Group 1 - BeiGene announced the termination of the clinical development plan for Ociperlimab, an anti-TIGIT antibody, as a potential treatment for lung cancer based on an independent data monitoring committee's recommendation [1] - The phase 3 clinical trial (AdvanTIG-302) was suggested to be terminated due to the overall efficacy and safety data indicating difficulty in achieving the primary endpoint of overall survival [1] - As of mid-2024, BeiGene has invested a total of 2.09 billion yuan in the Ociperlimab project, which has enrolled over 2,000 patients [1] Group 2 - TIGIT is considered a potential target for tumor immunotherapy following PD-1/PD-L1, with its mechanism involving the blockade of TIGIT-ligand binding to reactivate T cells against tumors [2] - Roche has been a leader in the TIGIT target field, but announced the termination of several clinical trials related to TIGIT antibodies due to unmet expectations in lung cancer trials [2] - Merck also announced the termination of its TIGIT monoclonal antibody Vibostolimab's clinical development project after its phase 3 trial faced failure [2]
百济神州终止TIGIT抗体欧司珀利单抗肺癌治疗临床开发计划 已累计投入超20亿元