Maternal thiopurine metabolism during pregnancy in inflammatory bowel disease and clearance of thiopurine metabolites and outcomes in exposed neonates.
Emma K FlanaganEmily K WrightWinita HardikarMiles Patrick SparrowWilliam R ConnellMichael A KammPeter De CruzSteven J BrownAlexander ThompsonAnthea GreenwayIan WestleyMurray L BarclayAlyson L RossKaterina V KiburgSally J Bellnull nullPublished in: Alimentary pharmacology & therapeutics (2021)
6-TGN levels decrease and 6-MMP levels increase in the second trimester of pregnancy. Infants are exposed to thiopurine metabolites at low levels with clearance by 6 weeks and no anaemia. The cause of infant thrombocytosis and abnormal liver biochemistry in the absence of metabolites is unclear.