The impact of dupilumab on skin barrier function: A systematic review.

Skin barrier dysfunction plays an important role in atopic dermatitis (AD) aetiopathogenesis. Dupilumab, a drug that inhibits IL-4 and IL-13, is an effective treatment for AD but there is scarce evidence about its impact on epidermal barrier. The objective of this systematic review is to evaluate the influence of dupilumab on skin barrier in patients with AD using non-invasive tools. A systematic review was designed following PRISMA guidelines. The literature search identified 73 references and, finally, only 6 were selected, including a total of 233 participants. All the studies were prospective observational studies. Dupilumab improved clinical scores in all the research. Skin barrier function parameters were mainly measured on the volar forearm. Transepidermal water loss (TEWL) was the parameter most frequently measured, evaluated in all the studies. Dupilumab decreased TEWL on eczematous lesions and non-involved skin. About 33.6% (2/6) studies reported that dupilumab also increased stratum corneum hydration (SCH) on eczematous lesions while one study did not report any changes in this parameter. This drug also decreased temperature and improved ceramide composition. In conclusion, dupilumab improved skin barrier function in AD patients, mainly reflected in a decreased in TEWL values. © 2023 European Academy of Dermatology and Venereology.

Citation

Trinidad Montero-Vilchez, Raquel Sanabria-de-la-Torre, Manuel Sanchez-Diaz, Clara Ureña-Paniego, Alejandro Molina-Leyva, Salvador Arias-Santiago. The impact of dupilumab on skin barrier function: A systematic review. Journal of the European Academy of Dermatology and Venereology : JEADV. 2023 Jul;37(7):1284-1292

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PMID: 36995919

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