Introduction Dimethyl fumarate (DMF) is an oral compound to treat plaque psoriasis. Data on the treatment of patients with psoriasis affecting impactful areas are scarce. In this interim analysis of the prospective, noninterventional SKILL study, we summarized results of DMF treatment regarding effectiveness (overall and in impactful areas) and safety. Methods Data from 676 patients suffering from moderate-to-severe plaque psoriasis were analyzed after 52 weeks of DMF treatment. Of these, 257 had data available after 52 weeks. The considered impactful areas were nails, palms, soles, and scalp. Data analysis included observed cases (OC) and last observation carried forward (LOCF). Results All effectiveness parameters improved after 52 weeks. The Psoriasis Area and Severity Index score was reduced by 79.5% (OC) and 65.7% (LOCF). Compared with baseline, improvements were shown for 70.2% of the patients in their nail psoriasis [nail-Physician Global Assessment (PGA)] and for 57.3% in palmoplantar disease (palmoplantar-PGA). The proportion of patients with scalp-PGA 0/1 (clear/almost clear) increased significantly to 79.8% (OC) and 69.3% (LOCF, both p < 0.001) (versus 37.5% and 36.6% at baseline, respectively). Significant reduction of pruritus ( p < 0.001) was also observed. No unexpected adverse drug reactions were observed. Conclusion Long-term treatment with DMF in routine practice showed good overall effectiveness and safety, and a positive effect on plaque-psoriasis-affected impactful areas. Supplementary Information The online version contains supplementary material available at 10.1007/s13555-022-00714-0.

Introduction Dupilumab is the first biologic licensed to treat patients with moderate-to-severe atopic dermatitis (AD) who require systemic therapy. PROLEAD was designed to document the real-world effectiveness and safety of dupilumab in patients with moderate-to-severe AD. The present study aims to describe the baseline characteristics of patients treated with dupilumab in Germany. Methods PROLEAD is a national, multicentre, prospective, non-interventional study, with a 2-year observation period. Adults with moderate-to-severe AD treated with dupilumab were included. Baseline characteristics, physician assessments, and patient-reported outcomes (PROs) were collected. Results The study involved 126 sites throughout Germany. Of 839 patients assessed for eligibility, 828 were included, with baseline data available for 817 patients. Mean (standard deviation, SD) age of patients was 43.4 (15.8) years, with 396 (48.5%) patients being female. Overall, 66.6% of patients received their first diagnosis of AD during childhood. In total, 423 (51.8%) patients had co-existing atopic and type 2 inflammatory diseases, including allergic conjunctivitis (36.8%) and bronchial asthma (22.5%). Overall, 61.4% of patients had received systemic therapy, most commonly oral corticosteroids (49.9%). Approximately half of patients (51.3%) had received UV/phototherapy prior to baseline. Treatment with moderate-potent (Class 2) or potent (Class 3) topical corticosteroids was the most common concomitant treatment at baseline. However, 50.4% of patients had not received concomitant AD treatment with dupilumab at baseline. The most reported reason for initiating dupilumab was “Topical therapy alone was not sufficient” (95.1%). Mean (SD) physician assessments: EASI: 22.9 (14.5); SCORAD: 63.3 (16.2); IGA: 3.3 (0.7). Mean (SD) PROs: DLQI: 13.9 (7.1); peak pruritus NRS: 7.4 (2.3). Conclusions Patients with moderate-to-severe AD present a long medical history, impaired quality of life, and high prevalence of co-existing type 2 inflammatory diseases. Dupilumab was used as a first-line systemic treatment in 38.6% of patients. Supplementary Information The online version contains supplementary material available at 10.1007/s13555-022-00791-1.

This interim analysis from the atopic dermatitis registry TREATgermany shows robust long‐term efficacy, favourable safety and high persistence of dupilumab under real life conditions.

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HARTMANN et al.