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BW 20507

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Drug Profile

BW 20507

Alternative Names: BW-20507; Hepatitis B siRNA

Latest Information Update: 04 Sep 2025

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At a glance

  • Originator Argo Biopharma
  • Class Antivirals; Small interfering RNA
  • Mechanism of Action Hepatitis B surface antigen expression inhibitors; RNA interference
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes
  • Available For Licensing Yes

Highest Development Phases

  • Phase I/II Hepatitis B

Most Recent Events

  • 22 Aug 2025 Shanghai Argo Biopharmaceutical plans a phase II trial for Hepatitis B (Combination therapy) in China, in September 2025 (NCT07135349)
  • 20 Feb 2024 BW 20507 is available for licensing as of 20 Feb 2024. https://www.argobiopharma.com/partnering/index.html (Argo Biopharma pipeline, February 2024)
  • 02 Aug 2023 Phase-I/II clinical trials in Hepatitis B (In adults) in Thailand (SC), Australia (SC), Hong Kong (SC) (ACTRN12623000708651)

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