August 2023 in “Research Square (Research Square)” This study found that among patients with inflammatory bowel disease, those with the NUDT15 mutation had a reduced tolerance for thiopurine dosage over the long term and were more likely to require hospitalization and surgery compared to those without the mutation.
40 citations
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January 2017 in “Intestinal Research” This study found that among Japanese IBD patients, the NUDT15 p.Arg139Cys variant was significantly associated with thiopurine-induced leukopenia and severe hair loss, suggesting its genotyping is important for predicting these adverse events.
1 citations
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May 2023 in “Frontiers in Pharmacology” In this study, a case of a young Chinese female with a specific NUDT15 genetic variant experienced severe azathioprine-induced myelosuppression and alopecia while treating systemic lupus erythematosus, highlighting the need for routine blood monitoring during treatment to manage AZA intolerance associated with genetic factors.
10 citations
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August 2020 in “Drug metabolism and drug interactions” This case series found that patients with the NUDT15 415C>T variant experienced severe azathioprine toxicity, suggesting genotype-based dosing could reduce adverse effects.
86 citations
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November 2015 in “Journal of Gastroenterology” This study reported that the NUDT15 R139C genetic variant was significantly associated with thiopurine-induced leukocytopenia in Japanese inflammatory bowel disease patients, independent of 6-thioguanine nucleotide levels.