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Etanercept-induced Crohn's disease in ankylosing spondylitis: a case report and review of the literature.

08:00 EDT 6th October 2018 | BioPortfolio

Summary of "Etanercept-induced Crohn's disease in ankylosing spondylitis: a case report and review of the literature."

Tumor necrosis factor (TNF)-α is a cytokine that plays a well-established, key role as a central mediator of inflammation and immune regulation. TNF-α and its receptors are suggested to play a critical role in a number of chronic inflammatory diseases, including rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis (AS), juvenile chronic arthritis, and inflammatory bowel disease (IBD). TNF-α inhibitors are currently used in the treatment of these diseases. We report a 29-year-old male with AS who developed Crohn's disease while taking etanercept. Etanercept treatment was interrupted and a switch to a monoclonal antibody-based anti-TNF treatment using adalimumab was started, which induced a prompt improvement of the gastrointestinal symptoms. We indicate the immunodysregulatory and proinflammatory effects of etanercept and discuss the potential pathogenic mechanisms of the paradoxical effect of TNF-α inhibitors. We also review the related literature on new-onset IBD following anti-TNF treatment for AS.

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This article was published in the following journal.

Name: Rheumatology international
ISSN: 1437-160X
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Medical and Biotech [MESH] Definitions

A chimeric monoclonal antibody to TNF ALPHA that is used in the treatment of RHEUMATOID ARTHRITIS; ANKYLOSING SPONDYLITIS; PSORIATIC ARTHRITIS and CROHN'S DISEASE.

A recombinant version of soluble human TNF receptor that binds specifically to TUMOR NECROSIS FACTOR and inhibits its binding with endogenous TNF receptors. It prevents the inflammatory effect of TNF and is used to treat RHEUMATOID ARTHRITIS; PSORIATIC ARTHRITIS and ANKYLOSING SPONDYLITIS.

A chronic transmural inflammation that may involve any part of the DIGESTIVE TRACT from MOUTH to ANUS, mostly found in the ILEUM, the CECUM, and the COLON. In Crohn disease, the inflammation, extending through the intestinal wall from the MUCOSA to the serosa, is characteristically asymmetric and segmental. Epithelioid GRANULOMAS may be seen in some patients.

A condition characterized by persistent or recurrent labial enlargement, ORAL ULCER, and other orofacial manifestations in the absence of identifiable CROHN DISEASE; or SARCOIDOSIS. There is no consensus on whether orofacial granulomatosis is a distinct clinical disorder or an initial presentation of Crohn disease.

A butyl-diphenyl-pyrazolidinedione that has anti-inflammatory, antipyretic, and analgesic activities. It has been used in ANKYLOSING SPONDYLITIS; RHEUMATOID ARTHRITIS; and REACTIVE ARTHRITIS.

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