Nature Medicine Publishes Results of Phase II Study of Sacituzumab Tirumotecan Plus Tagitanlimab as First-Line Therapy for NSCLC

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[{"type":"text","content":"CHENGDU, China, Aug. 19, 2025 /PRNewswire/ -- Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. ("Kelun-Biotech", HKEX: 6990) announced that clinical data from a Phase II study evaluating novel TROP2 antibody-drug conjugate (ADC) sacituzumab tirumotecan (sac-TMT) in combination with PD-L1 monoclonal antibody (mAb) tagitanlimab for the first-line treatment of advanced or metastatic non-small cell lung cancer (NSCLC) have been published in Nature Medicine (Impact Factor: 58.7).","length":495,"tagName":"p"},{"type":"image","alt":"(PRNewsfoto/四川科倫博泰生物醫藥股份有限公司)","displaySize":"","headline":null,"caption":"(PRNewsfoto/四川科倫博泰生物醫藥股份有限公司)","className":"","disableSlideshowImg":false,"size":{"original":{"width":400,"height":116,"url":"https://media.zenfs.com/en/prnewswire.com/5455aad5e4ea0b08ff580f6c7e429747"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/vx69Ffpvj_nbbyPMBYckiw--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTIwNDtjZj13ZWJw/https://media.zenfs.com/en/prnewswire.com/5455aad5e4ea0b08ff580f6c7e429747","width":400,"height":116}},"href":"https://mma.prnewswire.com/media/2650617/logo_kelun_Biotech_Logo.html","hrefExternal":true,"rel":"nofollow"},{"type":"text","content":"The publication highlighted initial findings from the Phase II OptiTROP-Lung01 study, evaluating the efficacy and safety results of sac-TMT in combination with tagitanlimab as a first-line treatment of advanced or metastatic NSCLC patients without actionable genomic alterations. The study was led by Prof. Zhang Li's team at the Center for Cancer Prevention and Control, Sun Yat-sen University, China. Patients in Cohort 1A received sac-TMT (5 mg/kg, Q3W) plus tagitanlimab (1200 mg, Q3W) in a three-week cycle, while patients in Cohort 1B were treated with sac-TMT (5 mg/kg, Q2W) plus tagitanlimab (900 mg, Q2W) in a four-week cycle. Patients received sac-TMT in combination with tagitanlimab in a non-randomized manner until disease progression or unacceptable toxicity. Median follow-ups for Cohort 1A and Cohort 1B were 19.3 months and 13.0 months, respectively (Data cutoff date: May 27, 2024).","length":904,"tagName":"p"},{"type":"text","content":"The study results demonstrated promising anti-tumor activity, and ma...

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