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Benmelstobart - Apollomics/Chia Tai Tianqing Pharmaceutical Group

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Drug Profile

Benmelstobart - Apollomics/Chia Tai Tianqing Pharmaceutical Group

Alternative Names: Anti-PD-L1 monoclonal antibody - Apollomics/Chia Tai Tianqing Pharmaceutical Group; APL 502; CBT-502; PD-L1 antibody - Apollomics/Chia Tai Tianqing Pharmaceutical Group​; TQ-B2450

Latest Information Update: 28 Jan 2026

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At a glance

  • Originator Apollomics; Crown Bioscience
  • Developer Apollomics; Chia Tai Tianqing Pharmaceutical Group
  • Class Antineoplastics; Antivirals; Immunotherapies; Monoclonal antibodies
  • Mechanism of Action Antibody-dependent cell cytotoxicity; Programmed cell death-1 ligand-1 inhibitors; T lymphocyte stimulants
  • 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

Highest Development Phases

  • Marketed Small cell lung cancer
  • Preregistration Endometrial cancer
  • Phase III Biliary cancer; Non-small cell lung cancer; Ovarian cancer; Renal cancer; Squamous cell cancer; Triple negative breast cancer
  • Phase II/III Adenocarcinoma; Gastric cancer
  • Phase II Diffuse large B cell lymphoma; Gynaecological cancer; Hepatitis B; Hodgkin's disease; Liver cancer; Nasopharyngeal cancer; Uterine cancer
  • Phase I/II Acral lentiginous melanoma; Cholangiocarcinoma
  • No development reported Solid tumours

Most Recent Events

  • 28 Jan 2026 No recent reports of development identified for preclinical development in Solid-tumours in USA (IV, Injection)
  • 30 Nov 2025 Chia Tai Tianqing Pharmaceutical Group terminates phase II trial in Uterine cancer and Endometrial cancer (Combination therapy, Late-stage disease) in China (IV) as per sponsor's decision (NCT05481645)
  • 30 May 2025 Efficacy and adverse event data from phase III trial in Non-small cell lung cancer presented at the 61st Annual Meeting of the American Society of Clinical Oncology (ASCO-2025)

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