作者: Reuther L. O. , Sonne J. , Larsen N. E. , Larsen B. , Christensen S.
DOI: 10.1080/00365520310005082
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摘要: Background: Studies on azathioprine (Aza) treatment in Crohn disease have indicated a positive correlation between clinical remission and concentration erythrocytes of the metabolites 6-thioguanine nucleotides (E-6-TGN) above 230 r pmol/8 × 10 8 RBC. A methylated Aza (E-6-MMP) 5000 RBC has been correlated to hepatotoxicity. Thiopurine methyltransferase (TPMT) is responsible for formation lower E-TGN levels, TPMT genotyping proposed as guidance dosage. In cross-sectional study we investigated relationships outcome dose, genotype metabolite levels among patients with disease. Methods: (PCR assay), (HPLC analysis) xanthine oxidase (XO) activity were determined once 71 randomly selected an unaltered dose at least 3 months. Results: Non...