title: Why measure thiopurine methyltransferase activity? Direct administration of 6-thioguanine might be the alternative for 6-mercaptopurine or azathioprine.
authors.forename: D
authors.initials: D
authors.lastname: de Jong
authors.forename: C J
authors.initials: CJ
authors.lastname: Mulder
authors.forename: A A
authors.initials: AA
authors.lastname: van Sorge
mesh_terms: D000964:Antimetabolites, Antineoplastic / Q000009:adverse effects / Q000627:therapeutic use*; D001379:Azathioprine / Q000009:adverse effects / Q000627:therapeutic use; D015415:Biomarkers / Q000097:blood; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000188:drug therapy*; D015122:Mercaptopurine / Q000627:therapeutic use; D008780:Methyltransferases / Q000097:blood; D010865:Pilot Projects; D011446:Prospective Studies; D013866:Thioguanine / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000964:Antimetabolites, Antineoplastic; D015415:Biomarkers; D015122:Mercaptopurine; D008780:Methyltransferases; C022745:thiopurine methyltransferase; D013866:Thioguanine; D001379:Azathioprine