Magnitude and Time Course of Response to Abrocitinib for Moderate-to-Severe Atopic Dermatitis.

Emerging treatments for moderate-to-severe atopic dermatitis (AD) may provide greater and faster improvement in AD signs and symptoms than current therapies. To examine JADE COMPARE (NCT03720470) data using stringent efficacy end points. Adults with moderate-to-severe AD were randomly assigned 2:2:2:1 to receive oral abrocitinib 200 or 100 mg once daily, subcutaneous dupilumab 300 mg every 2 weeks (600-mg loading dose), or placebo, with medicated topical therapy for 16 weeks. Stringent response thresholds were applied for Eczema Area and Severity Index (EASI), Investigator's Global Assessment, Dermatology Life Quality Index, Peak Pruritus Numerical Rating Scale, and Night Time Itch Scale severity. At week 16, 48.9%, 38.0%, and 38.8% of the abrocitinib 200-mg, 100-mg, and dupilumab groups, respectively, achieved greater than or equal to 90% improvement from baseline in EASI versus 11.3% placebo; 14.9%, 12.6%, and 6.5% achieved Investigator's Global Assessment 0 (clear) versus 4.8% placebo; 29.7%, 21.6%, and 24.0% achieved Dermatology Life Quality Index 0/1 (no/minimal impact on quality of life) versus 10.6% placebo; and 57.1%, 44.5%, and 46.1% achieved Night Time Itch Scale severity 0/1 (no/minimal night-time itch) versus 31.9% placebo. Kaplan-Meier median time to greater than or equal to 90% improvement from baseline in EASI was 59, 113, and 114 days in the abrocitinib 200-mg, 100-mg, and dupilumab groups, respectively, and was not evaluable for placebo; median time to Peak Pruritus Numerical Rating Scale 0/1 (no/very minimal itch) was 86 and 116 days for abrocitinib 200-mg and dupilumab groups, respectively, and was not evaluable for abrocitinib 100-mg and placebo groups. A greater proportion of patients treated with abrocitinib than placebo had almost complete control of AD signs and symptoms.

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