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Showing 1–24 of 265 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Atrial Fibrillation (AF) Clear all
Completed No phase listed Observational Accepts healthy volunteers

A Study to Investigate if Early Atrial Fibrillation (AF) Diagnosis Reduces Risk of Events Like Stroke in the Real-World

NCT04276441
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Heart healthy Engagement Program with the Apple Watch Series 5 or later, Anti-Coagulation Adherence Module with the Apple Watch Series 5 or later
Device
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
65 Years and older
Enrollment
34,244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 14, 2026, 1:45 AM EDT
Recruiting Not applicable Interventional

Digitally Rendered Interventions And Knowledge To Limit Ethanol-Associated Atrial Fibrillation Severity

NCT06995391
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
Contemporary Guideline-Adherence, Alcohol Abstinence
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 14, 2026, 1:45 AM EDT
Not listed Not applicable Interventional

Screening for Atrial Fibrillation Among Older Patients in Primary Care Clinics

NCT03515057
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Single lead handheld electrocardiogram
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
65 Years and older
Enrollment
35,308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Sep 14, 2026, 1:45 AM EDT
Completed Phase 3 Interventional Results available

HeartLight Ablation in Patients With Paroxysmal Atrial Fibrillation (PAF)

NCT01456000
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
EAS-AC (HeartLight), Control Arm Ablation
Device · Procedure
Lead sponsor
CardioFocus
Industry
Eligibility
18 Years to 75 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
21
States / cities
Birminham, Alabama • Palo Alto, California • Sacramento, California + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2016 · Synced Sep 14, 2026, 1:45 AM EDT
Completed No phase listed Observational

RHYTHMIA vs CARTO in Redo Ablation Procedures for Atrial Fibrillation

NCT04835844
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
CARTO, RHYTHMIA
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Completed No phase listed Observational

ImplemeNtation oF demOnstration pRoject for Health systeMs: Atrial Fibrillation (INFORM-AF) Part 1

NCT02569528
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 14, 2026, 1:45 AM EDT
Completed Phase 2 Interventional Results available

PETRO Stroke Prevention in Patients With AF by Treatment With Dabigatran, With and Without Aspirin, Compared to Warfarin

NCT01227629
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
dabigatran with ASA, warfarin, dabigatran without ASA
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
14
States / cities
Fayetteville, Arkansas • La Mesa, California • Pensacola, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Sep 14, 2026, 1:45 AM EDT
Completed No phase listed Observational

RATE Registry - Registry of Atrial Tachyarrhythmia/Atrial Fibrillation (AT/AF) Episodes in the Cardiac Rhythm Management (CRM) Device Population

NCT00837798
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
CRM Device
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
5,379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Sep 14, 2026, 1:45 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 14, 2026, 1:45 AM 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 Sep 14, 2026, 1:45 AM EDT
Recruiting Not applicable Interventional

Disrupted Sleep and Concurrent Ectopy or Atrial Fibrillation

NCT07220525
View directory record Official record
Conditions
Obstructive Sleep Apnea, Premature Ventricular Contraction (PVC), Atrial Fibrillation (AF), Premature Atrial Contraction
Interventions
HGNS Use Randomized Instructions
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Terminated Not applicable Interventional Results available

Deviating the Esophagus in Atrial Fibrillation Ablation

NCT01546168
View directory record Official record
Conditions
Esophageal Deviation, Atrial Fibrillation, Ablation
Interventions
esophageal deviation with IDE device
Device
Lead sponsor
Vivek Reddy
Other
Eligibility
18 Years to 80 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
4
States / cities
Orlando, Florida • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 14, 2026, 1:45 AM EDT
Terminated No phase listed Observational

DIAMOND AF Post-Approval Study

NCT05230524
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
DiamondTemp™ Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Winter Park, Florida
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Withdrawn Not applicable Interventional

CONVERGE CAP Study-For The Treatment Of Symptomatic Persistent or Long-standing Persistent AF

NCT04239534
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Convergence Of Epicardial And Endocardial RF Ablation
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
8
States / cities
Birmingham, Alabama • Huntsville, Alabama • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 14, 2026, 1:45 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 14, 2026, 1:45 AM EDT
Terminated Phase 4 Interventional Results available

Catheter Ablation vs. Medical Therapy in Congested Hearts With AF

NCT02686749
View directory record Official record
Conditions
Congestive Heart Failure, Left Ventricular Failure, Atrial Fibrillation
Interventions
Catheter Ablation, FDA approved anti arrhythmic drug
Device · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
6
States / cities
Hartford, Connecticut • Akron, Ohio • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 14, 2026, 1:45 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 14, 2026, 1:45 AM EDT
Active, not recruiting No phase listed Observational

P-wave Duration and Local Potential as Predictors of AF Recurrence Following Pulmonary Vein Isolation

NCT07471308
View directory record Official record
Conditions
Atrial Fibrillation (AF), Atrial Fibrillation Patients Treated With the FARAPULSE™ PFA System, Atrial Fibrillation (Paroxysmal), Pulmonary Vein Isolation
Interventions
AF Recurrence RIsk Assessment post pulmonary vein isolation
Device
Lead sponsor
CathVision ApS
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 14, 2026, 1:45 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 14, 2026, 1:45 AM EDT
Completed Not applicable Interventional

Data-driven SDM to Reduce Symptom Burden in AF

NCT04993807
View directory record Official record
Conditions
Atrial Fibrillation, Patient Engagement
Interventions
Shared decision-making tool
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Completed Phase 4 Interventional Results available

Trial to Evaluate Anticoagulation Therapy in Hemodialysis Patients With Atrial Fibrillation

NCT02942407
View directory record Official record
Conditions
Atrial Fibrillation, End Stage Renal Disease
Interventions
apixaban, warfarin
Drug
Lead sponsor
Christopher Granger, MD
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
58
States / cities
Huntsville, Alabama • Fresno, California • Long Beach, California + 52 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Sep 14, 2026, 1:45 AM 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
36
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Recruiting Phase 3 Interventional

Stroke and Systemic Embolism Prevention in Adult Participants With Atrial Fibrillation

NCT07626411
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
REGN7508, Apixaban, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
15,364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
8
States / cities
Dothan, Alabama • Newport Beach, California • Pasadena, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 14, 2026, 1:45 AM EDT
Terminated Not applicable Interventional

Safety and Efficacy Study of The Combined Ablation Procedure To Treat Longstanding Persistent Atrial Fibrillation

NCT01103661
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Numeris®-AF Guided Coagulation System with VisiTrax®
Device
Lead sponsor
nContact Surgical Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
4
States / cities
Indianapolis, Indiana • Memphis, Tennessee • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Sep 14, 2026, 1:45 AM EDT