( MENAFN - PR Newswire) CHENGDU, China, Oct. 31, 2024 /PRNewswire/ -- The new drug application (NDA) (the " Application ") based on the positive results from the pivotal phase III OptiTROP-Lung04 study of sacituzumab tirumotecan (sac-TMT, formerly SKB264/MK-2870) developed by Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.

(the "Company") was accepted by the Center for Drug Evaluation (CDE) of the National Medical Products Administration (NMPA) of China in adult patients with epidermal growth factor receptor (EGFR)-mutant locally advanced or metastatic non-small cell lung cancer (NSCLC) who progressed after treatment with EGFR-tyrosine kinase inhibitor (TKI) therapy. OptiTROP-Lung04 is a multi-center, randomized, registrational phase III clinical study that evaluates the efficacy and safety results of sac-TMT monotherapy versus pemetrexed plus platinum chemotherapy for the treatment of patients with EGFR-mutant locally advanced or metastatic NSCLC who progressed after treatment with EGFR- TKI therapy. At a pre-specified interim analysis, sac-TMT monotherapy demonstrated a statistically significant and clinically meaningful improvement in the primary endpoint of progression-free survival (PFS) as assessed by the blinded independent review committee (BIRC) compared with pemetrexed plus platinum chemotherapy.

Sac-TMT also showed a manageable safety profile, with no unexpected safety signals identified. The Application is the third NDA for sac-TMT that has been accepted by the .