Disease burden among patients with atopic dermatitis treated with systemic therapy for 4–12 months: results from the CorEvitas Atopic Dermatitis Registry

Abstract

BackgroundReal-world data on the effectiveness of systemic therapy in atopic dermatitis (AD) are limited.MethodsAdult patients with AD in the CorEvitas AD registry (2020–2021) who received systemic therapies for 4–12 months prior to enrollment were included based on disease severity: body surface area (BSA) 0%–9% and BSA ≥10%. Demographics, clinical characteristics, and outcomes were assessed using descriptive statistics. Pairwise effect sizes (ES) were used to compare BSA groups.ResultsThe study included 308 patients (BSA 0%–9%: 246 [80%]; BSA ≥10%: 62 [20%]). Despite systemic therapy, both BSA groups reported the use of additional topical therapy and the presence of lesions at difficult locations. Moderate-to-severe AD (vIGA-AD®) was reported by 11% (BSA 0%–9%) and 66% (BSA ≥10%; ES = 0.56) of patients. Mean disease severity scores: total BSA (2% and 22%; ES = 3.59), EASI (1.1 and 11.1; ES = 2.60), and SCORAD (12.1 and 38.0; ES = 1.99). Mean scores for PROs: DLQI (3.7 and 7.5; ES = 0.75), and peak pruritus (2.2 and 4.5; ES = 0.81). Inadequate control of AD was seen in 27% and 53% of patients (ES = 0.23).ConclusionsPatients with AD experience a high disease burden despite systemic treatment for 4–12 months. This study provides potential evidence of suboptimal treatment and the need for additional effective treatment options for AD.