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ClinicalTrials.gov public records Last synced Oct 5, 2026, 11:47 PM EDT

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Showing 49–72 of 212 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Implantable cardioverter-defibrillators Clear all
Completed No phase listed Observational

Brain Perfusion and Hemodynamic Stability in Patients Undergoing Radiofrequency Ablation of Ventricular Tachycardia

NCT01695551
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Data Collection Forms
Other
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Oct 5, 2026, 11:47 PM EDT
Not listed Phase 1 Interventional

Autologous Cultured Myoblasts (BioWhittaker) Transplanted Via Myocardial Injection

NCT00050765
View directory record Official record
Conditions
Congestive Heart Failure, Coronary Artery Disease, Myocardial Infarction
Interventions
MyoCell™ Autologous Myoblasts
Drug
Lead sponsor
Bioheart, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Atlanta, Georgia • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2006 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Not applicable Interventional

Same Day Discharge (SDD) After Implantable Cardioverter Defibrillator (ICD) Implant

NCT01993862
View directory record Official record
Conditions
Heart Failure, Coronary Artery Disease
Interventions
Same Day Discharge
Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
28
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational Results available

SJ4 Post Approval Study in Implantable Cardioverter-Defibrillator and Cardiac Resynchronization Therapy Defibrillator Patients

NCT00940888
View directory record Official record
Conditions
Tachyarrhythmias, Sudden Cardiac Death, Heart Failure
Interventions
SJ4 connector and RV high voltage SJ4 lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Not applicable Interventional

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

NCT02026102
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational Results available

Medtronic Shock-Less Study on Physician Utilization of Shock Reduction Programming

NCT00856349
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Therapy Programming Report (TPR)
Behavioral
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
4,384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
83
States / cities
Anniston, Alabama • Phoenix, Arizona • Tucson, Arizona + 80 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Oct 5, 2026, 11:47 PM EDT
Recruiting No phase listed Observational

Implantable Cardioverter Defibrillator (ICD Registry)

NCT01999140
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 4 Interventional Results available

POWER (Pulse Width Optimized Waveform Evaluation Trial)

NCT00311181
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational

Implantable Cardioverter Defibrillator (ICD) Function During Ventricular Assist Device (VAD) Implantation

NCT01576562
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 8, 2017 · Synced Oct 5, 2026, 11:47 PM EDT
Terminated Not applicable Interventional Results available

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

NCT02121158
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 1 Interventional

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

NCT00226681
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 10, 2008 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 2 Interventional

Exercise After an ICD

NCT00522340
View directory record Official record
Conditions
Defibrillators, Implantable, Heart Failure, Congestive
Interventions
Aerobic Exercise Program
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 10, 2014 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational Results available

Tachy Prediction Download Study

NCT03402126
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational Results available

Educational Videos to Improve Patient Decision Making and Race Disparities in Implantable Cardioverter Defibrillator Use

NCT00918125
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
19 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Burlington, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational

The Implantable Cardioverter-defibrillators (ICD)/Device Expectations, Adaptations, and Successes Study

NCT01040988
View directory record Official record
Conditions
Depression, Anxiety, Post-traumatic Stress Disorder
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 20 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 5, 2026, 11:47 PM EDT
Recruiting No phase listed Observational

ASSURE WCD Clinical Evaluation - Post Approval Study (ACE-PAS)

NCT05135403
View directory record Official record
Conditions
Sudden Cardiac Arrest
Interventions
Defibrillation
Device
Lead sponsor
Kestra Medical Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,179 participants
Timeline
2021 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 2 Interventional Results available

Pilot Randomized Trial With Flecainide in ARVC Patients

NCT03685149
View directory record Official record
Conditions
Arrhythmogenic Right Ventricular Cardiomyopathy
Interventions
Flecainide Pill, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
6
States / cities
Denver, Colorado • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 2 Interventional

Patient and Partner Intervention After an Implantable Cardioverter Defibrillator (ICD)

NCT01252615
View directory record Official record
Conditions
Implantable Cardioverter Defibrillator (ICD)
Interventions
patient only, patient and partner intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Not applicable Interventional Results available

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

NCT00354159
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 9, 2012 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 2Phase 3 Interventional

A Mindfulness-based Intervention for Treatment of Anxiety in ICD (Implantable Cardioverter Defibrillator) Patients

NCT01035294
View directory record Official record
Conditions
Anxiety Disorder in Conditions Classified Elsewhere
Interventions
mindfulness based intervention (MBI), usual care
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
21 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 30, 2012 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Phase 4 Interventional Results available

OptiVol® Care Pathway

NCT00847288
View directory record Official record
Conditions
Heart Failure
Interventions
Monthly Review Arm, Quarterly Review Arm
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
108
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 105 more
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 5, 2026, 11:47 PM EDT
Completed Not applicable Interventional Results available

Evaluation of ACUITY™ X4 Quadripolar Coronary Venous Leads and RELIANCE™ 4-FRONT Defibrillation Leads

NCT02071173
View directory record Official record
Conditions
Cardiac Resynchronization Therapy
Interventions
ACUITY X4 quadripolar coronary venous lead and RELIANCE 4-FRONT defibrillation lead
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
96
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anchorage, Alaska + 85 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 5, 2026, 11:47 PM EDT
Not listed Not applicable Interventional

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

NCT01296022
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 5, 2026, 11:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transvenous Lead Removal Post-Market Clinical Study

NCT03688412
View directory record Official record
Conditions
Cardiac Electrophysiology
Interventions
Cook lead extraction devices
Device
Lead sponsor
Cook Research Incorporated
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
6
States / cities
San Francisco, California • Urbana, Illinois • Raleigh, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Oct 5, 2026, 11:47 PM EDT