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Open Access 01-12-2011 | Research article

Asthma control in patients receiving inhaled corticosteroid and long-acting beta₂-agonist fixed combinations. A real-life study comparing dry powder inhalers and a pressurized metered dose inhaler extrafine formulation

Authors: Veronika Müller, Gabriella Gálffy, Noemi Eszes, György Losonczy, Andrea Bizzi, Gabriele Nicolini, Henry Chrystyn, Lilla Tamási

Published in: BMC Pulmonary Medicine | Issue 1/2011

Abstract

Background

Although patients have more problems using metered dose inhalers, clinical comparisons suggest they provide similar control to dry powder inhalers. Using real-life situations this study was designed to evaluate asthma control in outpatients with moderate to severe persistent asthma and to compare efficacy of fixed combinations of inhaled corticosteroids (ICS) and long acting beta-agonists (LABA).

Methods

This real-life study had a cross-sectional design. Patients using fixed combinations of ICS and LABA had their asthma control and spirometry assessed during regular visits.

Results

111 patients were analyzed: 53 (47.7%) received maintenance therapy of extrafine beclomethasone-formoterol (BDP/F) pressurized metered dose inhaler (pMDI), 25 (22.5%) fluticasone-salmeterol (FP/S) dry powder inhaler (DPI), and 33 (29.7%) budesonide-formoterol (BUD/F) DPI. Severity of asthma at time of diagnosis, assessed by the treating physician, was comparable among groups. Asthma control was achieved by 45.9% of patients; 38.7% were partially controlled and 15.3% were uncontrolled. In the extrafine BDF/F group, asthma control total score, daytime symptom score and rescue medication use score were significantly better than those using fixed DPI combinations (5.8 ± 6.2 vs. 8.5 ± 6.8; 1.4 ± 1.8 vs. 2.3 ± 2.1; 1.8 ± 2.2 vs. 2.6 ± 2.2; p = 0.0160; p = 0.012 and p = 0.025, respectively) and the mean daily ICS dose were significantly lower.

Conclusions

pMDI extrafine BDP/F combination demonstrated better asthma control compared to DPIs formulated with larger particles. This could be due to the improved lung deposition of the dose or less reliance on the optimal inhalation technique or both.

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The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2466/11/40/prepub

Title: Asthma control in patients receiving inhaled corticosteroid and long-acting beta2-agonist fixed combinations. A real-life study comparing dry powder inhalers and a pressurized metered dose inhaler extrafine formulation
Authors: Veronika Müller
Gabriella Gálffy
Noemi Eszes
György Losonczy
Andrea Bizzi
Gabriele Nicolini
Henry Chrystyn
Lilla Tamási
Publication date: 01-12-2011
Publisher: BioMed Central
Published in: BMC Pulmonary Medicine / Issue 1/2011
Electronic ISSN: 1471-2466
DOI: https://doi.org/10.1186/1471-2466-11-40

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Asthma control in patients receiving inhaled corticosteroid and long-acting beta₂-agonist fixed combinations. A real-life study comparing dry powder inhalers and a pressurized metered dose inhaler extrafine formulation

Abstract

Background

Methods

Results

Conclusions

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Abstract

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