Endpoints for extraintestinal manifestations in inflammatory bowel disease trials: the EXTRA consensus from the International Organization for the Study of Inflammatory Bowel Diseases

Lucas Guillo, Maria Abreu, Remo Panaccione, William J. Sandborn, Valderilio F. Azevedo, Lianne Gensler, Bahar Moghaddam, Vineet Ahuja, Sabrina A. Ali, Matthieu Allez, Ashwin N. Ananthakrishnan, Abhik Bhattacharya, Marla Dubinsky, Anne Griffiths, Ailsa Hart, Burton Korelitz, Paulo G. Kotze, Ioannis E. Koutroubakis, Peter L. Lakatos, James O. LindsayFernando Magro, Gerassimos J. Mantzaris, Siew C. Ng, Colm O'Morain, Julian Panés, Tommaso Parigi, Zhihua Ran, Gerhard Rogler, David T. Rubin, David B. Sachar, Britta Siegmund, Flavio Steinwurz, Curt Tysk, Stephan Vavricka, Sofia G. Verstraete, Antoine P. Brezin, Anna K. Haemel, Axel Dignass, Bruce E. Sands, Silvio Danese, Laurent Peyrin-Biroulet

Research output: Contribution to journalReview articlepeer-review

3 Scopus citations

Abstract

Extraintestinal manifestations occur frequently in patients with inflammatory bowel disease (IBD) and remain a diagnostic and therapeutic challenge. The aim of the Endpoints for Extraintestinal Manifestations in Inflammatory Bowel Disease Trials (EXTRA) initiative was to achieve international expert consensus on how to assess these manifestations in IBD trials. A systematic literature review was done to identify methods to diagnose extraintestinal manifestations in patients with IBD and measure treatment outcomes. A consensus meeting involving a panel of 41 attendees, including gastroenterologists and referral specialists, was held on March 31, 2021, as part of an International Organization for the Study of Inflammatory Bowel Diseases initiative. The panel agreed that a specialist's expertise is needed to confirm the diagnosis of extraintestinal manifestations before the inclusion of a patient in IBD trials, except for axial spondyloarthritis, for which typical symptoms and MRI can be sufficient. Easy-to-measure endpoints were identified to assess the response of extraintestinal manifestations to treatment without needing specialist involvement. For uveitis, peripheral spondyloarthritis, and arthralgia, endpoint measurements need specialist expertise. The timing of endpoint measurements was discussed for individual extraintestinal manifestations. The EXTRA consensus proposes guidelines on how to thoroughly evaluate extraintestinal manifestations within IBD trials, and recommends that these guidelines are implemented in future trials to enable prospective assessment of these manifestations and comparison between studies.

Original languageEnglish (US)
Pages (from-to)254-261
Number of pages8
JournalThe Lancet Gastroenterology and Hepatology
Volume7
Issue number3
DOIs
StatePublished - Mar 2022
Externally publishedYes

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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