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ClinicalTrials.gov public records Last synced Nov 15, 2026, 6:56 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 169–192 of 238 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Implantable Cardioverter Defibrillator Clear all

Conditions: Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome, Congenital Heart Disease
Interventions: ICD lead implant, Thin leads; Device
Lead sponsor: Charles Berul; Other
Eligibility: 1 Year to 55 Years
Enrollment: 748 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2009
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Heart Failure, Hypertension
Interventions: Not listed
Lead sponsor: Baxter Healthcare Corporation; Industry
Eligibility: 18 Years to 90 Years
Enrollment: 109 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015
U.S. locations: 1
States / cities: Imperial, California

Conditions: Arrhythmia Prophylaxis, Ventricular Arrhythmia
Interventions: Celivarone, Amiodarone, Matching placebo; Drug
Lead sponsor: Sanofi; Industry
Eligibility: 21 Years and older
Enrollment: 486 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 37
States / cities: Huntsville, Alabama • Mobile, Alabama • Mesa, Arizona + 33 more

Conditions: Heart Failure, Tachycardia, Ventricular
Interventions: Optimal placement of return pad; Other
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 18 Years and older
Enrollment: 167 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2016
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Tachycardia, Ventricular
Interventions: S-ICD System; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 18 Years and older
Enrollment: 330 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2013
U.S. locations: 28
States / cities: Scottsdale, Arizona • Los Angeles, California • Pasadena, California + 22 more

Conditions: Heart Failure
Interventions: Transthoracic Impedance; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 75 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2008
U.S. locations: 4
States / cities: Little Rock, Arkansas • Glendale, California • Browns Mills, New Jersey + 1 more

Conditions: Sudden Cardiac Arrest
Interventions: Nursing Telephone Support Protocol, Usual Care; Behavioral
Lead sponsor: National Institute of Nursing Research (NINR); NIH
Eligibility: 12 Years to 90 Years
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 1999 – 2004
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Heart Failure With Reduced Ejection Fraction (HFrEF), Sudden Cardiac Death, Ventricular Arrhythmia, Implantable Cardioverter Defibrillator (ICD), Beta-blocker Therapy, Cardiomyopathy
Interventions: Metoprolol Succinate, Carvedilol; Drug
Lead sponsor: University of Rochester; Other
Eligibility: 18 Years and older
Enrollment: 2,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2031
U.S. locations: 13
States / cities: Scottsdale, Arizona • Rome, Georgia • Shawnee Mission, Kansas + 9 more

Conditions: Heart Failure
Interventions: MADIT-CRT ICD, MADIT-CRT CRT-D; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 21 Years and older
Enrollment: 394 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Rochester, New York

Conditions: Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy
Interventions: Not listed
Lead sponsor: Johns Hopkins University; Other
Eligibility: 21 Years to 80 Years
Enrollment: 400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2030
U.S. locations: 2
States / cities: Newark, Delaware • Baltimore, Maryland

Conditions: Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
Interventions: Dual Chamber ICD, Single Chamber ICD; Device
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 90 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 2
States / cities: Jacksonville, Florida • Rochester, Minnesota

Conditions: Ventricular Tachycardia, Ischemic
Interventions: Drug Treatment, Catheter Ablation; Drug · Device
Lead sponsor: Biosense Webster, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 23
States / cities: Los Angeles, California • San Francisco, California • Aurora, Colorado + 14 more

Conditions: Heart Block, Bradycardia, Tachycardia, Arrhythmia
Interventions: MP3; Device
Lead sponsor: Boston Children's Hospital; Other
Eligibility: 4 Years to 55 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2008
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Cardiomyopathy, Heart Failure, Cardiac Arrhythmia
Interventions: Standard Defibrillation Testing, Upper Limit of Vulnerability Testing; Device
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2015
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Ventricular Tachycardia
Interventions: TPD RAMWare; Other
Lead sponsor: Medtronic Cardiac Rhythm and Heart Failure; Industry
Eligibility: 18 Years and older
Enrollment: 138 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 15
States / cities: Los Angeles, California • Des Moines, Iowa • Royal Oak, Michigan + 12 more

