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, 3:53 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 313–336 of 1,578 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Arrhythmias Cardiac Clear all

Conditions: Arrhythmias, Cardiac, Heart Block
Interventions: Holter Monitor, Zio Patch; Device
Lead sponsor: Columbia University; Other
Eligibility: Up to 21 Years
Enrollment: 247 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: New York, New York

Conditions: Atrial Fibrillation, Inflammation, Atrial Flutter
Interventions: Not listed
Lead sponsor: Emory University; Other
Eligibility: 18 Years and older
Enrollment: 47 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2007
U.S. locations: 2
States / cities: Atlanta, Georgia

Conditions: Prolonged QT Interval
Interventions: Not listed
Lead sponsor: Vanderbilt University; Other
Eligibility: 21 Years and older
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Atrial Fibrillation
Interventions: Ionic Calcium, Calcium Carbonate; Dietary Supplement
Lead sponsor: National University of Natural Medicine; Other
Eligibility: 55 Years to 75 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2025
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Atrial Fibrillation
Interventions: Catheter Ablation; Device
Lead sponsor: Heart Rhythm Clinical and Research Solutions, LLC; Other
Eligibility: 18 Years and older
Enrollment: 392 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 4
States / cities: Birmingham, Alabama • Annapolis, Maryland • Boston, Massachusetts + 1 more

Conditions: Heart Failure, Cardiomyopathy, Cardiac Arrhythmia
Interventions: QLV interval measurement; Procedure
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Arrhythmias, Cardiac
Interventions: Not listed
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019
U.S. locations: 1
States / cities: Saint Paul, Minnesota

Conditions: Atrial Fibrillation
Interventions: Non-coumadin Oral Anticoagulant; Drug
Lead sponsor: Northwestern University; Other
Eligibility: 18 Years and older
Enrollment: 59 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 2
States / cities: Chicago, Illinois • Boston, Massachusetts

Conditions: Tachycardia, Ventricular Arrythmia
Interventions: Defibrillation using the Extravascular ICD; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 393 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2024
U.S. locations: 33
States / cities: Scottsdale, Arizona • La Jolla, California • Redwood City, California + 18 more

Conditions: Atrial Fibrillation
Interventions: Not listed
Lead sponsor: University of Pittsburgh; Other
Eligibility: 18 Years and older
Enrollment: 1,147 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2017
U.S. locations: 4
States / cities: Baltimore, Maryland • Hershey, Pennsylvania • Philadelphia, Pennsylvania + 1 more

Conditions: Cardiac Pacemaker, Arrhythmia, Bradycardia
Interventions: Aveir AR Leadless Pacemaker, Single-chamber atrial transvenous pacemaker; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 586 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2031
U.S. locations: 1
States / cities: Sylmar, California

Conditions: Atrial Fibrillation (AF), Heart Failure, Catheter Ablation, Guideline Implementation
Interventions: LAP-Triggered Heart Failure Optimization Pathway; Behavioral
Lead sponsor: Medical College of Wisconsin; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Atrial Fibrillation, Abnormal Heart Rhythms
Interventions: Not listed
Lead sponsor: Stanford University; Other
Eligibility: 21 Years to 90 Years
Enrollment: 1,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2027
U.S. locations: 1
States / cities: Stanford, California

Conditions: Atrial Fibrillation (AF), Chronic Lymphocytic Leukemia, Waldenstrom Macroglobulinemia, Mantle Cell Lymphoma, Marginal Zone Lymphoma
Interventions: Not listed
Lead sponsor: Tina Baykaner; Other
Eligibility: 18 Years and older
Enrollment: 500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2031
U.S. locations: 3
States / cities: Duarte, California • San Diego, California • Stanford, California

Conditions: Arrhythmia, Bradycardia
Interventions: Pacemaker; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: Not listed
Enrollment: 860 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2006
U.S. locations: 51
States / cities: Anchorage, Alabama • Mobile, Alabama • Fullerton, California + 48 more

Conditions: Sudden Cardiac Death, Ventricular Fibrillation, Ventricular Tachycardia, Ventricular Dysfunction, Myocardial Ischemia
Interventions: wearable defibrillator (LifeVest); Device
Lead sponsor: Zoll Medical Corporation; Industry
Eligibility: 18 Years and older
Enrollment: 69 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2014
U.S. locations: 5
States / cities: Sacramento, California • Atlanta, Georgia • Takoma Park, Maryland + 2 more

