Allopurinol use in pregnancy in three women with inflammatory bowel disease: safety and outcomes: a case series

Muhammad Fazal, Matthew Doogue, Rupert Leong, Peter Bampton, Jane Andrews

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    Background: Allopurinol is a frequently prescribed drug. In inflammatory bowel disease patients who shunt thiopurine metabolism towards more toxic and less desirable pathways, allopurinol is proving to be an effective add on therapy with good resultant disease control and less treatment side effects. As many such patients are young, the potential for pregnant women to be exposed to allopurinol is increasing. The safety of allopurinol in pregnancy is not known however.Case presentation: We report three cases of safe use of allopurinol in pregnancy for women with inflammatory bowel disease. This included 2 patients with ulcerative colitis and 1 patient with fistulising Crohn's disease. Allopurinol was used throughout pregnancy in all patients. All 3 pregnancies resulted in normal healthy babies born at term by Caesarean section. Conclusion: It is important to evaluate and document the safety of allopurinol during pregnancy, as it is finding new roles in young patients. These three cases add significantly to the very limited data on allopurinol use in pregnancy. We encourage reporting of all cases of allopurinol use in pregnant patients and suggest an allopurinol pregnancy registry to document drug exposures and outcomes.

    Original languageEnglish
    Article number172
    Pages (from-to)172
    Number of pages5
    JournalBMC Gastroenterology
    Volume13
    Issue number1
    DOIs
    Publication statusPublished - 17 Dec 2013

    Keywords

    • 6-mercaptopurine
    • Allopurinol
    • Azathioprine
    • Inflammatory bowel disease
    • Pregnancy
    • Teratogen
    • Ulcerative colitis

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