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ClinicalTrials.gov public records Last synced Sep 4, 2026, 4:33 AM EDT

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

Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Conditions
Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
Interventions
RF Assure Scanning
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Conditions
Ventricular Fibrillation, Ventricular Tachycardia, Low Cardiac Output
Interventions
EMBLEM S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
1,173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
69
States / cities
Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 62 more
Conditions
Cardiomyopathies, Heart Rate, Conditioning
Interventions
novel atrial pacing approach, sham pacing approach
Other
Lead sponsor
Denise Hodgson-Zingman
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Heart Failure, Systolic, Left Ventricular Assist Device, ICD
Interventions
ICD programming
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Pacemaker, Implantable Defibrillator
Interventions
Alert-based care, Guideline-based Care
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Heart Failure
Interventions
Ultra Conservative ICD Programming, Traditional ICD Programming
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Shock
Interventions
ICD/ CRT-D
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cardiomyopathy
Interventions
Nominal T shock setting, Educated T shock setting
Device
Lead sponsor
James Merrill
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Kingsport, Tennessee
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
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
Completed No phase listed Observational

MAVRIC VR ICD Registry

NCT00270933
Conditions
Ventricular Tachycardia, Ventricular Fibrillation
Interventions
Registry
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
742 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
81
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Little Rock, Arkansas + 78 more
Conditions
Primary Prevention of Sudden Cardiac Arrest
Interventions
Standard ICD programming, High rate cutoff, Long delay
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
21 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Rochester, New York