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Clinical Trial Summary

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 block.


Clinical Trial Description

LEAP-BLOCK is a prospective, multi-center, randomized controlled trial that is designed to determine whether left bundle branch area pacing (LBBAP) may reduce the risk of RV ventricular pacing induced cardiac dysfunction as compared with traditional RV pacing (RVP) in patients with atrioventricular (AV) block and normal LV function (LVEF≄50%) who require high percent of ventricular pacing. The primary aim of this trial is to compare the time to first event (composite of all-cause mortality and newly heart failure hospitalization and device upgrade due to heart failure) between LBBAP and RVP group in patients with AV block. Patients with AV block and normal LV function who require high burden of ventricular pacing (expected >40%) will be randomized to LBBAP or RVP group for therapy. Patients will be followed at least every 3 months for clinical status and every 6 months for echocardiographic evaluation until the study closure. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04730921
Study type Interventional
Source Fu Wai Hospital, Beijing, China
Contact Xiaofei Li, M.D.
Phone +8617801013995
Email lixiaofei0103@163.com
Status Recruiting
Phase N/A
Start date November 13, 2020
Completion date December 31, 2025

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