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. Catumaxomab, a trifunctional IgG2 antibody, is composed of mouse and rat heavy and light chains and binds to human EpCAM and human CD 3 receptors. The Fc region of Catumaxomab region has binding affinity for FcγR1 （CD 64）, FcγRIIA （CD 32a）, and FcγRIII （CD 16）. Catumaxomab can be used for anti-tumor research, especially epithelial cancers