Biotechnology China-based Kelun-Biotech Biopharmaceutical has received marketing authorization in China from National Medical Products Administration (NMPA) for the programmed cell death ligand 1(PD-L1)-directed innovative humanized monoclonal antibody (MAb) tagitanlimab (formerly KL-A167) used in combination with cisplatin and gemcitabine for the first-line treatment of patients with recurrent or metastatic nasopharyngeal cancer (NPC). 23 January 2025