Clinical trials: ICD
Coronary Heart Disease, Congestive Heart Failure
Standard Drug Therapy vs. Implanted Defibrillator for Primary Prevention of Sudden Cardiac Death
Recent ACC/AHA/ESC guidelines recommend prophylactic ICD implantation in most patients with coronary heart disease and LVEF < 40%.
- Conditions
- Coronary Heart Disease, Congestive Heart Failure, Ventricular Dysfunction, Low Cardiac Output
- Trial name
- SMART-ICD (NCT00524862)
- Testing
- Optimized medical therapy, Implantable Cardioverter Defibrillator
- Where
- 10 sites in Canada
- Volunteers
- 5,000 people
- Sponsor
- Unity Health Toronto
Ventricular Tachycardia, Ventricular Fibrillation
Pediatric Lead Extractability and Survival Evaluation (PLEASE)
This is a randomized, prospective clinical trial comparing 2 different types of implantable cardioverter defibrillator (ICD) leads in children and patients with congenital heart disease.
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome
- Trial name
- NCT00335036
- Testing
- ICD lead implant, Thin leads
- Where
- United States
- Volunteers
- 748 people
- Sponsor
- Charles Berul
Cardiomyopathy, Coronary Artery Disease
Efficacy and Safety of Implantable Cardioverter-Defibrillator (ICD) Implantation in the Elderly
The overall aim of this trial is to study the safety and efficacy of ICD implantation as a primary prevention strategy of sudden cardiac death in patients 70 years and older.
- Conditions
- Cardiomyopathy, Coronary Artery Disease, Congestive Heart Failure, Myocardial Infarction
- Trial name
- I-70 (NCT02121158)
- Testing
- Implantable Cardioverter Defibrillator, Optimal Medical Therapy
- Where
- 5 sites in United States
- Volunteers
- 167 people
- Sponsor
- VA Office of Research and Development
Acute STEMI, Severe Left Ventricular Systolic Dysfunction (Disorder)
Use of Cardiac MRI in Early Stages of STEMI to Predict Left Ventricular Function Recovery and ICD Implantation
Patients presenting with STEMI and late revascularization can suffer from severe left ventricular dysfunction. Midterm and longterm mortality can be determined by the risk of fatal ventricular arrythmias.
- Trial name
- STEMI-MR (NCT03743935)
- Testing
- Gadolinium-enhanced cardiac MRI
- Where
- France
- Volunteers
- 12 people
- Sponsor
- University Hospital, Montpellier
Myocardial Infarction, Arrhythmia, Ventricular
MASTER I - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients
The purpose of the study is to determine the usefulness of microvolt T wave alternans (MTWA) testing of patients that have had a heart attack and have decreased pumping ability of the lower chamber of their heart.
- Conditions
- Myocardial Infarction, Arrhythmia, Ventricular, Ischemic Cardiomyopathy
- Trial name
- NCT00305240
- Testing
- T Wave Alternans Test
- Where
- 47 sites in United States
- Volunteers
- 656 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Cardiovascular Disease
Medtronic Shock-Less Study on Physician Utilization of Shock Reduction Programming
The purpose of this clinical trial is to determine whether periodic therapy programming reports illustrating physician usage of shock reduction programming can increase utilization of recommended programming guidelines for…
- Trial name
- NCT00856349
- Testing
- Therapy Programming Report (TPR)
- Where
- 104 sites in United States, Argentina and 10 more
- Volunteers
- 4,384 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure
Ablation vs Amiodarone for Treatment of AFib in Patients With CHF and an ICD
1. To determine if catheter-based atrial fibrillation (AF) ablation is superior to Amiodarone treatment for symptomatic persistent/permanent AF in ICD/CRTD patients with an impaired left ventricular function. 2.
- Trial name
- NCT00729911
- Testing
- Atrial Fibrillation ablation, Amiodarone
- Where
- United States
- Volunteers
- 203 people
- Sponsor
- Texas Cardiac Arrhythmia Research Foundation
Implantable Cardioverter Defibrillator (ICD)
Patient-Reported Quality of Life in Patients With an Implantable-Cardioverter Defibrillator - A Cross-Sectional Observational Study
Patients at risk for life-threatening arrhythmias are eligible for the implantation of an implantable cardioverter-defibrillator (ICD), which has repeatedly shown improved survival.
- Trial name
- QoL-ICD I (NCT06654232)
- Testing
- quality of life questionnaires
- Where
- Belgium
- Volunteers
- 731 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Heart Failure
Safety and Efficacy Study of the QuickFlex Micro Model 1258T Left Heart Pacing Lead
This is a prospective, multi-center non-randomized clinical study to evaluate the safety and efficacy of the QuickFlex Micro Model 1258T left ventricular lead in a heart failure patient population.
- Trial name
- NCT00763698
- Testing
- QuickFlex Micro Model 1258T Left Heart Lead
- Where
- 13 sites in United States
- Volunteers
- 86 people
- Sponsor
- Abbott Medical Devices
ICD
Nursing Interventions Following Sudden Cardiac Arrest
Determine the benefits of implantable cardioverter defibrillator (ICD) patients participating in a structured, 8-week educational telephone intervention delivered by expert cardiovascular nurses post-ICD.
- Trial name
- NCT04462887
- Testing
- Nursing intervention program
- Volunteers
- 168 people
- Sponsor
- University of Washington
Heart Failure, Obesity
Safety of Body Composition Analysis in Heart Failure Patients With Implantable Cardioverter Defibrillators (ICDs)
The purpose of this study is to define the safety of using bioimpedance for analysis of body composition in heart failure patients with ICD devices.
- Trial name
- NCT01568606
- Testing
- Body Composition Analysis InBody Scale
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of California, Los Angeles
Tachycardia, Ventricular
Boston Scientific Post Market Subcutaneous-Implantable Cardioverter Defibrillator (S-ICD) Registry
The EFFORTLESS ICD Registry is an observational, standard of care evaluation designed to demonstrate the early, mid and long-term clinical effectiveness the Boston Scientific S-ICD System.
- Trial name
- EFFORTLESS (NCT01085435)
- Testing
- S-ICD System
- Where
- 44 sites in Czechia, Denmark and 8 more
- Volunteers
- 994 people
- Sponsor
- Boston Scientific Corporation
Heart Failure, Systolic
Patient and Physician Survey Determinants of Appropriate ICD Utilization
To better understand the reasons for underutilization of defibrillator therapy in selected populations, the investigators propose a study to assess heart failure patient knowledge and attitudes toward device therapy.
- Trial name
- NCT01514773
- Where
- United States
- Volunteers
- 452 people
- Sponsor
- Todd M Koelling, MD
Defibrillators, Implantable
Patient Expectations After Implantable-cardioverter Defibrillator (ICD) Implantation
This study will be a qualitative survey to understand the expectations of defibrillator patients with regards to their device. It is unknown what ICD (implantable-cardioverter defibrillator) patients understand about their device…
- Trial name
- NCT00845390
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of California, San Francisco
Arrhythmia, Tachycardia, Ventricular
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
Primary objective: to assess the efficacy of SSR149744C for the prevention of ventricular arrhythmia-triggered ICD interventions.
- Conditions
- Arrhythmia, Tachycardia, Ventricular, Ventricular Fibrillation
- Trial name
- ICARIOS (NCT00232297)
- Testing
- SSR149744C
- Where
- 8 sites in United States, Belgium and 6 more
- Volunteers
- 153 people
- Sponsor
- Sanofi
Patent Foramen Ovale, Cardiac Implantable Electronic Device
Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli
Patients with a patent foramen ovale in the setting of endocardially placed cardiac implantable electronic devices such as pacemakers, defibrillators, or resynchronization therapies are likely at higher risk for paradoxical…
- Trial name
- PARADOX (NCT02378623)
- Testing
- Apixaban
- Where
- United States
- Sponsor
- Mayo Clinic
Arrhythmia, Bradycardia
Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products
The main purpose of the Product Performance Report (formerly referred to as System Longevity Study) is to evaluate long-term performance of Medtronic market-released cardiac rhythm products by analyzing product survival…
- Conditions
- Arrhythmia, Bradycardia, Heart Failure, Sinus Tachycardia
- Trial name
- PPR (NCT00271180)
- Testing
- Device
- Where
- 333 sites in United States, Australia and 33 more
- Volunteers
- 20,000 people
- Sponsor
- Medtronic
Heart Failure, Congestive
X-Change HF - Exchange of the Existing Pacemaker/ICD in Bradycardia Patients Suffering From Heart Failure
The goal of X-Change HF is to estimate the effect of biventricular stimulation in patients who need antibradycardia ventricular stimulation (more than 80%); are eligible for the exchange of an old pacemaker or implantable…
- Trial name
- NCT00157846
- Testing
- CRT-P or CRT-D Device
- Where
- 10 sites in Germany
- Volunteers
- 36 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Arrhythmias, Cardiac
Full Early Atrial Diagnostics in Single Chamber ICD Patients Using the DX Lead and Home Monitoring in Brazil.
To demonstrate the value and benefits of BIOTRONIK's exclusive DX technology in assessing the incidence of supraventricular arrhythmias, mainly atrial fibrillation (AF), in patients with an indication for single chamber ICDs.
- Trial name
- SAFE-DX-Home (NCT04869527)
- Testing
- BIOTRONIK ICDs with DX Technology
- Where
- 2 sites in Brazil
- Volunteers
- 56 people
- Sponsor
- Biotronik SE & Co. KG
Heart Failure
Prospective Randomized Evaluation of an Ultra Conservative Approach to Implantable Defibrillator (ICD) Programming in Patients With a Left Ventricular Assist Device (LVAD).
We propose to study a strategy empirically applied for the past 6 months at a high volume LVAD center (Vanderbilt Heart and Vascular Institute).
- Trial name
- NCT01977703
- Testing
- Ultra Conservative ICD Programming, Traditional ICD Programming
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Vanderbilt University Medical Center