Clinical trials: ICD Malfunction
ICD Malfunction, Sudden Cardiac Death
S-ICD Electrode Registry
The subcutaneous implantable cardioverter defibrillator (S-ICD) is established in the prevention of sudden cardiac death, but recently a defect of the electrode's Sense-B component was reported in some patients.
- Trial name
- NCT05713708
- Where
- Germany
- Volunteers
- 1,000 people
- Sponsor
- Universitätsklinikum Köln
Cardiovascular Diseases, Arrhythmias, Cardiac
Multicenter Evaluation of Patients Using LATITUDE Monitoring System
The Multitude is a registry of patients who receive commercially available CIEDs that remotely communicate through the LATITUDE monitoring system and transfer data to a central database.
- Conditions
- Cardiovascular Diseases, Arrhythmias, Cardiac, Heart Failure, Sudden Cardiac Death
- Trial name
- Multitude (NCT06311149)
- Where
- 3 sites in Italy
- Volunteers
- 20,000 people
- Sponsor
- University Hospital of Ferrara
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
Ventricular Tachycardia, Ventricular Fibrillation
DAVID II (Dual Chamber and VVI Implantable Defibrillator (DAVID) Trial II)
The DAVID II Clinical Study evaluates the hypothesis that, in patients needing an ICD but without overt indications for pacing, AAI pacing with maximal concomitant drug therapy will not increase the rate of the combined endpoint…
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death, Congestive Heart Failure
- Trial name
- DAVIDII (NCT00187187)
- Testing
- Implantable Defibrillator (ICD)
- Volunteers
- 600 people
- Sponsor
- Abbott Medical Devices
Heart Failure, CRT and/or ICD
Evaluation of Electrical and Hemodynamic Effects of Different Pacing Strategies in CRT Candidates
Heart failure patients with delayed electrical activation of the heart often benefit from cardiac resynchronization therapy (CRT). However, traditional CRT using biventricular pacing is not effective in all patients.
- Trial name
- NCT07032064
- Testing
- Sequential ventricular pacing at five sites
- Where
- China
- Volunteers
- 28 people
- Sponsor
- Shanghai Zhongshan Hospital
Congestive Heart Failure
Compassionate Use Study of 125 mg Per Day of Azimilide Dihydrochloride in One Patient
This is an open-label, long term compassionate use study of 125 mg per day of azimilide 2HCl in a patient who completed two other protocols (2000098 and 2001060.
- Trial name
- NCT00752596
- Testing
- Azimilide 2HCl
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Forest Laboratories
Ventricular Fibrillation, Ventricular Tachycardia
Implantable Cardioverter Defibrillator (ICD) Support Groups and Veterans
In this study, we will compare the quality of life in veterans having ICD who attend the ICD support groups to those who do not.
- Conditions
- Ventricular Fibrillation, Ventricular Tachycardia, Sudden Cardiac Death
- Trial name
- NCT00846417
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Emory University
Arrhythmia, Sinus Node Disease
PANORAMA Observational Study
To construct a computerized database of national profiles and epidemiological data on patients wearing Medtronic implantable pacemakers and cardioverter defibrillators (both with or without cardiac resynchronization therapy)…
- Conditions
- Arrhythmia, Sinus Node Disease, Heart Failure, Heart Block
- Trial name
- NCT00382525
- Testing
- Cardiac Rhythm Management device
- Where
- 27 sites in Belgium, India and 4 more
- Volunteers
- 8,586 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Ventricular Tachycardia, Ventricular Fibrillation
DF4 Connector System Post-Approval Study
The purpose of this study is to evaluate long-term performance of the DF4 Connector System. This evaluation is based on the number of DF4 lead-related complications occurring during the study compared to the number of leads…
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death, Heart Failure
- Trial name
- NCT01638897
- Where
- 78 sites in United States, Canada and 1 more
- Volunteers
- 1,778 people
- Sponsor
- Medtronic
Heart Failure
CareLink® Network Evaluation
The purpose of the study is to demonstrate the value of the Medtronic CareLink® Network in clinical practice in the country specific healthcare setting.
