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Chronic hand eczema (CHE) is a distressing and pervasive dermatologic condition, and effective treatment can be challenging. The novel IL-4/13 inhibitor dupilumab has shown clinical efficacy for atopic dermatitis (AD) and is being studied for CHE.PubMed database was searched for terms dupilumab and chronic hand eczema/dermatitis, including CHE subtypes (dyshidrotic, hyperkeratotic, allergic, contact, atopic, occupational, vesicular). Twenty-two study publications met inclusion and exclusion criteria for evaluation.Two multicenter prospective studies, one randomized controlled trial, two prospective observational studies, one retrospective study, nine case series, and seven case reports were included in the analysis with 374 total patients. Any partial response or complete resolution of CHE occurred in 80.3% of patients treated with dupilumab within 4-16 weeks of treatment. The patient response tended to increase throughout the duration of these studies for a significant percentage of patients, and for many it lasted beyond the study duration. Significant improvement in hand eczema severity scores and quality-of-life scores were noted. Efficacy was reported in over half of the cases of hyperkeratotic hand eczema; however, efficacy was decreased compared with relatively high consistent efficacy in other CHE subtypes such as dyshidrotic, vesicular, atopic, and contact CHE. Patients with current or previous AD had increased improvement scores compared to those without. The most common adverse effects were conjunctivitis (9.9%), herpes viral infection (1.4%), and facial erythema/dermatitis (1.3%).Dupilumab shows therapeutic efficacy in treating CHE. Further randomized controlled studies of dupilumab use in CHE subtypes are needed.
Riva et al. (Wed,) studied this question.