498 - Real-world use and effectiveness of upadacitinib in adults and adolescents with atopic dermatitis: preliminary analysis of the real-world multicountry AD-VISE study

Abstract Introduction & Objectives Upadacitinib (UPA) 15 and 30 mg once daily is approved for moderate to severe atopic dermatitis (AD) in several jurisdictions, including the European Union, Japan, Canada, and the United States, with indication/posology differences. Clinical studies have documented the safety and efficacy of UPA; however, real-world data on UPA are limited. The AD-VISE study objective is to characterize the real-world utilization patterns and effectiveness of UPA 15 and 30 mg in adults and adolescents with AD in clinical practice. Materials & Methods AD-VISE is an ongoing observational, prospective, multicountry study to assess the use of UPA in routine clinical practice for 2 years. Adult and adolescent patients (pts) receiving UPA for AD are being enrolled. Primary effectiveness outcome measures included validated Investigator Global Assessment for Atopic Dermatitis (vIGA-AD) 0/1 at month 4. Other outcome measures included Eczema Area and Severity Index (EASI), Worst Pruritus Numeric Rating Scale (WP-NRS), and Dermatology Life Quality Index (DLQI). This interim analysis (data cutoff February 27, 2023) reports baseline data and 2- and 4-month effectiveness data. Effectiveness analyses included pts that were enrolled at least 4 months by the data cutoff date or discontinued from the study; non-responder imputation with multiple imputation (NRI-MI) was used. Results Baseline analyses included 267 pts, of whom 21 (7.9%) were adolescents; effectiveness analyses included 209 patients (NRI-MI). Overall, 155 (58.1%) pts started on UPA 15 mg and 112 (41.9%) started on UPA 30 mg. Most pts in this analysis were from Canada (56.2%), followed by Russia (10.9%) and Australia (8.6%). Mean (SD) UPA exposure was 218.8 (±117.6) days; 5.6% of pts discontinued UPA and 3.7% discontinued the study. The most common reason for starting on UPA 15 mg was attempting lowest possible effective dose (42.9%) and on 30 mg, high disease burden/severity of skin symptoms (35.2%). More pts starting UPA 30 mg vs 15 mg were between 18 to <65 years old (96.4% vs 76.1%), male (61.6% vs 51.0%), had severe AD (vIGA-AD score 4: 53.6% vs 46.3%), had prurigo nodules (30.6% vs 18.4%), asthma (45.5% vs 24.5%), and prior biologic systemic therapy use (16.1% vs 10.3%) . More than half of the pts (51.2%) achieved vIGA-AD 0/1 at month 2, and this proportion increased to 61.3% at month 4. Similarly, rate of achieving EASI 90 (month 2: 46.9%; month 4: 57.2%) and DLQI 0/1 (month 2: 35.1%; month 4: 41.3%) increased, whereas rates were maintained for ≥4-point WP-NRS improvement (month 2: 68.1%; month 4: 69.3%). Similar results were observed with other endpoints. Conclusion Initial findings from the AD-VISE study, the largest study to report multicountry real-world data on UPA treatment patterns and effectiveness in AD, suggest that most pts achieved clear/almost clear skin and clinically meaningful itch improvement by month 4. Because this is a real-world observational study, it was expected that physicians start with UPA dose per local label. The main reason for starting UPA 30 mg was high disease burden/severity of skin symptoms, whereas 15 mg was started to attempt the lowest possible effective dose. More pts starting UPA 30 mg vs 15 mg were adults, male, and had prior biologic systemic therapy use.

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