Clinical trials: Cardiac Resynchronization
Heart Failure
Optimization of CRT Using an ECG Vest
Despite advancements in implant technology and various techniques of optimization, there is still around 30% non-responder rate to cardiac resynchronization therapy (CRT).
- Trial name
- NCT02699944
- Testing
- ECG Vest Optimization
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Alan J. Bank, MD
Cardiac Resynchronization Therapy, Non-LBBB, QRS Area
MARC-2: MARKERS AND RESPONSE TO CRT in Non-LBBB
The purpose of the MARC-2 study is to investigate the relation of the QRS area, determined by vectorcardiography, and response to Cardiac Resynchronization Therapy (CRT) in patients with a wide QRS complex and without a typical…
- Trial name
- MARC-2 (NCT04120909)
- Testing
- Cardiac resynchronization therapy
- Where
- Netherlands
- Volunteers
- 800 people
- Sponsor
- Maastricht University Medical Center
Heart Failure, Ventricular Dysfunction
Safety and Performance of Electrodes Implanted in the Left Ventricle
The study is intended to demonstrate the safe implant of small receiver-electrodes into the endocardial surface of the left ventricle and to demonstrate its utility in providing cardiac resynchronization therapy in heart failure…
- Conditions
- Heart Failure, Ventricular Dysfunction, Cardiomyopathies, Heart Diseases
- Trial name
- SELECT-LV (NCT01905670)
- Testing
- WiCS-LV system
- Where
- 2 sites in Czechia, Denmark
- Volunteers
- 39 people
- Sponsor
- EBR Systems, Inc.
Heart Failure, Congestive, Cardiac Pacing, Artificial
Effect of Targeting Left Ventricular Lead Position on the Rate of Response to Cardiac Resynchronization Therapy.
Identifying \& optimizing strategies to reduce the burden of heart failure is vital. Despite advances in pharmacotherapy, patients with heart failure are at high risk for death \& hospitalization.
- Conditions
- Heart Failure, Congestive, Cardiac Pacing, Artificial, Defibrillators
- Trial name
- INCREMENTAL (NCT00399594)
- Testing
- A, B
- Where
- 3 sites in Canada
- Volunteers
- 96 people
- Sponsor
- University of Calgary
Heart Failure
Leadless Electrocardiogram (ECG) Evaluation Study
The leadless electrocardiogram (LECG) is a new technology incorporated into the Consulta CRT-P to obtain an ECG signal from the Consulta CRT-P similar to a surface ECG obtained from the device programmer (PECG) or an external ECG…
- Trial name
- LECG (NCT01297283)
- Testing
- LECG first, Programmer ECG first
- Where
- France
- Volunteers
- 195 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Congenital Disorders
Resynchronization of Left Ventricular Contraction After Reimplantation of Anomalous Left Coronary Artery
Spontaneous resynchronization of dyskinetic segments of the left ventricle occurs after coronary bypass surgery in adults and has been shown in some children.
- Trial name
- NCT00268112
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Children's Healthcare of Atlanta
Diabetes, Heart Failure
Multipolar CRT-d and Diabetes
Background: Type 2 Diabetes Mellitus (T2DM) is a multi factorial disease, affecting clinical outcomes in failing heart (HF) patients treated by Cardiac Resynchronization Therapy with a defibrillator (CRT-d).
- Conditions
- Diabetes, Heart Failure, Heart Failure NYHA Class II, Heart Failure NYHA Class III
- Trial name
- NCT03095196
- Testing
- Multipolar CRT-d, plus conventional drug therapy for HF., Bipolar CRT-d, plus conventional drug therapy for HF., HF drugs
- Volunteers
- 190 people
- Sponsor
- Celestino Sardu
Heart Failure, Ventricular Arrythmias
Safety and Efficacy of Automatic Testing Feature in New ICDs and CRT-Ds
This study is a prospective, non-randomized, multi-center clinical trial that will assess the safety and effectiveness of investigational models of the Promote™ RF CRT-D and Current™ RF ICD devices.
- Trial name
- NCT00746356
- Testing
- Testing of the autocapture features of the device
- Where
- 5 sites in United States
- Volunteers
- 128 people
- Sponsor
- Abbott Medical Devices
Non-left Bundle Branch Block, Ischemic or Non-ischemic Cardiomyopathy
CRT Implant Strategy Using the Longest Electrical Delay for Non-left Bundle Branch Block Patients
The purpose of this study is to analyze the effect of left ventricular lead pacing location in the non-left bundle branch block (non-LBBB) heart failure patient population.
