• A S Belevskiy, N M Nenasheva, N Y Kravchenko, N N Makar'iants, and D A Kuntsev.
• Pirogov Russian National Research Medical University.
• Terapevt Arkh. 2022 Aug 12; 94 (7): 865-871.

AimCreation of the "Russian register of patients with severe asthma" and obtaining data on the population characteristics of patients with severe asthma (SA), the prevalence of SA phenotypes, treatment outcomes and the degree of disease control.Materials And MethodsObservational non-interventional study, which consists in the data analysis obtained on the basis of registration cards of the Russian Register of Patients with Severe Bronchial Asthma, data collection in which was carried out on the Oracle XE platform. Statistical data processing was carried out using Power BI, PSPP and Microsoft Excel spreadsheets.ResultsThe study included 4376 adult patients (mean age 60.613.5 years, 65% women) diagnosed with SA from 57 regions of Russia for the period from June 2018 to December 2021. T2 inflammation was detected in 94.8% of patients when determining blood eosinophils and IgE of blood serum; 69% of patients with SA corresponded to the allergic phenotype. 83.3% of patients had no control of BA and 53% had 1 or more exacerbations of BA per year. 8% of patients received systemic corticosteroids as a permanent therapy, while biologics 10.6%.ConclusionThe vast majority of adult patients with SA correspond to the T2 phenotype, have uncontrolled asthma with a high frequency of exacerbations and reduced lung function. A more favorable course of the disease was noted in patients receiving biological therapy, which requires appropriate measures to increase the possibility of access to this type of therapy.

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