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ClinicalTrials.gov public records Last synced Oct 3, 2026, 7:29 PM EDT

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Showing 25–48 of 212 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Implantable cardioverter-defibrillators Clear all
Terminated Not applicable Interventional Results available

DEfibrillators To REduce Risk by MagnetIc ResoNance Imaging Evaluation

NCT00487279
View directory record Official record
Conditions
Coronary Artery Disease, Left Ventricular Dysfunction, Sudden Cardiac Death
Interventions
Defibrillator, Control
Device · Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
56
States / cities
Anchorage, Alaska • Tucson, Arizona • Glendale, California + 42 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Oct 3, 2026, 7:29 PM EDT
Completed No phase listed Observational

Precision Event Monitoring for Patients With Heart Failure Using HeartLogic

NCT03579641
View directory record Official record
Conditions
Heart Failure, Defibrillators, Implantable, Monitoring, Physiologic, Cardiac Resynchronization Therapy, Cardiovascular Disease, Heart Disease
Interventions
HeartLogic Sensors
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
2,184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
56
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 3, 2026, 7:29 PM EDT
Completed No phase listed Observational

Extension Phase of the Chronicle® Offers Management to Patients With Advanced Signs & Symptoms of Heart Failure Study

NCT00991120
View directory record Official record
Conditions
Heart Failure
Interventions
Chronicle Implantable Hemodynamic Monitor (IHM) System, Chronicle Implantable Cardioverter Defibrillator (ICD)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
19
States / cities
Birmingham, Alabama • Springfield, Illinois • Fort Wayne, Indiana + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2017 · Synced Oct 3, 2026, 7:29 PM EDT
Not listed Not applicable Interventional

Natural History of COVID-19-Related Atrial Fibrillation

NCT04830774
View directory record Official record
Conditions
COVID-19, Atrial Fibrillation New Onset
Interventions
ILR, PMK, ICD
Device
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Kansas City, Kansas • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 3, 2026, 7:29 PM EDT
Terminated Phase 3 Interventional Results available

AV Node Ablation and Pacemaker Therapy Compared to Drug Therapy for Atrial Fibrillation - Pilot Study

NCT00589303
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure
Interventions
FDA approved rate and rhythm control drugs, AV Node ablation and device implant
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
5
States / cities
Scottsdale, Arizona • Evansville, Indiana • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 3, 2026, 7:29 PM EDT
Not listed Not applicable Interventional

Cardiac Magnetic Resonance Imaging After Cardiac Resynchronization Therapy

NCT03183011
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
MRI
Other
Lead sponsor
Kenneth Bilchick, MD
Other
Eligibility
25 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 3, 2026, 7:29 PM EDT
Not listed Phase 1 Interventional

MYOHEART™ (Myogenesis Heart Efficiency and Regeneration Trial)

NCT00054678
View directory record Official record
Conditions
Congestive Heart Failure, Coronary Artery Disease, Myocardial Infarction
Interventions
MyoCell™, MyoCath™
Drug · Device
Lead sponsor
Bioheart, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
5
States / cities
Sunrise, Florida • Atlanta, Georgia • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2007 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional

MASTER I - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients

NCT00305240
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 13, 2008 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Phase 1 Interventional

A Phase I Study to Assess the Electrophysiologic Effects of BMS-394136 on the Atrium and Ventricle in Patients With Dual-Chamber Pacemakers or Defibrillators

NCT00162448
View directory record Official record
Conditions
Heart Diseases
Interventions
BMS-394136, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
3
States / cities
Salisbury, Maryland • Ann Arbor, Michigan • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 20, 2008 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional

Syngery-Evaluating the Impact of Decision Aid

NCT03832868
View directory record Official record
Conditions
Implantable Cardioverter-defibrillators (ICDs)
Interventions
Pre-visit timing of receipt of the ICDs implantation decision aid, Post-visit timing of receipt of the ICDs implantation decision aid
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Phase 4 Interventional Results available

