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. Tuvirumab （OST 577; SDZ-OST 577） is a human IgG1 subclass monoclonal antibody directed against HBV surface antigen （HBsAg）. Tuvirumab binds specifically and with high affinity （K=3.6 nM） to HBsAg. Tuvirumab has the potential for chronic hepatitis B research