Alphamab Oncology Co. Ltd. has won conditional marketing approval from China’s NMPA for KN-035 (envafolimab), the world’s first PD-1/PD-L1 antibody to be administered by subcutaneous injection. The drug was cleared for use in treating adult patients with advanced solid tumors who have unresectable or metastatic advanced microsatellite instability-high phenotype/mismatch-repair deficiency. That includes patients with advanced colorectal cancer who have experienced disease progression after previous therapy with fluorouracil, oxaliplatin and irinotecan.