Conditions: Ventricular Tachycardia (VT)
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: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 6
States / cities: Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more

Conditions: Heart Failure, Congestive, Tachycardia, Ventricular
Interventions: RV apical vs RV septal defibrillation threshold testing; Device
Lead sponsor: Associates in Cardiology, PA; Other
Eligibility: 21 Years and older
Enrollment: 98 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: Silver Spring, Maryland

Conditions: Heart Disease, Cardiovascular Disease, Heart Failure, Arrhythmias, Cardiac
Interventions: Unpaired remote monitoring transmitter; Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Albuquerque, New Mexico

Conditions: Sudden Cardiac Death
Interventions: Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D); Device
Lead sponsor: Abbott Medical Devices; Industry
Eligibility: 18 Years and older
Enrollment: 217 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2008
U.S. locations: 2
States / cities: Birmingham, Alabama • Santa Monica, California

Conditions: Implantable Cardioverter-Defibrillators
Interventions: Not listed
Lead sponsor: Minneapolis Heart Institute Foundation; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Arrhythmia
Interventions: Amiodarone Plus Ranolazine, Amiodarone with Placebo; Drug
Lead sponsor: Hartford Hospital; Other
Eligibility: Not listed
Enrollment: 19 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Hartford, Connecticut

Conditions: Congestive Heart Failure
Interventions: Not listed
Lead sponsor: Southern New Jersey Cardiac Specialists; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2009
U.S. locations: 6
States / cities: Glendale, California • Voorhees Township, New Jersey • Roslyn, New York + 3 more

Conditions: Cardiomyopathy
Interventions: Three-lead CRT-D (Defibrillator); Device
Lead sponsor: University of Rochester; Other
Eligibility: 18 Years to 80 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2019
U.S. locations: 9
States / cities: Los Angeles, California • Washington D.C., District of Columbia • Tampa, Florida + 6 more

Conditions: Congestive Heart Failure, Sudden Cardiac Death, Arrhythmia, Cardiomyopathies
Interventions: Not listed
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years and older
Enrollment: 630 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2011
U.S. locations: 2
States / cities: Baltimore, Maryland • St Louis, Missouri

Search by objective public record fields.

Pediatric Lead Extractability and Survival Evaluation (PLEASE)

Necklace-Shaped Sensor for Non-Invasive Remote Monitoring of Vitals

Dose Ranging Study of Celivarone With Amiodarone as Calibrator for the Prevention of Implantable Cardioverter Defibrillator (ICD) Interventions or Death

Effects of Monopolar Electrocautery Use During Surgery on Implanted Cardiac Defibrillators

S-ICD® System IDE Clinical Study

Cardiac Resynchronization Therapy Defibrillator Based Impedance Monitoring Study

Nurses Helping Sudden Cardiac Arrest Survivors Recover After Getting An Implantable Cardioverter Defibrillator (ICD)

Comparative Effectiveness of Carvedilol Versus Metoprolol Succinate in Heart Failure Patients With an Implantable Cardioverter Defibrillator

Multicenter Automatic Defibrillator Implantation Trial With Cardiac Resynchronization Therapy Post Approval Registry

Left Ventricular Structural Predictors of Sudden Cardiac Death

The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock

Early Ablation Therapy for the Treatment of Ischemic Ventricular Tachycardia in Patients With Implantable Cardioverter Defibrillators

iPod and Other MP3 Players on ICDs and Pacemakers in Children

Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation

Tachy Prediction Download Study

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

Right Ventricular Defibrillation Lead Select Site Study

Remote Interrogation in Rural Emergency Departments

POWER (Pulse Width Optimized Waveform Evaluation Trial)

Deactivation of Implantable Cardioverter Defibrillator During Non-thoracic Surgical Procedures

The Adjunctive Ventricular Arrhythmia Suppression Trial (AVAST) Pilot

Does Lung Impedance Correlate With Changes in BNP in Stable and Acutely Decompensated Heart Failure Patients?

Multicenter Automatic Defibrillator Implantation Trial - Chemotherapy-Induced Cardiomyopathy

Study of the Implantable Cardioverter Defibrillator (ICD) Intracardiac Electrograms