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双特异性抗体(BsAb)及其偶联药物(BsADC)
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百奥赛图:从“千鼠万抗”到全球新药研发加速器
Xin Lang Zheng Quan· 2025-09-19 07:59
Core Insights - The recent World Lung Cancer Conference showcased the impressive efficacy data of BaiLi Tianheng's EGFR/HER3 bispecific antibody ADC (BL-B01D1), marking a new era led by bispecific antibodies (BsAb) and their conjugates (BsADC) in oncology [1] - BaiAo SaiTu is emerging as a key player in the industry, recognized as a "enabler" and "infrastructure provider" for new drug development, with recent collaborations yielding significant upfront and milestone payments [1] Group 1: Company Evolution - BaiAo SaiTu started with gene editing technology and has developed a platform centered around humanized mouse models for antibody drug discovery, exemplified by the "Thousand Mice, Ten Thousand Antibodies" initiative [2] - The RenMice platform, with proprietary intellectual property, allows for the pre-construction of a large library of antibody molecules, significantly shortening development time and increasing success rates [2] Group 2: Technological Advancements - The RenLite platform addresses the chain mismatch issue in bispecific antibody development, simplifying production to a level comparable to monoclonal antibodies [3] - This platform has attracted global partners such as ABL Bio and SOTIO, who are exploring bispecific ADCs and multi-payload ADCs [3][4] Group 3: Broader Antibody Development - BaiAo SaiTu is also advancing in the field of nanobodies through the RenNano platform, which offers new possibilities for targeting solid tumors due to their small size and penetration capabilities [5] - The modular design of RenNano allows for collaboration with RenLite to explore complex multispecific antibodies, providing innovative solutions for autoimmune and oncology fields [5] Group 4: Business Model and Value Creation - BaiAo SaiTu's business model includes licensing fees, milestone payments, and future sales sharing, creating a robust and diversified value pyramid [6] - The company's model, based on absolute technological scarcity, grants it significant bargaining power within the global industry chain, positioning it as a true value creator in the innovative drug sector [6] Group 5: Industry Impact - BaiAo SaiTu continues to empower the industry through its RenMice and "Thousand Mice, Ten Thousand Antibodies" initiatives, acting as an accelerator rather than just a pipeline biotech [7] - The company is constructing its own global value pyramid, contributing significantly to the new drug development landscape [7]