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  • Title: Early bronchodilatory effects of budesonide/formoterol pMDI compared with fluticasone/salmeterol DPI and albuterol pMDI: 2 randomized controlled trials in adults with persistent asthma previously treated with inhaled corticosteroids.
    Author: Hampel FC, Martin P, Mezzanotte WS.
    Journal: J Asthma; 2008 May; 45(4):265-72. PubMed ID: 18446589.
    Abstract:
    Two identically designed, randomized, multicenter, single-dose, crossover studies were conducted in patients aged > or = 18 years with mild to moderate asthma previously treated with inhaled corticosteroids. After 2 weeks on twice-daily budesonide pressurized metered-dose inhaler (pMDI) 160 microg, patients received a randomized sequence of budesonide/formoterol pMDI 80/4.5 microg x 2 inhalations (160/9 microg), fluticasone/salmeterol dry powder inhaler (DPI) 250/50 microg x 1 inhalation, albuterol pMDI 90 microg x 2 inhalations (180 microg), and placebo pMDI (3-to 14-day washout periods). Improvements in forced expiratory volume in 1 second (FEV(1)) at 3 minutes were significantly (p < 0.001) greater after treatment with budesonide/formoterol pMDI compared with fluticasone/salmeterol DPI and similar to that of albuterol pMDI. In addition, significantly (p < 0.001) more patients treated with budesonide/formoterol pMDI achieved a 15% improvement in FEV(1) within 15 minutes compared with patients treated with fluticasone/salmeterol DPI and placebo. Thus, the early bronchodilatory effects of budesonide/formoterol pMDI were greater than with fluticasone/salmeterol DPI.
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