Clinical trials: ICD Malfunction
Heart Failure
Effective Study of ARNI on Ventricular Arrhythmia in HFrEF Patients With ICD or CRT-D (RHYTHM)
The purpose of this study was to generate effectiveness data of Angiotensin receptor neprilysin inhibitor (ARNI), in the Chinese Heart failure with reduced ejection fraction (HFrEF) patients with implantable cardioverted…
- Trial name
- RHYTHM (NCT04491136)
- Testing
- ACEI/ARB, ARNI
- Where
- 23 sites in China
- Volunteers
- 201 people
- Sponsor
- Novartis Pharmaceuticals
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
Heart Failure
REsynchronization reVErses Remodeling in Systolic Left vEntricular Dysfunction (REVERSE)
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
- NCT00271154
- Testing
- Cardiac Resynchronization Therapy (CRT) Device or Implantable Cardioverter Defibrillator (ICD) with CRT
- Where
- 65 sites in United States, Austria and 13 more
- Volunteers
- 684 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Disease
Managed Ventricular Pacing ("MVP") Trial
The purpose of the study is to compare two device settings (sets of instructions) used by the ICD. The Implantable Cardiac Defibrillator ("ICD") can be set to use one wire (top or bottom of the heart) or two wires (top and…
- Trial name
- MVP (NCT00281099)
- Testing
- ICD (Implantable Cardioverter Defibrillator)
- Where
- 73 sites in United States, Austria and 10 more
- Volunteers
- 1,031 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure
The Effect of an Azygos Vein Coil on Defibrillation Threshold
When implantable cardiac defibrillators are implanted (ICDs), the defibrillation threshold (DFT), of the amount of energy required to effectively terminate life-threatening arrhythmias is determined.
- Trial name
- NCT00798174
- Testing
- Standard configuration vs. azygos coil
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Washington University School of Medicine
Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy
Ranolazine Implantable Cardioverter-Defibrillator Trial
The purpose of the study is to see how effective a drug called ranolazine is in reducing the risk of ventricular arrhythmia and death in people with implantable cardioverter-defibrillators (ICDs).
- Conditions
- Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy, Heart Failure
- Trial name
- RAID (NCT01215253)
- Testing
- Ranolazine
- Where
- 90 sites in United States, Canada
- Volunteers
- 1,012 people
- Sponsor
- University of Rochester
Ischemic and Non-ischemic Cardiomyopathy
OptiVol for Precision Medical Management of Heart Failure
This clinical study is designed to show that a multidisciplinary team following a pre-specified standard of care medication decision model based on data from an implanted cardioverter device will increase the rate of change in…
- Trial name
- (OPTIMED-HF) (NCT04206501)
- Testing
- Medtronic ICD with Opti Vol-Monitor
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University of Rochester
Cardiomyopathy, Cardiac Arrhythmia
RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators
If a surgical sponge is mistakenly left inside a patient's body after a surgical procedure, it can cause a serious infection. To prevent this from happening, a new device has been developed that uses radiofrequency (RF) signals…
- Conditions
- Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
- Trial name
- RF (NCT02111980)
- Testing
- RF Assure Scanning
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of California, San Diego
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
Heart Failure, Tachycardia, Ventricular
Optisure Lead Post Approval Study
The purpose of this post approval study is to characterize the chronic performance of the SJM Optisure family of HV leads in patients.
- Trial name
- NCT02235545
- Testing
- St. Jude Medical Optisure Lead
- Where
- 60 sites in United States, Belgium and 5 more
- Volunteers
- 1,735 people
- Sponsor
- Abbott Medical Devices
Congestive Heart Failure
Effect of Posture on Left Ventricular (LV) Transvenous Lead Capture Thresholds (EXPECT)
The purpose of this study is to determine whether changes in a patient's position affect LV capture thresholds in a clinically significant way.
- Trial name
- EXPECT (NCT01520714)
- Testing
- Medtronic 4195 active fixation LV lead and Medtronic passive fixation LV lead
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Baylor Research Institute
Heart Failure
International Study to Determine if AdreView Heart Function Scan Can be Used to Identify Patients With Mild or Moderate Heart Failure (HF) That Benefit From Implanted Medical Device
This is an event-driven Phase IIIb, multicentre, randomised, clinical study to demonstrate the efficacy of AdreView™ imaging for appropriately guiding the decision of implantable cardioverter defibrillator (ICD) implantation, in…
- Trial name
- ADMIRE-ICD (NCT02656329)
- Testing
- Iobenguane I -123 Injection, Implantable Cardioverter Defibrillator, Thyroid blocking
- Where
- 94 sites in United States, Canada and 8 more
- Volunteers
- 395 people
- Sponsor
- GE Healthcare
Cardiomyopathy, Heart Failure
Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation
The objective of this study is to evaluate myocardial injury, if any, as quantified by cardiac markers (Troponin-T) in defibrillation threshold (DFT) testing during implantation of implantable cardioverter defibrillators (ICDs)…
- Conditions
- Cardiomyopathy, Heart Failure, Cardiac Arrhythmia
- Trial name
- ULV (NCT02111993)
- Testing
- Standard Defibrillation Testing, Upper Limit of Vulnerability Testing
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of California, San Diego
Device Malfunction, ICD
Intravascular Ultrasound (IVUS) Imaging During Transvenous Lead Extraction
The purpose of this study is to prospectively evaluate intravascular ultrasound (IVUS) imaging as a tool for grading the presence and characterization of intravascular lead adherence (ILA, or scarring) to cardiovascular…
- Conditions
- Device Malfunction, ICD, Pacemaker Lead Dysfunction
- Trial name
- ISEE (NCT04055740)
- Testing
- IVUS Imaging
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- University of Chicago
Heart Failure
Reducing Decompensation Events Utilizing Intracardiac Pressures in Patients With Chronic Heart Failure (HF) (REDUCEhf)
The purpose of this clinical research study is to evaluate the safety and effectiveness of the investigational implantable hemodynamic monitor (IHM), and of the IHM in combination with an implantable cardioverter defibrillator…
- Trial name
- REDUCEhf (NCT00354159)
- Testing
- Implantable Hemodynamic Monitor (Chronicle® IHM), and IHM in combination with single chamber ICD (Chronicle ICD)
- Where
- 52 sites in United States
- Volunteers
- 442 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver