Clazakizumab (Anti-IL-6 / IFNb2) is a monoclonal antibody targeting the IL-6 (interleukin-6). It inhibitsg the cytokine response to SARS-CoV-2 in COVID-19 and can be used for the research of psoriatic arthritis (PsA) and renal antibody-mediated rejection. MW :145.24 KD.