<prompt> Newer monoclonal antibody approved for rheumatoid ahritis is:DurvalumabPembrolizumabNivolumabSarilumab  <response>: Sarilumab: Monoclonal antibody against IL6, used for rheumatoid ahritis. Six - SARILUMAB - monoclonal antibody Interleukin Durvalumab: Monoclonal antibody for urothelial carcinoma. DURVALUMAB - Urothelial Ca NivolumabSarilumab: Monoclonal antibody for non small cell lung cancerNSCLC. Durvalumab, Nivolumab, Sarilumab: Target program death ligand of T cell. T cell get activated and kills cancer cells. 