CHENGDU, China, May 30, 2026 /PRNewswire/ -- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (the "Company", 6990.HK) announced today that the results of the Phase III clinical study OptiTROP-Lung05, evaluating the company's trophoblast cell-surface antigen 2 (TROP2)-directed antibody drug conjugate (ADC) sacituzumab tirumotecan (sac-TMT, also known as SKB264/MK-2870)(佳泰莱®) in combination with pembrolizumab (KEYTRUDA®[1], MSD's anti-programmed cell death protein 1 (PD-1) antibody) as first-line treatment for Programmed Death-Ligand 1 (PD-L1) Tumor Proportion Score (TPS)≥1% non-small cell lung cancer (NSCLC), have been published in the prestigious international medical journal The Lancet (IF=88.5)[2]. The co-senior authors are: Professor Caicun Zhou from Shanghai East Hospital, Tongji University; and Dr. Junyou Ge, Director of the National Engineering Research Centre of Targeted Biologics. The co‑first authors are: Professor Anwen Xiong from Shanghai East Hospital, Tongji University; Professor Wenxiu Yao from Sichuan Cancer Hospital; Professor Wei Zheng from Shengjing Hospital, China Medical University; Professor Yan Yu from Harbin Medical University Cancer Hospital; Professor Peng Chen from Tianjin Medical University Cancer Institute and Hospital; Professor Hua Zhong from Shanghai Chest Hospital; and Dr. Junyou Ge, Director of the National Engineering Research Centre of Targeted Biologics. The study findings were also selected for an oral presentation at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting (Abstract #8506, Lung Cancer – Metastatic Non-Small Cell).
