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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 4 Interventional

Pharmacogenetic Study of Antiarrhythmic Drugs for Atrial Fibrillation

NCT02347111
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Flecainide, Sotalol
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 100 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 3 Interventional

Comparing the Effects of Amiodarone, Sotalol, and Placebo in Maintaining Sinus Rhythm in Patients With Atrial Fibrillation Converted to Sinus Rhythm

NCT00007605
View directory record Official record
Conditions
Atrial Fibrillation, Cerebrovascular Accident, Death, Sudden
Interventions
Amiodarone, Sotalol
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
Not listed
Enrollment
706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
28
States / cities
Tucson, Arizona • No. Little Rock, Arkansas • Fresno, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2011 · Synced Sep 2, 2026, 7:02 AM EDT
Not listed Phase 4 Interventional

Feasibility and Safety of IV Sotalol Administered as a Loading Dose to Initiate Oral Sotalol Therapy

NCT04473807
View directory record Official record
Conditions
Arrhythmias, Cardiac, Atrial Fibrillation
Interventions
Intravenous Sotalol Administered as a Loading Dose to Initiate Oral Sotalol Therapy in Adult Patients with Atrial Fibrillation
Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Ablation vs Drug Therapy for Atrial Fibrillation - Pilot Trial

NCT00578617
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Rate Control, Ablation Therapy, Rhythm control
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
10
States / cities
Birminham, Alabama • Los Angeles, California • Maywood, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Sep 2, 2026, 7:02 AM EDT
Not listed Phase 4 Interventional

Prospective Assessment of Premature Ventricular Contractions Suppression in Cardiomyopathy(PAPS)

NCT03228823
View directory record Official record
Conditions
Ventricular Premature Beats, Contractions, or Systoles, Cardiomyopathies
Interventions
Radiofrequency ablation, Amiodarone (Antiarrhythmic drug)
Procedure · Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Sep 2, 2026, 7:02 AM EDT
Withdrawn Phase 4 Interventional

Catheter Ablation for Recently Diagnosed Paroxysmal Atrial Fibrillation

NCT01505296
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Antiarrhythmic drug, Catheter ablation
Drug · Procedure
Lead sponsor
Valley Health System
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Ridgewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 15, 2014 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 4 Interventional

A Comparison of Antiarrhythmic Drug Therapy and Radio Frequency Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation

NCT00540787
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Radiofrequency ablation, antiarrhythmic drugs, Amiodarone, flecainide, propafenone, quinidine, dofetilide, sotalol, cibenzoline, beta blocking and calcium channel blocking agents and antiarrhythmic drugs, ThermoCool Radiofrequency Catheter
Device · Drug
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
3
States / cities
Birmingham, Alabama • Boston, Massachusetts • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 4 Interventional Results available

Pilot Deprescribing N-of-1 Trials for Beta-blockers in HFpEF

NCT04757584
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Disease
Interventions
Beta blockers
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 2, 2026, 7:02 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Data Analysis for Drug Repurposing for Effective Alzheimer's Medicines (DREAM)- Propranolol/Carvedilol Versus Atenolol/Bisoprolol/Sotalol

NCT05794997
View directory record Official record
Conditions
Hypertension
Interventions
Propranolol or Carvedilol, Atenolol, Bisoprolol or Sotalol
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
817,337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 2, 2026, 7:02 AM EDT
Recruiting Phase 4 Interventional

The PIVATAL Study -Study of Ventricular Arrhythmia (VTA) Ablation in Left Ventricular Assist Device (LVAD) Patients

NCT05034432
View directory record Official record
Conditions
Arrythmia, Cardiomyopathies
Interventions
Intra-Op Prophylactic VT ablation, Conventional Management
Procedure · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
19
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using an iPhone ECG to Monitor the QT Interval on Dofetilide and Sotalol Patients

NCT02241252
View directory record Official record
Conditions
Cardiac Arrhythmia, Qt Interval, Variation in
Interventions
iPhone ECG
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 2, 2026, 7:02 AM EDT
Completed No phase listed Observational

