PDCD1 and hepatocellular carcinoma: (28) Camrelizumab (AiRuiKaTM) is a humanized high-affinity IgG4-kappa PD-1 monoclonal antibody being developed by Jiangsu Hengrui Medicine Co. Ltd (Jiangsu Hengrui Medicine, Jiangsu, China) for the treatment of various malignancies including HCC, exhibiting promising antitumor activity and an acceptable safety profile.