CHENGDU, China, May 29, 2026 /PRNewswire/ -- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (the "Company", 6990.HK) announced today that at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago, the results of the Phase III clinical study OptiTROP-Lung05, evaluating the company's TROP2 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), was presented as an oral presentation by Professor Caicun Zhou from Shanghai East Hospital, Tongji University (Abstract #8506, Lung Cancer – Metastatic Non-Small Cell).

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