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ClinicalTrials.gov public records Last synced Jun 10, 2026, 5:23 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Arrhythmias, Cardiac Clear all
Completed No phase listed Observational

Atrial Fibrillation/Flutter Outcome Risk Determination

NCT01138644
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
519 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Jun 10, 2026, 5:23 AM EDT
Active, not recruiting Phase 2 Interventional

Study of JK07 in Patients With Chronic Heart Failure

NCT06369298
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Heart Failure With Preserved Ejection Fraction
Interventions
JK07, Placebo
Drug
Lead sponsor
Salubris Biotherapeutics Inc
Industry
Eligibility
18 Years to 85 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
51
States / cities
Alexander City, Alabama • Birmingham, Alabama • Huntsville, Alabama + 45 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 10, 2026, 5:23 AM EDT
Completed No phase listed Observational

Study to Monitor Patients With Pacemakers or ICDs Who Undergo MRI Scans

NCT01999751
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
MRI Scan
Device
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Jun 10, 2026, 5:23 AM EDT
Terminated Not applicable Interventional

Effect of Oral Appliance Therapy on Atrial Fibrillation

NCT03835429
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
MyTAP oral appliance plus mouth shield
Device
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jun 10, 2026, 5:23 AM EDT
Recruiting No phase listed Observational

Real-world Experience of Catheter Ablation for the Treatment of Paroxysmal and Persistent Atrial Fibrillation

NCT04088071
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation, Persistent Atrial Fibrillation
Interventions
Catheter ablation
Device
Lead sponsor
Heart Rhythm Clinical and Research Solutions, LLC
Other
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
64
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Jun 10, 2026, 5:23 AM EDT
Not yet recruiting Phase 3 Interventional

MAGNEsium With meToprolol for Rate Control In Atrial Fibrillation

NCT07632157
View directory record Official record
Conditions
Atrial Flutter With Rapid Ventricular Response
Interventions
Magnesium Sulfate 2g, Magnesium Sulfate 4g, Saline (0.9% NaCl)
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Not applicable Interventional Results available

ABLATE Post Approval Study - Synergy Ablation Lesions for Non-Paroxysmal Atrial Fibrillation

NCT01694563
View directory record Official record
Conditions
Persistent Atrial Fibrillation, Longstanding Persistent Atrial Fibrillation
Interventions
Synergy Ablation System
Device
Lead sponsor
AtriCure, Inc.
Industry
Eligibility
18 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
49
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 41 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Phase 3 Interventional Results available

Explore the Efficacy and Safety of Once-daily Oral Rivaroxaban for the Prevention of Cardiovascular Events in Subjects With Nonvalvular Atrial Fibrillation Scheduled for Cardioversion

NCT01674647
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonist (VKA)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
66
States / cities
Mobile, Alabama • Scottsdale, Arizona • East Palo Alto, California + 58 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Jun 10, 2026, 5:23 AM EDT
Terminated Phase 4 Interventional Results available

Effects of Dronedarone on Atrial Fibrillation Burden in Subjects With Permanent Pacemakers

NCT01135017
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dronedarone, Placebo (for Dronedarone)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
92
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 79 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2013 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Phase 2 Interventional Results available

2-Hydroxybenzylamine (2-HOBA) to Prevent Early Recurrence of Atrial Fibrillation After Catheter-based Ablation

NCT04433091
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
2-Hydroxybenzylamine, Placebo
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
22 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Jun 10, 2026, 5:23 AM EDT
Terminated Not applicable Interventional

Focal Impulse and Rotor Modulation Ablation Trial for Treatment of Paroxysmal Atrial Fibrillation (FIRMAT-PAF)

NCT01925885
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
PVI Ablation, FIRM Ablation
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Jun 10, 2026, 5:23 AM EDT
Withdrawn No phase listed Observational

Atrial Appendage Closure Prospective Observational Study

NCT02309268
View directory record Official record
Conditions
Atrial Fibrillation, Left Atrial Appendage Closure
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 14, 2015 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Phase 3 Interventional

