Effectiveness of Low Doses (50 and 100 μg b.i.d.) of Beclomethasone Dipropionate Delivered as a CFC-Free Extrafine Aerosol in Adults with Mild to Moderate Asthma

The objective of this study was to evaluate the efficacy and safety of low doses (50 and 100 μg b.i.d.) of hydrofluoroalkane-134a (HFA) beclomethasone dipropionate (BDP) extrafine aerosol in improving asthma control. Reformulation of BDP in a new chlorofluorocarbon (CFC)-free propellant (HFA) has pr...

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Published in:The Journal of asthma 2000, Vol.37 (5), p.389-398
Main Authors: Hampel, Frank, Lisberg, Edward, Guerin, Jean-Claude, Group, The Study
Format: Article
Language:English
Subjects:
Asthma
Beclomethasone dipropionate
Biological and medical sciences
Hydrofluoroalkane formulation
Medical sciences
Pharmacology. Drug treatments
Respiratory system
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container_title The Journal of asthma
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creator Hampel, Frank
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description The objective of this study was to evaluate the efficacy and safety of low doses (50 and 100 μg b.i.d.) of hydrofluoroalkane-134a (HFA) beclomethasone dipropionate (BDP) extrafine aerosol in improving asthma control. Reformulation of BDP in a new chlorofluorocarbon (CFC)-free propellant (HFA) has produced an extrafine aerosol with increased delivery of the drug to the airways of the lung. The study population comprised 270 steroid-naive patients with mild to moderate asthma (mean baseline forced expiratory volume in 1 sec [FEV,] as a percentage of predicted normal of 65%-85%). This was a 6-week, blinded, placebo-controlled, multicenter study. Patients were randomized to receive 50 or 100 μg b.i.d. HFA-BDP or HFA-placebo. Treatment with either 50 or 100 μg b.i.d. HFA-BDP resulted in a significantly greater improvement compared with placebo in FEV, (mean change from baseline as percentage of predicted normal of 6.7%, 8.6%, and 0.4%, respectively; p ≤ 0.01 active treatment groups vs. placebo), with a significant trend toward increasing improvement with increasing doses (p ≤ 0.0001). Treatment also resulted in significantly greater mean changes from baseline in morning peak expiratory flow compared with placebo (29.5, 33.8, and 5.0 L/min, respectively; p ≤ 0.01 active treatment groups vs. placebo). All other pulmonary function and asthma symptom measures supported these data. The study treatments were well tolerated. These results show that low doses of HFA-BDP extrafine aerosol effectively improve asthma control in adult patients with mild to moderate asthma. However, it is important that inhaled corticosteroid therapy is still given at a dose high enough to control airway inflammation as well as asthma symptoms.
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source Taylor and Francis:Jisc Collections:Taylor and Francis Read and Publish Agreement 2024-2025:Medical Collection (Reading list)
subjects Asthma
Beclomethasone dipropionate
Biological and medical sciences
Hydrofluoroalkane formulation
Medical sciences
Pharmacology. Drug treatments
Respiratory system
title Effectiveness of Low Doses (50 and 100 μg b.i.d.) of Beclomethasone Dipropionate Delivered as a CFC-Free Extrafine Aerosol in Adults with Mild to Moderate Asthma
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