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. TSR-033 is a high affinity human IgG4 antibody targeting LAG-3 （lymphocyte activation gene-3）, a co-receptor associated with impaired T cell function and often co-expressed with PD-1, that enhances T cell function and PD-1 blocking activity in vitro and in vivo. TSR-033 has anti-tumor activity