Search | Clinical Trials Finder

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ClinicalTrials.gov public records Last synced Nov 15, 2026, 2:30 AM 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 25–48 of 238 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Implantable Cardioverter Defibrillator Clear all

Conditions: Tachycardia, Ventricular
Interventions: Bispectral index monitoring, Ramsey Sedation Scale; Device · Other
Lead sponsor: Baystate Medical Center; Other
Eligibility: 21 Years to 65 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2013
U.S. locations: 1
States / cities: Springfield, Massachusetts

Conditions: Primary Prevention of Sudden Cardiac Arrest, Secondary Prevention of Sudden Cardiac Arrest
Interventions: S-ICD System; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: Not listed
Enrollment: 1,766 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2021
U.S. locations: 87
States / cities: Huntsville, Alabama • Mesa, Arizona • Phoenix, Arizona + 72 more

Conditions: Bradyarrhythmia, Heart Failure
Interventions: Data collection; Other
Lead sponsor: University of Chicago; Other
Eligibility: 18 Years and older
Enrollment: 383 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2026
U.S. locations: 5
States / cities: Tucson, Arizona • Chicago, Illinois • New York, New York + 2 more

Conditions: Ventricular Arrhythmia
Interventions: Eleclazine, Placebo to match eleclazine; Drug
Lead sponsor: Gilead Sciences; Industry
Eligibility: 18 Years to 80 Years
Enrollment: 313 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 37
States / cities: Mesa, Arizona • Long Beach, California • Los Angeles, California + 32 more

Conditions: Aortic Stenosis, Disorder of Prosthetic Cardiac Valve, Aortic Valve Insufficiency, Mitral Valve Insufficiency, Hypertrophic Cardiomyopathy, Tricuspid Valve Insufficiency
Interventions: Blood Draw; Procedure
Lead sponsor: Mayo Clinic; Other
Eligibility: 21 Years and older
Enrollment: 378 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2020
U.S. locations: 1
States / cities: Jacksonville, Florida

Conditions: Arrhythmias, Cardiac
Interventions: Not listed
Lead sponsor: Johns Hopkins University; Other
Eligibility: 9 Years and older
Enrollment: 1,509 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2015
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Magnetic Resonance Imaging (MRI)
Interventions: Blood sample collection; Diagnostic Test
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 105 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Rochester, Minnesota

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: Ventricular Tachycardia
Interventions: MRI guided VT ablation, Increased dose of amiodarone; Procedure · Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 99 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Heart Failure, Nonischemic Cardiomyopathy, Ischemic Cardiomyopathy, Ventricular Arrhythmia, Complications; Device, Cardiac
Interventions: Not listed
Lead sponsor: American College of Cardiology; Other
Eligibility: Not listed
Enrollment: 1,750 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2030
U.S. locations: 1
States / cities: Washington D.C., District of Columbia

Conditions: Heart Failure
Interventions: Implantable Hemodynamic Monitor (Chronicle® IHM), and IHM in combination with single chamber ICD (Chronicle ICD); Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 442 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2011
U.S. locations: 52
States / cities: Birmingham, Alabama • La Jolla, California • Loma Linda, California + 43 more

Conditions: Device:MRI
Interventions: Device: MRI; Device
Lead sponsor: Johns Hopkins University; Other
Eligibility: 9 Years to 100 Years
Enrollment: 4,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2027
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Heart Failure
Interventions: Automated HF/EP Referral, Placebo (Registry Arm); Other
Lead sponsor: Duke University; Other
Eligibility: 18 Years and older
Enrollment: 77 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Heart Diseases
Interventions: Implantable Cardioverter Defibrillator; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 65 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2007
U.S. locations: 5
States / cities: Tampa, Florida • Coon Rapids, Minnesota • Rochester, Minnesota + 2 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: Sleep Apnea Syndromes
Interventions: Transvenous nerve stimulation; Device
Lead sponsor: Respicardia, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 29 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2025
U.S. locations: 3
States / cities: Winston-Salem, North Carolina • Columbus, Ohio • Bryn Mawr, Pennsylvania

