Budesonide/formoterol pressurized metered-dose inhaler for patients with persistent asthma
Abstract:The combination of budesonide and formoterol administered in one hydrofluoroalkane pressurized metered-dose inhaler (pMDI) is approved in the United States in two dosage strengths (budesonide/formoterol pMDI 80/4.5 g × 2 inhalations [160/9 g] or 160/4.5 g × 2 inhalations [320/9 g]) in a fixed-dose, twice-daily regimen for the treatment of patients ≥12 years old with persistent asthma not adequately controlled with an inhaled corticosteroid (ICS) alone. This article reviews the clinical profile of budesonide/formoterol pMDI in patients with persistent asthma, including information on pharmacogenetics, efficacy, and tolerability. Studies of budesonide/formoterol pMDI in patients with asthma were identified through PubMed and respiratory meeting abstract databases. Budesonide/formoterol pMDI 160/9 g has shown a rapid onset (within 15 minutes) of clinically significant bronchodilation that is faster than fluticasone propionate/salmeterol dry powder inhaler (DPI) 250/50 g (within 30 minutes). The efficacy and tolerability profile of budesonide/formoterol pMDI 320/9 g was similar to fluticasone propionate/salmeterol DPI 250/50 g and budesonide/formoterol DPI 320/9 g in adults and adolescents with persistent asthma. Short-term (12-week) and long-term (6- to 12-month) studies have established greater efficacy and similar tolerability of budesonide/formoterol pMDI compared with its monocomponents and placebo in patients with mild/moderate or moderate/severe persistent asthma. Studies evaluating patient-reported outcomes, including health-related quality of life and patient satisfaction with treatment, further support the benefits of budesonide/formoterol pMDI in patients with persistent asthma. In summary, budesonide/formoterol pMDI is an effective, well-tolerated treatment option for patients with persistent asthma for whom ICS/long-acting 2-adrenergic agonist combination therapy is appropriate.
Keywords: Budesonide; combination therapy; efficacy; formoterol; inhaled corticosteroid; long-acting beta2-adrenergic agonist; persistent asthma; pharmacology; pressurized metered-dose inhaler; safety
Document Type: Research Article
Publication date: May 1, 2010
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