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Background: Type 2 inflammation is the principal determinant of asthma in children, and it leads to the downstream activation of eosinophils (EOS), the production of immunoglobulin-E (IgE), and increased levels of fraction of exhaled nitric oxide (FeNO). Dupilumab received the approval for the treatment of uncontrolled severe Type 2 asthma in children. Objective: The aim of this analysis was to calculate the Type 2 severe asthma paediatric population who would be eligible for treatment with dupilumab in Italy and characterize them by expected biomarker status. Methods: The calculation of the dupilumab-eligible population employed a two-phase approach: 1) estimating the total number of children aged 6–11 years with uncontrolled severe asthma; and 2) stratifying the severe uncontrolled asthma population, based on appropriate biomarker levels, thus identifying patients eligible for treatment with dupilumab. The VOYAGE study provided the data for this analysis. Results: The two-phase approach utilizing VOYAGE data revealed that the average number of paediatric patients with uncontrolled severe asthma was N = 1007. Stratification of these patients, as per VOYAGE data, indicated that the majority (N = 740; 73.5%) would have ≥2 elevated biomarkers, and over one-third patients (N = 434, 43.1%) would exhibit simultaneously elevated levels of EOS, FeNO and IgE. Of the paediatric patients, N = 864 were identified as eligible to dupilumab treatment, constituting 85.8% of the target population. Notably, nearly half eligible patients (N = 454) displayed elevated levels of both EOS and FeNO biomarkers, while the substantial majority (81.1%) exhibited at least an increase of EOS levels (N = 817). Patients with increased FeNO levels without a concurrent increase in EOS were less frequent (N = 47; 5.4% of the eligible population). Conclusion: The simultaneous testing of multiple biomarkers during baseline patient assessment and disease follow-up is highly recommended. Utilizing cost-effective tests, physicians can estimate the prevalence of severe Type 2 asthma, categorize patients into distinct phenotypes (eosinophilic, allergic, or mixed), and consequently identify and prescribe the most suitable therapeutic interventions. This approach also facilitates the ongoing evaluation and adjustment of the treatment strategies based on individual patient responses.

ABSTRACT: Background: A group of Italian experts in impetigo medical care sought to define 10 statements to describe the ideal characteristics of the best local antibiotic treatments, and to provide relevant information re- garding their appropriate use and prescription that should be considered in clinical practice for impetigo management. Objective: A group of Italian experts in impetigo medical care sought to define 10 statements to describe the ideal characteristics of the best local antibiotic treatments, and to provide relevant information regarding their appropriate use and prescription that should be considered in clinical practice for impetigo management. Methods: A consensus on ideal features of antibiotic therapy for the treatment of impetigo was appraised by an online Delphi-based method, based on a panel of 61 infectious disease specialists, pediatricians, and dermatologists coordinated by a scientific committee of 5 experts specializing in impetigo management. Results: Full or very high consensus was reached on the 10 statements identified to describe the characteristics of the best hypothetic antibiotic therapy for impetigo together with indications for appropriate antibiotics use. Conclusions: Several criteria have to be considered when selecting topical antibacterial therapy for impetigo. Beyond efficacy and safety, antimicrobial susceptibility and pharmacological characteristics of the agent are essential points. Formulation of the antimicrobial product is fundamental, as well as patient and caregiver preference, to facilitate therapeutic adherence, to achieve the infection control, and to obtain the best benefit from treatment (Curr Ther Res Clin Exp. 2023; 84:XXXXXX).