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ClinicalTrials.gov public records Last synced May 22, 2026, 12:43 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.
Local D1 index available.
Filters: Condition: ICD Clear all
Withdrawn Phase 2 Interventional
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 May 22, 2026, 12:43 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, 12:43 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Cardiomyopathies, Cardiac Death, Sudden
Interventions
Subcutaneous ICD with same day discharge
Device
Lead sponsor
Emile Daoud, MD
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced May 22, 2026, 12:43 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, 12:43 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, 12:43 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, 12:43 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, 12:43 AM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Not listed
Lead sponsor
Harbinger Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
4
States / cities
Phoenix, Arizona • Wichita, Kansas • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2007 · Synced May 22, 2026, 12:43 AM EDT
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, 12:43 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Lysosomal Storage Disease, Peroxisomal Disorder
Interventions
Campath-1H, Clofarabine, Melphalan, Total Body Irradiation with Marrow Boosting, Hematopoietic stem cell transplantation, Cyclosporine A, Mycophenolate mofetil
Drug · Radiation · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced May 22, 2026, 12:43 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, 12:43 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, 12:43 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, 12:43 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, 12:43 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, 12:43 AM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
HER2-positive Breast Cancer, Male Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
HER-2/neu peptide vaccine, leukapheresis, ex vivo-expanded HER2-specific T cells, cyclophosphamide, sargramostim, laboratory biomarker analysis
Biological · Procedure · Drug + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced May 22, 2026, 12:43 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, 12:43 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, 12:43 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiac Surgical Procedures
Interventions
Not listed
Lead sponsor
St. Paul Heart Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 25, 2010 · Synced May 22, 2026, 12:43 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, 12:43 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, 12:43 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, 12:43 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, 12:43 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, 12:43 AM EDT