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Volume 7, Pages 1082-1089
Research Article

Is There Any Point in a Corticosteroid Treatment of Intermittent Asthma?

1The Clinic for Lung Diseases and TBC, University Hospital, Niš, Serbia
2The Institute for Lung Diseases, University Hospital, Belgrade, Serbia

Received 11 February 2007; Revised 8 May 2007; Accepted 11 May 2007

Academic Editor: Joav Merrick

Copyright © 2007 Ivana Stankovic et al.


International guidelines advocate the early introduction of inhaled corticosteroids (ICS) in all types of persistent asthma. Our study was undertaken to assess the effects of ICS on bronchial hyperresponsiveness (BHR) as a hallmark of inflammation, and to assess the symptoms, the use of rescue medications, and the parameters of lung function in patients with mild intermittent asthma. The patients with intermittent asthma (n = 85) were randomly allocated to a treatment with ICS, beclomethasone dipropionate 250 μg/day and short-acting β2 agonists salbutamol as needed (Group A, n = 45) or to a treatment with only short-acting β2 agonists as needed (Group B, n = 40) during the 6-month treatment period. At the end of the study, in Group A, we found a statistically significant decrease of BHR (PD20 0.98 vs. 2.07) (p < 0.001), diurnal peak expiratory flow (PEF) variability (17.9 vs. 13.8) (p < 0.001), symptom scores (0.63 vs. 0.30) (p < 0.001), and used rescue medication (p < 0.001), while the parameters of lung function remained unchanged except for forced expiratory volume in 1 sec (FEV1), which had a statistically significant increase (3.58 vs. 3.66) (p < 0.001). In Group B, there was a statistically significant decrease of lung function parameters FEV1 (3.80 vs. 3.71) (p < 0.001), forced vital capacity (FVC) (4.43 vs. 4.37) (p < 0.001), FEV1/FVC (88.2 vs. 85.3) (p < 0.05), PEF (8.05 vs. 7.51) (p < 0.01), PEF variability (17.85 vs. 18.33) (p < 0.001), increased BHR (PD20 1.04 vs. 0.62) (p < 0.05), and symptom scores (0.46 vs. 0.62) (p < 0.01), as well as the use of rescue medication during the day (p < 0.001). Early introduction of low doses of ICS may be more beneficial than β2 agonists alone in patients with intermittent asthma.