POWER (Pulse Width Optimized Waveform Evaluation Trial)

NCT00311181
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Implantable Cardioverter Defibrillator (ICD), Cardiac Resynchronization Therapy (CRT-D)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Birmingham, Alabama • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional

A Randomized Trial of Remote Monitoring of Implantable Cardioverter Defibrillators Versus Quarterly Device Interrogations in Clinic

NCT00606567
View directory record Official record
Conditions
Tachycardia, Ventricular, Ventricular Fibrillation
Interventions
Methods for monitoring patients with ICD's
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Oct 3, 2026, 7:29 PM EDT
Recruiting No phase listed Observational

Pacemaker and Defibrillator Lead Extraction Registry

NCT03847025
View directory record Official record
Conditions
Lead Extraction Procedures
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Multicenter Automatic Defibrillator Implantation Trial With Subcutaneous Implantable Cardioverter Defibrillator

NCT02787785
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 22, 2024 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional

Barriers to Use of Remote Monitoring in Patients With Implantable Cardioverter Defibrillators

NCT02361333
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 17, 2018 · Synced Oct 3, 2026, 7:29 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 3, 2026, 7:29 PM EDT
Completed No phase listed Observational

Sensing Atrial High Rate Episodes With Implantable Cardioverter-Defibrillators Trial (The SENSE Trial)

NCT02186704
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
ICD with DX system
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
8
States / cities
Birmingham, Alabama • Boston, Massachusetts • New York, New York + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional

The Adjunctive Ventricular Arrhythmia Suppression Trial (AVAST) Pilot

NCT01480336
View directory record Official record
Conditions
Arrhythmia
Interventions
Amiodarone Plus Ranolazine, Amiodarone with Placebo
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
Not listed
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 19, 2013 · Synced Oct 3, 2026, 7:29 PM EDT
Active, not recruiting No phase listed Observational

Factors Associated With Response to Cardiac Resynchronization Therapy in Heart Failure Patients With Non-LBBB ECG Pattern

NCT06977217
View directory record Official record
Conditions
Cardiomyopathies, Heart Failure, Non-left Bundle Branch Block, Cardiac Resynchronization Therapy
Interventions
CRT-D implantation
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 3, 2026, 7:29 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 3, 2026, 7:29 PM EDT
Not yet recruiting Not applicable Interventional

Early Feasibility Study of 3930M Defibrillation Lead Implantation Via the Middle Cardiac Vein in Patients With Tricuspid Valve Regurgitation

NCT07811609
View directory record Official record
Conditions
Defibrillator, Tricuspid Valve Regurgitation
Interventions
Defibrillator
Device
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Reducing Decompensation Events Utilizing Intracardiac Pressures in Patients With Chronic Heart Failure (HF) (REDUCEhf)

NCT00354159
View directory record Official record
Conditions
Heart Failure
Interventions
Implantable Hemodynamic Monitor (Chronicle® IHM), and IHM in combination with single chamber ICD (Chronicle ICD)
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
52
States / cities
Birmingham, Alabama • La Jolla, California • Loma Linda, California + 43 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2012 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Phase 2 Interventional

Double Blind Placebo Controlled Dose Ranging Study of the Efficacy and Safety of SSR149744c 100 or 300 mg for the Prevention of ventrICular ARrhythmia-triggered Icd interventiOnS

NCT00232297
View directory record Official record
Conditions
Arrhythmia, Tachycardia, Ventricular, Ventricular Fibrillation
Interventions
SSR149744C
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Oct 3, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Safety and Clinical Performance of the Protecta ICD and CRT-D

NCT00982397
View directory record Official record
Conditions
Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
Interventions
Protecta VR-ICD, Protecta DR-ICD or CRT-D
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
Not listed
Enrollment
2,770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
29
States / cities
Birmingham, Alabama • Mesa, Arizona • Fort Smith, Arkansas + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 3, 2026, 7:29 PM EDT