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Showing 1–24 of 139 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Paroxysmal Arrhythmia Clear all
Completed No phase listed Observational Results available

NAVISTAR® THERMOCOOL® SF Catheter: Observational Study

NCT01585961
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal Arrhythmia
Interventions
Catheter Ablation (NAVISTAR® THERMOCOOL® SF Catheter)
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
45
States / cities
Huntsville, Alabama • Anchorage, Alaska • Phoenix, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 5, 2026, 5:25 AM EDT
Recruiting Not applicable Interventional

PREACTIVE: Preconditioning Exercise Intervention to Improve Symptoms and Quality of Life in Comorbid Atrial Fibrillation and HFpEF

NCT07324772
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Fibrillation (Paroxysmal), Persistent Atrial Fibrillation, Heart Failure With Preserved Ejection Fraction (HFPEF)
Interventions
progressive resistance training, combined aerobic + resistance training
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
60 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Phase 2 Interventional

Botulinum Toxin Injection in Epicardial Fat Pads To Treat Atrial Fibrillation After Cardiac Surgery

NCT01842529
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation, Indications for CABG
Interventions
botulinum toxin injection, 0.9% normal saline injection, Implantable loop recorder
Biological · Device
Lead sponsor
Meshalkin Research Institute of Pathology of Circulation
Network
Eligibility
18 Years to 65 Years
Enrollment
60 participants
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 Jan 30, 2014 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Phase 3 Interventional Results available

First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Atrial Fibrillation Treatment (The RAAFT Study)

NCT00392054
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulmonary Vein Isolation performed by Catheter Ablation, Conventional Antiarrhythmic Drug Therapy
Procedure · Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
19 Years to 75 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of VISITAG SURPOINT™ Module With External Processing Unit (EPU)

NCT03624881
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Catheter ablation with EPU
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
41
States / cities
Birmingham, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 34 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 5, 2026, 5:25 AM EDT
Terminated Not applicable Interventional

MultiPulse Therapy (MPT) for AF (US)

NCT05055921
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Multi Pulse Therapy as delivered from the Cardialen External Stimulation System
Device
Lead sponsor
Cardialen, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
2
States / cities
Minneapolis, Minnesota • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Sep 5, 2026, 5:25 AM EDT
Recruiting No phase listed Observational

Real-world Experience of Catheter Ablation for the Treatment of Arrhythmias

NCT04088071
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation, Ventricular Arrhythmia
Interventions
Catheter ablation
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
68
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 61 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

CARTO® 3 System and Real Time Intracardiac Ultrasound

NCT01716663
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal AF
Interventions
Catheter Ablation
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
26
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Santa Barbara, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2014 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

Renal Nerve Denervation in Patients With Hypertension and Paroxysmal and Persistent Atrial Fibrillation

NCT02064764
View directory record Official record
Conditions
Atrial Fibrillation, Hypertension
Interventions
Symplicity Spyral™ Multi-Electrode Renal Denervation Catheter, Arctic Front Advance™ Cardiac Cryoablation System
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
9
States / cities
Sacramento, California • Burlington, Massachusetts • Marquette, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Sep 5, 2026, 5:25 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 5, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

TactiFlex Paroxysmal Atrial Fibrillation IDE Trial

NCT04356040
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
TactiFlex SE, TactiFlex SE - High Standard Power
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 99 Years
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
30
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Phase 3 Interventional

Cryoballoon Ablation of Pulmonary Veins After Failed RF Ablation in Patients With Paroxysmal AF

NCT01611701
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
cryoballoon ablation, Radiofrequency ablation
Procedure
Lead sponsor
Meshalkin Research Institute of Pathology of Circulation
Network
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2012 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

Continued Access Protocol

NCT00889681
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Arctic Front Cardiac Cryoablation System
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years to 75 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • Stanford, California + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Sep 5, 2026, 5:25 AM EDT
Active, not recruiting Phase 4 Interventional

Pragmatic Evaluation of a Pentaspline Pulsed Field Ablation System to Treat Atrial Fibrillation and Related Arrhythmias

NCT06765356
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation, Long-standing Persistent Atrial Fibrillation
Interventions
Farapulse Catheter System, Low-dose Colchicine
Device · Drug
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
9
States / cities
Jonesboro, Arkansas • Ventura, California • Naples, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Not applicable Interventional

The OneFreeze Study

NCT02217254
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Atrial fibrillation catheter ablation using the Medtronic Arctic Front Ablation System
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 5, 2026, 5:25 AM EDT
Active, not recruiting No phase listed Observational

ADVENT Post Approval Study

NCT06431815
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
FARAPULSE™ Pulsed Field Ablation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
25
States / cities
Mobile, Alabama • Scottsdale, Arizona • Oakland, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Completed No phase listed Observational

Occult Paroxysmal Atrial Fibrillation in Patients With Non-cardioembolic Ischemic Stroke of Determined Mechanism

NCT01410396
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 14, 2013 · Synced Sep 5, 2026, 5:25 AM EDT
Recruiting No phase listed Observational

The Long-term Safety and Effectiveness Evaluation of the QDOT MICRO System Use in Conjunction With VISITAG SURPOINT Module for the Treatment of Symptomatic Drug Refractory Paroxysmal Atrial Fibrillation.

NCT06324201
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Ablation Procedure
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
21
States / cities
Birmingham, Alabama • Mobile, Alabama • Ventura, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 5, 2026, 5:25 AM EDT
Not listed Not applicable Interventional

Substrate Versus Trigger Ablation for Paroxysmal Atrial Fibrillation

NCT02169037
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
FIRM Ablation, Conventional AF ablation with PVI
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Palo Alto, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Not applicable Interventional Results available

Navi-Star Thermo-Cool Catheter For Ablation of Atrial Fibrillation

NCT00584415
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
GP ablation + PV isolation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Sep 5, 2026, 5:25 AM EDT
Completed Phase 2 Interventional Results available

A Dose-range Finding Study of MAA868 in Patients With Atrial Fibrillation

NCT04213807
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
MAA868 Cohort 1, MAA868 Cohort 2, MAA868 Cohort 3, Placebo
Biological · Other
Lead sponsor
Anthos Therapeutics, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
6
States / cities
Beverly Hills, California • Wichita, Kansas • Alexandria, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Sep 5, 2026, 5:25 AM EDT
Active, not recruiting Not applicable Interventional

Safety and Effectiveness of the Globe® Pulsed Field System for Treating Patients With Symptomatic Paroxysmal or Persistent Atrial Fibrillation

NCT05462145
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Globe Pulsed Field System
Device
Lead sponsor
Kardium Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
12
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Recruiting No phase listed Observational

Incidence of Long-TeRm Atrial Fibrillation After Acute Illness

NCT07434674
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 5, 2026, 5:25 AM EDT
Recruiting Not applicable Interventional

Esophageal Temperature During PVI Using Q-DOT Micro

NCT06392932
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal
Interventions
QDOT Micro ablation catheter, ST SF ablation catheter
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 5, 2026, 5:25 AM EDT