title: Keytruda UK's first early-access drug.
mesh_terms: D061067:Antibodies, Monoclonal, Humanized / Q000627:therapeutic use*; D017277:Drug Approval; D006801:Humans; D008545:Melanoma / Q000188:drug therapy*; D006113:United Kingdom
chemical_list: D061067:Antibodies, Monoclonal, Humanized; C582435:pembrolizumab