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ClinicalTrials.gov public records Last synced Oct 13, 2026, 4:21 PM EDT

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Showing 145–165 of 165 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Implantable Cardioverter-defibrillators (ICDs) Clear all
Recruiting Not applicable Interventional

VAPORHCS/OHSU J: MRI and Devices

NCT03915015
View directory record Official record
Conditions
MRI
Interventions
MRI
Diagnostic Test
Lead sponsor
Oregon Health and Science University
Other
Eligibility
9 Years to 99 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2030
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Deactivation of Implantable Cardioverter Defibrillator During Non-thoracic Surgical Procedures

NCT00806377
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 31, 2017 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Not applicable Interventional Results available

Educational Videos to Address Racial Disparities in Implantable Cardioverter Defibrillator Therapy

NCT02819973
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 21, 2021 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Study Evaluating the Use of MRI on CMS Patients

NCT02513056
View directory record Official record
Conditions
Pacemaker, Implantable Cardioverter Defibrillators
Interventions
MRI
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
872 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Phase 4 Interventional Results available

Truncal Ultrasound Guided Regional Anesthesia for Implantation and Revision of Automatic Implantable Cardioverter Defibrillators (AICDs) and Pacemakers in Pediatric Patients

NCT04184349
View directory record Official record
Conditions
Analgesia After Pacemaker, AICDS Implantation Pediatrics
Interventions
LA group, B Group
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
0 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Phase 4 Interventional

Reduce Ventricular Pacing in Dual Chamber Implantable Cardioverter Defibrillators Using AutoIntrinsic Conduction Search Study

NCT00187239
View directory record Official record
Conditions
Arrhythmia
Interventions
Autointrinsic Conduction Search Algorithm
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Pomona, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Study of the Implantable Cardioverter Defibrillator (ICD) Intracardiac Electrograms

NCT00916435
View directory record Official record
Conditions
Congestive Heart Failure, Sudden Cardiac Death, Arrhythmia, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 21, 2015 · Synced Oct 13, 2026, 4:21 PM EDT
Recruiting No phase listed Observational

Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products

NCT00271180
View directory record Official record
Conditions
Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
Interventions
Device
Device
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1983 – 2040
U.S. locations
113
States / cities
Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Safety of Sports for Patients With Implantable Cardioverter-Defibrillators

NCT00637754
View directory record Official record
Conditions
Heart Arrhythmias
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
10 Years to 60 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
31
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2015 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Not applicable Interventional Results available

Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation

NCT02111993
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 22, 2019 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Not applicable Interventional Results available

ENABLE MRI (Magnetic Resonance Imaging)

NCT02652481
View directory record Official record
Conditions
Magnetic Resonance Imaging
Interventions
ImageReady MR Conditional Defibrillation System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
34
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Pasadena, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 13, 2026, 4:21 PM EDT
Recruiting Not applicable Interventional

Remote Alert Pathway To Optimize CaRe of Cardiac Implantable Electrical Devices

NCT06937658
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 7, 2026 · Synced Oct 13, 2026, 4:21 PM EDT
Completed Phase 2 Interventional Results available

Pilot Randomized Trial With Flecainide in ARVC Patients

NCT03685149
View directory record Official record
Conditions
Arrhythmogenic Right Ventricular Cardiomyopathy
Interventions
Flecainide Pill, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
6
States / cities
Denver, Colorado • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

iPod and Other MP3 Players on ICDs and Pacemakers in Children

NCT00542854
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 28, 2009 · Synced Oct 13, 2026, 4:21 PM EDT
Terminated No phase listed Observational

Study of Paced QRS Duration as a Marker of Sudden Cardiac Death

NCT01948206
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Not listed
Lead sponsor
Pocono Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
East Stroudsburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2016 · Synced Oct 13, 2026, 4:21 PM EDT
Withdrawn Not applicable Interventional

Dance4Healing: Explore the Benefits of Tele-Dance in Individuals with an Implantable Cardioverter-defibrillator (ICD)

NCT04678128
View directory record Official record
Conditions
ICD, Anxiety, Patient Engagement
Interventions
Dance4Healing Telehealth Live Zoom Sessions, Dance Buddy
Behavioral
Lead sponsor
Sanjiv Narayan, MD, PhD
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Oct 13, 2026, 4:21 PM EDT
Terminated Not applicable Interventional

Automated MEdical Record Driven Implantable CArdioverter-defibrillator Heart Failure Trial (AMERICA-HF)

NCT01807130
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 10, 2014 · Synced Oct 13, 2026, 4:21 PM EDT
Withdrawn Not applicable Interventional

Anti-arrhythmic Medication v. MRI-Merge Ablation in the Treatment of Ventricular Tachycardia

NCT00721032
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
MRI guided VT ablation, Increased dose of amiodarone
Procedure · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Automated Cardioverter Defibrillator in Children

NCT00268021
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 2, 2014 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

Parallel Mapping for Ventricular Tachycardia

NCT04477499
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 10, 2023 · Synced Oct 13, 2026, 4:21 PM EDT
Completed No phase listed Observational

LONGEVITY Study. Evaluation of the Device and Battery Longevity of Boston Scientific Market-released ICD and CRT-D Devices

NCT02091011
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 2, 2022 · Synced Oct 13, 2026, 4:21 PM EDT