Nivolumab anti-PD-1) is a genetically engineered fully human immunoglobulin Ig) G4 monoclonal antibody directed against the negative immunoregulatory human cell surface receptor programmed death-1PD-1PCD-1) with immune checkpoint inhibitory and antineoplastic activities.

IMMH 010 maleate (YPD-30 maleate) is an orally available programmed cell death ligand 1 inhibitor with potential antitumor activity for the study of neurological disorders and advanced malignant solid tumors.

Durvalumab (MEDI 4736) is a humanized monoclonal antibody targeting PD-L1. It can block the interaction of PD-L1 with PD-1 and CD80, with IC50 values of 0.1 and 0.04 nM, respectively.