Mepolizumab effectiveness on small airway obstruction, corticosteroid sparing and maintenance therapy step-down in real life

Nicola Scichilone, Amelia Grosso, Pierluigi Paggiaro, Ilenia Folletti, Marco Scalese, Manuela Latorre, Paolo Cameli, Gianna Camiciottoli, Corrado Pelaia, Pierluigi Paggiaro, Antonino Musarra, Giulio Bardi, Giovanna Elisiana Carpagnano, Bruno Sposato, Paola Rogliani, Gianna Camiciottoli, Simonetta Masieri, Stefano Baglioni, Angelo Corsico, Girolamo PelaiaElena Bacci, Mauro Maniscalco, Alberto Ricci, Elena Bargagli, Nicola Murgia, Pierachille Santus

Risultato della ricerca: Articlepeer review

14 Citazioni (Scopus)

Abstract

Background: Mepolizumab (MEP) has been recently introduced to treat severe eosinophilic asthma. Trials have demonstrated a significant effectiveness in this asthma phenotype. We evaluated MEP efficacy on lung function, symptoms, asthma exacerbations, biologic markers, steroid dependence and controller treatment level in real-life. Methods: We retrospectively analyzed 134 severe asthmatics (61 males; mean age 58.3 ± 11; mean FEV1%:72 ± 21), treated with MEP for at least 6 months (mean duration:10.9 ± 3.7 months). Results: FEV1% improved significantly after MEP. Mean FEF25-75 also increased from 37.4 ± 25.4% to 47.2 ± 27.2% (p < 0.0001). Mean baseline blood eosinophil level was 712 ± 731/μL (8.4 ± 5.2%) decreasing to 151 ± 384/μL (1.6 ± 1.6%) (p < 0.0001), FENO levels decreased likewise. MEP treatment also led to a significant ACT improvement (mean pre:14.2 ± 4.4; mean post:20.5 ± 28) and exacerbations significantly fell from 3.8 ± 1.9 to 0.8 ± 1.1 (p < 0.0001). 74% of patients were steroid-dependent before MEP. 45.4% and 46.4% of them showed a suspension and dose reduction respectively (p < 0.0001). A significant number reduced also ICS doses. Only 67% of subjects used SABA as needed before MEP, falling to 20% after MEP. About 40% of patients highlighted a maintenance therapy step-down. Subjects showing an omalizumab treatment failure before MEP had a similar positive response when compared with omalizumab untreated patients. Conclusion: In real-life, MEP improved significantly all outcomes even small airway obstruction, suggesting its possible role also in distal lung region treatment. Furthermore, it demonstrated its high effectiveness in OC/ICS-sparing, in reducing SABA as needed and in stepping-down maintenance therapy. MEP is a valid alternative for patients with previous omalizumab treatment failure.
Lingua originaleEnglish
Numero di pagine6
RivistaPULMONARY PHARMACOLOGY & THERAPEUTICS
Volume61
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

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