Clinical trials: Cardiac Resynchronization Therapy
Heart Failure
Response of Cardiac Resynchronization Therapy Optimization With Ventricle to Ventricle Timing in Heart Failure Patients
The purpose of the study is to evaluate the benefit of interventricular (V-V) delay optimization in reducing the non-responder rate in patients with cardiac resynchronization defibrillator (CRT-D) devices.
- Trial name
- NCT00187200
- Testing
- Simultaneous VV Pacing, Sequential VV Pacing
- Where
- United States
- Volunteers
- 816 people
- Sponsor
- Abbott Medical Devices
Heart Failure
Strategic MAnagement to Optimize Response To Cardiac Resynchronization Therapy Registry
To learn in a general Cardiac Resynchronization Therapy Defibrillators (CRT-D) population, which optimization techniques are used and how effective they are.
- Trial name
- SMART Registry (NCT03075215)
- Testing
- Device Programming of the Boston Scientific Cardiac Resynchronization Therapy Defibrillator (CRT-D)
- Where
- 139 sites in United States, Australia and 13 more
- Volunteers
- 2,044 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
Strategic Management to Optimize Response To Cardiac Resynchronization Therapy
The primary objective is to evaluate the benefit of the SmartDelay™ algorithm in patients with a prolonged RV-LV interval.
- Trial name
- SMART CRT (NCT03089281)
- Testing
- CRT-D
- Where
- 72 sites in United States, Canada and 9 more
- Volunteers
- 699 people, healthy volunteers welcome
- Sponsor
- Boston Scientific Corporation
Heart Failure
CARE-HF Long Term Follow-up
The CARE-HF long-term follow-up trial evaluates the effects of cardiac resynchronization (CR) therapy on the mortality of patients from the CARE-HF program for an additional 4 year follow-up.
- Trial name
- NCT00318357
- Testing
- Continuation of CRT, Upgrade to CRT
- Where
- United Kingdom
- Volunteers
- 309 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure
Biventricular Versus Right Ventricular Pacing
The study is a randomized, single-blind crossover prospective study in which investigators will determine the clinical outcomes of cardiac resynchronization therapy (CRT) pacing modalities in patients with left ventricular assist…
- Trial name
- NCT06298669
- Testing
- Biventricular Pacing, Right Ventricular Pacing
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Indiana University
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
Atrial Fibrillation
Cardiac Resynchronization Therapy Efficacy Enhancements
The purpose of this study is to demonstrate that the amount of effective CRT (Cardiac Resynchronization Therapy) pacing during AF (atrial fibrillation) when CAFRPlus (Conducted AF Response Plus) is applied is not inferior to the…
- Trial name
- CRTee (NCT02222818)
- Testing
- Conducted AF Response (CAFR), Conducted AF Response Plus (CAFRPlus)
- Where
- 19 sites in United States, Hungary and 5 more
- Volunteers
- 71 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
Heart Failure
Comparison of AV Optimization Methods Used in Cardiac Resynchronization Therapy (CRT)
The primary objective of SMART-AV is to assess the effect of SmartDelay for determining optimal AV delay timing during CRT compared to both a fixed AV delay and echocardiography-determined optimal AV timing chronically over a…
- Trial name
- SMART-AV (NCT00677014)
- Testing
- AV Delay programming through cardiac resynchronization therapy
- Where
- United States
- Volunteers
- 1,060 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
Real Time 3-Dimensional Echocardiography for Left Ventricular Lead Site Selection to Reduce Cardiac Resynchronization Therapy Non-Responder Rates
The purpose of this study is to demonstrate that cardiac resynchronization therapy (CRT) responder rate can be improved by 3-dimensional (3D) echo-guided left ventricular (LV) lead placement compared to traditional LV lead…
- Trial name
- ENVISION (NCT01278030)
- Testing
- 3D echo-guided LV lead placement
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- Abbott Medical Devices
Cardiomyopathy
Multicenter Automatic Defibrillator Implantation Trial - Chemotherapy-Induced Cardiomyopathy
The purpose of this trial or study is to determine if cardiac resynchronization therapy (CRT) can be a benefit to people who have impaired heart function due to past treatment with chemotherapy and/or chest radiation.
