Abstract
The use of biologic agents, mainly tumor necrosis factor (TNF)-α and interleukin (IL)-17A inhibitors, was associated with cutaneous side effects, but the factors associated with eczematous reactions occurring during biologic treatments are not completely known. An observational, retrospective, multicentre Italian study evaluated the clinical features and the management of eczematous eruptions in 54 patients with chronic plaque psoriasis who developed eczema after treatment with biological agents (anti-IL-17 or 23). Many of these patients had personal and family history of atopy. Eczematous reactions developed between a few days and 3 years after initiation of the biologic drug. The highest proportion of cases associated with eczematous reactions during biologic treatments was seen in patients on anti-IL-17 agents, including brodalumab. We observed that eczema rapidly remitted without relapse in all patients who switched to anti-IL-23 agents. Among our cases, fast responders to psoriasis therapy seem to have more persistent eczematous reactions. Patients with psoriasis and a history of atopic dermatitis should be treated with an IL-23 inhibitor due to its efficacy in psoriasis and the rarely reported eczematous reaction.
Published Version
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