Clinical trials: Cardiac Resynchronisation Therapy (CRT)
Functional Mitral Regurgitation, Heart Failure
Evaluation of Outcomes of CRT and MitraClip for Treatment of Low Ejection Fraction and Functional Mitral Regurgitation in HF
At present, the optimal treatment strategy for heart failure patients and moderate-to-severe (3+) or severe (4+) mitral regurgitation with a class IIa recommendation for CRT is uncertain.Whether these patents should also be…
- Trial name
- EVOLVE-HF (NCT02985268)
- Testing
- MitraClip, Optimal Medical Therapy, CRT-D
- Sponsor
- Montreal Heart Institute
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
Investigation of Transvenous Versus Epicardial Left Ventricular Stimulation Technique
The purpose of this study is to demonstrate that epicardial and transvenous left ventricular leads are safe and effective for cardiac resynchronization therapy in heart failure patients implanted with a CRT device.
- Trial name
- INTREPID (NCT00819117)
- Testing
- Cardiac Resynchronization Therapy implant
- Where
- 2 sites in Italy
- Volunteers
- 20 people
- Sponsor
- Abbott Medical Devices
Systolic Heart Failure, Heart Failure With Reduced Ejection Fraction
Evaluation of Left Bundle Branch Area Pacing As A Rescue Strategy for Cardiac Resynchronization Therapy Non-Response
This study aims to investigate whether the investigators can improve heart function in patients with heart failure who have undergone cardiac resynchronization therapy, but have not had an improvement in their heart function at…
- Conditions
- Systolic Heart Failure, Heart Failure With Reduced Ejection Fraction, CRT Non-Response, Left Bundle Branch Area Pacing
- Trial name
- NCT05884411
- Testing
- Left bundle branch area pacing, Cardiac MRI
- Where
- United States
- Sponsor
- VA Office of Research and Development
Infection
Salvage of Infected Cardiovascular Implantable Electronic Devices (CIED) by Localized High-dose Antibiotics
Following previous positive experience with regulated CITA-RNPT of infected CIEDs, we suggest increasing the number of recruited patients and that CITA-RNPT can be administered prophylactically to patients prior to replacement of…
- Trial name
- NCT01770067
- Testing
- CITA-RNPT, Extraction of infected CIED
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Hillel Yaffe Medical Center
Congenital Heart Defects
Cardiac Resynchronization Therapy in Congenital Heart Defects
The objective of this multicentre prospective therapeutic study is to evaluate the effects of CRT on the right and left ventricular function of patients with CHD in the medium and long term.
- Trial name
- CARE-CHD (NCT00450684)
- Testing
- Implantation and testing of CRT
- Where
- 16 sites in Austria, Germany
- Volunteers
- 55 people
- Sponsor
- Competence Network for Congenital Heart Defects
Congenital Heart Defects
Assessing the Hemodynamic Benefits of Cardiac Resynchronization Therapy in Children Following Open-Heart Surgery
Malformations of the heart (congenital heart disease) are the most common congenital birth defects, occurring in about 1% of children.
- Trial name
- NCT00397514
- Testing
- Congenital Heart Surgery Patients
- Where
- Canada
- Volunteers
- 34 people
- Sponsor
- University of British Columbia
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
Ischemic Congestive Cardiomyopathy, Dilated Cardiomyopathy
Optimizing Left Ventricular Lead To Improve Cardiac Output
The purpose of this study is to determine if optimal lead placement, guided by the largest improvement in aortic flow measured by Doppler will: 1. Improve the way the heart's left ventricle functions 2.
- Conditions
- Ischemic Congestive Cardiomyopathy, Dilated Cardiomyopathy, Congestive Heart Failure
- Trial name
- CARE/VOLCANO (NCT01399801)
- Testing
- Doppler flow measurement, standard implantation of the LV lead
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Ann Marie Chikowski
Heart Failure
European Cardiac Resynchronisation Therapy Survey
The European CRT survey represents a joint initiative between two ESC associations; the Heart Failure Association and the European Heart Rhythm Association.
