A Clinical Study to Evaluate Efficacy and Safety of Serplulimab（HLX10） Combined With Bevacizumab（HLX04) and Chemotherapy (XELOX) in Patients With Metastatic Colorectal Cancer (mCRC)

This is a two-arm, randomized, double-blinded, multicenter phase III clinical study to evaluate the clinical efficacy of Serplulimab (HLX10) in Combination With Bevacizumab (HLX04) and Chemotherapy (XELOX) Versus Placebo in Combination With Bevacizumab (HLX04) and Chemotherapy (XELOX) in First-line Treatment of Patients With Metastatic Colorectal Cancer (mCRC)