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ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:05 PM EDT

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Showing 1–24 of 350 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Atrial Fibrillation Ablation Clear all
Active, not 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 Sep 24, 2026 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Randomized Evaluation of Redo Ablation Procedures of Atrial Fibrillation With FIRM Guided Procedures

NCT02799043
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation
Interventions
Standard PVI, FIRM-Guided Procedure and PVI
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 80 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
12
States / cities
Phoenix, Arizona • Ventura, California • Fort Lauderdale, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 19, 2026, 5:05 PM EDT
Completed No phase listed Observational

Implantable Loop Recorders in Post-atrial Fibrillation (AF) Ablation: RPAF-A

NCT01061125
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
TTM and Holter monitor
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 10, 2017 · Synced Oct 19, 2026, 5:05 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular Innovation & Research Institute 's NEXUS Registry, the Whole is Greater Than the Parts.

NCT03428048
View directory record Official record
Conditions
Coronary Artery Disease, Atrial Fibrillation (AF)
Interventions
Hybrid procedure, Endocardial ablations, left atrial appendage occlusion
Procedure
Lead sponsor
Cardiovascular Innovation and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
1
States / cities
Glenwood Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Oct 19, 2026, 5:05 PM EDT
Terminated Not applicable Interventional

Posterior Wall Substrate Modification Using Irreversible Electroporation for Paroxysmal Atrial Fibrillation

NCT06364215
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal
Interventions
Farapulse PFA, Pulmonary Vein Isolation alone, Farapulse PFA, Pulmonary Vein Isolation and Left atrial Posterior Wall Isolation
Device
Lead sponsor
Jorge Romero
Other
Eligibility
21 Years to 90 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
18
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 19, 2026, 5:05 PM EDT
Not listed No phase listed Observational

Persistent Atrial Fibrillation Cryoballoon Ablation

NCT02166723
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
cryoballoon ablation
Device
Lead sponsor
Staten Island University Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2014 · Synced Oct 19, 2026, 5:05 PM EDT
Withdrawn Phase 4 Interventional

Atrial Fibrillation Ablation Device Comparison Study

NCT00466973
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dry bipolar radiofrequency (RF) clamp, Unipolar microwave antenna, Unipolar cryothermic probe, Irrigated unipolar RF antenna, Irrigated bipolar RF clamp, Hi-intensity focused ultrasound wand
Device
Lead sponsor
Maimonides Medical Center
Other
Eligibility
19 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

A Prospective Single Arm Open Label Study of the FARAPULSE Pulsed Field Ablation System in Subjects With Persistent Atrial Fibrillation

NCT05443594
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
Phase 1: FARAPULSE Ablation System, Phase 2: FARAPULSE Ablation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
669 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 32 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Phase 3 Interventional

Impact Of Different Ablation Approaches on Outcome In Coexistent Atrial Fibrillation and Flutter

NCT01439386
View directory record Official record
Conditions
Atrial Arrhythmia, Quality of Life
Interventions
Catheter ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2017 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Phase 4 Interventional Results available

Use of Dapagliflozin to Reduce Burden of Atrial Fibrillation in Patients Undergoing Catheter Ablation of Symptomatic Atrial Fibrillation

NCT04792190
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
dapagliflozin, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Portland, Maine • Detroit, Michigan • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 19, 2026, 5:05 PM EDT
Active, not recruiting Not applicable Interventional

A Global Study Comparing Pulsed Field Ablation With Electrographic Flow Mapping Versus Posterior Wall Ablation for Persistent Atrial Fibrillation

NCT07187115
View directory record Official record
Conditions
Atrial Fibrillation (AF), Persistant Atrial Fibrillation
Interventions
FARAPOINT Pulsed Field Ablation System, OptiMap System (non-ablative), FARAPULSE Pulsed Field Ablation (PFA) System and Opal HDx Mapping System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
699 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
11
States / cities
Jonesboro, Arkansas • Santa Monica, California • Athens, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Phase 4 Interventional

Bipolar Radiofrequency Ablation -Role in Prevention of Postoperative Atrial Fibrillation