- Trial name
- NCT01185392
- Volunteers
- 2,438 people
- Sponsor
- Helse Stavanger HF
Cardiac Rhythm Disorder
3T MRI CIED Post-Approval Study
The purpose of this study is to evaluate product performance of Magnetic Resonance (MR) Conditional Cardiac Implantable Electronic Devices (CIED) following 3 tesla (3T) MRI exposure.
- Trial name
- NCT02969395
- Where
- 204 sites in United States, Belgium and 20 more
- Volunteers
- 41 people
- Sponsor
- Medtronic
Chronic Pediatric Heart Failure
CRT Pilot Study for Children With Heart Failure
To collect information on pediatric patients receiving Cardiac Resynchronization Therapy (CRT) with permanent biventricular pacing (BVP) as a method of treating chronic heart failure.
- Trial name
- NCT00585065
- Testing
- CRT device implant
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University of Utah
Implantable Cardioverter Defibrillators, CRT-D Cardiac Resynchronization Therapy Defibrillator
LONGEVITY Study. Evaluation of the Device and Battery Longevity of Boston Scientific Market-released ICD and CRT-D Devices
The study is to determine the rate and cause of device replacements at 5 years post-implantation. It will assess the battery and device longevity of the Implantable Cardioverter Defibrillators (ICD) and CRT-D Cardiac…
- Trial name
- NCT02091011
- Where
- 80 sites in United States, Canada and 6 more
- Volunteers
- 1,600 people
- Sponsor
- Boston Scientific Corporation
Left Ventricular Dyssynchrony
Rest/Stress Quantification Of Left Ventricular Dyssynchrony By 3D Gated Blood Pool D-SPECT
Cardiac Resynchronization Therapy (CRT) is an established treatment for patients with advanced heart failure and left ventricular dyssynchrony (LVD). Too many patients do not clinically improve with CRT.
- Trial name
- NCT01390532
- Testing
- 3D Blood-Pool Gated SPECT (BPGS) with a new designed cardiac imaging camera (DSPECT, Spectrum Dynamics®, Ceasaria, Israel)
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Clermont-Ferrand
Heart Failure, Systolic, Left Bundle Branch Block
Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging
Despite the dramatic effect of cardiac resynchronization therapy (CRT) on survival and morbidity in people with congestive heart failure, 50-70% of eligible patients do not respond to this intervention.
- Trial name
- NCT01129635
- Testing
- Cardiac Resynchronization Therapy (CRT) implantation
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Emory University
Heart Failure, Congestive, Ventricular Fibrillation
Safety and Effectiveness of Cardiac Resynchronization Therapy With Defibrillation
The purpose of this study was to determine if cardiac resynchronization therapy when combined with defibrillation is safe and effective in the treatment of symptomatic heart failure.
- Conditions
- Heart Failure, Congestive, Ventricular Fibrillation, Tachycardia, Ventricular
- Trial name
- NCT00387803
- Testing
- Cardiac Resynchronization Therapy with Defibrillation
- Where
- United States
- Volunteers
- 581 people
- Sponsor
- Boston Scientific Corporation
Heart Failure
Optimizing Cardiac Resynchronization
Cardiac resynchronization therapy shows great promise as a method to improve ventricular function in heart failure due to dilated cardiomyopathy.
- Trial name
- NCT00205192
- Testing
- Cardiac resynchronization pacing
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Wisconsin, Madison
Dilated Cardiomyopathy, Pediatric
Resynchronization Therapy in Young Patients With and Without CHD
Pacemakers can be attached to one or more than one of the heart chambers. After watching pacemakers work over time, doctors have found that the pacemakers that stimulate only one chamber of the heart sometimes lead to problems…
- Trial name
- NCT00208806
- Testing
- congestive heart failure patients
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Emory University
ECG Monitoring
Biomedical Shirt-based ECG Monitoring
Cardiovascular diseases (CVD) are associated with high healthcare costs, as well as are a leading cause of mortality and hospitalizations.
- Trial name
- ECG-shirt (NCT03068169)
- Where
- 3 sites in Poland
- Volunteers
- 220 people
- Sponsor
- Medical University of Warsaw
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