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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Defibrillator Clear all
Terminated No phase listed Observational Results available

Plexa ICD Lead Registry

NCT03103503
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
28
States / cities
Fairhope, Alabama • Los Angeles, California • Rancho Mirage, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Sep 2, 2026, 5:58 PM 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 2, 2013 · Synced Sep 2, 2026, 5:58 PM EDT
Not listed No phase listed Observational

Does Lung Impedance Correlate With Changes in BNP in Stable and Acutely Decompensated Heart Failure Patients?

NCT00560339
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Not listed
Lead sponsor
Southern New Jersey Cardiac Specialists
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
6
States / cities
Glendale, California • Voorhees Township, New Jersey • Roslyn, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2007 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional

An Intervention to Improve Implantable Cardioverter-Defibrillator Deactivation Conversations

NCT01459744
View directory record Official record
Conditions
Communication, Heart Failure
Interventions
Communication training for cardiologists., Control arm
Behavioral · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
562 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
6
States / cities
Denver, Colorado • New Haven, Connecticut • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Sep 2, 2026, 5:58 PM EDT
Completed No phase listed Observational

Surface ECG Signal Recording for the Implantable Subcutaneous String Defibrillator (ISSD) Detection Algorithm Performance Assessment

NCT03408951
View directory record Official record
Conditions
Tachyarrhythmia, Arrhythmias, Cardiac
Interventions
Recording
Other
Lead sponsor
NewPace Ltd
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional

The Efficacy of Single Coil Defibrillation Leads for Internal Cardioversion of Atrial Fibrillation

NCT03164395
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Internal Cardioversion, External Cardioversion
Procedure
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 99 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Phase 2 Interventional

Sleep and Ventricular Arrhythmias Study

NCT02232204
View directory record Official record
Conditions
Cardiac Arrhythmia, Implantable Defibrillator User, Insomnia
Interventions
CBT for Insomnia in ICD Patients (CBT-I-ICD)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Phase 4 Interventional

Apixaban for the Reduction of Thrombo-Embolism in Patients With Device-Detected Sub-Clinical Atrial Fibrillation

NCT01938248
View directory record Official record
Conditions
Atrial Fibrillation, Stroke
Interventions
Apixaban, aspirin
Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
55 Years and older
Enrollment
4,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
23
States / cities
Mesa, Arizona • Little Rock, Arkansas • Larkspur, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 2, 2026, 5:58 PM EDT
Terminated Not applicable Interventional Results available

ST Monitoring to Detect Acute Coronary Syndrome Events in Implantable Cardioverter Defibrillator Patients

NCT01424722
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Fortify® ST, Fortify Assura® ST, Ellipse® ST family of devices
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
2,258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
97
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mesa, Arizona + 85 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 2, 2026, 5:58 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 30, 2017 · Synced Sep 2, 2026, 5:58 PM EDT
Terminated Phase 4 Interventional Results available

Combined Use of BIOTRONIK Home Monitoring and Predefined Anticoagulation to Reduce Stroke Risk

NCT00559988
View directory record Official record
Conditions
Atrial Fibrillation, Atrial Flutter, Stroke, Embolism, Systemic Arterial, Major Bleeding
Interventions
Home Monitoring Guided OAC, Physician-Directed OAC
Drug
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
73
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Anaheim, California + 70 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 2, 2026, 5:58 PM EDT
Recruiting Not applicable Interventional

Paced Heart Rate Acceleration for Cardiac Conditioning

NCT06332391
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Exercise-similar cardiac pacing, Sham cardiac pacing
Device
Lead sponsor
Denice Hodgson-Zingman, MD
Other
Eligibility
18 Years to 120 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Phase 4 Interventional Results available

The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock

NCT00787800
View directory record Official record
Conditions
Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
Interventions
Dual Chamber ICD, Single Chamber ICD
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Sep 2, 2026, 5:58 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 19, 2008 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional Results available

Comparison of VF Induction Techniques During Medtronic ICD Implant (VF) (ICD)

NCT02027883
View directory record Official record
Conditions
Cardiomyopathy
Interventions
Nominal T shock setting, Educated T shock setting
Device
Lead sponsor
James Merrill
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Kingsport, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Phase 3 Interventional Results available

Implantable Cardioverter-Defibrillator Use in the VA System

NCT01217827
View directory record Official record
Conditions
Cardiomyopathies
Interventions
Clinical Reminder
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Sep 2, 2026, 5:58 PM EDT
Completed No phase listed Observational

Air Pollution and Implantable Cardioverter Defibrillators

NCT00015574
View directory record Official record
Conditions
Arrythmias
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
0 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional

Clinical Investigation of the Medtronic EnTrust™ Implantable Cardioverter Defibrillator (ICD), Model D153ATG

NCT00273195
View directory record Official record
Conditions
Ventricular Arrhythmias
Interventions
Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
24
States / cities
Little Rock, Arkansas • Glendale, California • Inglewood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2006 · Synced Sep 2, 2026, 5:58 PM EDT
Not yet recruiting Not applicable Interventional

Cardiac Anodal Biphasic Pacing

NCT07173777
View directory record Official record
Conditions
Cardiac Pacing
Interventions
Cardiac Waveform Generator
Device
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 2, 2026, 5:58 PM 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 Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional

Clinical Investigation of the Medtronic Concerto™ Device

NCT00268320
View directory record Official record
Conditions
Congestive Heart Failure, Atrial Arrhythmia, Atrial Tachyarrhythmia, Atrial Fibrillation
Interventions
Cardiac Resynchronization Therapy+Implantable Cardioverter Defibrillator
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
30
States / cities
Anchorage, Alaska • Phoenix, Arizona • Santa Monica, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2008 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Not applicable Interventional Results available

Heart Rate Response to Regadenoson and Sudden Cardiac Death

NCT01842035
View directory record Official record
Conditions
Left Ventricular Systolic Dysfunction, Sudden Cardiac Death
Interventions
regadenoson
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Sep 2, 2026, 5:58 PM EDT
Completed Phase 1 Interventional Results available

Automatic External Defibrillation Monitoring in Cardiac Arrest

NCT00382928
View directory record Official record
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Ventricular
Interventions
Defibrillation of pulseless VT/VF by AECD
Device
Lead sponsor
Foundation for Atlanta Veterans Education and Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Sep 2, 2026, 5:58 PM EDT
Terminated Not applicable Interventional Results available

Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets

NCT00674128
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Cyanoacrylate tissue adhesive (Dermabond), Polyglactin 910 suture (Vicryl)
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 28, 2010 · Synced Sep 2, 2026, 5:58 PM EDT