Clinical trials: Cardiac Resynchronization
Heart Failure
Electrical Activation Mapping Guided Tailor Made Approach for Cardiac Resynchronization Therapy
Background Cardiac Resynchronization Therapy (CRT) is proven to improve survival and heart function of patient with certain electrical conduction abnormality and heart failure.
- Trial name
- NCT03356652
- Testing
- Noninvasive electrical dyssynchrony study
- Where
- Hong Kong
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Intrathoracic Blood Volume in Heart Failure Patients
Intrathoracic Bloodvolume Measurement by Contrast Enhanced Ultrasound: Validation of the Technique and Evaluation as a Measurement of Response to Cardiac Resynchronization Therapy: a Pilot Study
Summary Rationale: Cardiac resynchronisation therapy (CRT) with biventricular pacemakers and implantable cardiac defibrillators (ICD) has proven to be a valuable therapy in selected patients with systolic heart failure…
- Trial name
- NCT01735838
- Where
- Netherlands
- Volunteers
- 20 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
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
Acute Impact of Cardiac Resynchronization on Vascular Function (RVA-CRT)
Evaluation of the effect of short term activation/deactivation of biventricular pacing (BivP) of the CRT (during routine CRT interrogation) on vascular function as assessed via retinal vessel analysis (RVA), in patients treated…
- Trial name
- RVA-CRT (NCT04379401)
- Testing
- Cardiac Resynchronization Therapy (ON vs. OFF)
- Where
- Switzerland
- Volunteers
- 35 people
- Sponsor
- Andreas Flammer
Heart Failure
The Product Surveillance Registry REVERSE Post Approval Study
The purpose of the REVERSE Post Approval Study (PAS) is to confirm the benefit observed in the REVERSE and RAFT pivotal studies in "real-world" clinical practice.
- Trial name
- PSR-REVERSE (NCT01660035)
- Where
- 123 sites in United States, Belgium and 8 more
- Volunteers
- 155 people
- Sponsor
- Medtronic
Heart Failure
Dobutamine Stress Echocardiography in Cardiac Resynchronization Therapy (CRT) Patients Selection
While cardiac resynchronization therapy (CRT) has a well demonstrated therapeutic effect in selected patients with advanced heart failure (HF) on optimized drug therapy, non-responder rate remains high.
- Trial name
- LODO-CRT (NCT00828360)
- Where
- 5 sites in Italy
- Volunteers
- 270 people
- Sponsor
- Ospedale Santa Maria di Loreto Mare
Heart Failure
Optimization of Coronary Sinus Lead Placement for CRT Delivery in Non-LBBB or Narrow LBBB Patterns Using Multiparametric 82Rubidium PET-CT Scan Analysis and Cardiac CT Venography
CRT improves outcomes in heart failure patients, but class II candidates (i.e. patients presenting non-LBBB or narrow LBBB patterns) benefit less from this treatment.
- Trial name
- RESYNC-PETCT (NCT07640022)
- Testing
- CRT-P/CRT-D implantation
- Volunteers
- 20 people
- Sponsor
- Domenichini Giulia
Heart Failure, Cardiomyopathy
InSync Implantable Cardioverter Defibrillator Registry: Cardiac Resynchronization Therapy
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
- NCT00289302
- Testing
- Cardiac resynchronization therapy device
- Where
- 51 sites in United States
- Volunteers
- 600 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Tachycardia, Ventricular, Heart Failure, Congestive
OMNI Study--Assessing Therapies in Medtronic Pacemaker, Defibrillator, and Cardiac Resynchronization Therapy Devices.
The purpose of the OMNI study is to characterize therapy and diagnostic utilization in study participants implanted with study devices and to describe Implantable Cardioverter Defibrillator(ICD)therapy utilization for life…
- Conditions
- Tachycardia, Ventricular, Heart Failure, Congestive, Ventricular Fibrillation, Ventricular Dysfunction
- Trial name
- OMNI (NCT00277524)
- Where
- 113 sites in United States
- Volunteers
- 3,032 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Adult Congenital Heart Disease
Real-World Data on the Effects of Cardiac Resynchronization Therapy in Adult Patients With Congenital Heart Disease
This study aims to evaluate the real-world effects of cardiac resynchronization therapy (CRT) in adult patients with congenital heart disease (ACHD).
