Clinical trials: Left Bundle-Branch Block
Heart Failure, Left Bundle-Branch Block
Mid-Q Response Study
The Mid-Q Response study is a prospective, multi-center, randomized controlled, interventional, single-blinded, post-market study.
- Conditions
- Heart Failure, Left Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction (HFrEF), Heart Failure NYHA Class II
- Trial name
- NCT04180696
- Testing
- aCRT ON, aCRT OFF
- Where
- 61 sites in Brunei, China and 8 more
- Volunteers
- 177 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Left Bundle Branch Block, Left Bundle Branch Area Pacing
UHF ECG in LBBB and Response to CRT Prediction
The main objective of the project is to demonstrate that in patients with heart failure and QRS complex of nonRBBB morphology lasting over 130 ms, UHF-ECG can differentiate patients with trueLBBB from IVCD better than existing…
- Conditions
- Left Bundle Branch Block, Left Bundle Branch Area Pacing, Biventricular Pacing, Intraventricular Conduction Delay
- Trial name
- UHF BLOCK (NCT07057544)
- Testing
- LBBAP CRT device implantation, BVP-CRT
- Where
- Czechia
- Volunteers
- 200 people
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Aortic Valve Disease, Conduction Disturbances
Ambulatory Electrocardiographic Monitoring for the Detection of High-Degree Atrio-Ventricular Block in Patients With New-onset PeRsistent LEft Bundle Branch Block After Transcatheter Aortic Valve Implantation. The "MARE" Study
The purpose of this study is to determine the incidence and predictors of high degree or complete atrioventricular block (AVB) (paroxysmal or persistent) in patients with new-onset persistent left bundle branch block (NOP-LBBB)…
- Trial name
- MARE (NCT02153307)
- Testing
- Implantable loop recorders system Reveal ICM LINQ®,
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec
Arrhythmias, Cardiac, Atrioventricular Block
ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System Pacing
The goal of this observational study is to evaluate the clinical characteristics of patients undergoing permanent cardiac pacing and to compare procedural efficacy and safety of different implantation approaches in the clinical…
- Conditions
- Arrhythmias, Cardiac, Atrioventricular Block, Reduced Systolic Function, Atrial Fibrillation
- Trial name
- TREEBEARD (NCT06324682)
- Testing
- Cardiac pacing - Conventional RV pacing, Cardiac pacing - Conduction System Pacing, Cardiac pacing - Cardiac resynchronization therapy (pacing - CRTP - or defibrillation - CRTD)
- Where
- 31 sites in Italy
- Volunteers
- 8,400 people
- Sponsor
- University Hospital of Ferrara
Conduction Block, Atrioventricular, Bundle-Branch Block
Novel Approach to Conduction System Pacing With Use of Ultrasound
Each year, over one million pacemakers are implanted globally using x-rays. Recent developments have been aimed at determining which area of the heart is the best option for lead placement.
- Trial name
- CONDUCT USe (NCT06815783)
- Testing
- Ultrasound guidance, Fluoroscopy guided
- Where
- 2 sites in Canada
- Volunteers
- 152 people
- Sponsor
- Habib Khan
Left Ventricular Ejection Fraction, Heart Failure (HF)
REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)
Primary Objective - To determine if implantation of a permanent CRT pacing device (with LB-CRT, or conventional BiV-CRT with a coronary sinus LV lead) can improve electromechanical function, HF symptoms, and natriuretic peptide…
- Conditions
- Left Ventricular Ejection Fraction, Heart Failure (HF), Left Bundle-Branch Block
- Trial name
- REINVENT (NCT05652218)
- Testing
- LB-CRT, BIV-CRT
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- Inova Health Care Services
Atrioventricular Block, Left Bundle Branch Area Pacing
Impact of Left Bundle Branch Area Pacing vs. Right Ventricular Pacing in Atrioventricular Block (LEAP-Block)
This is a multicenter, randomized controlled study. The aim of this study is to compare the impact of LBBAP on left ventricular function as compared with traditional right ventricular pacing in patients with atrioventricular…
- Conditions
- Atrioventricular Block, Left Bundle Branch Area Pacing, Right Ventricular Pacing, Heart Failure
- Trial name
- LEAP-Block (NCT04730921)
- Testing
- Left bundle branch area pacing, Right ventricular pacing
- Where
- 8 sites in China
- Volunteers
- 486 people
- Sponsor
- Fu Wai Hospital, Beijing, China
Congestive Heart Failure, Left Bundle Branch Block
MADIT ASIA Cardiac Resynchronization Trial
The purpose of this trial or study is to determine if pacemaker therapy can be a beneficial alternative to conventional medical therapy in patients with a history of moderate heart failure.
- Conditions
- Congestive Heart Failure, Left Bundle Branch Block, Heart Failure, Systolic
- Trial name
- MADIT-ASIA (NCT01872234)
- Testing
- Two-lead CRT-P
- Where
- 21 sites in China, India and 6 more
- Volunteers
- 1 people
- Sponsor
- Boston Scientific Corporation
Heart Failure (HF)
Systematic Withdrawal of Neurohumoral Blocker Therapy in Optimally Responding CRT Patients
The primary objective of this study is to demonstrate that in patients with recuperated/normalized left ventricular function, defined as an ejection fraction (EF) ≥ 50%, after implantation of cardiac resynchronization therapy…
- Trial name
- STOP-CRT (NCT02200822)
- Testing
- beta blockers, RAAS blockers
- Where
- Belgium
- Volunteers
- 80 people
- Sponsor
- Hasselt University
Left Bundle-Branch Block, Heart Failure
Absolute Coronary Flow in Patients With Heart Failure With Reduced Ejection Fraction and Left Bundle Branch Block With Cardiac Resynchronization Therapy
Cardiac resynchronization therapy (CRT) is an effective therapeutic strategy in patients with symptomatic heart failure (HF) patients with LVEF of ≤35% and left bundle branch block (LBBB).