- Trial name
- MADIT-CHIC (NCT02164721)
- Testing
- Three-lead CRT-D (Defibrillator)
- Where
- 9 sites in United States
- Volunteers
- 30 people
- Sponsor
- University of Rochester
Heart Failure
A Pilot Study of Interventricular Septal Puncture for Cardiac Resynchronization Therapy to Treat Heart Failure
Cardiac resynchronization therapy (CRT) is known to result in significant improvement in the symptoms of selected patients with heart failure, and to reduce hospital admission and death rates in these patients.
- Trial name
- LV-CONSEPT (NCT01818765)
- Testing
- Trans-ventricular-septal placement of LV pacing lead, Pre-procedure speckle-tracking echocardiography, Acute response assessment
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Oxford University Hospitals NHS Trust
Tachycardia
Safety and Performance Study of the Reliance 4-Front Lead
The objective of this study is to gather data to establish the chronic safety, performance and effectiveness of the RELIANCE 4-FRONT™ Active Fixation Defibrillation Leads.
- Trial name
- NCT01772576
- Testing
- Reliance 4-Front lead implantation
- Where
- 15 sites in Austria, China and 9 more
- Volunteers
- 167 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
MOre REsponse on Cardiac Resynchronization Therapy With MultiPoint Pacing
The purpose of this Clinical investigation is to assess the impact of the Multi Point Pacing (MPP) feature at 12 months in the treatment of patients not responding to standard Cardiac Resynchronization Therapy (CRT) after 6…
- Trial name
- MORE CRT MPP (NCT02006069)
- Testing
- MPP
- Where
- 206 sites in United States, Australia and 28 more
- Volunteers
- 5,850 people
- Sponsor
- Abbott Medical Devices
Ventricular Arrhythmia
Evaluating Ventricular Arrhythmia in Subjects With Implantable Cardioverter Defibrillator or Cardiac Resynchronization Therapy-Defibrillator
The primary objective of this study is to evaluate the effect of eleclazine (GS-6615) compared to placebo on the overall occurrence of appropriate implantable cardioverter-defibrillator (ICD) interventions (antitachycardia pacing…
- Trial name
- TEMPO (NCT02104583)
- Testing
- Eleclazine
- Where
- 84 sites in United States, Canada and 7 more
- Volunteers
- 313 people
- Sponsor
- Gilead Sciences
Heart Failure
Adaptive Cardiac Resynchronization Therapy Study
The purpose of this study is to demonstrate the AdaptivCRT algorithm is at least as good as manual echo based optimization in regard to patient outcomes and cardiac performance
- Trial name
- aCRT (NCT00980057)
- Testing
- Adaptive CRT (aCRT), Echo
- Where
- 105 sites in United States, Australia and 17 more
- Volunteers
- 522 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Cardiovascular Disease
Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets
The purpose of this study is to determine whether cyanoacrylate tissue adhesive is as effective as polyglactin 910 suture for surgical closure of cardiac device pockets.
- Trial name
- NCT00674128
- Testing
- Cyanoacrylate tissue adhesive (Dermabond), Polyglactin 910 suture (Vicryl)
- Where
- United States
- Volunteers
- 103 people
- Sponsor
- Mayo Clinic
Congestive Heart Failure
His Bundle Pacing Versus Coronary Sinus Pacing for Cardiac Resynchronization Therapy
The goal of this study is to compare the effectiveness of pacing from a physiologic His bundle (HB) lead position versus with the standard coronary sinus (CS) lead position in subjects with heart failure undergoing cardiac…
- Trial name
- His-SYNC (NCT02700425)
- Testing
- CRT Pacemaker
- Where
- 8 sites in United States
- Volunteers
- 41 people
- Sponsor
- University of Chicago
Heart Failure，Congestive, Cardiomyopathies
HIS-Purkinje Conduction System Pacing Optimized Trial of Cardiac Resynchronization Therapy
This is a randomized, prospective, single-blinded trial to determine the overall rate of successful His-Purkinje conduction system pacing Optimized Trial of Cardiac Resynchronization Therapy (HOT-CRT) versus biventricular pacing…
- Conditions
- Heart Failure，Congestive, Cardiomyopathies, Left Ventricular Dysfunction
- Trial name
- HOT-CRT (NCT04561778)
- Testing
- HOT-CRT, Biventricular Pacing
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Pugazhendhi Vijayaraman
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