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ClinicalTrials.gov public records Last synced Oct 22, 2026, 12:55 AM EDT

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Showing 25–48 of 67 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cardioversion Clear all
Active, not recruiting Phase 2 Interventional

A Study of IV HBI-3000 for the Conversion Recent Onset Atrial Fibrillation (AF)

NCT04680026
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
HBI-3000, Placebo
Drug
Lead sponsor
HUYABIO International, LLC.
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Naples, Florida • Springfield, Illinois • Tupelo, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 22, 2026, 12:55 AM EDT
Not listed Not applicable Interventional

Single vs. Dual-DCCV in Obese Patients

NCT04539158
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Direct Current Cardioversion
Device
Lead sponsor
Dr. Daniel P Morin, MD MPH FHRS
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
Gretna, Louisiana • New Orleans, Louisiana • Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 4 Interventional

Assessment of Cardioversion Using Transesophageal Echocardiography II (ACUTE II)

NCT00289042
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Enoxaparin
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2007 · Synced Oct 22, 2026, 12:55 AM 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 21, 2008 · Synced Oct 22, 2026, 12:55 AM EDT
Not listed Not applicable Interventional

Right Ventricular Defibrillation Lead Select Site Study

NCT00385749
View directory record Official record
Conditions
Heart Failure, Congestive, Tachycardia, Ventricular
Interventions
RV apical vs RV septal defibrillation threshold testing
Device
Lead sponsor
Associates in Cardiology, PA
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2007 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 4 Interventional Results available

POWER (Pulse Width Optimized Waveform Evaluation Trial)

NCT00311181
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Birmingham, Alabama • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 22, 2026, 12:55 AM EDT
Terminated Phase 3 Interventional Results available

Ranolazine for the Prevention of Atrial Fibrillation After Electrical Cardioversion

NCT01349491
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ranolazine, Matching placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 2Phase 3 Interventional

Comparison of Medical Therapy, Pacing and Defibrillation in Heart Failure

NCT00180258
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Cardiac Resynchronization Therapy with & without defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2007 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 2 Interventional Results available

Genetically Targeted Therapy for the Prevention of Symptomatic Atrial Fibrillation in Patients With Heart Failure

NCT01970501
View directory record Official record
Conditions
Current or Recent History of Atrial Fibrillation
Interventions
bucindolol hydrochloride, metoprolol succinate, Placebo oral capsule
Drug · Other
Lead sponsor
ARCA Biopharma, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
48
States / cities
Anchorage, Alaska • Phoenix, Arizona • East Palo Alto, California + 43 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Oct 22, 2026, 12:55 AM 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 22, 2019 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 3 Interventional Results available

Explore the Efficacy and Safety of Once-daily Oral Rivaroxaban for the Prevention of Cardiovascular Events in Subjects With Nonvalvular Atrial Fibrillation Scheduled for Cardioversion

NCT01674647
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonist (VKA)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
66
States / cities
Mobile, Alabama • Scottsdale, Arizona • East Palo Alto, California + 58 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 22, 2026, 12:55 AM 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 22, 2010 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Not applicable Interventional

Acute Study to Collect Electrical Signals From the Heart Using a Special Lead

NCT02772380
View directory record Official record
Conditions
Tachycardia, Ventricular Arrhythmias
Interventions
Defibrillation following induction of VT/VF
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
14
States / cities
Scottsdale, Arizona • Hartford, Connecticut • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Oct 22, 2026, 12:55 AM 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 9, 2026 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 2 Interventional

Double Blind Placebo COntrolled Dose Ranging studY of the eFficacy and safEty of SSR149744c 300 or 600 mg for the Conversion of Atrial Fibrillation / fluttEr

NCT00232310
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
CELIVARONE (SSR149744C)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 22, 2026, 12:55 AM EDT
Completed No phase listed Observational

QT Variability Pre and Post Cardioversion

NCT00885391
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 2Phase 3 Interventional

Safety and Effectiveness of Cardiac Resynchronization Therapy With Defibrillation

NCT00387803
View directory record Official record
Conditions
Heart Failure, Congestive, Ventricular Fibrillation, Tachycardia, Ventricular
Interventions
Cardiac Resynchronization Therapy with Defibrillation
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
581 participants
Timeline
1998 – 2001
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2007 · Synced Oct 22, 2026, 12:55 AM EDT
Not listed Phase 4 Interventional

Rapid Atrial Fibrillation Treatment Strategy

NCT04092621
View directory record Official record
Conditions
New Onset Atrial Fibrillation, Sepsis, Respiratory Failure
Interventions
Amiodarone in Parenteral Dosage Form, Amiodarone Pill, Direct Current Cardioversion (DCC), Rate-control therapy
Drug · Procedure
Lead sponsor
Our Lady of the Lake Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Oct 22, 2026, 12:55 AM EDT
Completed No phase listed Observational

Atrial Electromechanical Interval and Pulse Wave Velocity in the Prediction of Recurrence of Atrial Fibrillation

NCT00818012
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Creighton University
Other
Eligibility
19 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Oct 22, 2026, 12:55 AM EDT
Active, not recruiting Not applicable Interventional

RACE-CARS - RAndomized Cluster Evaluation of Cardiac ARrest Systems

NCT04660526
View directory record Official record
Conditions
Cardiac Arrest
Interventions
Rapid cardiac arrest recognition that triggers immediate priority EMS/first responder dispatch by 911 operators, Systematic bystander resuscitation instruction by 911 operators, Comprehensive community training of lay people in CPR and AED use., Optimized first responder performance including earlier use of AEDs.
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 22, 2026, 12:55 AM 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 10, 2017 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Bolus Dosing of Methohexital and Propofol in Elective Direct Current Cardioversion

NCT04187196
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Propofol, Methohexital
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 22, 2026, 12:55 AM EDT
Completed Not applicable Interventional

Time to Defibrillation Using Automated External Defibrillators by Pediatric Residents in Simulated Cardiac Arrests

NCT00640354
View directory record Official record
Conditions
Pediatric Residents
Interventions
Automated external defibrillator, Manual defibrillator
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Oct 22, 2026, 12:55 AM EDT
Completed No phase listed Observational Results available

Precise Measurement of Pediatric Defibrillation Thresholds

NCT01043562
View directory record Official record
Conditions
Pediatrics, Defibrillators, Implantable
Interventions
Defibrillator threshold testing, Observation of post-shock intrinsic cardiac rhythm
Diagnostic Test · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 22, 2026, 12:55 AM EDT