Core Insights - The updated efficacy analysis of osemitamab in combination with nivolumab and CAPOX shows promising results in patients with advanced gastric/gastroesophageal junction cancer, particularly those with higher CLDN18.2 expression [1][2][4] Efficacy Analysis - In a cohort of 26 patients with CLDN18.2 expression ≥40%, the median progression-free survival (PFS) was 16.6 months, with an overall response rate (ORR) of 68% and a median duration of response (DoR) of 18 months at a median follow-up of 25.8 months [2] - Better PFS outcomes were observed in patients with higher CLDN18.2 expression compared to lower expressors, indicating consistent treatment benefits across different PD-L1 expression subgroups [2] Safety Profile - The safety profile of the osemitamab combination regimen is consistent with previous presentations, indicating it is well tolerated [3] Expert Commentary - Clinical experts highlight the significance of the consistent benefits across PD-L1 subgroups, suggesting that the osemitamab regimen may provide meaningful improvements for a broad patient population with advanced G/GEJ cancer [4] - The ongoing strength of clinical signals reinforces the potential of osemitamab to offer effective treatment options for patients [4] Product Information - Osemitamab is a high-affinity humanized anti-CLDN18.2 monoclonal antibody that exhibits enhanced antibody-dependent cellular cytotoxicity (ADCC) and has shown potent anti-tumor activities in preclinical models [5] - It has received Orphan Drug Designation in the U.S. for treating gastric or gastroesophageal junction and pancreatic cancer [5] Company Overview - Transcenta Therapeutics is a clinical-stage biopharmaceutical company focused on antibody-based therapeutics, with integrated capabilities in discovery, research, development, and manufacturing [6][7] - The company has established a global presence with facilities in Suzhou and Hangzhou, and clinical development centers in China, the U.S., and Europe [7]