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Showing 1–24 of 187 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Implantable Cardioverter Defibrillators Clear all
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 13, 2014 · Synced Jun 26, 2026, 2:45 AM EDT
Completed Phase 2 Interventional Results available

Evaluating Ventricular Arrhythmia in Subjects With Implantable Cardioverter Defibrillator or Cardiac Resynchronization Therapy-Defibrillator

NCT02104583
View directory record Official record
Conditions
Ventricular Arrhythmia
Interventions
Eleclazine, Placebo to match eleclazine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 80 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
37
States / cities
Mesa, Arizona • Long Beach, California • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Jun 26, 2026, 2:45 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 19, 2026 · Synced Jun 26, 2026, 2:45 AM EDT
Withdrawn Phase 2 Interventional

Trial to Determine Imaging Parameters of LMI1195 in Heart Failure Patients at Low and High Risk of Defibrillator Firing

NCT01085175
View directory record Official record
Conditions
Heart Failure
Interventions
LMI 1195
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Jun 26, 2026, 2:45 AM EDT
Completed Phase 4 Interventional

Optimal Anti-tachycardia Therapy in Implantable Cardioverter-defibrillator (ICD) Patients Without Pacing Indications

NCT00729703
View directory record Official record
Conditions
Tachycardia
Interventions
OVATIO DR 6550
Device
Lead sponsor
LivaNova
Industry
Eligibility
18 Years and older
Enrollment
462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
5
States / cities
Atlanta, Georgia • Decatur, Georgia • Mandeville, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2015 · Synced Jun 26, 2026, 2:45 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 14, 2019 · Synced Jun 26, 2026, 2:45 AM EDT
Terminated Not applicable Interventional Results available

Effect of Posture on Left Ventricular (LV) Transvenous Lead Capture Thresholds (EXPECT)

NCT01520714
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 25, 2014 · Synced Jun 26, 2026, 2:45 AM EDT
Recruiting Not applicable Interventional

Effectiveness of Exercise After an ICD

NCT03544489
View directory record Official record
Conditions
Heart Arrest, Implantable Defibrillator User, Physical Activity
Interventions
E-ICD Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Jun 26, 2026, 2:45 AM EDT
Terminated Not applicable Interventional Results available

Pediatric Lead Extractability and Survival Evaluation (PLEASE)

NCT00335036
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome, Congenital Heart Disease
Interventions
ICD lead implant, Thin leads
Device
Lead sponsor
Charles Berul
Other
Eligibility
1 Year to 55 Years
Enrollment
748 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jun 26, 2026, 2:45 AM EDT
Completed No phase listed Observational

Implantable Cardiac Defibrillators for the Prevention of Sudden Death in Patients With Cardiac Sarcoidosis

NCT01013311
View directory record Official record
Conditions
Sarcoidosis of the Heart, Cardiomyopathy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced Jun 26, 2026, 2:45 AM EDT
Terminated Not applicable Interventional Results available

Bispectral Index Monitoring During Testing in the Electrophysiology Lab

NCT00749671
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Jun 26, 2026, 2:45 AM EDT
Completed No phase listed Observational

Global Electrical Heterogeneity and Clinical Outcomes

NCT03210883
View directory record Official record
Conditions
Heart Failure, Implantable Defibrillator User, Ventricular Arrythmia
Interventions
Not listed
Lead sponsor
Larisa Tereshchenko
Other
Eligibility
18 Years to 89 Years
Enrollment
3,471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
6
States / cities
Los Angeles, California • Stanford, California • Aurora, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Jun 26, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Same Day Discharge (SDD) After Implantable Cardioverter Defibrillator (ICD) Implant

NCT01993862
View directory record Official record
Conditions
Heart Failure, Coronary Artery Disease
Interventions
Same Day Discharge
Other
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
28
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2019 · Synced Jun 26, 2026, 2:45 AM 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 27, 2009 · Synced Jun 26, 2026, 2:45 AM EDT
Completed Not applicable Interventional

Improvement in Clinical Outcomes in Heart Failure Patients With ICDs That Practice Meditation

NCT00611260
View directory record Official record
Conditions
Congestive Heart Failure, Cardiac Resynchronization Therapy
Interventions
Vipassana Meditation practice and instruction, Standard Medical Care
Behavioral · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jun 26, 2026, 2:45 AM EDT
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 6, 2016 · Synced Jun 26, 2026, 2:45 AM EDT
Terminated Phase 4 Interventional Results available

Early Ablation Therapy for the Treatment of Ischemic Ventricular Tachycardia in Patients With Implantable Cardioverter Defibrillators

NCT01557842
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic
Interventions
Drug Treatment, Catheter Ablation
Drug · Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
23
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Jun 26, 2026, 2:45 AM 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 18, 2013 · Synced Jun 26, 2026, 2:45 AM 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 12, 2016 · Synced Jun 26, 2026, 2:45 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 3, 2019 · Synced Jun 26, 2026, 2:45 AM 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 21, 2019 · Synced Jun 26, 2026, 2:45 AM 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 6, 2026 · Synced Jun 26, 2026, 2:45 AM 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 13, 2024 · Synced Jun 26, 2026, 2:45 AM EDT
Completed No phase listed Observational

Diagnostic Investigation of Sudden Cardiac Event Risk

NCT00500708
View directory record Official record
Conditions
Arrhythmia, Cardiovascular Diseases, Heart Failure, CVD
Interventions
Not listed
Lead sponsor
CardioDx
Industry
Eligibility
18 Years to 90 Years
Enrollment
1,564 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
8
States / cities
Anchorage, Alaska • Palo Alto, California • Minneapolis, Minnesota + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2017 · Synced Jun 26, 2026, 2:45 AM EDT