Shanghai Henlius Biotech, Inc. (2696. HK) announced that its first self-developed innovative anti-PD-1 monoclonal antibody (mAb) HANSIZHUANG (generic name: serplulimab injection), in combination with carboplatin and etoposide for the first-line treatment of extensive stage small cell lung cancer (ES-SCLC), has been approved by the National Medical Products Administration (NMPA), making it the world’s first anti-PD-1 mAb for the first-line treatment of small cell lung cancer (SCLC).