deltatrials
Completed PHASE1/PHASE2 INTERVENTIONAL 7-arm NCT05612581

A Platform Study to Evaluate Investigational Therapies in Chronic Hepatitis B Infection

A Platform Study Evaluating the Efficacy and Safety of Investigational Therapies in Participants With Chronic Hepatitis B Infection (PREVAIL)

Sponsor: Vir Biotechnology, Inc.

Updated 13 times since 2022 Last updated: Jan 28, 2026 Started: May 10, 2023 Primary completion: Oct 15, 2024 Completion: Aug 19, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE1/PHASE2 clinical study on Hepatitis B, Chronic, this trial is completed. The trial is conducted by Vir Biotechnology, Inc. and has accumulated 13 data snapshots since 2023. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshot~Jan 2023 – ~Mar 2023 · 59 days · monthly snapshot~Mar 2023 – ~May 2023 · 2 months · monthly snapshot~May 2023 – ~Jul 2023 · 2 months · monthly snapshot~Jul 2023 – ~Oct 2023 · 3 months · monthly snapshot~Oct 2023 – ~Mar 2024 · 5 months · monthly snapshot~Mar 2024 – ~Jul 2024 · 4 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~May 2025 · 8 months · monthly snapshot~May 2025 – ~Sep 2025 · 4 months · monthly snapshot~Sep 2025 – ~Dec 2025 · 3 months · monthly snapshot~Dec 2025 – ~Feb 2026 · 2 months · monthly snapshot~Feb 2026 – present · 5 months · monthly snapshot

Change History

13 versions recorded
  1. Feb 2026 — Present [monthly]

    Completed PHASE1/PHASE2

  2. Dec 2025 — Feb 2026 [monthly]

    Completed PHASE1/PHASE2

    Status: Active Not RecruitingCompleted

  3. Sep 2025 — Dec 2025 [monthly]

    Active Not Recruiting PHASE1/PHASE2

  4. May 2025 — Sep 2025 [monthly]

    Active Not Recruiting PHASE1/PHASE2

  5. Sep 2024 — May 2025 [monthly]

    Active Not Recruiting PHASE1/PHASE2

Show 8 earlier versions
  1. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE1/PHASE2

    Phase: PHASE1_PHASE2PHASE1/PHASE2

  2. Mar 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE1_PHASE2

    Status: RecruitingActive Not Recruiting

  3. Oct 2023 — Mar 2024 [monthly]

    Recruiting PHASE1_PHASE2

  4. Jul 2023 — Oct 2023 [monthly]

    Recruiting PHASE1_PHASE2

  5. May 2023 — Jul 2023 [monthly]

    Recruiting PHASE1_PHASE2

  6. Mar 2023 — May 2023 [monthly]

    Recruiting PHASE1_PHASE2

  7. Jan 2023 — Mar 2023 [monthly]

    Recruiting PHASE1_PHASE2

    Status: Not Yet RecruitingRecruiting

  8. Dec 2022 — Jan 2023 [monthly]

    Not Yet Recruiting PHASE1_PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Vir Biotechnology, Inc.
Data source: Vir Biotechnology, Inc.

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