Long Term Safety of 125 mg Per Day of Oral Azimilide in Patients With Implantable Cardioverter Defibrillator (ICDs)

NCT00751738
View directory record Official record
Conditions
Arrhythmias
Interventions
azimilide dihydrochloride
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
50
States / cities
Mobile, Alabama • Little Rock, Arkansas • La Jolla, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Not applicable Interventional

MASTER I - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients

NCT00305240
View directory record Official record
Conditions
Myocardial Infarction, Arrhythmia, Ventricular, Ischemic Cardiomyopathy
Interventions
T Wave Alternans Test
Procedure
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
47
States / cities
Mobile, Alabama • Phoenix, Arizona • Walnut Creek, California + 44 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2008 · Synced Jun 10, 2026, 5:23 AM EDT
Terminated Phase 4 Interventional Results available

Dabigatran's Effect on Changes in Atrial Fibrosis in Patients With Atrial Fibrillation

NCT01546883
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Dabigatran etexilate (Pradaxa)
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Jun 10, 2026, 5:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sleep Apnea and Hypertrophic Cardiomyopathy (HCM)

NCT03327623
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Jun 10, 2026, 5:23 AM EDT
Active, not recruiting Not applicable Interventional

Abbott Medical - VERITAS Study

NCT06707688
View directory record Official record
Conditions
Atrial Fibrillation (AF), Stoke
Interventions
Amulet™ 2 Left Atrial Appendage (LAA) Occluder
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
19
States / cities
Phoenix, Arizona • Jonesboro, Arkansas • Jacksonville, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Phase 4 Interventional

ULTRA Study for Pacemaker Patients

NCT00133289
View directory record Official record
Conditions
Bradycardia
Interventions
Pacemaker with Automatic Capture
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
950 participants
Timeline
2005 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2007 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Phase 4 Interventional Results available

Study of Continuous Cardiac Monitoring to Assess Atrial Fibrillation After Cryptogenic Stroke

NCT00924638
View directory record Official record
Conditions
Cryptogenic Symptomatic Transient Ischemic Attack, Cryptogenic Ischemic Stroke
Interventions
Reveal® XT Insertable Cardiac Monitor
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
40 Years and older
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
19
States / cities
Mountain View, California • Denver, Colorado • Chicago, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Jun 10, 2026, 5:23 AM EDT
Completed Not applicable Interventional

SmartCPR Trial: An Analysis of a Waveform-Based Automated External Defibrillation (AED) Algorithm on Survival From Out-of-Hospital Ventricular Fibrillation

NCT00535106
View directory record Official record
Conditions
Ventricular Fibrillation, Cardiac Arrest
Interventions
Automated external defibrillator (Philips FR2+ AED), SmartCPR, Delayed defibrillation
Device · Other
Lead sponsor
New York City Fire Department
Government
Eligibility
Not listed
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 18, 2009 · Synced Jun 10, 2026, 5:23 AM EDT
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
32
States / cities
Mobile, Alabama • Jonesboro, Arkansas • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jun 10, 2026, 5:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epigenetic Analysis of Regulation of the Inflammasome-activating NLRP3 Gene in Monocytes From Atrial Fibrillation Patients and Controls

NCT04766814
View directory record Official record
Conditions
Atrial Fibrillation, Arrhythmia
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
20 Years to 80 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Jun 10, 2026, 5:23 AM EDT
Terminated Phase 2 Interventional

Study Evaluating GAP-486 in Heart Rhythm

NCT00137293
View directory record Official record
Conditions
Arrhythmia
Interventions
GAP-486 (ZP-123), 0.9% Sodium Chloride, USP
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
3
States / cities
San Francisco, California • Washington D.C., District of Columbia • Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2007 · Synced Jun 10, 2026, 5:23 AM EDT
Completed No phase listed Observational

Micra AV Transcatheter Pacing System Post-Approval Registry

NCT04253184
View directory record Official record
Conditions
Bradycardia
Interventions
Micra AV Transcatheter Pacing System
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
46
States / cities
Birmingham, Alabama • Rancho Mirage, California • Redwood City, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jun 10, 2026, 5:23 AM EDT