- Trial name
- RECORD-CHD (NCT06969924)
- Testing
- Cardiac resynchronization therapy
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Leiden University Medical Center
Heart Failure, Congestive
Resynchronization/Defibrillation for Ambulatory Heart Failure Trial
Congestive heart failure (CHF) is a common health problem that leads to frequent hospitalizations and an increased death rate. In spite of advances in drug therapy, it remains a significant public health problem.
- Trial name
- RAFT (NCT00251251)
- Testing
- Optimal Medical Therapy plus ICD, Optimal Medical Therapy plus CRT/ICD
- Where
- 33 sites in Australia, Belgium and 5 more
- Volunteers
- 1,798 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Heart Failure
Reduction or Extension of COnduction Time With Ventricular Electromechanical Remodeling (RECOVER)
This prospective multicenter registry study aims to detect the serial changes in ventriculo-ventricular conduction times according to cardiac-resynchronization therapy response.
- Trial name
- RECOVER (NCT04397224)
- Testing
- Device interrogation
- Where
- 6 sites in South Korea
- Volunteers
- 100 people
- Sponsor
- Samsung Medical Center
Heart Failure
Ivabradine in Patients With an Unsatisfactory Percentage of Cardiac Resynchronization Therapy
The purpose of this study is to determine the role of ivabradine in cardiac resynchronization recipients with an unsatisfactory percentage biventricular pacing.
- Trial name
- IvaCRT (NCT02166060)
- Testing
- Ivabradine
- Where
- Poland
- Volunteers
- 60 people
- Sponsor
- Medical University of Warsaw
Heart Failure
Multisite Pacing With a Quadripolar Lead
The purpose of this study is to evaluate the effects of multisite left ventricular (LV) biventricular (BiV) pacing on LV hemodynamics in CRT patients.
- Trial name
- NCT00964938
- Testing
- Quadripolar LV lead (pacing configurations)
- Where
- Canada
- Volunteers
- 35 people
- Sponsor
- Abbott Medical Devices
Heart Failure With Reduced Ejection Fraction
CPET Predicts Long-term Survival and Positive Response to CRT
The study tested the usefulness of cardiopulmonary exercise test (CPET) in selection of potential responders to CRT.
- Trial name
- CPET-CRT (NCT03870074)
- Volunteers
- 122 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
Heart Failure, Arrhythmias, Cardiac
Japanese Assessment of Indication Based Programming
The purpose of this clinical investigation is to assess the programming behavior of the physicians in the patient cohort. Furthermore, the acceptance level of specific programming recommendations based on the patient's clinical…
- Trial name
- JASMINE (NCT01143220)
- Testing
- No specific interventions
- Where
- 45 sites in Japan
- Volunteers
- 235 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
The Application of Negative Atrioventricular Hysteresis in Cardiac Resynchronization Therapy
The purpose of this study is to evaluate the application of Negative Atrioventricular Hysteresis (NAVH) to improve electrical synchrony in Cardiac Resynchronization Therapy (CRT) patients.
- Trial name
- NCT02903940
- Testing
- CRT+NAVH
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Abbott Medical Devices
Heart Failure
Predicting Response to CRT Using Body Surface ECG Mapping
Cardiac resynchronization therapy (CRT) involves pacing the left and right side of the heart in order to improve the coordination of the contraction in patients with heart failure.
- Trial name
- NCT01831518
- Testing
- CRT Implant, Body Surface ECG Mapping
- Where
- 2 sites in United Kingdom
- Volunteers
- 20 people
- Sponsor
- Tom Jackson
Ventricular Arrythmias
Efficacy of the ATP Switch Automatic Programming in Implantable Cardioverter Defibrillator (ICD) and Cardiac Resynchronization Therapy Defibrillator (CRT-D) Implanted Patients
Primary objective is to assess the efficacy of the new ATP Autoswitch function in simple, dual or triple chamber ICD.
- Trial name
- ASAP (NCT01169246)
- Where
- France
- Volunteers
- 1,254 people
- Sponsor
- MicroPort CRM
Bradycardia, Left Bundle Branch Area Pacing
Left Bundle Branch Area Pacing (LBBAP) Monitoring Assistant: Evaluation of Portable ECG Solution
To evaluate the capability to monitor LBB success criteria with the use of a Smart ECG system (ECG monitor, 12 leads ECG cable, ECG viewer software ) during a cardiac device implantation involving the placement of a pacing lead…
- Conditions
- Bradycardia, Left Bundle Branch Area Pacing, Cardiac Resynchronisation Therapy (CRT), ECG
- Trial name
- LBBOT (NCT07254013)
- Testing
- LBBAP implant
- Where
- 4 sites in France
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- MicroPort CRM