僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用. Prezalumab （AMG 557） is a humanized IgG2 monoclonal antibody targets ICOSL and BAFF. Prezalumab demonstrates beneficial activities on the arthritis of systemic lupus erythematosus. Prezalumab can be used for the research of sjogren's syndrome cutaneous lupus erythematosus, psoriasis and systemic lupus erythematosus （SLE）