- Conditions
- Left Bundle-Branch Block, Heart Failure, Cardiac Resynchronization Therapy, Dilated Cardiomyopathy
- Trial name
- FLOW-LBBB (NCT05564689)
- Testing
- Intracoronary flow and pressure
- Where
- Denmark
- Volunteers
- 60 people
- Sponsor
- Ashkan Eftekhari
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
Implementation of a Protocol Utilizing Adaptive CRT in a Normal AV Conduction, CRT Non-Response Population at Generator Replacement
IMPROVE RESPONSE is a physician initiated research study. It is a prospective, non-randomized, multi-center, post-market, U.S. Cardiac Resynchronization Therapy (CRT) in heart failure (HF) observational study.
- Trial name
- NCT03305393
- Testing
- Adaptiv CRT
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Stern Cardiovascular Foundation, Inc.
Heart Failure, Left Bundle-Branch Block
Resynchronization in Paced Heart Failure Patients With Implantable Cardioverter Defibrillator (ICD) Indication
Today patients with a Cardiac Resynchronization Therapy (CRT) indication usually receive 2 ventricular leads, right ventricular (RV) apex and left ventricular (LV) (postero-) lateral, gaining a responder rate of approximately…
- Trial name
- CRTICD Dual LV (NCT01415024)
- Testing
- second LV lead in CRT
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Schuechtermann-Klinik
AV Block
Left Septal Pacing or Left Bundle Branch Pacing to Avoid Left Ventricle Systolic Dysfunction
Right ventricular apical pacing (RVAP) can produce left ventricular dysfunction (LVD). Conduction system pacing (CSP) has been used successfully to reverse LVD in patients with left bundle branch block.
- Trial name
- STAY II (NCT06707662)
- Testing
- Pacemaker and defibrillator
- Where
- Spain
- Volunteers
- 150 people
- Sponsor
- Parc de Salut Mar
Heart Failure, Systolic Bundle Branch Block, Left
Advancing Clinical Heart Failure Outcomes Leveraging Defibrillation Lead Implant System for Left Bundle Branch Area Pacing
This 2x2 randomized crossover feasibility study will evaluate the therapeutic value of adding pacing from the left ventricular lead to Left Bundle Branch Area Pacing (LBBAP) using a cardiac resynchronization therapy defibrillator…
- Trial name
- ACHIEVED LBBAP (NCT07526896)
- Testing
- LBBAP Therapy, LOT-CRT, ICD
- Where
- United States
- Volunteers
- 110 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Acute Coronary Syndrome
Management of Acute Myocardial Infarction in the Presence of Left Bundle Branch Block
The primary objective of this study is to propose new treatment algorithm (strategy) for patients with Acute Coronary Syndrome (ACS) and left bundle-branch block (LBBB).
- Trial name
- NCT01494870
- Testing
- PCI
- Where
- Russia
- Volunteers
- 300 people
- Sponsor
- Samara Regional Cardiology Dispensary
Left Ventricular Dyssynchrony, Heart Failure
Myocardial Work and Metabolism in CRT
Several attempts have been made to refine selection criteria for cardiac resynchronisation therapy (CRT) in heart failure patients with reduced ejection fraction (HFrEF).
- Conditions
- Left Ventricular Dyssynchrony, Heart Failure, Left Bundle Branch Block, Cardiomyopathy
- Trial name
- WORK-CRT (NCT02537782)
- Testing
- Cardiac resynchronisation therapy, Echocardiography, Magnetic Resonance Imaging
- Where
- 2 sites in Belgium, Norway
- Volunteers
- 200 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Aortic Valve Stenosis, AV Block
Left Bundle Branch Area Pacing in Patients After TAVR
Prospective, randomized, single center clinical trial to compare the outcome of left bundle branch area pacing versus right ventricular apical pacing in patients with higher degree atrio-ventricular block and a normal left…
- Conditions
- Aortic Valve Stenosis, AV Block, Pacing-Induced Cardiomyopathy
- Trial name
- PLANET (NCT05024279)
- Testing
- Left bundle branch area pacing, Right ventricular pacing
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Ludwig-Maximilians - University of Munich
Transcatheter Aortic Valve Replacement
Prognostic Factors in NOP-LBBB After TAVI
The goal of this observational study is to find prognostic factors in patients with a new-onset persistent left bundle branch block (NOP-LBBB) after transcatheter aortic valve implantation (TAVI).
- Trial name
- ProgNOP-LBBB (NCT05654792)
- Testing
- Transcatheter aortic valve implantation
- Volunteers
- 230 people
- Sponsor
- Central Hospital, Nancy, France
Cardiomyopathies, Heart Failure
Factors Associated With Response to Cardiac Resynchronization Therapy in Heart Failure Patients With Non-LBBB ECG Pattern
Cardiac resynchronization therapy with a defibrillator (CRT-D) in heart failure (HF) patients without left bundle branch block (non-LBBB) has been less beneficial to improve outcomes despite being a guideline indicated therapy…
- Conditions
- Cardiomyopathies, Heart Failure, Non-left Bundle Branch Block, Cardiac Resynchronization Therapy
- Trial name
- FACT-CRT (NCT06977217)
- Testing
- CRT-D implantation
- Where
- United States
- Volunteers
- 270 people
- Sponsor
- University of Rochester