Conditions: Sensorineural Hearing Loss, Long QT Syndrome
Interventions: Not listed
Lead sponsor: Pediatrix; Other
Eligibility: 1 Day to 90 Days
Enrollment: 600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2020
U.S. locations: 12
States / cities: Anchorage, Alaska • Phoenix, Arizona • Waterford, Connecticut + 6 more

Conditions: Epilepsy, Seizures, Syncope, Channelopathy, Cardiomyopathies
Interventions: Not listed
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 50 Years
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2031
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Atrial Fibrillation
Interventions: Not listed
Lead sponsor: Corewell Health East; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2017
U.S. locations: 1
States / cities: Royal Oak, Michigan

Conditions: Atrial Fibrillation, Atrial Flutter
Interventions: Tedisamil sesquifumarate; Drug
Lead sponsor: Solvay Pharmaceuticals; Industry
Eligibility: 18 Years and older · Male only
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2006
U.S. locations: 4
States / cities: Los Angeles, California • Santa Ana, California • Honolulu, Hawaii + 1 more

Conditions: Sinus Pause, Sinus Sick Syndrome, Heart Block, Arrhythmias, Cardiac
Interventions: Cardiac Imaging by TTE or CTA; Diagnostic Test
Lead sponsor: Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute); Other
Eligibility: 18 Years to 89 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Sick Sinus Syndrome, Complete Heart Block, Syncope, Chronic Systolic Heart Failure
Interventions: polymixin/bacitracin, cephalexin, or levofloxacin, or clindamycin, Saline; Drug
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 1,010 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2021
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Ventricular Arrhythmias
Interventions: Implantation of subcutaneous ICD, Implantation of transvenous ICD; Device
Lead sponsor: Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA); Other
Eligibility: 18 Years and older
Enrollment: 850 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2023
U.S. locations: 10
States / cities: New Haven, Connecticut • Atlanta, Georgia • Chicago, Illinois + 4 more

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

Search by objective public record fields.

Holter Versus Zio Patch Electrocardiographic Monitoring in Children

Markers of Oxidative Stress Present in Blood in Patients With Atrial Fibrillation

Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber Pacemakers

Antiorbital Calcium in Chronic Conditions

Real-World Evidence Registry to Assess Outcomes of Catheter Ablation for Atrial Fibrillation (DYNAMIC AF Registry)

Correlating QLV Interval to Left Ventricular (LV) Lead Position in Patients Receiving Cardiac Resynchronization Therapy.

Cardiac Monitor Employee Study

Rhythm Evaluation for AntiCoagulaTion With COntinuous Monitoring

Extravascular ICD Pivotal Study

PaTH Clinical Data Research Network (CDRN) Atrial Fibrillation (AF) Clinician-Patient Partnership Cohort

Aveir AR Coverage With Evidence Development (CED) Study

Left Atrial Pressure-Guided Heart Failure Optimization During Atrial Fibrillation Ablation (LAP AF-HF)

COMparison of Physiological Algorithms for Real-time Evaluation of Atrial Fibrillation

Atrial Fibrillation Among Patients With Hematologic Malignancies on Tyrosine Kinase Inhibitor Therapy

CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse

LifeVest Post-CABG Registry

Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss.

Genetic Markers of Cardiovascular Disease in Epilepsy

Dabigatran Versus Warfarin Anticoagulation Before and After Catheter Ablation for the Treatment of Atrial Fibrillation

Intravenous Tedisamil in the Rapid Conversion of Atrial Fibrillation or Flutter to Normal Sinus Rhythm in Male Subjects

Multimodality Location Prediction Accuracy of Leadless Pacemaker Positioning

Perioperative Antibiotic Therapy to Prevent Cardiac Implantable Electronic Device Infections.

A PRospective, rAndomizEd Comparison of subcuTaneOous and tRansvenous ImplANtable Cardioverter Defibrillator Therapy

Applying Pharmacogenetic Algorithms to Individualize Dosing of Warfarin