Abstract
Epithelial ovarian cancer is the most lethal of gynecologic malignancies in the United States, with a significant proportion of patients with advanced disease achieving clinical remission with conventional treatment approaches, but dying of recurrence. Bevacizumab is a first-in-class antiangiogenic. This recombinant humanized monoclonal antibody neutralizes vascular endothelial growth factor (VEGF) and inhibits endothelial and tumor cell activation and proliferation. It has a low clearance and long elimination half-life, supporting a convenient 2- or 3-weekly dosing schedule. It is generally well tolerated, although trials have highlighted some toxicity-related concerns, notably gastrointestinal perforation. Phase III trials that evaluate overall survival are not yet mature, and cost-effectiveness of bevacizumab is hotly debated. As more evidence for the role of anti-VEGF agents in augmenting therapy and inducing durable tumor dormancy continues to emerge, it is anticipated that antiangiogenic therapy will play an important role in the management ovarian malignancy.
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