Shanghai Henlius Biotech (HKG:2696) dosed the first patient in its international multi-center phase 3 clinical study of HLX22 in combination with Trastuzumab and chemotherapy as a first-line therapy for advanced or metastatic gastroesophageal junction and gastric cancer in mainland China.
The study aims to compare the efficacy and safety of HLX22 combined with trastuzumab and chemotherapy (XELOX) versus trastuzumab and XELOX with or without pembrolizumab as a first-line treatment for advanced or metastatic gastroesophageal junction and gastric cancer, according to a Friday filing.