The contribution of itch and skin severity improvements to the Dermatology Life Quality Index in patients with atopic dermatitis in baricitinib phase III trials.

Yosipovitch, Gil; Papp, Kim; Forman, Seth; Han, George; Waibel, Jill; Rueda, Maria J; Sun, Luna; Chen, Yun-Fei et al. · Br J Dermatol · 2022

rct · Level II

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Abstract

With data from three monotherapy baricitinib phase III randomized clinical trials (RCTs), we conducted a posthoc mediator analysis to assess whether changes in itch or skin severity mediated the treatment effect over placebo on changes in health-related quality of life. In this analysis, baricitinib demonstrated significant improvement in the Dermatology Life Quality Index for which itch mediated approximately half of the changes at weeks 4 and 16.

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