• Qin Li, Han Yan, Pengfei Zhao, Yifan Yang, and Bangwei Cao.
• Department of Oncology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
• Sci Rep. 2015 Oct 27; 5: 15746.

AbstractAlthough the FDA revoked metastatic breast cancer (MBC) from bevacizumab (BEV) indication in 2011, BEV combined with paclitaxel has been written in the breast cancer NCCN guidelines. This systematic assessment was performed to evaluate the efficacy and safety of BEV + chemotherapy (CHE) for managing MBC. PubMed and EMBASE were searched for original articles written in English and published before July, 2015. Progression-free survival was significantly improved in the CHE + BEV arms compared to the CHE arms in overall group and in human epidermal growth factor receptor 2-negative group (HR 0.75, 95% CI: 0.68-0.84, P < 0.001; HR 0.75, 95% CI: 0.69-0.82, P < 0.001). There were no significant improvement in overall survival in the CHE + BEV arms compared to the CHE arms. Significantly more grade 3 febrile neutropenia, hypertension, proteinuria, and cardiac events were observed in the CHE + BEV arm, which are controllable and reversible. Severe bleeding occurred more in the BEV + taxane arms and in patients with brain metastases. Therefore, CHE + BEV significantly increases progression-free survival in patients with MBC, it should be considered as a treatment option for these patients under the premise of reasonable selection of target population and combined CHE drugs.

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