Search | Clinical Trials Finder

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 15, 2026, 2:23 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 265–288 of 1,578 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Arrhythmias Cardiac Clear all

Conditions: Heart Failure, Tachycardia, Ventricular
Interventions: St. Jude Medical Optisure Lead; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 1,735 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2020
U.S. locations: 46
States / cities: Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 42 more

Conditions: Atrial Fibrillation, Coffee
Interventions: Consume coffee, Avoid coffee; Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 21 Years and older
Enrollment: 200 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Atrial Fibrillation
Interventions: Not listed
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 3,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2040
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Atrial Fibrillation, GI Bleeding
Interventions: LAAC with Watchman FLX device; Device
Lead sponsor: Kansas City Heart Rhythm Research Foundation; Other
Eligibility: 18 Years and older
Enrollment: 73 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 4
States / cities: Overland Park, Kansas • Kansas City, Missouri

Conditions: Long QT Syndrome, Sleep Apnea
Interventions: Continuous Positive Airway Pressure (CPAP); Device
Lead sponsor: The Cleveland Clinic; Other
Eligibility: 18 Years to 75 Years
Enrollment: 9 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Ventricular Tachycardia
Interventions: RF Ablation; Device
Lead sponsor: Stereotaxis; Industry
Eligibility: 18 Years to 80 Years
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Hypertrophic Cardiomyopathy
Interventions: Pirfenidone; Drug
Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI); NIH
Eligibility: Not listed
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2001 – 2003
U.S. locations: 1
States / cities: Bethesda, Maryland

Conditions: Persistent Atrial Fibrillation, Cardiac Arrhythmia
Interventions: Cardiac Ablation for the treatment of persistent Atrial Fibrillation; Procedure
Lead sponsor: CathVision ApS; Industry
Eligibility: 21 Years to 85 Years
Enrollment: 37 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: New York, New York

Conditions: Cardiac Arrhythmia
Interventions: Arrhythmia Management System (AMS); Device
Lead sponsor: Zoll Medical Corporation; Industry
Eligibility: 21 Years and older
Enrollment: 585 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2021
U.S. locations: 20
States / cities: Bakersfield, California • Long Beach, California • Los Angeles, California + 15 more

Conditions: Atrial Fibrillation
Interventions: Metformin, Recommendations for lifestyle modification., AliveCor; Drug · Behavioral · Device
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years and older
Enrollment: 117 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Atrial Fibrillation, Stroke, Thrombo-embolism, Bleeding
Interventions: Rivaroxaban, Warfarin and Enoxaparin; Drug
Lead sponsor: Cook County Health; Government
Eligibility: 18 Years and older
Enrollment: 33 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Atrial Fibrillation
Interventions: Delayed Enhanced Cardiac Magnetic Resonance Imaging, Cryoablation; Other · Procedure
Lead sponsor: Saint Luke's Health System; Other
Eligibility: 18 Years to 80 Years
Enrollment: 32 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2017
U.S. locations: 1
States / cities: Kansas City, Missouri

Conditions: Sinus Bradycardia, Atrioventricular Block
Interventions: Adenosine, Cardiac catheterization; Drug · Procedure
Lead sponsor: Columbia University; Other
Eligibility: 6 Months to 25 Years
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2017
U.S. locations: 1
States / cities: New York, New York

Conditions: Tachycardia, Atrioventricular Nodal Reentry
Interventions: Cardiac Invasive Electrophysiological Study; Procedure
Lead sponsor: University of Oklahoma; Other
Eligibility: 16 Years to 80 Years
Enrollment: 46 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2021
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Atrial Fibrillation
Interventions: Verily Watch Cardio, iRhythm Zio monitor, Schiller CARDIOVIT FT-1; Device
Lead sponsor: Verily Life Sciences LLC; Industry
Eligibility: 22 Years and older
Timeline: 2023 – 2024
U.S. locations: 3
States / cities: Lakewood, Colorado • Southfield, Michigan • Winston-Salem, North Carolina

