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ClinicalTrials.gov public records Last synced May 22, 2026, 1:26 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Implantable Cardioverter Defibrillator (ICD) Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Heart Failure, Systolic, Heart Failure
Interventions
Educational video and/or handout
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 7, 2022 · Synced May 22, 2026, 1:26 AM EDT
Not yet recruiting Phase 2 Interventional
View directory record Official record
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
2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
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 May 22, 2026, 1:26 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Congestive Heart Failure, Atrial Arrhythmia, Atrial Tachyarrhythmia, Atrial Fibrillation
Interventions
Cardiac Resynchronization Therapy+Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
30
States / cities
Anchorage, Alaska • Phoenix, Arizona • Santa Monica, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2008 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Sudden Cardiac Death, Heart Failure
Interventions
Educational Video1, Educational Video 2, Usual Care 3
Other
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
343 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
14
States / cities
San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 4 Interventional Results available
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 2, 2013 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Catecholaminergic Polymorphic Ventricular Tachycardia
Interventions
Flecainide Acetate, Placebo, Beta blocker
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 99 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
10
States / cities
Los Angeles, California • Orange, California • New York, New York + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced May 22, 2026, 1:26 AM EDT
Terminated No phase listed Observational Results available
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 May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Tachycardia, Diabetes Mellitus, Cardiovascular Disease
Interventions
Subcutaneous Implantable Cardioverter Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
36
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Jonesboro, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Phase 4 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced May 22, 2026, 1:26 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Myocardial Infarction, Arrhythmia, Ventricular, Ischemic Cardiomyopathy
Interventions
T Wave Alternans Test
Procedure
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
47
States / cities
Mobile, Alabama • Phoenix, Arizona • Walnut Creek, California + 44 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2008 · Synced May 22, 2026, 1:26 AM EDT
Recruiting Not applicable Interventional
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 May 22, 2026, 1:26 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
amiodarone, sotalol, Biosense Webster's NAVI-STAR Thermo-Cool
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Baltimore, Maryland • Durham, North Carolina • Columbus, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2014 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced May 22, 2026, 1:26 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 4, 2007 · Synced May 22, 2026, 1:26 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter, Stroke, Embolism, Systemic Arterial, Major Bleeding
Interventions
Home Monitoring Guided OAC, Physician-Directed OAC
Drug
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
73
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Anaheim, California + 70 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced May 22, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Heart Failure
Interventions
LMI 1195-101
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
2
States / cities
Hartford, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 15, 2020 · Synced May 22, 2026, 1:26 AM EDT
Not listed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 18, 2007 · Synced May 22, 2026, 1:26 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced May 22, 2026, 1:26 AM EDT
Completed No phase listed Observational
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 May 22, 2026, 1:26 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy, Heart Failure
Interventions
Ranolazine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
1,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
83
States / cities
Tucson, Arizona • Little Rock, Arkansas • East Palo Alto, California + 70 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced May 22, 2026, 1:26 AM EDT