 5:49 PM EDT