Codrituzumab is a monoclonal antibody targeting GPC3 (glypican-3). GPC3 is an oncofetal protein expressed on the cell surface of hepatocellular carcinoma (HCC). Codrituzumab induces antibody-dependent cellular cytotoxicity (ADCC) and inhibits tumor growth[1][2].
[1]. Mika Endo, et al. Abstract 2747: Anti-glypican-3 monoclonal antibody (codrituzumab/GC33/RO5137382) treatment enhances tumor infiltration of PD-L1-positive macrophages, and combination therapy with anti-PD-L1 monoclonal antibody promotes antitumor effects. Cancer Res (2018) 78 (13_Supplement): 2747.
[2]. Chen G, et al. Combining expression of GPC3 in tumors and CD16 on NK cells from peripheral blood to identify patients responding to codrituzumab. Oncotarget. 2018 Jan 2;9(12):10436-10444.