僅用于工業(yè)應(yīng)用或科學(xué)研究,不可用于人類或動(dòng)物的臨床診斷或治療,非藥用. Ramucirumab is a monoclonal antibody of the IgG1 class that binds to VEGF-R2 and prevents its activation. The IC50 value for blocking KDR binding to VEGF is 0.8 nM for ramucirumab, MW: 143.6 KD.