- Trial name
- ENHANCE CRT (NCT01983293)
- Testing
- QLV based implant strategy, Standard of care implant strategy
- Where
- 32 sites in United States
- Volunteers
- 248 people
- Sponsor
- Abbott Medical Devices
Cardiac Resynchronization Therapy
SonR Based Stimulation-VECtor OPTimisation in CRT Patients
The primary aim of the present study is to investigate whether the optimisation of LVSV in addition to the optimisation of AV-D and VV-D when using the device-based sensor technology mentioned above results in an improved…
- Trial name
- VECTOPT (NCT03092349)
- Testing
- Vector optimisation
- Where
- Germany
- Volunteers
- 10 people
- Sponsor
- Heart and Diabetes Center North-Rhine Westfalia
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
Heart Failure - NYHA II - IV, Wide QRS Complex
Dual-Source Computed Tomography to Improve Prediction of Response to Cardiac Resynchronization Therapy
Cardiac Resynchronization Therapy (CRT) is a widely accepted treatment that has led to improved clinical outcomes for patients with refractory congestive heart failure (CHF), systolic dysfunction, and wide QRS duration.
- Trial name
- DIRECT (NCT01097733)
- Testing
- Randomization of Pre-knowledge of CT coronary venography
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Massachusetts General Hospital
Heart Failure
Cardiac Resynchronization Therapy in Previously Untreatable and High Risk Upgrade Patients
This study is a prospective, multi-center, pivotal trial to study the safety and efficacy of the WiSE-CRT System for Cardiac Re-synchronization Therapy.
- Trial name
- SOLVE-CRT (NCT02922036)
- Testing
- WiSE System
- Where
- 68 sites in United States, Australia and 5 more
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- EBR Systems, Inc.
Heart Failure, Cardiac Resynchronization Therapy
Safety and Performance Aspects of CRT-DX System in Patients With Sinus Rhythm
The conventional CRT-D system consists of 3 leads in patients with Heart Failure (HF). A part of HF patients have non-impaired sinus node function and will not be stimulated in the right atrium.
- Trial name
- BIO|REDUCE (NCT03839121)
- Testing
- Cardiac Resynchronization Therapy (CRT)
- Where
- 21 sites in Austria, Czechia and 2 more
- Volunteers
- 113 people
- Sponsor
- Biotronik SE & Co. KG
Chronic Heart Failure
Interactive Patient's Assistant - LUCY
Patients with chronic heart failure (CHF) and reduced left ventricle ejection fraction benefit from cardiac resynchronization therapy (CRT) and implantable cardioverter defibrillator (ICD).
- Trial name
- NCT03474315
- Testing
- Multivariate assessment
- Where
- Poland
- Volunteers
- 600 people
- Sponsor
- Medical University of Warsaw
Heart Failure - NYHA II - IV, Left Bundle Branch Area Pacing
REstoration of SYNChronous Cardiac Function Due to Physiologic cArdiac Pacing Modalities With Clinical Endpoints
The goal of this observational study is to evaluate the long-term clinical outcomes of physiologic cardiac resynchronization therapy (CRT) using conduction system pacing strategies compared with conventional biventricular CRT in…
- Conditions
- Heart Failure - NYHA II - IV, Left Bundle Branch Area Pacing, Left Bundle Branch Block, Intraventricular Conduction Delay
- Trial name
- RESYNC-PACE (NCT07684547)
- Testing
- Physiologic cardiac resynchronization using conduction system pacing and selective LV lead optimization.
- Where
- Hungary
- Volunteers
- 50 people
- Sponsor
- University of Pecs
Heart Failure
Effect of His-Ventricular (HV) Interval Optimisation in Cardiac Resynchronisation Therapy
Cardiac resynchronisation therapy (CRT) is a specialised type of pacemaker used in patients with severe heart failure to improve symptoms and survival.
- Trial name
- NCT02748876
- Testing
- His-Ventricular (HV) optimisation
- Where
- United Kingdom
- Volunteers
- 14 people
- Sponsor
- Hull University Teaching Hospitals NHS Trust
Cardiac Insufficiency
Cardiac Resynchronization Therapy: Relevance of the Surgical Approach in the Implantation of the Left Ventricular Probe
Heart failure is very common and reaches more than 56 million people worldwide. 17 to 45 percent die in the first year of hospitalization. The most affected populations live in Western countries like Europe or the USA.
- Trial name
- NCT03083301
- Testing
- Medical Files data extraction
- Where
- Belgium
- Volunteers
- 155 people
- Sponsor
- Pierre Wauthy
Congestive Heart Failure
Comparison of Medical Therapy, Pacing and Defibrillation in Heart Failure
The purpose of this study is to determine whether combined mortality and hospitalization in heart failure patients receiving optimal pharmacologic therapy can be reduced by combining optimal pharmacologic therapy and 1)…
- Trial name
- NCT00180258
- Testing
- Cardiac Resynchronization Therapy with & without defibrillator
- Where
- United States
- Volunteers
- 2,200 people
- Sponsor
- Boston Scientific Corporation
Congestive Heart Failure, Cardiac Resynchronization Therapy
Improvement in Clinical Outcomes in Heart Failure Patients With ICDs That Practice Meditation
This is a trial to examine the effects of meditation on the incidence of ventricular arrhythmias and the psychological profiles in patients with implanted cardiac defibrillators. We wish to test the following hypotheses: 1.
- Trial name
- NCT00611260
- Testing
- Vipassana Meditation practice and instruction, Standard Medical Care
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- University of California, Davis