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 ORIGINAL ARTICLE
Year : 2014  |  Volume : 51  |  Issue : 7  |  Page : 113-116

A meta analysis of cetuximab plus oxaliplatin based chemotherapy regimen for metastatic colorectal cancer


1 Department of Clinical Pharmacy, The Central Hospital of Jinhua City, Jinhua Zhejiang Province 321000, China
2 Department of Oncology, The Central Hospital of Lishui City, Lishui Zhejiang Province 323000, China
3 Department of Pharmacy, The Second Hospital of Jinhua City, Jianhua Zhejiang Province 321017, China

Correspondence Address:
S W Lv
Department of Clinical Pharmacy, The Central Hospital of Jinhua City, Jinhua Zhejiang Province 321000
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-509X.154101

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Background: Oxaliplatin based chemotherapy regimen was one of the most used chemotherapy modality for metastatic colorectal cancer. The purpose of this meta-analysis was to assess the clinical activity and toxicities of cetuximab plus oxaliplatin-based chemotherapy regimen for metastatic colorectal Cancer. Methods: We searched the clinical studies about the cetuximab plus oxaliplatin-based chemotherapy regimen versus oxaliplatin-based chemotherapy alone for metastatic colorectal cancer in the databases of PubMed, EMBASE, Cochran, and CNKI. The data of response and toxicities were extracted and pooled by random or fixed effects model. And publication bias was evaluated by begg's funnel plot and egger's regression test. Results: Seven papers were included in this study. Adding cetuximab to oxaliplatin-based chemotherapy regime can significant increase response rate in K-RAS mutation metastatic colorectal patients (odds ratio [OR]: 1.45, 95% confidence interval [CI]: 1.17-1.80, Z = 3.38, P = 0.001) and metastatic colorectal patients without knowing the K-RAS status (OR: 1.36, 95% CI: 1.11-1.65, Z = 1.89, P = 0.003). But for patients with mutated K-RAS, the improvement for objective response rate was not statistical significant (OR: 0.70, 95% CI: 0.49-1.01, Z = 3.00, P = 0.058) when adding cetuximab to oxaliplatin-based chemotherapy regime. The pooled results indicating the rash and diarrhea risk was significantly increased in the combined treatment group (P < 0.05). The toxicity of peripheral neuritis was decreased by adding the cetuximab (P < 0.05). And other toxicities were not statistical different between the two groups (P > 0.05). Significant publication bias was found in toxicities evaluation. Conclusion: Cetuximab plus oxaliplatin-based chemotherapy regimen significant increase the response rate for metastatic colorectal cancer. But the some toxicities such rash and diarrhea risk was also increased.






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