Respiratory medicine · 2021
Efficacy of mepolizumab in usual clinical practice and characteristics of responders.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Rodríguez-García Carlota, Blanco-Aparicio Marina, Nieto-Fontarigo Juan José, Blanco-Cid Nagore, Gonzalez-Fernandez Coral, Mosteiro-Añon Mar, Calvo-Alvarez Uxío, Perez-De-Llano Luis, Corbacho-Abelaira María Dolores, Lourido-Cebreiro Tamara, Dominguez-Juncal Luis Miguel, Crespo-Diz Carlos, Dacal-Quintas Raquel, Pallares-Sanmartin Abel, Dacal-Rivas David, Gonzalez-Barcala Francisco Javier
Аннотация
BACKGROUND: Severe eosinophilic asthma is a high-burden disease. Mepolizumab has been effective in several randomized clinical trials. However, such success might not be applicable to patients treated in usual clinical practice. The objectives of this article are to evaluate the efficacy of mepolizumab in severe uncontrolled eosinophilic asthma under usual clinical practice, and to determine characteristics associated with the response to this treatment.
METHODS: We have conducted a retrospective, multicentre study, including all adult patients with severe uncontrolled eosinophilic asthma in Galicia, Spain, on whom mepolizumab treatment was started before June 2020, at least 6 months before the time of inclusion, and had received at least one dose of the drug. Patient characteristics, clinical data, respiratory function and comorbidities were collected at baseline and at the 6-month-follow-up. Responders and super-responders were defined according to clinical response and requirement of systemic corticosteroids.
RESULTS: 122 patients (mean age 58 years old) were included. In the follow-up treatment 6 months later, 75.4% of the patients were well-controlled, displaying a significant reduction in blood eosinophil counts (p < 0.001), hospital admissions and disease exacerbations (p < 0.001), and had their systemic glucocorticosteroid dose significantly reduced (p < 0.001). The inhaled corticosteroid dose was also lowered (p < 0.01) after 6 months of treatment. Around two-thirds had a clinically significant increase in FEV1, 95% of the patients were considered responders and 43% super-responders.
CONCLUSION: In routine clinical practice, mepolizumab is effective in patients with severe eosinophilic asthma and it has a good safety profile.
METHODS: We have conducted a retrospective, multicentre study, including all adult patients with severe uncontrolled eosinophilic asthma in Galicia, Spain, on whom mepolizumab treatment was started before June 2020, at least 6 months before the time of inclusion, and had received at least one dose of the drug. Patient characteristics, clinical data, respiratory function and comorbidities were collected at baseline and at the 6-month-follow-up. Responders and super-responders were defined according to clinical response and requirement of systemic corticosteroids.
RESULTS: 122 patients (mean age 58 years old) were included. In the follow-up treatment 6 months later, 75.4% of the patients were well-controlled, displaying a significant reduction in blood eosinophil counts (p < 0.001), hospital admissions and disease exacerbations (p < 0.001), and had their systemic glucocorticosteroid dose significantly reduced (p < 0.001). The inhaled corticosteroid dose was also lowered (p < 0.01) after 6 months of treatment. Around two-thirds had a clinically significant increase in FEV1, 95% of the patients were considered responders and 43% super-responders.
CONCLUSION: In routine clinical practice, mepolizumab is effective in patients with severe eosinophilic asthma and it has a good safety profile.