Improvement in Endothelial Dysfunction After Initiation of Anti-arrhythmic Therapy in Atrial Fibrillation Patients

NCT04128878
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Sotalol, Dofetilide
Drug
Lead sponsor
Samir Saba
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 2, 2026, 7:02 AM EDT
Completed No phase listed Observational

Using Smart Phone Technology in Detecting the Presence of Atrial Fibrillation

NCT02214069
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Record and transmit heart rhythm
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 2, 2026, 7:02 AM EDT
Terminated Phase 1 Interventional

Study of the Effects of BMS-919373 on the Electrical Activity of the Heart Using Pacemakers

NCT02153437
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
BMS-919373, Sotalol, Placebo for BMS-919373
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 85 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Sep 2, 2026, 7:02 AM EDT
Terminated Phase 3 Interventional Results available

AV Node Ablation and Pacemaker Therapy Compared to Drug Therapy for Atrial Fibrillation - Pilot Study

NCT00589303
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure
Interventions
FDA approved rate and rhythm control drugs, AV Node ablation and device implant
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
5
States / cities
Scottsdale, Arizona • Evansville, Indiana • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2013 · Synced Sep 2, 2026, 7:02 AM EDT
Terminated Phase 3 Interventional Results available

Continuation of Antiarrhythmics Following Ventricular Tachycardia Catheter Ablation

NCT04208997
View directory record Official record
Conditions
Tachycardia, Ventricular, Catheter Ablation
Interventions
Antiarrhythmic drug
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Sep 2, 2026, 7:02 AM EDT
Withdrawn Phase 4 Interventional

Comparison of Reverse Remodeling and PVI Versus CFAE and/or Linear Lesions and PVI for Persistent AF

NCT01877473
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
Ablation
Procedure
Lead sponsor
Valley Health System
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Ridgewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 3 Interventional

First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Persistent Atrial Fibrillation Treatment (RAAFT-3)

NCT04037397
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Anti Arrhythmics, Pulmonary Vein Isolation performed by Radio Frequency Catheter Ablation
Drug · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
5
States / cities
Tucson, Arizona • The Bronx, New York • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Catheter Ablation vs Anti-arrhythmic Drug Therapy for Atrial Fibrillation Trial

NCT00911508
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Left atrial ablation, Rate or Rhythm Control Therapy
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
2,204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
76
States / cities
Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 66 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Sep 2, 2026, 7:02 AM EDT
Suspended Phase 3 Interventional

High Intensity Focused Ultrasound (HIFU) Ablation System Study

NCT00392106
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
propafenone, flecainide, dofetilide, sotolol, Pulmonary vein ablation, Amiodarone
Drug · Device
Lead sponsor
ProRhythm, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
20
States / cities
Fullerton, California • Los Angeles, California • Atlanta, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2008 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 4 Interventional Results available

Impact of Beta-blockers on Physical Function in HFpEF

NCT04767061
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Disease
Interventions
Beta blockers
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Sep 2, 2026, 7:02 AM EDT
Completed Phase 3 Interventional Results available

A Clinical Study of the Arctic Front Cryoablation Balloon for the Treatment of Paroxysmal Atrial Fibrillation

NCT00523978
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Arctic Front® Cryoablation Catheter, Flecainide or Sotalol or Propafenone
Device · Drug
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years to 75 Years
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
23
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Sep 2, 2026, 7:02 AM EDT
Recruiting Phase 4 Interventional

A Preliminary Study for INFORMED

NCT05585125
View directory record Official record
Conditions
Heart Failure, Heart Failure, Diastolic, Heart Failure With Preserved Ejection Fraction, Cardiac Failure, Heart Diseases
Interventions
Beta blocker
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
65 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 2, 2026, 7:02 AM EDT
Not listed No phase listed Observational

Genetics of QT Prolongation With Antiarrhythmics

NCT02439658
View directory record Official record
Conditions
Long QT Syndrome, Drug Toxicity
Interventions
Dofetilide and/or sotalol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
5
States / cities
Aurora, Colorado • Boston, Massachusetts • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 2, 2026, 7:02 AM EDT