Journal
EUROPEAN RESPIRATORY JOURNAL
Volume 21, Issue 1, Pages 74-81Publisher
EUROPEAN RESPIRATORY SOC JOURNALS LTD
DOI: 10.1183/09031936.03.00031402
Keywords
budesonide; budesonide/formoterol; chronic obstructive pulmonary disease exacerbations; formoterol
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The efficacy and safety of budesonide/formoterol in a single inhaler compared with placebo, budesonide and formoterol were evaluated in patients with moderate-to-severe chronic obstructive pulmonary disease (COPD). In a 12-month, randomised, double-blind, placebo-controlled, parallel-group study in 812 adults (mean age 64 yrs, mean forced expiratory volume in one second (FEV1) 36% predicted normal), patients received two inhalations twice daily of either budesonide/formoterol (Symbicort(R)) 160/4.5 mug (delivered dose), budesonide 200 mug (metered dose), formoterol 4.5 mug or placebo. Severe exacerbations and FEV1 (primary variables), peak expiratory flow (PEF), COPD symptoms, health-related quality 4 life (HRQL), mild exacerbations, use of reliever beta(2)-agonist and safety variables were recorded. Budesonide/formoterol reduced the mean number of severe exacerbations per patient per year by 24% versus placebo and 23% versus formoterol. FEV1 increased by 15% versus placebo and 9% versus budesonide. Morning PEF improved significantly on day 1 versus placebo and budesonide; after 1 week, morning PEF was improved versus placebo, budesonide and formoterol. Improvements in morning and evening PEF versus comparators were maintained over 12 months. Budesonide/formoterol decreased all symptom scores and use of reliever beta(2)-agonists significantly versus placebo and budesonide, and improved HRQL versus placebo. All treatments were well tolerated. These results suggest a role for budesonide/formoterol in the long-term management of moderate-to-severe chronic obstructive pulmonary disease.
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