Chinese Journal of Pharmacovigilance ›› 2013, Vol. 10 ›› Issue (11): 647-649.

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Association of Genetic Polymorphisms of MTHFR and Methotrexate-related Adverse Reaction

ZHOU Xin-ke, SHU Wen-ying* ,LIANG Min ,HE Lu   

  1. Cancer Hospital of Guangzhou Medical University, Guangdong Guangzhou 510095, China
  • Received:2013-05-28 Revised:2016-03-09 Online:2013-11-08 Published:2016-03-09

Abstract: Objective To investigate the association between methylentetrahydrofolate (MTHFR) C677T and A298C genetic polymorphisms and the adverse reaction after high-dose methotrexate(MTX) chemotherapy in Chinese cancer patients. Methods Total 102 inpatients receiving high-dose MTX chemotherapy were recruited in which the 62 acute lymphoblastic leukemia ( ALL ) patients were treated with 24h -intravenous injection of MTX1~3g / 21d and the 40 osetosarcoma patients were treated with 24h -intravenous injection of MTX8~10g/21d. The genotype of MTHFR C667T and A298C was analyzed by real-time qPCR. The relation between genotypes and adverse reactions was analyzed. Results The frequency of MTHR 667TTwas significantly higher in ALL patients experienced adverse reaction than that in the ALL patients without adverse reaction(34.1% vs 11.1%, P=0.025). Conclusion MTHR C667T genetic polymorphism was associated with MTX-related adverse reaction.

Key words: methotrexate, methylentetrahydrofolate, genetic polymorphism, adverse reaction

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