Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:24 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
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
Completed No phase listed Observational Results available

Precise Measurement of Pediatric Defibrillation Thresholds

NCT01043562
Conditions
Pediatrics, Defibrillators, Implantable
Interventions
Defibrillator threshold testing, Observation of post-shock intrinsic cardiac rhythm
Diagnostic Test · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Tachycardia, Ventricular
Interventions
Bispectral index monitoring, Ramsey Sedation Scale
Device · Other
Lead sponsor
Baystate Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Springfield, Massachusetts
Conditions
Heart Failure, Congestive, Tachycardia, Ventricular
Interventions
RV apical vs RV septal defibrillation threshold testing
Device
Lead sponsor
Associates in Cardiology, PA
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Silver Spring, Maryland
Conditions
Ventricular Arrhythmias
Interventions
Defibrillation testing
Device
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Camden, New Jersey • Seattle, Washington
Completed No phase listed Observational

iBeat Wristwatch Validation Study

NCT03711695
Conditions
Arrythmia, Cardiac
Interventions
iBeat wristwatch device
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 85 Years
Enrollment
55 participants
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Conditions
Sudden Cardiac Death
Interventions
Cardiac Resynchronization Therapy - Defibrillator (CRT-D)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Santa Monica, California • Colorado Springs, Colorado