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Showing 1–24 of 1,081 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Fibrillation Clear all
Completed Phase 4 Interventional Results available

Corticosteroid Pulse After Ablation

NCT00807586
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Solumedrol, Placebo
Drug
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Jul 22, 2026, 2:30 PM EDT
Not listed No phase listed Observational

Gut Microbiome and Ventricular Arrhythmias

NCT04466072
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Gut Microbiome
Interventions
Stool test for microbial analysis
Diagnostic Test
Lead sponsor
North Florida Foundation for Research and Education
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 17, 2022 · Synced Jul 22, 2026, 2:30 PM EDT
Terminated Not applicable Interventional

Efficacy and Safety Study of the Estech COBRA® Surgical System to Treat Patients With a History of Irregular Heart Beats

NCT01683045
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
The Estech COBRA® Surgical System
Device
Lead sponsor
Endoscopic Technologies, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
Mesa, Arizona • Hartford, Connecticut • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2014 · Synced Jul 22, 2026, 2:30 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Odiparcil QT Definitive Study

NCT00437242
View directory record Official record
Conditions
Fibrillation, Atrial, Atrial Fibrillation
Interventions
Odiparcil
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2012 · Synced Jul 22, 2026, 2:30 PM EDT
Terminated No phase listed Observational Results available

OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.

NCT00277524
View directory record Official record
Conditions
Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction, Bradycardia
Interventions
Not listed
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
3,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
113
States / cities
Tucson, Arizona • Little Rock, Arkansas • Fresno, California + 107 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2013 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

Triple Antithrombotic Therapy in Cardiac Patients Requiring Revascularization

NCT03889574
View directory record Official record
Conditions
Cardiac Disease
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Jul 22, 2026, 2:30 PM EDT
Recruiting Not applicable Interventional

PVI Alone Versus PVI Plus PWI and SVCI With PFA

NCT07405359
View directory record Official record
Conditions
Persistent Atrial Fibrillation
Interventions
AF Ablation: PVI + PWI + SVCI, PFA, Implantable loop recorder
Procedure · Device
Lead sponsor
Edward Gerstenfeld, MD
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

BRS and Outcomes in Cardiothoracic Surgery

NCT03243279
View directory record Official record
Conditions
Pain, Postoperative, Atrial Fibrillation, Cognitive Dysfunction
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Jul 22, 2026, 2:30 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Applying Pharmacogenetic Algorithms to Individualize Dosing of Warfarin

NCT00927862
View directory record Official record
Conditions
Thromboembolism
Interventions
IWPC adapted genotype-guided dosing algorithm for warfarin, Modified IWPC genetic-guided warfarin dosing algorithm, Standard of care treatment
Genetic · Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
2,415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Jul 22, 2026, 2:30 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of the Safety, Tolerability and Pilot Efficacy of Oral Factor Xa Inhibitor Betrixaban Compared to Warfarin

NCT00742859
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
betrixaban, Warfarin
Drug
Lead sponsor
Portola Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
508 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
19
States / cities
Anaheim, California • Colorado Springs, Colorado • Melbourne, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2023 · Synced Jul 22, 2026, 2:30 PM EDT
Not listed Phase 3 Interventional

PV Reconnection After PVAI at Different Power Settings and Adenosine Provocation

NCT01672346
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
PVAI followed by adenosine provocation
Procedure
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years to 80 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

Circulating Biomarkers and Ventricular Tachyarrhythmia

NCT01892462
View directory record Official record
Conditions
Cardiomyopathy, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
Not listed
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Jul 22, 2026, 2:30 PM EDT
Terminated Not applicable Interventional

Radiofrequency (RF) Ablation for Atrial Fibrillation (AF) in Patients With Heart Failure With Preserved Ejection Fraction

NCT04327596
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
RF ablation of AF using CARTO 3 and a Thermocool ST SF ablation catheter
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
50 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Jul 22, 2026, 2:30 PM EDT
Completed Not applicable Interventional

A Study of Strategies for Electrical Isolation of Pulmonic Veins for Curative Treatment of Atrial Fibrillation

NCT00434694
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Pulmonary Vein Isolation (Radiofrequency Catheter Ablation)
Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2015 · Synced Jul 22, 2026, 2:30 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

VITAL Rhythm Study

NCT02178410
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Vitamin D3, Omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D3 placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Jul 22, 2026, 2:30 PM 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 Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

Rhythm Express Wearable System vs. Simultaneous Polysomnography for the Diagnosis of Obstructive Sleep Apnea in Adults With Suspected or Observed Atrial Fibrillation

NCT06907888
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Atrial Fibrillation (Paroxysmal), Palpitations
Interventions
Rhythm Express Wearable System
Device
Lead sponsor
VivaQuant
Industry
Eligibility
21 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Conway, Arkansas • St Louis, Missouri • Charlotte, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Jul 22, 2026, 2:30 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

MANAGE-VT Registry - MANAGEment of Ventricular Tachycardia Outcomes Registry

NCT06455488
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Ventricular Tachycardia Ablation, ICD Implant, Antiarrhythmic drug, EKG, Cardioversion, Echocardiogram
Procedure · Device · Drug + 1 more
Lead sponsor
CorVita Science Foundation
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Jul 22, 2026, 2:30 PM EDT
Completed Phase 4 Interventional

Assessment of Cardioversion Using Transesophageal Echocardiography II (ACUTE II)

NCT00289042
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Enoxaparin
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 30, 2007 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Design and Rationale of the Assessment of the MindMics Recording System

NCT05103579
View directory record Official record
Conditions
Atrial Fibrillation, Arrythmia
Interventions
MindMics
Device
Lead sponsor
MindMics Inc
Industry
Eligibility
Not listed
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Sumter, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

Validation of Ambulatory Sleep Test (WP200/U) Compared In-lab Sleep Testing in Cardiac Subjects

NCT02369705
View directory record Official record
Conditions
Sleep Disorders
Interventions
Not listed
Lead sponsor
Itamar-Medical, Israel
Industry
Eligibility
17 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Los Angeles, California • San Jose, California • Gainsville, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Jul 22, 2026, 2:30 PM EDT
Completed Phase 3 Interventional Results available

Global Study to Assess the Safety and Effectiveness of Edoxaban (DU-176b) vs Standard Practice of Dosing With Warfarin in Patients With Atrial Fibrillation

NCT00781391
View directory record Official record
Conditions
Stroke, Atrial Fibrillation, Embolism
Interventions
warfarin tablets, Edoxaban tablets (high dose regimen-60mg), Edoxaban tablets (low dose regimen-30mg), placebo warfarin, placebo edoxaban
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
21 Years and older
Enrollment
21,105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
316
States / cities
Birmingham, Alabama • Mobile, Alabama • Gilbert, Arizona + 308 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Jul 22, 2026, 2:30 PM EDT
Not listed Not applicable Interventional

aMAZE Study: LAA Ligation Adjunctive to PVI for Persistent or Longstanding Persistent Atrial Fibrillation

NCT02513797
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
LARIAT + PVI, Pulmonary Vein Isolation
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
53
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 44 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Jul 22, 2026, 2:30 PM EDT
Completed No phase listed Observational

Clinical Outcomes Among Non-valvular Atrial Fibrillation Patients With Renal Dysfunction

NCT03359876
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Warfarin sodium
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
16,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 10, 2019 · Synced Jul 22, 2026, 2:30 PM EDT