Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:17 AM EDT

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Showing 1–24 of 306 matching trials from the live ClinicalTrials.gov search.
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Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Corporate Technologies and New Ventures
Industry
Eligibility
40 Years and older
Enrollment
1,023 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Tachycardia, Ventricular
Interventions
CyberHeart System
Device
Lead sponsor
Varian, a Siemens Healthineers Company
Industry
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Austin, Texas
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias

NCT02413450
Conditions
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), Early Repolarization Syndrome (ERS), Arrhythmogenic Cardiomyopathy (AC, ARVD/C), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy), Normal Control Subjects
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Heart Failure, Ventricular Arrhythmias
Interventions
CRT device implant
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
New York, New York • Pittsburgh, Pennsylvania
Conditions
Cardiac Arrest Due to Underlying Cardiac Condition, Ventricular Fibrillation, Cardiopulmonary Arrest With Successful Resuscitation
Interventions
Initial CCL admission, Initial ICU admission
Procedure · Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
21
States / cities
Atlanta, Georgia • Indianapolis, Indiana • Ann Arbor, Michigan + 14 more
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
Atrial Fibrillation
Interventions
Atrial fibrillation ablation
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Heart Failure, Arrhythmias
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Sacramento, California
Conditions
Heart Failure, Nonischemic Cardiomyopathy, Ischemic Cardiomyopathy, Ventricular Arrhythmia, Complications; Device, Cardiac
Interventions
Not listed
Lead sponsor
American College of Cardiology
Other
Eligibility
Not listed
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2030
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Paroxysmal Supraventricular Tachycardia
Interventions
Etripamil, Placebo, Etripamil Test Dose
Drug
Lead sponsor
Milestone Pharmaceuticals Inc.
Other
Eligibility
18 Years and older
Enrollment
1,097 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
54
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Cerritos, California + 44 more
Conditions
Arrhythmogenic Right Ventricular Cardiomyopathy
Interventions
Flecainide Pill, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
6
States / cities
Denver, Colorado • Baltimore, Maryland • New York, New York + 3 more
Conditions
Arrhythmia Prophylaxis, Ventricular Arrhythmia
Interventions
Celivarone, Amiodarone, Matching placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
37
States / cities
Huntsville, Alabama • Mobile, Alabama • Mesa, Arizona + 33 more
Conditions
Ventricular Arrythmia
Interventions
Ablation using Optrell™ mapping catheter
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Hyde Park, New York
Conditions
Atrioventricular Block, Heart Diseases
Interventions
Cardiac Resynchronization Therapy (CRT)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
918 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
51
States / cities
Anchorage, Alaska • Peoria, Arizona • Little Rock, Arkansas + 48 more
Conditions
Ventricular Tachycardia, Sustained, Ventricular Tachycardia, Monomorphic
Interventions
Ultra Low Temperature Ablation (ULTA)
Device
Lead sponsor
Adagio Medical
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
8
States / cities
Phoenix, Arizona • Long Beach, California • Boston, Massachusetts + 5 more
Completed No phase listed Observational

Novel Cardiac Signal Processing System

NCT04112433
Conditions
Cardiac Arrhythmia
Interventions
PURE EP 2
Device
Lead sponsor
BioSig Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
Jacksonville, Florida • Boston, Massachusetts • Austin, Texas
Completed Not applicable Interventional Results available

Electrophysiological Effects of Late PCI After MI

NCT00119847
Conditions
Cardiovascular Diseases, Heart Diseases, Myocardial Infarction, Coronary Disease, Arrhythmia, Ventricular Fibrillation
Interventions
PCI, Optimal Medical Therapy
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Stony Brook, New York
Conditions
Ventricular Tachycardia
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
21 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Results available

Ablation at Virtual-hEart pRedicted Targets for VT

NCT03536052
Conditions
Ventricular Tachycardia, Ischemic Cardiomyopathy
Interventions
Virtual Heart Guided Ablation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Atrial Fibrillation, Supraventricular Arrhythmia, Ventricular Arrhythmias and Cardiac Arrest, Chronic Lymphocytic Leukemia, Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
Interventions
Medtronic LINQ-2 Insertable Cardiac Monitor (ILR)
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
New Hyde Park, New York
Conditions
Ventricular Tachycardia (VT)
Interventions
Antiarrythmic Drug Therapy, Catheter ablation
Drug · Procedure
Lead sponsor
John Sapp
Other
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
2
States / cities
Hartford, Connecticut • Nashville, Tennessee
Conditions
Atrial Fibrillation, Aortic Valve Stenosis
Interventions
WATCHMAN, TAVR
Device
Lead sponsor
samir kapadia
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
32
States / cities
Phoenix, Arizona • Burlingame, California • Santa Barbara, California + 27 more
Active, not recruiting Phase 1Phase 2 Interventional

Gene Therapy for ACM Due to a PKP2 Pathogenic Variant

NCT06109181
Conditions
Arrhythmogenic Cardiomyopathy, PKP2-ACM, PKP2-ARVC
Interventions
LX2020
Genetic
Lead sponsor
Lexeo Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
5
States / cities
Stanford, California • Baltimore, Maryland • Ann Arbor, Michigan + 2 more