Emergence of Crohn's disease during treatment with the anti-tumor necrosis factor agent etanercept for ankylosing spondylitis: possible mechanisms of action

Seminars in Arthritis and Rheumatism
Boulos Haraoui, Marilyn Krelenbaum

Abstract

To report on the clinical evolution of a patient with ankylosing spondylitis (AS) treated with etanercept who subsequently developed Crohn's disease, to review the literature for similar cases, and to discuss possible mechanisms responsible for these observations. We describe the medical history, diagnostic tests, and disease progression of a 26-year-old man with AS who developed the clinical manifestations of Crohn's disease after 16 months of successful treatment of his rheumatologic symptoms with etanercept. A Medline search, as well as cases presented in abstract form at European Leaque Against Rheumatism (EULAR) and American College of Rheumotology (ACR) meetings, describing emergent bowel symptoms in patients treated with etanercept was undertaken. Eight other cases were identified, with gastrointestinal symptoms appearing after a few weeks to several years, while receiving etanercept treatment. These observations raise the possibility that etanercept unmasks inflammatory bowel disease in patients with AS whose gastrointestinal symptoms were silent. The reactivation or the unmasking of gastrointestinal symptoms during etanercept treatment raises the issue of differences between etanercept and the other antitumor necrosis ...Continue Reading

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Citations

Dec 12, 2013·Expert Review of Clinical Immunology·Daniel Wendling, Clément Prati
Mar 20, 2016·Gastroenterología y hepatología·Ainara IriarteAntonio López-Sanromán
Apr 16, 2016·Saudi Journal of Biological Sciences·Tarek A A Moussa, Omar A Almaghrabi
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Feb 15, 2020·Neuromuscular Disorders : NMD·Giulia NicociaCarmelo Rodolico

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