Conditions: Atrial Fibrillation, Deep Vein Thrombosis, Dilated Cardiomyopathies
Interventions: Financial Incentive and Med-eMonitor, 2Med-eMonitor; Behavioral · Device
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 268 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2013
U.S. locations: 2
States / cities: Philadelphia, Pennsylvania

Conditions: Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
Interventions: magnetocardiography, postnatal ECG, fetal echocardiography; Device
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 18 Years to 60 Years · Female only
Enrollment: 39 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2018
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Atrial Fibrillation, Arrhythmias, Cardiac
Interventions: Not listed
Lead sponsor: Stanford University; Other
Eligibility: 22 Years to 80 Years
Enrollment: 120 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2027
U.S. locations: 1
States / cities: Stanford, California

Conditions: Obstructive Sleep Apnea, Atrial Fibrillation
Interventions: Cardiac Ablation for Atrial Fibrillation; Procedure
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Redwood City, California

Conditions: Atrial Fibrillation
Interventions: Cardiac CryoCor Cryoablation System, Medical management; Device · Drug
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 18 Years to 75 Years
Enrollment: 174 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2009
U.S. locations: 24
States / cities: Sacramento, California • San Diego, California • San Francisco, California + 21 more

Conditions: Persistent Atrial Fibrillation
Interventions: Catheter Ablation; Procedure
Lead sponsor: Stavros E Mountantonakis; Other
Eligibility: 18 Years to 80 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 3
States / cities: Manhasset, New York • New Hyde Park, New York • New York, New York

Conditions: Atrial Fibrillation
Interventions: Apixaban, Parenteral heparin and/or oral Vitamin K antagonist; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 1,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2017
U.S. locations: 63
States / cities: Birmingham, Alabama • Avondale, Arizona • Chula Vista, California + 32 more

Conditions: Atrial Fibrillation
Interventions: Left Atrial Appendage Occlusion; Procedure
Lead sponsor: American College of Cardiology; Other
Eligibility: 18 Years and older
Enrollment: 3,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2029
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Atrial Fibrillation
Interventions: SEEQ monitor; Device
Lead sponsor: University of Cincinnati; Other
Eligibility: 18 Years and older
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Cincinnati, Ohio

Search by objective public record fields.

Optisure Lead Post Approval Study

Does Eliminating Coffee Avoid Fibrillation?

Health eHeart BEAT-AFib - Health eHeart Biomarkers of Early Atrial Transformation in Atrial Fibrillation

Left Atrial Appendage Closure With WATCHMAN FLX Device in Recurrent Gastrointestinal Bleeding: The GI-FLX Registry

Long QT Syndrome and Sleep Apnea

Stereotaxis Idiopathic Ventricular Tachycardia (VT) Study

Pirfenidone to Treat Hypertrophic Cardiomyopathy

Single Center Pilot Study Using the ECGenius System to Collect Electrogram Data to Test an Ablation Impact Algorithm

Mobile Cardiac Telemetry and Advanced Multi-Parameter Monitoring in Patients

Metformin as an Adjunctive Therapy to Catheter Ablation in Atrial Fibrillation

Anticoagulation With Rivaroxaban in Cardioversion -The ARC Study

One More Magnetic Resonance Imaging

Analysis of Adenosine on Sinus and Atrioventricular Nodal Conduction in the Pediatric Transplanted Heart

AV Nodal Reentrant Tachycardia Study

Verily Watch Cardio (AF and ECG) Study

Randomized Trial of Interventions to Improve Warfarin Adherence

Fetal and Neonatal Magnetophysiology

Machine Learning in Atrial Fibrillation

Effects of PAP on Afib Recurrence Risk After Catheter Ablation in OSA Patients

Safety and Efficacy of CryoCor™ Cryoablation for PAF

ARIADNE Clinical Trial

Study Of The Blood Thinner, Apixaban, For Patients Who Have An Abnormal Heart Rhythm (Atrial Fibrillation) And Expected To Have Treatment To Put Them Back Into A Normal Heart Rhythm (Cardioversion)

Left Atrial Appendage Occlusion Registry (LAAO Registry)

Recurrent Atrial Fibrillation