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ClinicalTrials.gov public records Last synced May 22, 2026, 12:39 AM EDT

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

Showing 1–24 of 173 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Implantable Cardioverter Defibrillator (ICD) Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiac Rhythm Disorder
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
118
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 115 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced May 22, 2026, 12:39 AM EDT
Completed No phase listed Observational
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 12, 2017 · Synced May 22, 2026, 12:39 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Myocardial Infarction, Sudden Death
Interventions
Implantable Cardioverter Defibrillator + Usual Care, Usual care
Device · Other
Lead sponsor
University of Calgary
Other
Eligibility
18 Years to 80 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
29
States / cities
Huntsville, Alabama • Lakewood, Colorado • Tampa, Florida + 23 more
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced May 22, 2026, 12:39 AM EDT
Terminated Phase 3 Interventional Results available
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 May 22, 2026, 12:39 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bradycardia, Sudden Cardiac Arrest
Interventions
Remote Implant Support Capability
Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced May 22, 2026, 12:39 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Coronary Artery Disease, Hypertension, Dyslipidemia, Diabetes
Interventions
magnesium L-lactate
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced May 22, 2026, 12:39 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Heart Failure, Obesity
Interventions
Body Composition Analysis InBody Scale
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced May 22, 2026, 12:39 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ventricular Tachycardia (V-Tach), Implantable Cardioverter Defibrillator (ICD), Arrythmia
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 9, 2023 · Synced May 22, 2026, 12:39 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Medtronic 4195 active fixation LV lead and Medtronic passive fixation LV lead
Device
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Plano, Texas
Source: ClinicalTrials.gov public record
Updated May 25, 2014 · Synced May 22, 2026, 12:39 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Communication, Heart Failure
Interventions
Communication training for cardiologists., Control arm
Behavioral · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
562 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
6
States / cities
Denver, Colorado • New Haven, Connecticut • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced May 22, 2026, 12:39 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Heart Failure
Interventions
Automated HF/EP Referral, Placebo (Registry Arm)
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced May 22, 2026, 12:39 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Implantable Cardioverter Defibrillators, CRT-D Cardiac Resynchronization Therapy Defibrillator
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
51
States / cities
Birmingham, Alabama • Glendale, Arizona • Tucson, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2022 · Synced May 22, 2026, 12:39 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Cardiac Patients, Implantable Cardioverter Defibrillator
Interventions
Teaching Intervention
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced May 22, 2026, 12:39 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Arrhythmia
Interventions
Azimilide Dihydrochloride, placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
633 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
78
States / cities
Mobile, Alabama • Mesa, Arizona • Little Rock, Arkansas + 67 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2011 · Synced May 22, 2026, 12:39 AM EDT
Terminated Phase 3 Interventional
View directory record Official record
Conditions
Arrhythmias, Cardiac, Heart Diseases, Cardiovascular Diseases, Implantable Cardioverter Defibrillator
Interventions
Azimilide Dihydrochloride, Placebo
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
83
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 72 more
Source: ClinicalTrials.gov public record
Updated May 5, 2013 · Synced May 22, 2026, 12:39 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Heart Arrest, Implantable Defibrillator User, Physical Activity
Interventions
E-ICD Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced May 22, 2026, 12:39 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced May 22, 2026, 12:39 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
BAY2413555 Dose 1, BAY2413555 Dose 2, Placebo to BAY2413555
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 79 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia • Silver Spring, Maryland • Camp Hill, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced May 22, 2026, 12:39 AM EDT
Recruiting No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced May 22, 2026, 12:39 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
ICD implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
3,290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
13
States / cities
Portland, Maine • Baltimore, Maryland • Boston, Massachusetts + 10 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 12:39 AM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced May 22, 2026, 12:39 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Ventricular Arrhythmias
Interventions
Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
24
States / cities
Little Rock, Arkansas • Glendale, California • Inglewood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2006 · Synced May 22, 2026, 12:39 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Heart Failure and Reduced Ejection Fraction
Interventions
Online, patient-facing decision-making aid (app) with personalized risk information., Implantable Cardioverter Defibrillator (ICD), Online, patient-facing decision-making app without personalized risk information.
Other · Device
Lead sponsor
Stanford University
Other
Eligibility
60 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Francisco, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 22, 2026, 12:39 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Implanted With Any Currently (and Any Future) FDA-approved Medtronic ICD or CRT Device, to Which is Attached a St. Jude Riata Lead
Interventions
fluoroscopy, synchronized high-voltage shock, Holter monitor
Procedure
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced May 22, 2026, 12:39 AM EDT