Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 15, 2026, 9:12 PM EDT

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Showing 1–24 of 1,560 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 98 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Atrial Fibrillation
Interventions
Dronedarone
Drug
Lead sponsor
American Heart Association
Other
Eligibility
21 Years and older
Enrollment
339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
103
States / cities
Fairhope, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 78 more
Conditions
Atrial Fibrillation
Interventions
Amiodarone, Minocycline
Drug
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Melrose, Massachusetts
Conditions
Atrial Fibrillation
Interventions
Intravenous caffeine, Masked Placebo
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
21 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
9
States / cities
Loma Linda, California • Overland Park, Kansas • Independence, Missouri + 2 more
Conditions
Atrial Fibrillation
Interventions
DCC first then PVI, PVI then DCC after
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Cardiac Arrest
Interventions
Echocardiography, Electrocardiogram (ECG)
Diagnostic Test
Lead sponsor
Romolo Gaspari
Other
Eligibility
18 Years and older
Enrollment
813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Hartford, Connecticut • Lebanon, New Hampshire • Stony Brook, New York + 3 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
Atrial Fibrillation, Cerebrothromboembolus, Neurocognitive Function
Interventions
Atrial Fibrillation Ablation
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Francisco, California
Conditions
Persistent Atrial Fibrillation
Interventions
Scar-Based Radio-frequency Ablation, Rotor Anchors Radio-frequency Ablation, Conventional PVI by Radio-frequency Ablation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

iCLAS™ for Persistent Atrial Fibrillation

NCT04061603
Conditions
Persistent Atrial Fibrillation
Interventions
Adagio AF Cryoablation System (iCLAS™)
Device
Lead sponsor
Adagio Medical
Industry
Eligibility
18 Years to 80 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
16
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 13 more
Conditions
Atrial Fibrillation
Interventions
AF CARE, Usual Care
Device · Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Conditions
AVB - Atrioventricular Block, Fetal AVB
Interventions
Dexamethasone, IVIG
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
23
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 17 more
Conditions
Heart Block, Bradycardia, Tachycardia, Arrhythmia
Interventions
MP3
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
CRD-4730, Placebo
Drug
Lead sponsor
Cardurion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
5
States / cities
San Francisco, California • Morrisville, North Carolina • Houston, Texas + 2 more
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Completed No phase listed Observational Accepts healthy volunteers Results available

CARTO® 3 System and Real Time Intracardiac Ultrasound

NCT01716663
Conditions
Atrial Fibrillation, Paroxysmal AF
Interventions
Catheter Ablation
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
26
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Santa Barbara, California + 23 more
Conditions
Tachycardia, Congestive Heart Failure
Interventions
Cardiac resynchronization therapy with defibrillation, Implantable Cardioverter Defibrillator (ICD)
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
1,820 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Rochester, New York
Conditions
Atrial Fibrillation
Interventions
Study Watch
Device
Lead sponsor
Verily Life Sciences LLC
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Diego, California
Completed No phase listed Observational Results available

Extracellular Matrix Marker of Arrhythmia Risk (EMMA)

NCT00376532
Conditions
Myocardiopathies, Ischemia, Myocardial, Arrythmia, Death, Sudden, Cardiac
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Atrial Fibrillation
Interventions
Pulmonary Vein Isolation
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Ablation Procedure
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
21
States / cities
Birmingham, Alabama • Mobile, Alabama • Ventura, California + 17 more
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Heart Valve Replacement
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Conditions
Cardiac Pacemaker, Arrythmia, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Sylmar, California
Conditions
Tachycardia, Atrioventricular Nodal Reentry
Interventions
Freezor® Cardiac Cryoablation Catheter CryoConsole System
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
4
States / cities
Minneapolis, Minnesota • Omaha, Nebraska • New York, New York + 1 more