# Impact of Left Bundle Branch Area Pacing vs. Right Ventricular Pacing in Atrioventricular Block (LEAP-Block)

> **NCT04730921** · NA · COMPLETED · sponsor: **Fu Wai Hospital, Beijing, China** · enrollment: 486 (actual)

## Conditions studied

- Atrioventricular Block
- Left Bundle Branch Area Pacing
- Right Ventricular Pacing
- Heart Failure

## Interventions

- **DEVICE:** Left bundle branch area pacing
- **DEVICE:** Right ventricular pacing

## Key facts

- **NCT ID:** NCT04730921
- **Lead sponsor:** Fu Wai Hospital, Beijing, China
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-11-13
- **Primary completion:** 2025-06-30
- **Final completion:** 2025-12-01
- **Target enrollment:** 486 (ACTUAL)
- **Last updated:** 2025-12-30

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04730921

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04730921, "Impact of Left Bundle Branch Area Pacing vs. Right Ventricular Pacing in Atrioventricular Block (LEAP-Block)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04730921. Licensed CC0.

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