Occurrence of Psoriatic Arthritis during Interferon Beta 1a Treatment for Multiple Sclerosis

Interferon beta (IFN-β) is the first line therapy of relapsing-remitting multiple sclerosis. IFN-β is a cytokine that can contribute to the development of systemic autoimmune disease including psoriasis. The development or the exacerbation of psoriasis during IFN-β treatment has been previously obse...

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Bibliographic Details
Main Authors: Éric Toussirot, Matthieu Béreau, Marie Bossert, Imad Malkoun, Anne Lohse
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Case Reports in Rheumatology
Online Access:http://dx.doi.org/10.1155/2014/949317
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Summary:Interferon beta (IFN-β) is the first line therapy of relapsing-remitting multiple sclerosis. IFN-β is a cytokine that can contribute to the development of systemic autoimmune disease including psoriasis. The development or the exacerbation of psoriasis during IFN-β treatment has been previously observed. We report the occurrence of arthritis and dactylitis in a multiple sclerosis patient with preexisting psoriasis diagnosed as a psoriatic arthritis. The IL-23/Th17 pathway is involved in psoriasis and psoriatic arthritis and it has been suggested that IFN-β therapy in patients with Th17-mediated disease may be detrimental. Together with previous similar reports, our case suggests that IFN-β should certainly be used with caution in patients with concomitant systemic autoimmune disease with IL-23/Th17 involvement.
ISSN:2090-6889
2090-6897