Core Viewpoint - The company has completed patient enrollment for the Phase III clinical trial of BA1104 (Nivolumab Injection) in China, making it the first biosimilar of Opdivo to enter Phase III trials domestically [1][2] Company Summary - BA1104 is a humanized monoclonal antibody (IgG4 subtype) targeting the programmed cell death protein 1 (PD-1) receptor, enhancing T-cell anti-tumor responses by blocking the interaction between PD-1 and its ligands PD-L1 and PD-L2 [1] - The Phase III trial is a randomized, double-blind, multi-center study comparing the efficacy, safety, and immunogenicity of BA1104 combined with chemotherapy against Opdivo in patients with advanced or metastatic esophageal squamous cell carcinoma [2] - The completed Phase I trial results indicate that BA1104 is highly comparable to Opdivo in terms of pharmacokinetics, safety, and immunogenicity, achieving all study endpoints, with results published in the international journal "BioDrugs" [2] Industry Summary - PD-1 inhibitors represent a major approach in cancer immunotherapy, with ongoing breakthroughs in combination therapies and the synergistic development of diverse immunotherapies expanding their clinical application boundaries [2] - The global sales of Opdivo are projected to reach approximately $9.3 billion in 2024 [2] - According to a Frost & Sullivan report, the market size for PD-1/L1 antibodies in China is expected to reach 59.9 billion RMB by 2030 [2]
博安生物：纳武利尤单抗中国Ⅲ期临床试验完成所有患者入组