• Whan B Kim, Joseph E C Marinas, Judy Qiang, Ali Shahbaz, Simon Greaves, and Jensen Yeung.
• Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada.
• J. Am. Acad. Dermatol. 2015 Aug 1; 73 (2): 237-41.

BackgroundSafety profiles of biologics for treatment of psoriasis are limited to data from randomized controlled trials. There is a need for comparative safety reports of biologics based on data from clinical practice.ObjectiveWe sought to estimate and compare the incidence of adverse events (AEs) leading to withdrawal of biologics (etanercept, infliximab, adalimumab, and ustekinumab) in the treatment of psoriasis.MethodsWe conducted a multicenter retrospective chart review from September 2005 to September 2014. Incidence proportion and rate of AEs leading to withdrawal by biologic agent and AE were calculated.ResultsFor 545 treatments administered in 398 patients, 22 (4.04%) AEs were associated with withdrawal, for a rate of 1.97/100 patient-years (95% confidence interval [CI] 1.32-2.94). Common AEs were injection-/infusion-site reactions (0.55%, 0.92%, 0%, and 0% for etanercept, infliximab, adalimumab, and ustekinumab, respectively); infections (0%, 0.18%, 0.55%, 0.18%); and malignancies (0.18%, 0.18%, 0%, 0.37%).LimitationsPossible incompleteness of chart details and small study population limit the conclusiveness of findings.ConclusionBiologic agents for treatment of psoriasis are safe; AEs associated with withdrawal occurred in 4% of all administered biologic therapies. It does not appear that real-world patients encounter more AEs with biologics than patients in clinical trials.Copyright © 2015 American Academy of Dermatology, Inc. Published by Elsevier Inc. All rights reserved.

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