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Clinical study of tegafur-gimeracil-oteracil potassium capsule (s-1) and oxaliplatin combination chemotherapy in advanced colorectal cancer.

AbstractOBJECTIVE:
The aim of this study was to evaluate the therapeutic efficacy and toxicity of a combination of tegafur-gimeracil-oteracil potassium capsules (S-1) with oxaliplatin for treatment of advanced or recurrent colorectal cancer.
SUBJECTS AND METHODS:
Between October 2009 and October 2011, 70 patients at our hospital with advanced or recurrent colorectal cancer were enrolled into our study and divided randomly into two groups: A treatment group (S-1 combined with oxaliplatin) and a control group (Xeloda combined with oxaliplatin). All patients received 130 mg/m(2) oxaliplatin by intravenous infusion on day 1, every three weeks. Patients in the treatment group were treated with oral administration of 30-40 mg/m(2) S-1 twice daily for 14 days. Patients in the control group were treated with oral administration of 1000 mg/m(2) Xeloda twice daily for 14 days. The efficacy and toxicity of the combination therapy were evaluated after two cycles of treatment.
RESULTS:
The response rates in the treatment and control groups were 54.3% and 42.9%, respectively. The disease control rates of the two groups were 80.0% and 74.3%, respectively. The 1-year and 2-year survival rates were 73.6% and 39.1% in the treatment group, respectively, compared to 73.8% and 37.8% in the control group. No statistical difference between the two groups for any of the parameters, including toxicity, was observed (P > 0.05).
CONCLUSION:
The efficacy of the S-1 and oxaliplatin combination regimen in advanced or recurrent colorectal cancer treatment is not inferior to the combination of Xeloda and oxaliplatin and does not result in additional toxicity. Therefore, S-1 could be used to substitute Xeloda in combined chemotherapy with oxaliplatin for the treatment of advanced or recurrent colorectal cancer.
AuthorsHuaqun Liu, Yigang Wang, Guozhong Li, Wenguang Song, Ruilin Wang
JournalJournal of cancer research and therapeutics (J Cancer Res Ther) 2015 Apr-Jun Vol. 11 Issue 2 Pg. 331-5 ISSN: 1998-4138 [Electronic] India
PMID26148595 (Publication Type: Journal Article)

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