Two-Year Integrated Efficacy And Safety Analysis Of Benralizumab In Severe Asthma
AuthorFitzGerald, J Mark
Bleecker, Eugene R
Busse, William W
Ferguson, Gary T
Martin, Ubaldo J
AffiliationUniv Arizona, Coll Med, Div Pharmacogen
Univ Arizona, Coll Med, Div Genet Genom & Precis Med
MetadataShow full item record
PublisherDOVE MEDICAL PRESS LTD
CitationFitzGerald, J. M., Bleecker, E. R., Bourdin, A., Busse, W. W., Ferguson, G. T., Brooks, L., … Martin, U. J. (2019). Two-Year Integrated Efficacy And Safety Analysis Of Benralizumab In Severe Asthma. Journal of Asthma and Allergy, Volume 12, 401–413. https://doi.org/10.2147/jaa.s227170
JournalJOURNAL OF ASTHMA AND ALLERGY
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AbstractBackground: Benralizumab is an interleukin-5 receptor alpha-directed cytolytic monoclonal antibody. Treatment with benralizumab significantly reduces exacerbations and improves lung function after 1 year for patients with severe, uncontrolled eosinophilic asthma. Objective: We explored whether benralizumab efficacy was sustained after an additional year of treatment while maintaining an acceptable safety profile. Methods: Data from the pivotal 48-week SIROCCO and 56-week CALIMA studies were integrated with data from the predefined 56-week adult phase of the BORA extension study to provide a 2-year integrated efficacy and safety analysis of benralizumab. BORA enrolled patients who had completed SIROCCO or CALIMA. Patients receiving benralizumab 30 mg subcutaneously, either every 4 weeks (Q4W) or every 8 weeks (Q8W; first three doses Q4W), were assessed. Efficacy was evaluated based on baseline blood eosinophil counts from the pivotal studies (>= 300 and <300 cells/mu L). Results: Mean treatment exposures were 24.3 (Q4W, n=518) and 24.6 (Q8W, n=512) months. Exacerbation frequency reductions observed in SIROCCO/CALIMA were maintained; 50% of the patients had no exacerbations during the 2-year study period (crude exacerbation rate, Q8W: 0.56 exacerbations/year for patients with blood eosinophil counts >= 300 cells/mu L). Lung function improvements with benralizumab were maintained for 2 years, as represented by increases in mean prebronchodilator forced expiratory volume in 1 second from baseline of 0.343 L and 0.364 L with 1 and 2 years of benralizumab Q8W treatment, respectively, for patients with blood eosinophil counts >= 300 cells/mu L. Health-related quality of life improvements with benralizumab observed in the pivotal studies were also sustained. Adverse events and serious adverse event rates were similar between the BORA extension and SIROCCO/CALIMA periods, with no new or unexpected occurrence of adverse events. Conclusion: This benralizumab 2-year integrated analysis further supports long-term use of benralizumab for patients with severe, uncontrolled eosinophilic asthma.
NoteOpen access journal
VersionFinal published version
SponsorsAstraZeneca; Kyowa Hakko Kirin
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- Issue date: 2019 Jan
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- Issue date: 2017 Sep
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