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ClinicalTrials.gov public records Last synced Nov 15, 2026, 4:40 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 49–72 of 238 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Implantable Cardioverter Defibrillator Clear all

Conditions: Ventricular Tachycardia
Interventions: Sphere-9 Catheter with the Affera Mapping and Ablation System; Device
Lead sponsor: Medtronic Cardiac Ablation Solutions; Industry
Eligibility: 18 Years to 85 Years
Enrollment: 260 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 7
States / cities: Littleton, Colorado • Indianapolis, Indiana • Manhasset, New York + 4 more

Conditions: Atrial Fibrillation
Interventions: ICD with DX system; Device
Lead sponsor: Weill Medical College of Cornell University; Other
Eligibility: 18 Years and older
Enrollment: 450 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2018
U.S. locations: 8
States / cities: Birmingham, Alabama • Boston, Massachusetts • New York, New York + 5 more

Conditions: Congenital Disorders
Interventions: Not listed
Lead sponsor: Children's Healthcare of Atlanta; Other
Eligibility: Up to 21 Years
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: Started 1998
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Heart Failure
Interventions: Cardiac Resynchronization Therapy Defibrillator; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 18 Years and older
Enrollment: 56 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: San Diego, California

Conditions: Cardiac Pacing
Interventions: Cardiac Waveform Generator; Device
Lead sponsor: Boston Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 108 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Ventricular Tachycardia, Cardiovascular Diseases, Arrythmia, CVD
Interventions: Not listed
Lead sponsor: CardioDx; Industry
Eligibility: 18 Years and older
Enrollment: 400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2009
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Primary Prevention of Sudden Cardiac Arrest
Interventions: Standard ICD programming, High rate cutoff, Long delay; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 21 Years and older
Enrollment: 1,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Rochester, New York

Conditions: Heart Failure
Interventions: Thyroid hormone T3, Control Group; Drug · Other
Lead sponsor: Emory University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 14 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2025
U.S. locations: 2
States / cities: Atlanta, Georgia

Conditions: Ventricular Tachycardia, Ventricular Fibrillation
Interventions: Implantable Cardioverter Defibrillator (ICD); Procedure
Lead sponsor: OhioHealth; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Columbus, Ohio

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

Conditions: Ventricular Tachycardia
Interventions: clonidine, metoprolol; Drug
Lead sponsor: James Martins; Other
Eligibility: 18 Years to 85 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2012
U.S. locations: 1
States / cities: Iowa City, Iowa

Conditions: Congestive Heart Failure, Medical Device
Interventions: Not listed
Lead sponsor: Ohio State University; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Heart Failure, Ischemic Cardiomyopathy, ICD Patients
Interventions: 18F-metaFluorobenzylguanidine, Rubidium-82; Drug
Lead sponsor: Innervate Radiopharmaceuticals LLC (Formerly: Illumina Radiopharmaceuticals LLC); Industry
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Sudden Cardiac Death
Interventions: Not listed
Lead sponsor: Pocono Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2016
U.S. locations: 1
States / cities: East Stroudsburg, Pennsylvania

Conditions: Implantable Defibrillator User
Interventions: Not listed
Lead sponsor: Larisa Tereshchenko; Other
Eligibility: 18 Years and older
Enrollment: 106 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2020
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Cardiomyopathy, Coronary Artery Disease, Congestive Heart Failure, Myocardial Infarction
Interventions: Implantable Cardioverter Defibrillator, Optimal Medical Therapy; Device · Other
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 70 Years and older
Enrollment: 167 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2020
U.S. locations: 5
States / cities: Washington D.C., District of Columbia • Gainesville, Florida • Minneapolis, Minnesota + 2 more

Conditions: Systolic Heart Failure, Sudden Cardiac Death
Interventions: ICD Decision Aid Toolkit; Behavioral
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years and older
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 3
States / cities: Aurora, Colorado • Denver, Colorado

Conditions: Heart Failure
Interventions: Impedance Monitoring Feature; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 162 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 34
States / cities: Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 29 more

Conditions: Left Ventricular Systolic Dysfunction, Sudden Cardiac Death
Interventions: regadenoson; Drug
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 19 Years to 80 Years
Enrollment: 90 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2022
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Arrhythmia, Cardiovascular Diseases, Heart Failure, CVD
Interventions: Not listed
Lead sponsor: CardioDx; Industry
Eligibility: 18 Years to 90 Years
Enrollment: 1,564 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2011
U.S. locations: 8
States / cities: Anchorage, Alaska • Palo Alto, California • Minneapolis, Minnesota + 5 more

Conditions: CIED Related Infection
Interventions: TYRX™ Absorbable Antibacterial Envelope; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 7,075 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2018
U.S. locations: 120
States / cities: Anchorage, Alaska • Mesa, Arizona • Scottsdale, Arizona + 94 more

Conditions: Heart Arrhythmias
Interventions: Not listed
Lead sponsor: Yale University; Other
Eligibility: 10 Years to 60 Years
Enrollment: 400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2015
U.S. locations: 31
States / cities: Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 23 more

Conditions: Heart Failure, Cardiomyopathy
Interventions: Cardiac resynchronization therapy device; Device
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2006
U.S. locations: 51
States / cities: Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 48 more

Conditions: Heart Failure, Congestive, Death, Sudden, Cardiac, Arrhythmia, Cardiomyopathies
Interventions: Not listed
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 85 Years
Enrollment: 1,500 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2029
U.S. locations: 4
States / cities: Washington D.C., District of Columbia • Baltimore, Maryland • Richmond, Virginia

Search by objective public record fields.

Safety and Effectiveness of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere VT)

Sensing Atrial High Rate Episodes With Implantable Cardioverter-Defibrillators Trial (The SENSE Trial)

Automated Cardioverter Defibrillator in Children

Correlation Of Respiratory Rate Level And Trend Evaluation in Heart Failure Patients

Cardiac Anodal Biphasic Pacing

Genetic Substudy of the Alternans Before Cardioverter Defibrillator (ABCD) Trial

Multicenter Automatic Defibrillator Implantation Trial - Reduce Inappropriate Therapy

Effects of Triiodothyronine (T3) in Ischemic Heart Failure

Effect of Right Ventricular Lead Position on Defibrillation Threshold

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

Clonidine to Prevent Implantable Cardiovertor Defibrillator Firing

Use of Defibrillator Information in the Emergency Department

18F-mFBG Imaging for Myocardial Sympathetic Innervation

Study of Paced QRS Duration as a Marker of Sudden Cardiac Death

Assessment of S-ICD Eligibility With 12-Lead ECG

Efficacy and Safety of Implantable Cardioverter-Defibrillator (ICD) Implantation in the Elderly

A Pilot Trial of Patient Decision Aids for Implantable Cardioverter-Defibrillators (ICDs)

Detect Fluid Early From Intra-thoracic Impedance Monitoring

Heart Rate Response to Regadenoson and Sudden Cardiac Death

Diagnostic Investigation of Sudden Cardiac Event Risk

World-wide Randomized Antibiotic Envelope Infection Prevention Trial

Safety of Sports for Patients With Implantable Cardioverter-Defibrillators

InSync Implantable Cardioverter Defibrillator Registry: Cardiac Resynchronization Therapy

Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention