Clinical trials: Defibrillators
Congestive Heart Failure, Atrial Arrhythmia, Atrial Tachyarrhythmia, Atrial Fibrillation
Clinical Investigation of the Medtronic Concerto™ Device
Heart failure is a progressive disease that decreases the pumping action of the heart. This may cause a backup of fluid in the heart and may result in heart beat changes.
- Trial name
- NCT00268320
- Testing
- Cardiac Resynchronization Therapy+Implantable Cardioverter Defibrillator
- Where
- 51 sites in United States, Austria and 10 more
- Volunteers
- 270 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Liver Cirrhosis
The Use of Fibroscan to Assess Liver Fibrosis in Patients With Cardiac Pacemakers
This study is designed to determine if the Fibroscan (Echosens, Paris), a non-invasive, ultrasound-based device used to estimate fibrosis in patients with chronic liver disease, interferes with implanted cardiac pacemaker and/or…
- Trial name
- NCT02415348
- Testing
- Fibroscan
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- University of Saskatchewan
Out-Of-Hospital Cardiac Arrest
iGOGO -Assessment of CPR Skill,Willingness and Public AED in Layperson:A Cohort Study
Out-of-hospital cardiac arrest (OHCA) is an important public health issue. Chang Gung Memorial Hospital, a university affiliated medical center in Taoyuan city, northern Taiwan, actively cooperated with government policy with 250…
- Trial name
- NCT05659108
- Testing
- CPR
- Where
- Taiwan
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Tachycardia, Ventricular Fibrillation
Safety and Performance Study of the RELIANCE 4-Front Passive Fixation Lead
The objective of this study is to gather data to establish the chronic safety, performance and effectiveness of the RELIANCE 4-FRONT™ Passive Fixation Defibrillation Leads.
- Conditions
- Tachycardia, Ventricular Fibrillation, Ventricular Flutter
- Trial name
- NCT01856491
- Testing
- RELIANCE 4-FRONT™ Passive Fixation lead implantation
- Where
- 11 sites in Germany, Israel and 1 more
- Volunteers
- 167 people
- Sponsor
- Boston Scientific Corporation
Ventricular Fibrillation, Ventricular Tachycardia
Further Acute Research of a Subcutaneous Implantable Defibrillator (S-ICD) System
The purpose is to further evaluate the operation, safety, and feasibility of a subcutaneous implantable defibrillator (S-ICD) system in patients who require an implantable cardioverter defibrillator (ICD)for treating ventricular…
- Trial name
- NCT00399217
- Testing
- Subcutaneous Implantable Defibrillator (S-ICD) system, ICD
- Where
- United Kingdom
- Volunteers
- 55 people
- Sponsor
- Boston Scientific Corporation
Implantable Defibrillator User
A Clinical Evaluation of the Durata or Optisure High Voltage Leads and Ellipse VR ICD Undergoing MRI, an IDE Study
To demonstrate safety and efficacy of the Durata or Optisure high voltage lead and Ellipse VR ICD in an MRI environment.
- Trial name
- MRI Ready IDE (NCT02787291)
- Testing
- Ellipse VR ICD and Durata/Optisure lead
- Where
- 32 sites in United States, Hungary and 3 more
- Volunteers
- 227 people
- Sponsor
- Abbott Medical Devices
Implantable Cardioverter Defibrillator(ICD)
To Evaluate the Delivery Timing Safety and Efficacy of AntiTachycardia Pacing (BIO|ATP)
To compare Treatment Group (settings of Early Multiple ATP) and Control Group (settings of extended detection time for the conventional ATP) in Japanese patients, and confirm their safety and efficacy
- Trial name
- BIO|ATP (NCT05426785)
- Testing
- 1:1 ratio for Treatment Group and Control Group
- Where
- Japan
- Volunteers
- 398 people
- Sponsor
- Biotronik SE & Co. KG
Heart Failure, Dilated Cardiomyopathy
Efficacy of Implantable Cardioverter Defibrillator in Patients With Non-ischemic Systolic Heart Failure on Mortality
Primary objective: The primary objective of this study is to determine the efficacy of ICD therapy compared with control on the endpoint of death from any cause.
- Conditions
- Heart Failure, Dilated Cardiomyopathy, Reduced LVEF
- Trial name
- DANISH (NCT00541268)
- Testing
- ICD, Optimal medical treatment
- Where
- 4 sites in Denmark
- Volunteers
- 1,116 people
- Sponsor
- Danish Study Group
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
Arrhythmia, Defibrillators, Implantable
Omega 3 Polyunsaturated Fatty Acid Supplements (PUFAs) and Microvolt T Wave Alternans (TWA) in Patients With Ventricular Arrhythmia
This is a hypothesis testing study, the hypothesis being that dietary supplements of n-PUFAs concentrates are anti-arrhythmic in ventricular arrhythmic substrates.
- Trial name
- NCT00507390
- Testing
- n-3 polyunsaturated fatty acids (PUFAs), olive oil
- Where
- United Kingdom
- Sponsor
- University of Dundee
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
Arrythmia, Implatable Cardioverter Defibrillation, Lead
Safety and Electrical Performances Evaluation of Navigo Leads Equipped With IS4 Connector
The primary objective of this study is to assess the safety and electrical performance of Left ventricular (LV) NAVIGO 4LV leads, pre-shaped (S-shaped\&U-shaped: NAVIGO 4LV 2D, NAVIGO 4LV ARC) and Straight (NAVIGO 4LV PILOT)…
- Trial name
- NAVIGATOR (NCT03279484)
- Testing
- NAVIGO 4LV lead implant
- Where
- 38 sites in France, Germany and 4 more
- Volunteers
- 317 people
- Sponsor
- MicroPort CRM
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, 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