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The efficacy and safety of dupilumab have been reported previously based on data from controlled clinical trials. The GLOBOSTAD study extends the scope of these trials by providing real-world data. This analysis reports baseline demographics and family disease history in patients with atopic dermatitis (AD) who received treatment with dupilumab in a real-world setting. This 5-year, international, multicentre, non-interventional study (GLOBOSTAD; NCT03992417) included patients ≥12 years old with moderate-to-severe AD (Investigator’s Global Assessment score ≥3) who received dupilumab treatment based on country-specific prescribing criteria. Data reported are for the population at baseline (N=952; data cut-off: March 2022) in 22 countries. In the 952 patients included at baseline, mean (standard deviation) age at AD onset was 11.1 (16.0) years. Male patients represented 57.8% of patients and White patients 65.2%. The majority of patients were enrolled from Italy (17.2%), Japan (12.4%) and Spain (11.3%). Family history of type 2 inflammatory conditions (number of patients [%]) was prevalent, including AD (364 [38.2%]), asthma (238 [25%]), allergic rhinitis (219 [23%]), food allergies (74 [7.8%]), recurrent or chronic urticaria (31 [3.3%]), nasal polyposis (21 [2.2%]), eosinophilic esophagitis (11 [1.2%]) and other atopic/allergic conditions (39 [4.1%]). Most cases of type 2 inflammatory conditions were reported in first-degree relatives. Most patients enrolled in the GLOBOSTAD study developed AD during pre-adolescence. Family history of select type 2 inflammatory conditions, including AD, asthma and allergic rhinitis, was present in a moderate proportion of patients. [ABSTRACT FROM AUTHOR]