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. Epratuzumab （Antibody hLL 2） is an anti-CD22 IgG1 monoclonal antibody. Epratuzumab is also a tumor-imaging agent and an immunomodulatory agent. Epratuzumab can induce CD22 phosphorylation. Epratuzumab has been used to research non-Hodgkin’s lymphomas （NHL） and certain autoimmune diseases