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Formoterol as needed with or without budesonide in patients with intermittent asthma and raised NO levels in exhaled air: A SOMA study
Linköping University, Faculty of Health Sciences. Linköping University, Department of Molecular and Clinical Medicine, Allergy Centre. Östergötlands Läns Landsting, Centre for Medicine, Allergy Centre UHL.
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2006 (English)In: European Respiratory Journal, ISSN 0903-1936, Vol. 28, no 4, 748-755 p.Article in journal (Refereed) Published
Abstract [en]

Patients with mild intermittent asthma sometimes show signs of inflammation, and guidelines suggesting bronchodilator therapy alone as needed may be questioned. The current study compared as-needed use of a rapid-acting β2-agonist with as-needed use of a β2-agonist and corticosterold combination as the only medication in asthma patients with intermittent symptoms. A total of 92 nonsmoking asthma patients (of 187 screened) using only an inhaled β2-agonist as needed (28 males, 64 females, mean age 37 yrs, mean forced expiratory volume in one second (FEV1) 101% predicted, mean reversibility 6.5% pred and fractional exhaled nitric oxide (FeNO) ≥20 parts per billion (ppb)) were randomised to treatment with formoterol (Oxis® Turbuhaler®) 4.5 μg as needed (n=47) or budesonide/formoterol (Symbicort® Turbuhaler®) 160/4.5 pg as needed (n=45) in a double-blind, parallel-group 24-week study. The primary variable of efficacy was change in FeNO. Baseline FeNO was 60 ppb and 59 ppb in the budesonide/formoterol and formoterol groups, respectively. Mean reductions in FeNO in the budesonide/formoterol and formoterol groups were 18.2 ppb and 2.8 ppb, respectively (95% confidence interval (CI) 7.5-23.5 ppb). The reduction in the budesonide/formoterol group occurred during the first 4 weeks of treatment and remained at this low level. Mean FEV1 increased by 1.8% pred normal value in the budesonide/formoterol group and decreased by 0.9% pred normal value in the formoterol group (95% Cl -4.7 - -0.7). In the budesonide/formoterol group, use of ≥4 inhalations-day-1 of study medication was seen on 21 treatment days compared with 74 in the formoterol group. In conclusion, as-needed use of an inhaled corticosteroid together with a rapid-acting bronchodilator may be more beneficial than a β2-agonist alone in patients with intermittent asthma and signs of airway inflammation. The long-term benefits are unknown. Copyright © ERS Journals Ltd 2006.

Place, publisher, year, edition, pages
2006. Vol. 28, no 4, 748-755 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-36345DOI: 10.1183/09031936.06.00128005Local ID: 31065OAI: diva2:257193
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2011-01-11

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Zetterström, Olle
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