- Trial name
- NCT01023022
- Testing
- Medtronic CareLink® Network
- Where
- 10 sites in Poland
- Volunteers
- 176 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Death, Sudden, Cardiac, Ventricular Fibrillation
Failure of Chronically Implanted Defibrillator Leads -Incidence and Management
Comparison of two different approaches to address the problem of malfunctioning ICD-leads. These leads consist of two parts. One that is used for detection of arrhythmias(and pacing if required) (Pace/Sense) and a second part…
- Trial name
- NCT00614718
- Where
- 3 sites in Germany, Switzerland
- Volunteers
- 1,317 people
- Sponsor
- University Hospital, Basel, Switzerland
Heart Failure Patients Before and After ICD Implantation
Heart-focused Anxiety in Patients With Heart Failure and ICD
The aim of the present study is to measure heart-focused anxiety, general anxiety, depression, PTSD and quality of life as well as type D personality in patients with heart failure before and after the implantation of a…
- Trial name
- Anxiety-CHF (NCT02226770)
- Testing
- Implantable Cardioverter Defibrillator (ICD)
- Where
- Germany
- Volunteers
- 132 people
- Sponsor
- University Hospital, Saarland
Heart Failure, Nonischemic Cardiomyopathy
Implantable Cardioverter Defibrillator (ICD Registry)
The ICD Registry™ is a nationwide quality program that helps participating hospitals measure and improve care for patients receiving implantable cardioverter defibrillators (ICDs) and cardiac resynchronization therapy devices…
- Conditions
- Heart Failure, Nonischemic Cardiomyopathy, Ischemic Cardiomyopathy, Ventricular Arrhythmia
- Trial name
- NCT01999140
- Where
- United States
- Volunteers
- 1,750 people
- Sponsor
- American College of Cardiology
Heart Failure
Deutsches Device Qualitätsregister
It is the aim of this register to document the development of therapies by implantation of Cardioverter/Defibrillators (ICDs) and/or Cardiac Resynchronization therapy (CRT)-Systems.
- Trial name
- NCT01173783
- Where
- 7 sites in Germany
- Volunteers
- 4,008 people
- Sponsor
- Stiftung Institut fuer Herzinfarktforschung
ICD, ICD Malfunction
Multicenter Subcutaneous ICD Registry
This multicenter registry aims to collect data regarding S-ICD longevity, and battery and lead failure rates. Only clinically collected data is gathered in this registry.
- Trial name
- NCT04767516
- Testing
- no intervention
- Where
- Germany
- Volunteers
- 1,300 people
- Sponsor
- Universitätsklinikum Köln
Right Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction
Bifocal Right Ventricular PAcing in Right Bundle Branch blocK and Heart Failure With Reduced Ejection Fraction. The Study Tests the Superiority of Right Ventricular Bifocal Stimulation Over VVI Implantable Defibrillator in Right Bundle Branch Block and Heart Failure.
RATIONALE: Cardiac resynchronization therapy (CRT) is known to improve cardiac performance and to reduce morbidity and mortality in reduced-ejection fraction heart failure (HFrEF) despite optimal medical therapy (OMT).
- Conditions
- Right Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction, Bifocal Stimulation
- Trial name
- BiPARK-HF (NCT03524001)
- Testing
- Compare VVi mode versus DDD bifocal stimulation through crossover randomization
- Where
- Italy
- Volunteers
- 13 people
- Sponsor
- Azienda Ospedaliero Universitaria Maggiore della Carita
Heart Failure, Sudden Cardiac Death
Longitudinal Surveillance Registry
Boston Scientific CRM's Longitudinal Surveillance Registry (LSR) will serve as an active ongoing source of updated information on the long-term reliability and performance of BSC commercially available leads and LATITUDE-enabled…
- Trial name
- LSR (NCT00636272)
- Volunteers
- 2,500 people
- Sponsor
- Boston Scientific Corporation
Defibrillators, Implantable, Heart Failure, Congestive
Implantable Cardioverter Defibrillators And Magnetic Resonance Imaging of the Heart at 1.5 Tesla
To evaluate short-term and long-term effects by MR imaging on the technical and functional status of implantable cardioverter defibrillators.
- Trial name
- NCT00356239
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- University Hospital, Bonn
Tachyarrhythmias, Heart Failure
Safety and Clinical Performance of the Protecta ICD and CRT-D
The purpose of the study is two-fold. In Phase I (Protecta Clinical Study), system performance will be evaluated. In Phase II (PainFree SST), the inappropriate shock-free rate at one year of subjects implanted with a Medtronic…
- Conditions
- Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
- Trial name
- NCT00982397
- Testing
- Protecta VR-ICD, Protecta DR-ICD or CRT-D
- Where
- 122 sites in United States, Austria and 19 more
- Volunteers
- 2,770 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure