Immediate-type infliximab infusion reaction presenting as purpura.

JAAD Case Rep

Department of Dermatology, UC Davis Medical Center, Sacramento, California.

Published: July 2018

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6020129PMC
http://dx.doi.org/10.1016/j.jdcr.2018.05.015DOI Listing

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Article Synopsis
  • The study aimed to explore the connection between serum antidrug antibodies (ADAbs), hypersensitivity reactions, and local injection site reactions in patients with ankylosing spondylitis and rheumatoid arthritis who were on anti-TNF treatments.
  • Sixty-nine patients with ankylosing spondylitis and 46 with rheumatoid arthritis were evaluated, measuring their drug levels, disease activity scores, and conducting skin tests to assess hypersensitivity.
  • Results indicated a significant link between hypersensitivity reactions (both immediate and local) and the intradermal tests in patients taking anti-TNF drugs, particularly with adalimumab and etanercept.
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Biologics are an innovative class of drugs that can selectively influence immunological responses at a cellular level. Although their use is usually restricted to some specific diseases, such as autoimmune pathologies and tumors, their "off-label" administration has increased widely in the last years. Drug treatment may induce hypersensitivity reactions which currently lack any gold standard therapy but maybe a future field of application for biologics.

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Background: Tumor necrosis factor (TNF) inhibitors such as adalimumab, etanercept, and infliximab play an increasingly important role in the management of a variety of chronic inflammatory disorders. With their increasing use, a wide spectrum of dermatological adverse effects, including injection site reactions and the development of dermatitis, have been recognized. Previous studies have implicated the role of the delayed-type hypersensitivity reaction in mediation of injection site reactions to etanercept.

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Background And Objective: Treatment-limiting infusion reactions to infliximab have not been fully explained in rheumatoid arthritis patients. Our main objective is to investigate the role of daily oral glucocorticoids use on such reactions.

Method: Forty-three patients with immediate-type infusion reactions were identified in a large registry-based cohort.

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