Tapinarof Cream 1% Once Daily: Significant Efficacy in the Treatment of Moderate to Severe Atopic Dermatitis in Adults and Children Down to 2 Years of Age in the Pivotal Phase 3 ADORING Trials

Document Type

Journal Article

Publication Date

5-20-2024

Journal

Journal of the American Academy of Dermatology

DOI

10.1016/j.jaad.2024.05.023

Keywords

aryl hydrocarbon receptor agonist; atopic dermatitis; atopic eczema; randomized controlled phase 3 trials; tapinarof cream 1% QD; topical therapy

Abstract

BACKGROUND: Tapinarof cream 1% once daily (QD), a topical aryl hydrocarbon receptor agonist, downregulates pro-inflammatory Th2 cytokines, upregulates skin-barrier components, and reduces oxidative stress. OBJECTIVE: To assess tapinarof efficacy and safety in adults and children down to 2 years of age with atopic dermatitis (AD). METHODS: 813 patients were randomized to tapinarof or vehicle QD in two 8-week phase 3 trials. RESULTS: The primary efficacy endpoint, Validated Investigator Global Assessment for Atopic Dermatitis score of 0 or 1 and ≥2-grade improvement from baseline at Week 8, was met with statistical significance in both trials: 45.4% vs 13.9% and 46.4% vs 18.0% (tapinarof versus vehicle; both P<0.0001). Significantly superior EASI75 responses were also observed with tapinarof versus vehicle at Week 8: 55.8% vs 22.9% and 59.1% vs 21.2% (both P<0.0001). Rapid improvements in patient-reported pruritus were also significant with tapinarof versus vehicle. Common adverse events (≥5%) of folliculitis, headache, and nasopharyngitis were mostly mild or moderate, with lower discontinuations due to adverse events in the tapinarof groups than with vehicle. LIMITATIONS: Long-term efficacy was not assessed. CONCLUSION: Tapinarof demonstrated highly significant efficacy and favorable safety and tolerability in a diverse population of patients with AD down to 2 years of age.

Department

Dermatology

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