Association of Genetic Variants in <i>NUDT15</i> With Thiopurine-Induced Myelosuppression in Patients With Inflammatory Bowel Disease

Among patients of European ancestry with IBD, variants in NUDT15 were associated with increased risk of TIM. These findings suggest that NUDT15 genotyping may be considered prior to initiation of thiopurine therapy; however, further study including additional validation in independent cohorts is required.