Bevacizumab, the humanized anti-VEGF-A monoclonal antibody, produces angiogenesis inhibition and slows the growth of new blood vessels. As the first clinically available angiogenesis inhibitor in the United States, Bevacizumab is used for treatment of certain metastatic cancers, certain lung cancers, renal cancers, ovarian cancers, breast cancers, and glioblastoma multiforme of the brain.Vascular endothelial growth factor A (VEGF-A) stimulates angiogenesis in a variety of cancers, including colorectal, lung, breast, glioblastoma, kidney, and ovarian cancers.