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Showing 1–24 of 252 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: ICD Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Breathing Intervention for Cardiac Anxiety

NCT02916550
View directory record Official record
Conditions
Atrial Fibrillation, Implantable Cardioverter Defibrillator
Interventions
Breathing exercise
Behavioral
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 21, 2026, 11:16 AM EDT
Terminated Phase 3 Interventional

ALD-101 Adjuvant Therapy of Unrelated Umbilical Cord Blood Transfusion (UCBT) in Patients With Inherited Metabolic Diseases

NCT00654433
View directory record Official record
Conditions
Inherited Metabolic Diseases, Lysosomal Storage Disorders, Peroxisomal Storage Diseases, Inborn Errors of Metabolism, Mucopolysaccharidosis
Interventions
ALD-101
Biological
Lead sponsor
Aldagen
Industry
Eligibility
Up to 16 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Los Angeles, California • New York, New York • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2014 · Synced Jul 21, 2026, 11:16 AM EDT
Not listed Not applicable Interventional

Cardiac Magnetic Resonance Imaging After Cardiac Resynchronization Therapy

NCT03183011
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
MRI
Other
Lead sponsor
Kenneth Bilchick, MD
Other
Eligibility
25 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Phase 4 Interventional

Ablation vs Amiodarone for Treatment of AFib in Patients With CHF and an ICD

NCT00729911
View directory record Official record
Conditions
Heart Failure
Interventions
Atrial Fibrillation ablation, Amiodarone
Procedure · Drug
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Jul 21, 2026, 11:16 AM EDT
Terminated Phase 3 Interventional Results available

International Study to Determine if AdreView Heart Function Scan Can be Used to Identify Patients With Mild or Moderate Heart Failure (HF) That Benefit From Implanted Medical Device

NCT02656329
View directory record Official record
Conditions
Heart Failure
Interventions
Iobenguane I -123 Injection, Implantable Cardioverter Defibrillator, Thyroid blocking
Drug · Device
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
29
States / cities
Birmingham, Alabama • Bakersfield, California • La Mesa, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Jul 21, 2026, 11:16 AM EDT
Completed No phase listed Observational

Implantable Cardiac Defibrillators for the Prevention of Sudden Death in Patients With Cardiac Sarcoidosis

NCT01013311
View directory record Official record
Conditions
Sarcoidosis of the Heart, Cardiomyopathy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced Jul 21, 2026, 11:16 AM EDT
Completed No phase listed Observational

Technology Dependency and Health-Related Quality of Life

NCT00022984
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 11:16 AM 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 2, 2014 · Synced Jul 21, 2026, 11:16 AM EDT
Terminated Not applicable Interventional Results available

Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets

NCT00674128
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Cyanoacrylate tissue adhesive (Dermabond), Polyglactin 910 suture (Vicryl)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 28, 2010 · Synced Jul 21, 2026, 11:16 AM 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 30, 2019 · Synced Jul 21, 2026, 11:16 AM 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 17, 2024 · Synced Jul 21, 2026, 11:16 AM 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 19, 2024 · Synced Jul 21, 2026, 11:16 AM EDT
Completed No phase listed Observational Results available

S-ICD® System Post Approval Study

NCT01736618
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Phase 2 Interventional

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

NCT00993382
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 29, 2016 · Synced Jul 21, 2026, 11:16 AM EDT
Recruiting Not applicable Interventional

Remote Alert Pathway To Optimize CaRe of Cardiac Implantable Electrical Devices

NCT06937658
View directory record Official record
Conditions
Pacemaker DDD, Implantable Defibrillator User
Interventions
Alert-based care, Guideline-based care
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Not applicable Interventional Results available

Confirmatory Clinical Trial of the Evera MRI System for Conditionally-safe MRI Access

NCT02117414
View directory record Official record
Conditions
Implantable Defibrillator
Interventions
MRI scan sequences of the head and chest regions, Waiting Period Visit
Device · Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
25
States / cities
Salinas, California • Stanford, California • Hartford, Connecticut + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2016 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Not applicable Interventional

Postcards to Improve Remote Monitoring Connectivity Among Veterans With a Disconnected Monitor

NCT07464834
View directory record Official record
Conditions
ICD, Pacemaker, Implanted Loop Recorder, Remote Monitoring, Adherence, Patient
Interventions
Tailored Postcard
Other
Lead sponsor
San Francisco VA Health Care System
Federal
Eligibility
Not listed
Enrollment
2,726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Jul 21, 2026, 11:16 AM EDT
Terminated No phase listed Observational Results available

Plexa ICD Lead Registry

NCT03103503
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
28
States / cities
Fairhope, Alabama • Los Angeles, California • Rancho Mirage, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Jul 21, 2026, 11:16 AM 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 7, 2017 · Synced Jul 21, 2026, 11:16 AM 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 9, 2014 · Synced Jul 21, 2026, 11:16 AM EDT
Withdrawn Phase 2 Interventional

Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli

NCT02378623
View directory record Official record
Conditions
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Interventions
Apixaban, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Phase 4 Interventional

Antiarrhythmics or Ablation for Ventricular Tachycardia 2

NCT02830360
View directory record Official record
Conditions
Ventricular Tachycardia (VT)
Interventions
Antiarrythmic Drug Therapy, Catheter ablation
Drug · Procedure
Lead sponsor
John Sapp
Other
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
2
States / cities
Hartford, Connecticut • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Jul 21, 2026, 11:16 AM EDT
Completed Not applicable Interventional

Interventional Study of Anxiety Symptoms in the Implantable Cardioverter Defibrillator (ICD) Patient

NCT00851071
View directory record Official record
Conditions
Anxiety
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Jul 21, 2026, 11:16 AM EDT
Active, not recruiting No phase listed Observational

Enlighten Study: The EV-ICD Post Approval Registry

NCT06048731
View directory record Official record
Conditions
Ventricular Arrhythmia, Tachycardia
Interventions
Defibrillation using EV-ICD
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2037
U.S. locations
57
States / cities
Huntington Park, California • Redwood City, California • San Diego, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jul 21, 2026, 11:16 AM EDT