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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Implantable Defibrillator User Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Advancing Understanding of Transportation Options

NCT04141891
View directory record Official record
Conditions
Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
Interventions
Driving Decision Aid, Older Drivers Website
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Jul 21, 2026, 4:53 AM EDT
Completed Not applicable Interventional Results available

A Clinical Evaluation of the Durata or Optisure High Voltage Leads and Ellipse VR ICD Undergoing MRI, an IDE Study

NCT02787291
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Ellipse VR ICD and Durata/Optisure lead
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
26
States / cities
Phoenix, Arizona • Bakersfield, California • La Jolla, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Jul 21, 2026, 4:53 AM EDT
Terminated No phase listed Observational Results available

Protego DF4 Post Approval Registry

NCT02243696
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,694 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
68
States / cities
Gadsden, Alabama • Avondale, Arizona • Glendale, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2020 · Synced Jul 21, 2026, 4:53 AM 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 Jul 21, 2026, 4:53 AM EDT
Active, not recruiting Not applicable Interventional

Assessment of Combined CCM and ICD Device in HFrEF

NCT05855135
View directory record Official record
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, Implantable Defibrillator User, CCM Therapy, Non-ischemic Cardiomyopathy, Ischemic Cardiomyopathy, Sudden Cardiac Arrest, Arrhythmias, Cardiac, Ventricular Tachycardia, Ventricular Fibrillation
Interventions
OPTIMIZER® Integra CCM-D System (Treatment Arm)
Device
Lead sponsor
Impulse Dynamics
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
59
States / cities
Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 21, 2026, 4:53 AM EDT
Recruiting Not applicable Interventional

Self-Management Interventions After an ICD Shock

NCT06037785
View directory record Official record
Conditions
Implantable Defibrillator User, Stress Reaction, Ptsd, Stress Management, Social Cognitive Theory
Interventions
Self-Paced Self-Management (SPSM)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Jul 21, 2026, 4:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

GAMification to Encourage End-Of-Life Discussions Between ICD Patients and Caregivers

NCT04994782
View directory record Official record
Conditions
Implantable Defibrillator User, Terminal Illness
Interventions
GAME-EOL
Behavioral
Lead sponsor
Debra Moser
Other
Eligibility
18 Years to 99 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Jul 21, 2026, 4:53 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 Jul 21, 2026, 4:53 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 Jul 21, 2026, 4:53 AM EDT
Completed No phase listed Observational

Assessment of S-ICD Eligibility With 12-Lead ECG

NCT03209726
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Larisa Tereshchenko
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 28, 2021 · Synced Jul 21, 2026, 4:53 AM EDT
Enrolling by invitation No phase listed Observational

TRAjectories and CLinical ExpeRiences of ICD Therapy Study

NCT05116176
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Implantable cardioverter-defibrillators
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
65 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 21, 2026, 4:53 AM EDT
Completed No phase listed Observational

Analysis of Both Sex and Device Specific Factors on Outcomes in Patients with Non-Ischemic Cardiomyopathy

NCT03884608
View directory record Official record
Conditions
Cardiomyopathies, Gender, Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Biotronik, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
49
States / cities
Birmingham, Alabama • Fairhope, Alabama • Rancho Mirage, California + 41 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Jul 21, 2026, 4:53 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 Jul 21, 2026, 4:53 AM EDT
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 Jul 21, 2026, 4:53 AM EDT