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Effect and safety of bevacizumab-containing chemotherapy treatment in Chinese patients with metastatic colorectal cancer

Authors Wu Q, Shi Y, Chen L, Xiao X, Dai G

Received 11 December 2012

Accepted for publication 4 February 2013

Published 30 April 2013 Volume 2013:6 Pages 485—490

DOI https://doi.org/10.2147/OTT.S41449

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

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Qian Wu, Yan Shi, Li Chen, Xiaoyi Xiao, Guanghai Dai

Department of Multimodality Therapy Oncology, Chinese PLA General Hospital, Beijing, People’s Republic of China

Purpose: To review the clinical data and treatment efficacy of bevacizumab in Chinese patients with metastatic colorectal cancer (mCRC).
Patients and methods: A total of 96 patients with mCRC treated by chemotherapy plus bevacizumab in the PLA General Hospital between December 2005 and August 2012 were analyzed retrospectively by overall response rate, disease-control rate, progression-free survival (PFS), and overall survival (OS). The tumor responses were assessed by the Response Evaluation Criteria in Solid Tumors guidelines.
Results: A total of 96 patients with mCRC were identified. Median age was 53.6 years. Eastern Cooperative Oncology Group performance status was 0–2. By the end of follow-up (August 20, 2012), 54 patients exhibited progression (56.3%), and 39 (40.6%) patients had died. A total of 27 (28.1%) achieved partial response, and 48 patients (50.0%) had stable disease, exhibiting an overall response rate of 28.1% and a disease-control rate of 78.1%. The response rates of the first-line, second-line, and third-line (or later) therapy were 41.7%, 21.9%, and 15.8%, respectively. The median durations of the PFS and OS were 8.13 months and 14.80 months, respectively. The median durations of the PFS were 12.70 months, 8.30 months, and 6.40 months for first-line, second-line, and third-line (or later) therapy, respectively, and the median durations of the OS were 24.03 months, 14.90 months, and 11.03 months for first-line, second-line, and third-line (or later) therapy, respectively.
Conclusion: A bevacizumab-containing chemotherapy regimen was well tolerated and effective in Chinese patients with mCRC.

Keywords: colorectal cancer, metastasis, Chinese, bevacizumab, efficacy

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