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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2018, Vol. 23 ›› Issue (2): 159-164.doi: 10.12092/j.issn.1009-2501.2018.02.008

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Influence of CYP1A1 polymorphism on clinical outcomes of CRC patients treated by oxaliplatin plus capecitabine

XIAO Peng1, MEI Jiazhuan1, BAI Hua1, LI Min 1, LIU Guiju1, LI Ruijun1, SHEN Jie2   

  1. 1 Department of Oncology, People's Hospital of Zhengzhou, Zhengzhou 450000, Henan, China; 2 Department of Clinical Pharmacy, Yijishan Hospital of Wannan Medical College, Wuhu 241001, Anhui, China
  • Received:2017-09-20 Revised:2017-11-04 Online:2018-02-26 Published:2018-03-02

Abstract:

AIM: To investigate whether gene variants of cytochrome P450 (CYP450) affected clinical outcomes of oxaliplatin plus capecitabine in colorectal cancer (CRC).  METHODS: Sixty-nine CRC patients who were treated with oxaliplatin plus capecitabine were included in this study. And 79 SNPs in CYP450, whose minor allele frequency (MAF) were >10% were genotyped. Association between the SNP and clinical outcomes were analyzed. RESULTS: Only one SNP, CYP1A1 rs1048943 was significantly associated with PFS (P=0.000 3). Multivariate analysis confirmed its prognostic significance for PFS (P=0.004). CONCLUSION: CYP1A1 rs1048943 polymorphism is probably a potential prognostic marker for survival outcome treated with oxaliplatin plus capecitabine chemotherapy in CRC patients.

Key words: colorectal cancer, CYP450, polymorphism

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