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ClinicalTrials.gov public records Last synced Sep 11, 2026, 4:46 PM EDT

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Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Defibrillation Clear all
Completed Not applicable Interventional Results available

Intravenous Magnesium Infusion in Patients Undergoing Cardioversion of Atrial Fibrillation Trial

NCT01597557
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Magnesium Sulfate, Placebo
Drug · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Phase 4 Interventional

Transthoracic Incremental Monophasic Versus Biphasic by Emergency Responders (TIMBER)

NCT00101881
View directory record Official record
Conditions
Cardiac Arrest
Interventions
Defibrillation (biphasic versus monophasic shock)
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 1, 2008 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Phase 3 Interventional

Home Use of Automatic External Defibrillators to Treat Sudden Cardiac Arrest

NCT00047411
View directory record Official record
Conditions
Cardiovascular Diseases, Myocardial Infarction, Heart Diseases, Death, Sudden, Cardiac
Interventions
Cardiopulmonary Resuscitation, Automatic External Defibrillation
Other · Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
7,001 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 9, 2008 · Synced Sep 11, 2026, 4:46 PM EDT
Not yet recruiting Not applicable Interventional

Early Feasibility Study of 3930M Defibrillation Lead Implantation Via the Middle Cardiac Vein in Patients With Tricuspid Valve Regurgitation

NCT07811609
View directory record Official record
Conditions
Defibrillator, Tricuspid Valve Regurgitation
Interventions
Defibrillator
Device
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 11, 2026, 4:46 PM EDT
Completed No phase listed Observational Results available

Multicenter Automatic Defibrillator Implantation Trial With Cardiac Resynchronization Therapy Post Approval Registry

NCT01294449
View directory record Official record
Conditions
Heart Failure
Interventions
MADIT-CRT ICD, MADIT-CRT CRT-D
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 11, 2026, 4:46 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 11, 2023 · Synced Sep 11, 2026, 4:46 PM EDT
Terminated Phase 4 Interventional

The Use of DIOVAN to Reduce Post-Cardioversion Recurrence of Atrial Fibrillation Trial (the DRAFT Trial)

NCT00343499
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
valsartan
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
3
States / cities
Ogden, Utah • Salt Lake City, Utah • St. George, Utah
Source: ClinicalTrials.gov public record
Updated Aug 20, 2008 · Synced Sep 11, 2026, 4:46 PM EDT
Terminated Phase 3 Interventional

Flecainide Acetate Inhalation Solution for Cardioversion of Recent-Onset, Symptomatic Atrial Fibrillation

NCT05039359
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
FlecIH-103
Drug
Lead sponsor
InCarda Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
18
States / cities
Davis, California • Long Beach, California • Bridgeport, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Sep 11, 2026, 4:46 PM EDT
Terminated No phase listed Observational

Risk Factors That Contribute to the Maintenance of Sinus Rhythm

NCT04655443
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Standard Care
Other
Lead sponsor
Danbury Hospital
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Danbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Sep 11, 2026, 4:46 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

MANAGE-VT Registry - MANAGEment of Ventricular Tachycardia Outcomes Registry

NCT06455488
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Ventricular Tachycardia Ablation, ICD Implant, Antiarrhythmic drug, EKG, Cardioversion, Echocardiogram
Procedure · Device · Drug + 1 more
Lead sponsor
CorVita Science Foundation
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional Results available

Clinical Trial Comparing Devices Used for Cardioversion of Atrial Fibrillation

NCT05992623
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Zoll external defibrillator, Lifepak external defibrillator
Device
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 11, 2026, 4:46 PM EDT
Recruiting No phase listed Observational

ASSURE WCD Clinical Evaluation - Post Approval Study (ACE-PAS)

NCT05135403
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Defibrillation
Device
Lead sponsor
Kestra Medical Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,179 participants
Timeline
2021 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Phase 3 Interventional

Ablation of Perimitral Flutter Following Catheter Ablation of Atrial Fibrillation: Impact on Outcomes

NCT01173796
View directory record Official record
Conditions
Atrial Fibrillation, Perimitral Flutter
Interventions
catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2012 · Synced Sep 11, 2026, 4:46 PM EDT
Completed No phase listed Observational

Myocardial Injury Following Elective Direct Current Cardioversion for Atrial Arrhythmias

NCT04151966
View directory record Official record
Conditions
Cardioversion
Interventions
Blood sample collection
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Sep 11, 2026, 4:46 PM EDT
Completed No phase listed Observational

Inflammation as a Predictor in Cardioversion of Atrial Fibrillation

NCT00590525
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cardioversion
Procedure
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 30, 2009 · Synced Sep 11, 2026, 4:46 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Detection of Left Atrial Appendage (LAA) Thrombus: Comparison of Cardiac Magnetic Resonance Imaging and Transesophageal Echocardiogram

NCT00797576
View directory record Official record
Conditions
Left Atrial Appendage Thrombi
Interventions
Not listed
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
Not listed
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 21, 2010 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional

The Efficacy of Single Coil Defibrillation Leads for Internal Cardioversion of Atrial Fibrillation

NCT03164395
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Internal Cardioversion, External Cardioversion
Procedure
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 99 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional

Radiofrequency Catheter Ablation for Chronic Atrial Fibrillation

NCT00272636
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Radiofrequency catheter ablation, Amiodarone and cardioversion
Procedure · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional

Timing of Direct Current Cardioversion (DCC) in Patients Undergoing Ablation of Persistent/Permanent Atrial Fibrillation

NCT02429648
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Sep 11, 2026, 4:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of 50% Tilt and Tuned Waveforms in Single-Coil Active Can Configuration

NCT00874445
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
ICD/ CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional Results available

ENABLE MRI (Magnetic Resonance Imaging)

NCT02652481
View directory record Official record
Conditions
Magnetic Resonance Imaging
Interventions
ImageReady MR Conditional Defibrillation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
34
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Pasadena, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2021 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional Results available

Vest Prevention of Early Sudden Death Trial and VEST Registry

NCT01446965
View directory record Official record
Conditions
Myocardial Infarction, Ventricular Dysfunction, Sudden Death, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
wearable defibrillator
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
2,348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
57
States / cities
Anchorage, Alaska • Fresno, California • Salinas, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 11, 2026, 4:46 PM EDT
Recruiting Not applicable Interventional

Left Atrial Imaging Prior to Cardioversion: Leveraging Computed Tomography to Rule Out Thrombus in The Emergency Department (LA CLOTTED)

NCT07002450
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Flutter
Interventions
Cardiac computed tomography angiography, Standard of care management
Diagnostic Test · Other
Lead sponsor
Ottawa Heart Institute Research Corporation
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 11, 2026, 4:46 PM EDT
Completed Not applicable Interventional Results available

Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation

NCT02111993
View directory record Official record
Conditions
Cardiomyopathy, Heart Failure, Cardiac Arrhythmia
Interventions
Standard Defibrillation Testing, Upper Limit of Vulnerability Testing
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Sep 11, 2026, 4:46 PM EDT