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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Cardioversion Clear all
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 14, 2015 · Synced Sep 5, 2026, 3:56 AM EDT
Recruiting Not applicable Interventional

Repeat Ablation of Persistent Atrial Fibrillation, Including Mitral Isthmus Catheter Ablation, With the FARAPULSE Pulsed Field Ablation System

NCT06735534
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
FARAPULSE™ Pulsed Field Ablation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
33
States / cities
Mobile, Alabama • Jonesboro, Arkansas • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 5, 2026, 3:56 AM EDT
Active, not recruiting Not applicable Interventional

Assessment of Combined CCM and ICD Device in HFrEF

NCT05855135
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, Implantable Defibrillator User, CCM Therapy, Non-ischemic Cardiomyopathy, Ischemic Cardiomyopathy, Sudden Cardiac Arrest, Arrhythmias, Cardiac, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
OPTIMIZER® Integra CCM-D System (Treatment Arm)
Device
Lead sponsor
Impulse Dynamics
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
59
States / cities
Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 5, 2026, 3:56 AM EDT
Completed Not applicable Interventional

A Randomised Trial of S-ICD Implantation With and Without Defibrillation Testing

NCT03495297
View directory record Official record
Conditions
Ventricular Arrythmia
Interventions
ommitence of defibrillation testing
Procedure
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years and older
Enrollment
965 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
7
States / cities
Orlando, Florida • Atlanta, Georgia • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 5, 2026, 3:56 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 11, 2014 · Synced Sep 5, 2026, 3:56 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 12, 2023 · Synced Sep 5, 2026, 3:56 AM EDT
Completed No phase listed Observational

Myocardial Injury in Patients With Cardiac Implantable Electronic Devices Undergoing Defibrillation Threshold Testing

NCT04284800
View directory record Official record
Conditions
ICD
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 5, 2026, 3:56 AM EDT
Completed Not applicable Interventional Results available

Heart Watch Study: a Pragmatic Randomized Controlled Trial

NCT04468321
View directory record Official record
Conditions
Cardioversion, Atrial Fibrillation
Interventions
Apple Watch, Withings Move
Device
Lead sponsor
Yale University
Other
Eligibility
22 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
New Haven, Connecticut • Rochester, Minnesota • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Sep 5, 2026, 3:56 AM EDT
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 5, 2026, 3:56 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 19, 2019 · Synced Sep 5, 2026, 3:56 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 7, 2012 · Synced Sep 5, 2026, 3:56 AM 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 5, 2026, 3:56 AM 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 5, 2026, 3:56 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 15, 2026 · Synced Sep 5, 2026, 3:56 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 16, 2019 · Synced Sep 5, 2026, 3:56 AM EDT
Completed Phase 4 Interventional Results available

Study Of The Blood Thinner, Apixaban, For Patients Who Have An Abnormal Heart Rhythm (Atrial Fibrillation) And Expected To Have Treatment To Put Them Back Into A Normal Heart Rhythm (Cardioversion)

NCT02100228
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apixaban, Parenteral heparin and/or oral Vitamin K antagonist
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
63
States / cities
Birmingham, Alabama • Avondale, Arizona • Chula Vista, California + 32 more
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Sep 5, 2026, 3:56 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 26, 2017 · Synced Sep 5, 2026, 3:56 AM EDT
Withdrawn Not applicable Interventional

The Effect of Atrial Fibrillation Hemodynamics on Regulation of Cerebral Blood Flow

NCT00745602
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
non-invasive testing
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 5, 2026, 3:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparison of Fixed Tilt and Tuned Waveforms in Right-sided Implants

NCT00873691
View directory record Official record
Conditions
Healthy
Interventions
ICD
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Sep 5, 2026, 3:56 AM EDT
Completed Not applicable Interventional Results available

The Effect of an Azygos Vein Coil on Defibrillation Threshold

NCT00798174
View directory record Official record
Conditions
Heart Failure
Interventions
Standard configuration vs. azygos coil
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Sep 5, 2026, 3:56 AM EDT
Terminated Not applicable Interventional Results available

Combined Amiodarone and Electrical Cardioversion for Postoperative Atrial Fibrillation After Cardiac Surgery

NCT01558128
View directory record Official record
Conditions
Cardiac Disease
Interventions
Amiodarone, Cardioversion
Drug · Procedure
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2017 · Synced Sep 5, 2026, 3:56 AM EDT
Terminated Phase 2 Interventional Results available

The Use of Ranolazine for Atrial Fibrillation and Diastolic Heart Failure

NCT01887353
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Jul 19, 2015 · Synced Sep 5, 2026, 3:56 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 29, 2015 · Synced Sep 5, 2026, 3:56 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 30, 2007 · Synced Sep 5, 2026, 3:56 AM EDT