Core Viewpoint - The stock of HBM Holdings (02142) rose over 5% following the announcement of presenting new clinical data at the upcoming ESMO annual meeting in Berlin [1] Group 1: Clinical Developments - HBM Holdings will present Phase II clinical data for its fully human anti-CTLA-4 antibody, HBM4003, in combination with Tislelizumab for microsatellite stable (MSS) metastatic colorectal cancer (mCRC) from October 17 to 21 [1] - The company has initiated a global development plan for HBM4003 targeting various solid tumors, utilizing an adaptive treatment design [1] Group 2: Strategic Partnerships - In June, HBM Holdings announced a collaboration with Otsuka Pharmaceutical to advance HBM7020 in the autoimmune field, with Otsuka acquiring rights outside Greater China [1] - Otsuka will pay a total of $47 million in upfront and milestone payments, with potential additional payments of up to $623 million based on future product net sales [1] - The rights for this drug in China were previously licensed to Huahai Biological (002007) in 2020 [1]

Core Viewpoint - The company will present Phase II clinical data for its novel fully human only heavy chain anti-CTLA-4 antibody, HBM4003, in combination with Tislelizumab for microsatellite stable metastatic colorectal cancer (mCRC) at the 2025 European Society for Medical Oncology (ESMO) annual meeting in Berlin from October 17 to October 21, 2025 [1] Group 1 - HBM4003 is developed from the HCAb Harbour Mice® platform and is the first fully human only heavy chain antibody to enter clinical stages globally [1] - Compared to traditional anti-CTLA-4 antibodies, HBM4003 shows significantly enhanced Treg cell clearance and optimized pharmacokinetics, contributing to improved safety [1] - HBM4003 enhances antibody-dependent cellular cytotoxicity (ADCC), increasing the potential for selective clearance of intratumoral Treg cells, which may overcome efficacy and toxicity limitations of existing CTLA-4 therapies [1] Group 2 - The company has initiated a global development plan for HBM4003 targeting various solid tumors, employing an adaptive treatment design [1] - Positive efficacy and safety data have been observed in clinical trials for advanced solid tumors, both as monotherapy and in combination with PD-1 inhibitors for melanoma, colorectal cancer, neuroendocrine cancer, and hepatocellular carcinoma [1]

格隆汇7月30日丨和铂医药-B(02142.HK)发布公告，公司将于2025年10月17日至10月21日在德国柏林举 办的2025年欧洲肿瘤内科学会(ESMO)年会上，公布其新一代全人源仅重链抗CTLA-4抗体普鲁苏拜单抗 (HBM4003)联合替雷利珠单抗治疗微卫星稳定型(MSS)转移性结直肠癌(mCRC)的II期临床数据。 ...