Review article: latent tuberculosis in patients with inflammatory bowel diseases receiving immunosuppression-risks, screening, diagnosis and management

Sasha R. Fehily, Aysha H. Al-Ani, Jonathan Abdelmalak, Clarissa Rentch, Eva Zhang, Justin T. Denholm, Douglas Johnson, Siew C. Ng, Vishal Sharma, David T. Rubin, Peter R. Gibson, Britt Christensen

Research output: Contribution to journalReview articlepeer-review

32 Citations (Scopus)
141 Downloads (Pure)

Abstract

Background: One quarter of the world's population has latent tuberculosis infection (LTBI). Systemic immunosuppression is a risk factor for LTBI reactivation and the development of active tuberculosis. Such reactivation carries a risk of significant morbidity and mortality. Despite the increasing global incidence of inflammatory bowel disease (IBD) and the use of immune-based therapies, current guidelines on the testing and treatment of LTBI in patients with IBD are haphazard with a paucity of evidence.

Aim: To review the screening, diagnostic practices and medical management of LTBI in patients with IBD.

Methods: Published literature was reviewed, and recommendations for testing and treatment were synthesised by experts in both infectious diseases and IBD.

Results: Screening for LTBI should be performed proactively and includes assessment of risk factors, an interferon-gamma releasing assay or tuberculin skin test and chest X-ray. LTBI treatment in patients with IBD is scenario-dependent, related to geographical endemicity, travel and other factors. Ideally, LTBI therapy should be used prior to immune suppression but can be applied concurrently where urgent IBD medical treatment is required. Management is best directed by a multidisciplinary team involving gastroenterologists, infectious diseases specialists and pharmacists. Ongoing surveillance is recommended during therapy. Newer LTBI therapies show promise, but medication interactions need to be considered. There are major gaps in evidence, particularly with specific newer therapeutic approaches to IBD.

Conclusions: Proactive screening for LTBI is essential in patients with IBD undergoing immune-suppressing therapy and several therapeutic strategies are available. Reporting of real-world experience is essential to refining current management recommendations.

Original languageEnglish
Pages (from-to)6-27
Number of pages22
JournalAlimentary Pharmacology and Therapeutics
Volume56
Issue number1
DOIs
Publication statusPublished - Jul 2022
Externally publishedYes

Bibliographical note

Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • Humans
  • Immunosuppression Therapy/adverse effects
  • Inflammatory Bowel Diseases/complications
  • Interferon-gamma Release Tests
  • Latent Tuberculosis/diagnosis
  • Mass Screening
  • Tuberculin Test
  • Tumor Necrosis Factor-alpha

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