bevacizumab

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bevacizumab (bee-vă-siz-oo-mab) n. a cytotoxic drug (a monoclonal antibody) that interferes with the growth of new blood vessels (see angiogenesis). Administered by intravenous infusion, it is used in the treatment of colorectal cancer, particularly when this has spread to other sites. Trade name:. Avastin.