deltatrials
Recruiting OBSERVATIONAL NCT04896255

Long-term Outcomes of Anti-viral Therapies in Patients With Chronic Viral Hepatitis B (OASIS)

Long-term Outcomes of Anti-viral Therapies in Patients With Chronic Viral Hepatitis B: A Multicenter, Real-world Study

Sponsor: Beijing Ditan Hospital

Updated 5 times since 2021 Last updated: Sep 30, 2025 Started: Sep 9, 2020 Primary completion: Nov 1, 2026 Completion: Dec 31, 2031
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Chronic Hepatitis b and is currently actively recruiting participants. Beijing Ditan Hospital leads this study, which shows 5 recorded versions since 2020 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Jun 2021 – ~Feb 2023 · 20 months · monthly snapshotRecruiting~Feb 2023 – ~Jul 2024 · 17 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2025 · 14 months · monthly snapshotRecruiting~Nov 2025 – present · 8 months · monthly snapshotRecruiting

Change History

5 versions recorded
  1. Nov 2025 — Present [monthly]

    Recruiting

  2. Sep 2024 — Nov 2025 [monthly]

    Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  4. Feb 2023 — Jul 2024 [monthly]

    Recruiting

  5. Jun 2021 — Feb 2023 [monthly]

    Recruiting

    First recorded

Sep 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Beijing Ditan Hospital
  • Beijing YouAn Hospital
  • Chinese Foundation for Hepatitis Prevention and Control
  • First Affiliated Hospital Xi'an Jiaotong University
  • First Affiliated Hospital of Chongqing Medical University
  • Henan Provincial People's Hospital
  • Huashan Hospital
  • Ningbo Beilun District Traditional Chinese Medicine Hospital
  • Qingdao No.6 People's Hospital
  • Taicang No.1 People's hospital
  • The First Affiliated Hospital of Anhui Medical University
  • The First Affiliated Hospital of Xiamen University
  • The Fourth Affiliated Hospital of Zhejiang University School of Medicine
  • The Third People's Hospital of Taiyuan
  • Third Affiliated Hospital, Sun Yat-Sen University
  • Tianjing No.2 People's Hospital
  • Wuxi No.5 People's Hospital
  • Yunnan Provincial No.1 Hospital
Data source: Huashan Hospital

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

Study Locations