Abstract
Atopic dermatitis (AD) skin lesions are associated with oozing, bleeding, and erythema that are primarily driven by polarized type 2 immune responses. These suggest vascular changes in AD. Dupilumab is an antibody to the alpha-subunit of interleukin (IL)-4 receptor that demonstrates robust efficacy in the treatment of moderate-to-severe AD. IL-4 is known to reduce the permeability barrier function of vascular endothelium. The effect of dupilumab on vascular barrier function in AD is unknown.
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