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Asian Pac J Cancer Prev. 2014;15(5):2191-4.

A systemic analysis of S-1 regimens for treatment of patients with colon cancer.

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Department of Oncological Surgery, Shaanxi Provincial People's Hospital, Xi'an, China E-mail :



Fluorouracil-based regimens have been widely accepted and recommended in the guidelines for treating patients with early or advanced staged colon cancer, although results are controversial. Here we performed a systemic analysis to evaluate the impact of S-1 based regimens on response and survival of patients with colon cancer.


Clinical studies evaluating the impact of S-1 based regimens on response and survival of patients with colon cancer were identified using a predefined search strategy. Summary response rates (RRs) to treatment were calculated.


Six clinical studies which including 227 patients with advanced colorectal cancer were considered eligible for inclusion. Two studies were conducted using combination of S-1 and Oxaliplatin, and four studies featured S-1 and irinotecan. Systemic analysis showed that, in all patients, pooled RRs was 43.17%. Major adverse effects were hematological toxicities, gastrointestinal disturbance, neurosensory toxicity. No treatment related death occurred.


This systemic analysis suggests that S-1 based regimens, both with oxaliplatin or irinotean are associated with acceptable response and toxicity in patients with colon cancer.

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