Multicenter, cross-sectional, observational study on Epstein-Barr viral infection status and thiopurine use by age group in patients with inflammatory bowel disease in Japan (EBISU study).
Miki MiuraHirotaka ShimizuDaisuke SaitoJun MiyoshiMinoru MatsuuraTakahiro KudoDaisuke HirayamaMasashi YoshidaKatsuhiro AraiItaru IwamaHiroshi NakaseToshiaki ShimizuTadakazu HisamatsuPublished in: Journal of gastroenterology (2021)
Approximately 30% of Japanese patients with IBD were EBV-uninfected, including those using thiopurines. Age was a significant factor for anti-VCA IgG seropositivity.