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Efficacy of inhaled budesonide and oral theophylline in asthmatic subjects.

Author(s): Morali T, Yilmaz A, Erkan F, Akkaya E, Ece F, Baran R

Affiliation(s): SSK Sureyyapasa Center for Chest Diseases and Thoracic Surgery, Istanbul, Turkey.

Publication date & source: 2001-12, J Asthma., 38(8):673-9.

Publication type: Clinical Trial; Randomized Controlled Trial

The aim of present study was to evaluate clinical, functional, and anti-inflammatory effects of inhaled budesonide and oral theophylline treatments in patients with mild to moderate asthma. The study included 38 patients. After a 10-day run-in period, the patients were randomly assigned into two groups. Group 1 received inhaled budesonide (Pulmicort Turbuhaler) 800 microg/day for 4 weeks. Group 2 received oral theophylline (Talotren tablets, 200 mg twice daily) for 4 weeks. Inhaled budesonide therapy was accompanied by a significant decrease in serum interleukin (IL)-5 levels (p < 0.0005) and blood, sputum, and nasal eosinophil counts (p < 0.005). It produced a significant reduction in daytime (p < 0.01) and nighttime (p < 0.005) symptom scores and an increase in morning (p < 0.005) and evening (p < 0.05) peak expiratory flow (PEF) and forced expiratory volume in I sec (FEV1) values (p < 0.01). Theophylline therapy was associated with a significant decrease in blood (p < 0.02) and nasal (p < 0.01) eosinophil counts and serum IL-5 levels (p < 0.01). It resulted in significant improvements in daytime and nighttime symptom scores (p < 0.05), and morning PEF and FEV1 values (p < 0.05). These changes were more significant in group I than in group 2. There was no statistically significant difference between the two groups with respect to post-treatment values. Our results confirm the role of inhaled corticosteroids in the treatment of asthma and are consistent with the recommendation that theophylline exerts an anti-inflammatory effect. Further studies should be conducted to determine long-term benefits of theophylline.

Page last updated: 2006-01-31

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