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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:02 AM EDT

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Showing 193–216 of 253 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: ICD Clear all
Completed No phase listed Observational

Enhancing Knowledge Implantable Cardioverter-Defibrillators (ICDs)

NCT00822965
View directory record Official record
Conditions
Pacemaker, Implantable Cardioverter-Defibrillators
Interventions
Questionnaires, Phone Interviews, Educational Packet
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 21, 2026, 7:02 AM EDT
Not listed No phase listed Observational

Electrophysiologic and Morphologic Assessment of the Substrate to Guide Implantation of Defibrillators in Dilated Cardiomyopathy

NCT01378572
View directory record Official record
Conditions
Dilated Cardiomyopathy, Primary Prevention of Sudden Cardiac Death, Implantable Cardioverter Defibrillator
Interventions
Not listed
Lead sponsor
Catholic University of the Sacred Heart
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Oct 21, 2026, 7:02 AM 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 21, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Remote Device Interrogation In The Emergency Department

NCT01871090
View directory record Official record
Conditions
Heart Disease, Cardiovascular Disease, Heart Failure, Arrhythmias, Cardiac
Interventions
Unpaired remote monitoring transmitter
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Zanesville, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 21, 2026, 7:02 AM 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 21, 2026, 7:02 AM EDT
Recruiting No phase listed Observational

Left Ventricular Structural Predictors of Sudden Cardiac Death

NCT01076660
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2030
U.S. locations
2
States / cities
Newark, Delaware • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Not applicable Interventional

Postcards to Improve Remote Monitoring Connectivity Among Veterans With a Disconnected CIED

NCT07477964
View directory record Official record
Conditions
ICD, Pacemaker, Implanted Loop Recorder, Remote Monitoring, Adherence, Patient
Interventions
Tailored Postcards
Other
Lead sponsor
San Francisco VA Health Care System
Federal
Eligibility
Not listed
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 21, 2026, 7:02 AM EDT
Terminated Phase 1 Interventional

A Study to Learn How Safe Study Drug BAY2413555 is, How it Affects the Body, and How it Moves Into, Through, and Out of the Body Over 4 Weeks of Use in Participants With Heart Failure and Implanted Cardiac Defibrillator or Cardiac Resynchronization Devices (ICD/CRT)

NCT05532046
View directory record Official record
Conditions
Chronic Heart Failure
Interventions
BAY2413555 Dose 1, BAY2413555 Dose 2, Placebo to BAY2413555
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 79 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia • Silver Spring, Maryland • Camp Hill, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 21, 2026, 7:02 AM EDT
Completed No phase listed Observational

DF4 Connector System Post-Approval Study

NCT01638897
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death, Heart Failure
Interventions
Not listed
Lead sponsor
Medtronic
Industry
Eligibility
Not listed
Enrollment
1,778 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
72
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 69 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 21, 2026, 7:02 AM EDT
Terminated Not applicable Interventional Results available

Pilot Study of Catheter Ablation for Ventricular Tachycardia in Patients With an Implantable Cardioverter Defibrillator

NCT01576042
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
amiodarone, sotalol, Biosense Webster's NAVI-STAR Thermo-Cool
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Baltimore, Maryland • Durham, North Carolina • Columbus, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2014 · Synced Oct 21, 2026, 7:02 AM EDT
Completed No phase listed Observational Results available

SJ4 Post Approval Study in Implantable Cardioverter-Defibrillator and Cardiac Resynchronization Therapy Defibrillator Patients

NCT00940888
View directory record Official record
Conditions
Tachyarrhythmias, Sudden Cardiac Death, Heart Failure
Interventions
SJ4 connector and RV high voltage SJ4 lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,701 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 21, 2026, 7:02 AM EDT
Active, not recruiting Not applicable Interventional

ASCEND CSP IDE Study

NCT06830746
View directory record Official record
Conditions
Heart Failure, Ventricular Arrythmia
Interventions
LBBAP Implant with a CSP ICD Lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years to 99 Years
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
16
States / cities
Huntsville, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Understanding Outcomes With the EMBLEM™ S-ICD in Primary Prevention Patients With Low Ejection Fraction

NCT02433379
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Phase 2 Interventional

Dose Ranging Study of Celivarone With Amiodarone as Calibrator for the Prevention of Implantable Cardioverter Defibrillator (ICD) Interventions or Death

NCT00993382
View directory record Official record
Conditions
Arrhythmia Prophylaxis, Ventricular Arrhythmia
Interventions
Celivarone, Amiodarone, Matching placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
37
States / cities
Huntsville, Alabama • Mobile, Alabama • Mesa, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated May 30, 2016 · Synced Oct 21, 2026, 7:02 AM 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 21, 2026, 7:02 AM EDT
Active, not recruiting Not applicable Interventional Results available

Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing

NCT04798768
View directory record Official record
Conditions
Tachycardia, Ventricular, Arrhythmia, Ventricular
Interventions
mCRM Therapy System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
18
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jonesboro, Arkansas + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 7:02 AM EDT
Completed No phase listed Observational

Technology Dependency and Health-Related Quality of Life

NCT00022984
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

Same Day Subcutaneous ICD And Send Home (DASH)

NCT03504839
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 23, 2021 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Phase 4 Interventional Results available

OptiVol® Care Pathway

NCT00847288
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 3, 2013 · Synced Oct 21, 2026, 7:02 AM 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 21, 2026, 7:02 AM EDT
Completed Phase 3 Interventional

Long Term Safety of 125 mg Per Day of Oral Azimilide in Patients With Implantable Cardioverter Defibrillator (ICDs)

NCT00751738
View directory record Official record
Conditions
Arrhythmias
Interventions
azimilide dihydrochloride
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
50
States / cities
Mobile, Alabama • Little Rock, Arkansas • La Jolla, California + 43 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Oct 21, 2026, 7:02 AM EDT
Withdrawn Not applicable Interventional

Clonidine to Prevent Implantable Cardiovertor Defibrillator Firing

NCT00585871
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
clonidine, metoprolol
Drug
Lead sponsor
James Martins
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 24, 2018 · Synced Oct 21, 2026, 7:02 AM EDT
Completed Not applicable Interventional Results available

S-ICD® System IDE Clinical Study

NCT01064076
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
S-ICD System
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
28
States / cities
Scottsdale, Arizona • Los Angeles, California • Pasadena, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Oct 21, 2026, 7:02 AM EDT
Completed No phase listed Observational

INSIGHTS ICD Registry

NCT00279968
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation
Interventions
ICD
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
1,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
44
States / cities
Little Rock, Arkansas • Fountain Valley, California • Poway, California + 41 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2007 · Synced Oct 21, 2026, 7:02 AM EDT