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  • Title: Budesonide and formoterol in a single inhaler improves asthma control compared with increasing the dose of corticosteroid in adults with mild-to-moderate asthma.
    Author: Lalloo UG, Malolepszy J, Kozma D, Krofta K, Ankerst J, Johansen B, Thomson NC.
    Journal: Chest; 2003 May; 123(5):1480-7. PubMed ID: 12740264.
    Abstract:
    BACKGROUND: We evaluated the efficacy and safety of low-dose budesonide/formoterol, 80 micro g/4.5 micro g, bid in a single inhaler (Symbicort Turbuhaler; AstraZeneca; Lund, Sweden) compared with an increased dose of budesonide, 200 micro g bid, in adult patients with mild-to-moderate asthma not fully controlled on low doses of inhaled corticosteroid alone. METHODS: All patients received budesonide, 100 micro g bid, during a 2-week run-in period. At the end of the run-in phase, 467 patients with a mean FEV(1) of 82% predicted received 12 weeks of treatment with budesonide/formoterol in a single inhaler or budesonide alone in a higher dose. Patients kept daily records of their morning and evening peak expiratory flow (PEF), nighttime and daytime symptom scores, and use of reliever medication. RESULTS: The increase in mean morning PEF-the primary efficacy measure-was significantly higher for budesonide/formoterol compared with budesonide alone (16.5 L/min vs 7.3 L/min, p = 0.002). Similarly, evening PEF was significantly greater in the budesonide/formoterol group (p < 0.001). In addition, the percentage of symptom-free days and asthma-control days (p = 0.007 and p = 0.002, respectively) were significantly improved in the budesonide/formoterol group. Budesonide/formoterol decreased the relative risk of an asthma exacerbation by 26% (p = 0.02) compared with budesonide alone. Adverse events were comparable between the two treatment groups. CONCLUSION: This study shows that in adult patients whose mild-to-moderate asthma is not fully controlled on low doses of inhaled corticosteroids, single-inhaler therapy with budesonide and formoterol provides greater improvements in asthma control than increasing the maintenance dose of inhaled corticosteroid.
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