Clinical trials: Cardiac Resynchronization
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
Cardiac Resynchronization Therapy
ElectrocardioGraphic Imaging During Left bUndle Branch Implant to valiDate Ecg Criteria
The goal is to validate the resynchronization criteria with a non-invasive technique, during the LBBP implant. Non-invasive real-time ventricular activation maps will be created and analyzed before, during, and after the…
- Trial name
- GUIDE (NCT06509763)
- Testing
- ECGI system during LBBP implant
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Hospital Clinic of Barcelona
Ischemic Mitral Regurgitation
Effect of Ranolazine on Valvular Disease in Patients With Pacemakers
The purpose of this study is to find out whether mitral regurgitation (or a leaky heart valve) caused by ischemic heart disease (decreased blood flow to heart muscle) will improve after administration of ranolazine.
- Trial name
- REIN-MR (NCT01979965)
- Testing
- Ranolazine (Active drug)
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University Cardiology
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
Heart Failure With Reduced Ejection Fraction
Improving CRT Outcome With Non-Invasive Cardiac Mapping
The ICONIC-M study is a multicenter randomized controlled study to assess patient response to CRT comparing ECGI map guided left ventricular lead placement with empirical lead placement.
- Trial name
- ICONIC-M (NCT05564793)
- Testing
- Pre-implantation planning, Post-implantation assessment
- Where
- 11 sites in Netherlands, Portugal and 2 more
- Volunteers
- 330 people
- Sponsor
- EP Solutions SA
Heart Failure, Pacemaker DDD
Non-Invasive Method for Evaluation of Cardiac Resynchronization Therapy
Left bundle branch block (LBBB) exists in about 25% of patients with congestive heart failure and is associated with worsened prognosis.
- Conditions
- Heart Failure, Pacemaker DDD, Cardiomyopathies, Heart Diseases
- Trial name
- NIME-CRT (NCT05868616)
- Testing
- Cardiac Resynchronization Therapy (CRT)
- Where
- Norway
- Volunteers
- 80 people
- Sponsor
- Oslo University Hospital
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, Cardiac Pacing, Artificial
Acute Effects of LBBP Versus BVP for CRT
The study was designed to compare the acute effects of left bundle branch pacing (LBBP) with biventricular pacing (BVP) in patients with left ventricular ejection fraction (LVEF) <=35% with left bundle branch block (LBBB).
- Conditions
- Heart Failure, Cardiac Pacing, Artificial, Cardiac Resynchronization Therapy
- Trial name
- NCT04505384
- Testing
- left bundle branch pacing, biventricular pacing
- Where
- China
- Volunteers
- 25 people
- Sponsor
- Shanghai Zhongshan Hospital
Heart Failure
OVATIO CRT and SITUS OTW LV Lead Post Approval Study
Post approval study measuring safety outcomes on the Ovatio CRT-D and SITUS OTW LV lead over 5 years.
- Trial name
- NCT00795873
- Where
- 33 sites in United States
- Volunteers
- 2,260 people
- Sponsor
- ELA Medical, Inc.
Heart Failure
Role of Cardiac Computed Tomography in Optimising Response to Cardiac Resynchronisation Therapy
The purpose of this study is to determine if detailed scanning of the heart before biventricular device insertion will improve outcomes for heart failure patients.
