Harbour BioMed Announces Phase II Clinical Data Presentation of HBM4003 and Tislelizumab Combo for MSS Metastatic Colorectal Cancer at ESMO 2025

Reuters
07/30
Harbour BioMed Announces Phase II Clinical Data Presentation of HBM4003 and Tislelizumab Combo for MSS Metastatic Colorectal Cancer at ESMO 2025

Harbour BioMed (HKEX: 02142), a global biopharmaceutical company specializing in novel antibody therapeutics for immunology and oncology, has announced that it will present Phase II clinical data on its anti-CTLA-4 antibody, porustobart (HBM4003), in combination with tislelizumab for microsatellite stable $(MSS)$ metastatic colorectal cancer (mCRC). The presentation will take place at the ESMO Congress 2025 in Berlin, Germany, from October 17-21, 2025. The study, conducted at multiple centers, involved heavily pretreated non-liver metastatic MSS mCRC patients. Preliminary efficacy and safety data will be featured in a poster session. Porustobart, developed using the HCAb Harbour Mice® platform, offers unique properties such as significant Treg cell depletion and optimized pharmacokinetics. The company has observed positive efficacy and safety data in monotherapy and combination trials for various solid tumors.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. HBM Holdings Ltd. published the original content used to generate this news brief via PR Newswire (Ref. ID: CN38456) on July 30, 2025, and is solely responsible for the information contained therein.

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