deltatrials
Completed NA INTERVENTIONAL 2-arm NCT04730921

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

Impact of Left Bundle Branch Area Pacing vs. Right Ventricular Pacing in Atrioventricular Block (LEAP-Block): A Randomized Controlled Trial

Sponsor: Affiliated Hospital of Qinghai University

Conditions Atrioventricular Block Heart Failure Left Bundle Branch Area Pacing Right Ventricular Pacing
Interventions Left bundle branch area pacing Right ventricular pacing
Updated 13 times since 2021 Last updated: Dec 26, 2025 Started: Nov 13, 2020 Primary completion: Jun 30, 2025 Completion: Dec 1, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04730921, this NA trial focuses on Atrioventricular Block and Heart Failure and remains completed. Sponsored by Affiliated Hospital of Qinghai University, it has been updated 13 times since 2020, reflecting substantial change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshot~Mar 2021 – ~Apr 2022 · 13 months · monthly snapshot~Apr 2022 – ~Sep 2022 · 5 months · monthly snapshot~Sep 2022 – ~Feb 2023 · 5 months · monthly snapshot~Feb 2023 – ~Sep 2023 · 7 months · monthly snapshot~Sep 2023 – ~Dec 2023 · 3 months · monthly snapshot~Dec 2023 – ~Jul 2024 · 7 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Jan 2025 · 4 months · monthly snapshot~Jan 2025 – ~Jun 2025 · 5 months · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – ~Jan 2026 · 4 months · monthly snapshot~Jan 2026 – present · 8 months · monthly snapshot

Change History

13 versions recorded

  1. Jan 2026 — Present [monthly]

    Completed NA

    Status: Recruiting → Completed

  2. Sep 2025 — Jan 2026 [monthly]

    Recruiting NA

  3. Jun 2025 — Sep 2025 [monthly]

    Recruiting NA

  4. Jan 2025 — Jun 2025 [monthly]

    Recruiting NA

  5. Sep 2024 — Jan 2025 [monthly]

    Recruiting NA

▶ Show 8 earlier versions

  1. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

  2. Dec 2023 — Jul 2024 [monthly]

    Recruiting NA

  3. Sep 2023 — Dec 2023 [monthly]

    Recruiting NA

  4. Feb 2023 — Sep 2023 [monthly]

    Recruiting NA

  5. Sep 2022 — Feb 2023 [monthly]

    Recruiting NA

  6. Apr 2022 — Sep 2022 [monthly]

    Recruiting NA

  7. Mar 2021 — Apr 2022 [monthly]

    Recruiting NA

  8. Feb 2021 — Mar 2021 [monthly]

    Recruiting NA

    First recorded

Nov 2020

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Affiliated Hospital of Qinghai University
  • Beijing Anzhen Hospital
  • Beijing Friendship Hospital
  • Chinese Academy of Medical Sciences, Fuwai Hospital
  • Chinese Society of Cardiology
  • First Affiliated Hospital of Chongqing Medical University
  • Fu Wai Hospital, Beijing, China
  • Peking Union Medical College Hospital
  • Peking University First Hospital
  • Shanxi Cardiovascular Hospital
  • TEDA International Cardiovascular Hospital
  • The First Affiliated Hospital of Zhengzhou University
  • The Second Hospital of Hebei Medical University
  • Tianjin Medical University General Hospital
  • Wuxi People's Hospital
Data source: Fu Wai Hospital, Beijing, China

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations