Course of disease in patients with microscopic colitis - a European prospective incident cohort study

Bas P M Verhaegh, Andreas Münch, Danila Guagnozzi, Signe Wildt, W Cebula, A R Diac, Fernando Fernández-Bañares, M A R Al-Khalaf, N Pedersen, Juozas Kupcinskas, Johan Bohr, Gilles Macaigne, Alfredo J Lucendo, Ivan Lyutakov, Gian-Eugenio Tontini, Flavia Pigò, E Russo, Henrik Hjortswang, Stephan Miehlke, Lars K Munck

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Abstrakt

BACKGROUND AND AIMS: The disease course of microscopic colitis (MC) is considered chronic but benign. However, this assumption is based on mainly retrospective studies, reporting on incomplete follow-up of selective cohorts. Systematic, prospective and unbiased data to inform patients and health care professionals on the expected course of the disease and real-life response to therapy are warranted.

METHODS: A prospective, pan-European, multi-center, web-based registry was established. Incident cases of MC were included. Data on patient characteristics, symptoms, treatment and quality of life were systematically registered at baseline and during real-time follow-up. Four disease course phenotypes were discriminated and described.

RESULTS: Among 381 cases with complete 1-year follow-up, 49% had a chronic active or relapsing disease course, 40% achieved sustained remission after treatment and 11% had a quiescent course. In general, symptoms and quality of life improved after 3 months of follow-up. A relapsing or chronic active disease course was associated with significantly more symptoms and impaired quality of life after 1 year.

CONCLUSIONS: A minority of MC patients follow a quiescent disease course with spontaneous clinical improvement, whereas the majority suffers a chronic active or relapsing disease course during the first year after diagnosis, with persisting symptoms accompanied by a significantly impaired quality of life.

OriginalsprogEngelsk
TidsskriftJournal of Crohn's and Colitis
DOI
StatusE-publikation før trykning - 12 jan. 2021

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