Journal
HAUTARZT
Volume 72, Issue 11, Pages 963-974Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00105-021-04859-5
Keywords
Claims data analysis; Secondary data analysis; Treatment patterns; Prevalence estimation; Systemic treatment
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The prevalence of adult atopic dermatitis in Germany was 1.6-1.9% from 2012 to 2015, with an annual incidence of 0.28%. In late 2015, 44.2% of adults diagnosed with AD by a dermatologist received prescriptions for AD medications, indicating that over half of treated AD patients required systemic drug therapy.
Background The goal was to report incidence, prevalence, and treatment patterns in adult atopic dermatitis (AD) patients in the German statutory health insurance system. Patient and methods Anonymized claims data were evaluated at patient level for 3.3 million persons insured by six different statutory health insurance companies (SHI). Patients for whom the ICD-10 diagnosis code L20 (AD) was applied at least twice were analyzed and data on prescription patterns for AD were reported for the years 2011-2015. Results AD prevalence in adults was 1.6-1.9% in 2012-2015. Annual incidence was 0.28%. In Q3/Q4 2015, 44.2% of the adult population with AD diagnosis by a dermatologist received prescriptions for AD medications: 1.6% low-potency topical glucocorticoids (without previous prescription of systemic drugs), 46.9% moderate or high-potency topical glucocorticoids or topical calcineurin inhibitors, 23.9% current systemic therapy (systemic glucocorticoids, ciclosporin, methotrexate, azathioprine, mycophenolate mofetil) and 27.6% systemic therapy in the past. Conclusions The AD prevalence estimate was in the range of previous reports (1.35-4%) that used different methodologies. Based on treatment proxy, it appeared that almost more than half of AD patients treated with prescription ready-to-use drugs had a severe form of AD which required treatment with systemic drugs.
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