Bevacizumab is the first anti-angiogenic monoclonal antibody approved for use in combination with chemotherapy for treatment of a variety of solid tumors. The objective of this study was to evaluate the safety of bevacizumab when administered concomitantly with paclitaxel and cisplatin to cynomolgus monkeys, and to assess the pharmacokinetic and safety interactions between bevacizumab and the two chemotherapeutic agents.