NCT00765089
View directory record Official record
Conditions
Postoperative Atrial Fibrillation
Interventions
Isolation of pulmonary veins with Bipolar radiofrequency ablation
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 90 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2016 · Synced Oct 19, 2026, 5:05 PM EDT
Completed No phase listed Observational

Efficacy Study for Surgery After Previous Failed Catheter Ablation

NCT01034852
View directory record Official record
Conditions
Atrial Fibrillation Ablation
Interventions
Totally Thoracoscopic Maze
Procedure
Lead sponsor
Cardiopulmonary Research Science and Technology Institute
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Springfield, Oregon • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Phase 2 Interventional Results available

Clinical Study of the CardioFocus Endoscopic Ablation System - Adaptive Contact (EAS-AC) for the Treatment of Symptomatic Atrial Fibrillation

NCT00971204
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
CardioFocus HeartLight Endoscopic Ablation System
Device
Lead sponsor
CardioFocus
Industry
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
10
States / cities
Birmingham, Alabama • Santa Monica, California • Royal Oak, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2016 · Synced Oct 19, 2026, 5:05 PM 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 28, 2025 · Synced Oct 19, 2026, 5:05 PM EDT
Recruiting Not applicable Interventional

ARIADNE Clinical Trial

NCT06747091
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
Catheter Ablation
Procedure
Lead sponsor
Stavros E Mountantonakis
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Manhasset, New York • New Hyde Park, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

A Study of the Effectiveness of Anti-Arrhythmic Medications After Atrial Fibrillation Ablation

NCT00408200
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
propafenone; flecainide; sotalol; dofetilide, Radiofrequency catheter ablation
Drug · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional

A Trial of High Power-Short Duration Versus Standard Power-Long Duration Radiofrequency Ablation for Treatment of Atrial Fibrillation

NCT04148664
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation Paroxysmal, Atrial Fibrillation, Persistent
Interventions
Catheter ablation with Standard RF ablation settings, Catheter ablation with High Power Short Duration RF ablation settings
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 19, 2026, 5:05 PM EDT
Withdrawn No phase listed Observational

Catheter Ablation for Atrial Fibrillation and Heart Failure

NCT01082601
View directory record Official record
Conditions
Congestive Heart Failure, Atrial Fibrillation, Arrhythmia
Interventions
Pulmonary Vein Isolation (PVI)
Procedure
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Ridgewood, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 17, 2012 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional

Comparison of Recurrence of Atrial Fibrillation Post Cryoballon Ablation During the 90-day Blanking Period-with and Without Anti-arrhythmic Drug Therapy

NCT02913014
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
No AAD post Ablation.
Other
Lead sponsor
Prisma Health-Midlands
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Not applicable Interventional Results available

Mapping Electrogram Morphology Recurrence for Atrial Fibrillation Ablation

NCT03082963
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Electrogram Morphology Mapping (EMR)
Device
Lead sponsor
Jeffrey Goldberger
Other
Eligibility
21 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Oct 19, 2026, 5:05 PM EDT
Active, not recruiting Not applicable Interventional

ULTRA-HFIB-Redo: Ultrasound-based Renal Sympathetic Denervation vs Control in Redo Ablation Patients

NCT05988411
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Renal Denervation, Catheter Ablation
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
Jonesboro, Arkansas • San Francisco, California • Thousand Oaks, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 19, 2026, 5:05 PM EDT
Terminated No phase listed Observational Results available

MediGuide Registry

NCT02470312
View directory record Official record
Conditions
Heart Failure, Cardiac Arrhythmia
Interventions
CRT implantation, MediGuide, EP
Procedure · Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
578 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
6
States / cities
Phoenix, Arizona • Athens, Georgia • Lawrenceville, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 19, 2026, 5:05 PM EDT
Completed Phase 3 Interventional Results available

Vein of Marshall Ethanol Infusion for Persistent Atrial Fibrillation

NCT01898221
View directory record Official record
Conditions
Ventricular Tachycardia, Atrial Fibrillation
Interventions
Ethanol, Ablation
Drug · Procedure
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years to 85 Years
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Oct 19, 2026, 5:05 PM EDT