Conditions: Cardiomyopathies
Interventions: Clinical Reminder; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older
Enrollment: 89 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2013
U.S. locations: 2
States / cities: Palo Alto, California • Stanford, California

Conditions: Pacemaker, Implantable Cardioverter Defibrillators
Interventions: MRI; Other
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 872 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2022
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

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: Atrial Fibrillation, Stroke, Heart Failure
Interventions: Diagnostic; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 3,100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2007
U.S. locations: 92
States / cities: Mesa, Arizona • Tucson, Arizona • Fountain Valley, California + 89 more

Conditions: Implanted With Any Currently (and Any Future) FDA-approved Medtronic ICD or CRT Device, to Which is Attached a St. Jude Riata Lead
Interventions: fluoroscopy, synchronized high-voltage shock, Holter monitor; Procedure
Lead sponsor: Hartford Hospital; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2019
U.S. locations: 1
States / cities: Hartford, Connecticut

Conditions: Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
Interventions: Protecta VR-ICD, Protecta DR-ICD or CRT-D; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: Not listed
Enrollment: 2,770 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2013
U.S. locations: 29
States / cities: Birmingham, Alabama • Mesa, Arizona • Fort Smith, Arkansas + 26 more

Conditions: Ischemic Cardiomyopathy
Interventions: Low level tragus stimulation; Device
Lead sponsor: University of Oklahoma; Other
Eligibility: 18 Years to 90 Years
Enrollment: 26 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Defibrillators, Implantable, Myocardial Infarction, Tachycardias, Ventricular
Interventions: ICD; Device
Lead sponsor: Duke University; Other
Eligibility: 18 Years and older
Enrollment: 2,047 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2008
U.S. locations: 1
States / cities: Durham, North Carolina

Search by objective public record fields.

Bispectral Index Monitoring During Testing in the Electrophysiology Lab

S-ICD® System Post Approval Study

Conduction System Pacing International Registry (CONSPIRE)

Evaluating Ventricular Arrhythmia in Subjects With Implantable Cardioverter Defibrillator or Cardiac Resynchronization Therapy-Defibrillator

Biomarkers in Aortic Stenosis - B.A.S.S.

Clinically Indicated Magnetic Resonance Imaging in Patients With Cardiac Devices

Myocardial Injury in Patients With Cardiac Implantable Electronic Devices Following Magnetic Resonance Imaging

Optisure Lead Post Approval Study

Anti-arrhythmic Medication v. MRI-Merge Ablation in the Treatment of Ventricular Tachycardia

Implantable Cardioverter Defibrillator (ICD Registry)

Reducing Decompensation Events Utilizing Intracardiac Pressures in Patients With Chronic Heart Failure (HF) (REDUCEhf)

Magnetic Resonance Imaging (MRI) in Patients With Pacemakers and Implanted Cardioverter Defibrillators

Automated MEdical Record Driven Implantable CArdioverter-defibrillator Heart Failure Trial (AMERICA-HF)

D2-EPG Study: Evaluation of New Sensing Circuitry and Capture Management

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

Janus Feasibility Study

Implantable Cardioverter-Defibrillator Use in the VA System

Study Evaluating the Use of MRI on CMS Patients

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

TRENDS: A Prospective Study of the Clinical Significance of Atrial Arrhythmias Detected by Implanted Device Diagnostics

Insulation Failure in St. Jude Riata Leads

Safety and Clinical Performance of the Protecta ICD and CRT-D

The Effect of Low LEVel TrAgus STimulation on the Electrophysiological Substrate of Patients With Ischemic CardioMyopathy Substrate of Subjects With Ischemic CardioMyopathy

Risk of Life-threatening Heart Rhythm Disturbances in Siblings