创胜集团-B：创胜医药于ESMO Asia公布osemitamab三联疗法一线治疗胃或胃食管结合部腺癌的I/II期(Transtar102)更新疗效数据

Core Insights - The company announced promising clinical results for osemitamab in combination with nivolumab and CAPOX as a first-line treatment for gastric or gastroesophageal junction adenocarcinoma, presented at the ESMO Asia Congress 2025 [1][2] Group 1: Clinical Trial Results - The updated efficacy analysis from the TranStar102 trial showed a median progression-free survival (mPFS) of 16.6 months and an objective response rate (ORR) of 68% among 26 patients with CLDN18.2 expression ≥40% and PD-L1 CPS known [1] - The median duration of response (mDoR) was reported at 18 months, indicating significant clinical benefits from the treatment [1] - Higher CLDN18.2 expression patients demonstrated better PFS regardless of PD-L1 expression levels, suggesting consistent potential therapeutic benefits [1] Group 2: Safety and Clinical Benefit - The safety profile of osemitamab was consistent with previously reported data from the ASCO 2025 conference, indicating good safety and tolerability [2] - The principal investigator highlighted the consistent clinical benefits across different PD-L1 subgroups, suggesting the treatment could provide significant improvements for advanced gastric or gastroesophageal junction adenocarcinoma patients [2] - The global clinical development executive vice president of the company expressed optimism about the strong clinical benefit signals and the potential of osemitamab to offer substantial benefits to patients in need of more effective treatment options [2]