Prezalumab (Anti-B7-H2 / ICOSL / CD275) is a human IgG2 monoclonal antibody targeting ICOSL and BAFF. It demonstrates studies for systemic lupus erythematosus arthritis. It is used in the research of Sjogren’s syndrome cutaneous lupus erythematosus, psoriasis and systemic lupus erythematosus (SLE).MW :145.5 KD.