Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. announced that its TROP2-directed antibody-drug conjugate $(ADC)$, sacituzumab tirumotecan (sac-TMT, also known as SKB264/MK-2870), has been approved by the National Medical Products Administration (NMPA) of China for a new indication. The approval covers the treatment of adult patients with unresectable or metastatic hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) breast cancer who have received at least one prior systemic therapy. This marks the fourth approved indication for sac-TMT by the NMPA.
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