- Trial name
- NCT02434159
- Testing
- Heart scan
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- University College, London
Heart Failure, Systolic, Left Bundle Branch Block
Acute Hemodynamic Effects of Pacing the His Bundle in Heart Failure
Cardiac resynchronization therapy (CRT) with biventricular pacing (BVP) is indicated for patients with low ejection fraction and persistent symptoms of heart failure despite medical therapy and a wide QRS-complex, preferably with…
- Conditions
- Heart Failure, Systolic, Left Bundle Branch Block, Wide QRS Complex
- Trial name
- HEPA-His (NCT04701112)
- Testing
- Temporary His bundle pacing
- Where
- Sweden
- Volunteers
- 2 people
- Sponsor
- Region Skane
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
Atrial Fibrillation (AF), Heart Failure
LBBAP vs. CS Pacing for CRT in Permanent Atrial Fibrillation and Heart Failure (SYNC-AF)
This is a prospective, multicenter, randomized controlled trial comparing Left Bundle Branch Area Pacing (LBBAP)-based cardiac resynchronization therapy (CRT) with conventional coronary sinus (CS) lead-based CRT in patients with…
- Conditions
- Atrial Fibrillation (AF), Heart Failure, Cardiomyopathies
- Trial name
- SYNC-AF (NCT07560891)
- Testing
- Left Bundle Branch Area Pacing (LBBAP) for CRT, Coronary Sinus (CS) Lead-Based Biventricular CRT
- Volunteers
- 44 people
- Sponsor
- Yonsei University
Heart Failure
BBAP With CS Mapping Guidance
Study Title Efficacy and Safety of Coronary Sinus-Based Left Atrial Mapping for Guiding Atrial Lead Implantation Targeting Bachmann Bundle Capture in Cardiac Resynchronization Therapy Research Objectives This study intends to use…
- Trial name
- NCT07531368
- Testing
- CS mapping guidance, ECG guidance
- Volunteers
- 40 people
- Sponsor
- Shanghai Zhongshan Hospital
Heart Failure
MOnitoring REsynchronization deviCes and cARdiac patiEnts
The objective of this study is to compare two different strategies of disease management in heart failure patients treated with cardiac resynchronization therapy devices 1. Remote monitoring with CareLink Network System 2.
- Trial name
- MORE-CARE (NCT00885677)
- Testing
- Medtronic CareLink® Network
- Where
- 64 sites in Czechia, France and 8 more
- Volunteers
- 918 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Cardiac Resynchronization Therapy, Heart Failure
POsition of Leads in Advanced heaRt Failure: the POLAR Study
The primary objective is to determine if lead positioning in the lateral wall of the left ventricle in patients meeting criteria for cardiac resynchronization therapy plays a role in determining myocardial function and affects…
- Trial name
- POLAR (NCT01515761)
- Testing
- Postero-lateral, Antero-Lateral
- Where
- 2 sites in United States
- Volunteers
- 60 people
- Sponsor
- Sergio Thal, M.D.
Heart Failure
PRISM Cardiac Resynchronisation Therapy (CRT) Randomised Controlled Trial
Cardiac resynchronisation therapy (CRT) is an established treatment for improving symptoms in patients with congestive heart failure (CHF) by left ventricular (LV) pacing.
- Trial name
- NCT01429753
- Testing
- Advanced Imaging Guided LV lead placement, Standard LV lead placement
- Volunteers
- 270 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Sleep Apnea, Arrhythmias
Automate Detection of Sleep Apnea by ApneascanTM
The purpose of the study is to compare, three months after implantable cardioverter-defibrillator (ICD) or cardiac resynchronization therapy-defibrillator (CRT-D), the apnea-hypopnea index (AHI) obtained from conventional in-lab…
- Trial name
- AIRLESS (NCT02045173)
- Testing
- Apneascan TM, Polysomnography/polygraphy
- Where
- 5 sites in France
- Volunteers
- 41 people
- Sponsor
- University Hospital, Grenoble
Atrial Fibrillation, Persistent
Optimal Pacing Rate for Cardiac Resynchronization Therapy
This is a prospective, randomized crossover study. The objective of the study is to determine if a pacing rate of 80 beats per minute (bpm) improves exercise tolerance during the 6-minute walk test.
- Trial name
- OPT-RATE AF (NCT06445439)
- Testing
- Pacing rate of 80 bpm, Pacing rate of 60 bpm
- Where
- 5 sites in United States
- Volunteers
- 60 people
- Sponsor
- Medstar Health Research Institute