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Showing 1–24 of 139 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Arrhythmias Paroxysmal Clear all
Completed Not applicable Interventional

A Study of the TactiFlex SE Catheter and Volt PFA Generator in Subjects With PAF:

NCT06676072
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Arrhythmia, Paroxysmal AF, Drug Refractory Paroxysmal Atrial Fibrillation
Interventions
PFA Ablation catheter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
29
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Stanford, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 24, 2026, 3:53 PM EDT
Recruiting Not applicable Interventional

Safety and Effectiveness of Pulmonary Vein isOLation And posterioR Wall Ablation wIth pulSed Field Energy in Patients With Paroxysmal and Persistent AF

NCT06099730
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulsed Field Ablation (PFA)
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
6
States / cities
Jonesboro, Arkansas • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 24, 2026, 3:53 PM EDT
Completed Not applicable Interventional

Low-Level EMF Stimulation for Paroxysmal Atrial Fibrillation

NCT03593486
View directory record Official record
Conditions
Atrial Fibrillation, Catheter Ablation, Autonomic Imbalance
Interventions
Low-level Pulsed EMF, Sham Stimulation
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 19, 2019 · Synced Jul 24, 2026, 3:53 PM EDT
Not listed Not applicable Interventional

Pulmonary Vein Antrum Isolation (PVAI) Plus Scar Homogenization and Non-PV Triggers Ensure Long-term Recurrence-free Survival in Non-paroxysmal Atrial Fibrillation

NCT01672138
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Long-standing Persistent Atrial Fibrillation
Interventions
Pulmonary Vein Antrum Isolation, scar homogenization, Non-PV triggers ablation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Jul 24, 2026, 3:53 PM 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 Jul 24, 2026, 3:53 PM EDT
Recruiting Not applicable Interventional

Low Voltage-Directed Catheter Ablation for Atrial Fibrillation

NCT03355456
View directory record Official record
Conditions
Atrial Fibrillation - Symptomatic
Interventions
Radiofrequency ablation
Procedure
Lead sponsor
Ohad Ziv
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 9, 2024 · Synced Jul 24, 2026, 3:53 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study of an Antiarrhythmic Drug to Treat Atrial Fibrillation in Patients With Pacemakers

NCT00389792
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
ATI-2042, ATI-2042 200 mg
Drug
Lead sponsor
ARYx Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
27
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2009 · Synced Jul 24, 2026, 3:53 PM EDT
Completed Not applicable Interventional Results available

Individualized Studies of Triggers of Paroxysmal Atrial Fibrillation

NCT03323099
View directory record Official record
Conditions
Atrial Fibrillation Paroxysmal
Interventions
N-of-1, Data Tracking
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
499 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Jul 24, 2026, 3:53 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 27, 2025 · Synced Jul 24, 2026, 3:53 PM EDT
Completed Not applicable Interventional

Evaluation of Conventional Ablation With or Without Focal Impulse and Rotor Modulation to Eliminate Human AF

NCT02456233
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Conventional AF Ablation with PVI, FIRM-guided ablation plus PVI
Procedure
Lead sponsor
Stanford University
Other
Eligibility
22 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
2
States / cities
San Diego, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Jul 24, 2026, 3:53 PM 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 Jul 24, 2026, 3:53 PM 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 Jul 24, 2026, 3:53 PM EDT
Completed No phase listed Observational

The Role of Cardiac Biomarkers in Prediction of Outcome in Atrial Fibrillation Patients Undergoing Catheter Ablation

NCT01148914
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Inflammatory biomarkers
Other
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced Jul 24, 2026, 3:53 PM EDT
Completed Not applicable Interventional Results available

Sustained Treatment of Paroxysmal Atrial Fibrillation Post-Approval Study (STOP AF PAS)

NCT01456949
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation (PAF)
Interventions
Medtronic Arctic Front® Cardiac CryoAblation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
32
States / cities
Anchorage, Alaska • Phoenix, Arizona • San Jose, California + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Jul 24, 2026, 3:53 PM 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 Jul 24, 2026, 3:53 PM EDT
Recruiting No phase listed Observational

REPRESENT-PF Registry

NCT07535268
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Paroxysmal Atrial Fibrillation
Interventions
FARAWAVE Pulsed Field Ablation Catheter
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
New York, New York • Winchester, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Jul 24, 2026, 3:53 PM EDT
Terminated Not applicable Interventional

Safety and Efficacy Study of the Combined Ablation Procedure to Treat Paroxysmal Atrial Fibrillation

NCT01103674
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Numeris®-AF Guided Coagulation System with VisiTrax®
Device
Lead sponsor
nContact Surgical Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Memphis, Tennessee • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Jul 24, 2026, 3:53 PM EDT
Terminated Phase 3 Interventional Results available

Study of HD Mesh Ablation System for Treatment of Paroxysmal Atrial Fibrillation

NCT00741611
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
HD Mesh Ablation System, Anti-arrhythmic drugs
Device · Drug
Lead sponsor
C. R. Bard
Industry
Eligibility
21 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
San Diego, California • Aurora, Colorado • Gainesville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Jul 24, 2026, 3:53 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 14, 2026 · Synced Jul 24, 2026, 3:53 PM 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 Jul 24, 2026, 3:53 PM EDT
Enrolling by invitation No phase listed Observational

A Registry Based Collaborative to Measure Efficiency, Effectiveness, and Safety of Farapulse PFA Technology for AF

NCT06335082
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulsed Field Ablation
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
35
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • San Francisco, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Jul 24, 2026, 3:53 PM EDT
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 Jul 24, 2026, 3:53 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 15, 2023 · Synced Jul 24, 2026, 3:53 PM EDT
Active, not recruiting Not applicable Interventional

RESOLVE-AF: Clinical Evaluation of the Ablacath™ Mapping Catheter and Ablamap® System Utilizing Electrographic Flow (EGF) Mapping to Resolve Extra-PV Sources of Atrial Fibrillation and Guide Ablation Therapy.

NCT05883631
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Fibrillation, Persistent, Atrial Fibrillation Paroxysmal, Arrhythmia, Arrhythmias, Cardiac, Atrial Flutter, Atrial Fibrillation, Paroxysmal or Persistent, Atrial Arrhythmia, Atrial Tachycardia
Interventions
Electrographic Flow (EGF) mapping and ablation of EGF-identified sources of Atrial Fibrillation, Electrographic Flow (EGF) mapping (no ablation)
Device
Lead sponsor
Cortex
Industry
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
15
States / cities
Birmingham, Alabama • Phoenix, Arizona • Redwood City, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2025 · Synced Jul 24, 2026, 3:53 PM EDT