Current Practices and Wide Variation in Autoimmune Hepatitis Treatment Across Europe

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M Cananzi et al. J Pediatr Gastroenterol Nutr. 2025;80:260–270. Current practice in the management of paediatric autoimmune liver disease in Europe

Methods: Thirty-six centers from 22 European countries responded to the survey that was sent to European Reference Network for Rare Liver Disorders (ERN RARE-LIVER) and members of the Hepatology Interest Group (HIG) of the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition (ESPGHAN)

Key findings:

  • All centers use predniso(lo)ne as first-line therapy, alone (15/36) or with azathioprine (21/36)
  • Azathioprine and mycophenolate are the preferred second-line options in centres using first-line steroid monotherapy (11/15) or combined steroid-azathioprine (19/21)
  • Tacrolimus is used as third-line agent in 15/36 centers
  • Proactive measurement of drug metabolites and target levels vary widely among centers. About 27/36 centers have thiopurine methyltransferase (TPMT) genotyping available, of which 21 (58%) routinely perform this test before prescribing AZA. Among the 12 centres that reported target metabolite levels, 10 aim for levels between 200 and 300 pmol/8 × 108 red blood cells (RBC).
  • About 24/36 centers routinely incorporate PPIs into steroid treatment protocols, seven prescribe PPIs solely when there are risk factors for peptic ulcer disease, and the remainder refrain from using PPIs unless gastrointestinal symptoms occur.

My take: There is a great deal of variation in the management of autoimmune hepatitis indicating the need for more collaborative efforts to advance evidence-based therapeutic strategies.

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