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Clinical Trial
. 2005 Apr 14;352(15):1519-28.
doi: 10.1056/NEJMoa042552.

Daily versus as-needed corticosteroids for mild persistent asthma

Homer A Boushey  1 , Christine A Sorkness, Tonya S King, Sean D Sullivan, John V Fahy, Stephen C Lazarus, Vernon M Chinchilli, Timothy J Craig, Emily A Dimango, Aaron Deykin, Joanne K Fagan, James E Fish, Jean G Ford, Monica Kraft, Robert F Lemanske Jr, Frank T Leone, Richard J Martin, Elizabeth A Mauger, Gene R Pesola, Stephen P Peters, Nancy J Rollings, Stanley J Szefler, Michael E Wechsler, Elliot Israel; National Heart, Lung, and Blood Institute's Asthma Clinical Research Network
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Free article
Clinical Trial

Daily versus as-needed corticosteroids for mild persistent asthma

Homer A Boushey et al. N Engl J Med. .
Free article

Abstract

Background: Although guidelines recommend daily therapy for patients with mild persistent asthma, prescription patterns suggest that most such patients use these so-called controller therapies intermittently. In patients with mild persistent asthma, we evaluated the efficacy of intermittent short-course corticosteroid treatment guided by a symptom-based action plan alone or in addition to daily treatment with either inhaled budesonide or oral zafirlukast over a one-year period.

Methods: In a double-blind trial, 225 adults underwent randomization. The primary outcome was morning peak expiratory flow (PEF). Other outcomes included the forced expiratory volume in one second (FEV1) before and after bronchodilator treatment, the frequency of exacerbations, the degree of asthma control, the number of symptom-free days, and the quality of life.

Results: The three treatments produced similar increases in morning PEF (7.1 to 8.3 percent; approximately 32 liters per minute; P=0.90) and similar rates of asthma exacerbations (P=0.24), even though the intermittent-treatment group took budesonide, on average, for only 0.5 week of the year. As compared with intermittent therapy or daily zafirlukast therapy, daily budesonide therapy produced greater improvements in pre-bronchodilator FEV1 (P=0.005), bronchial reactivity (P<0.001), the percentage of eosinophils in sputum (P=0.007), exhaled nitric oxide levels (P=0.006), scores for asthma control (P<0.001), and the number of symptom-free days (P=0.03), but not in post-bronchodilator FEV1 (P=0.29) or in the quality of life (P=0.18). Daily zafirlukast therapy did not differ significantly from intermittent treatment in any outcome measured.

Conclusions: It may be possible to treat mild persistent asthma with short, intermittent courses of inhaled or oral corticosteroids taken when symptoms worsen. Further studies are required to determine whether this novel approach to treatment should be recommended.

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