Adjustable maintenance dosing with budesonide/formoterol or budesonide: double-blind study |
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Authors: | Pohl W R Vetter N Zwick H Hrubos W |
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Institution: | Grimmenstein Hospital, Landesklinik Hochegg, Hocheggerstrasse 88, A-2840 Grimmenstein, Austria. w.pohl@landesklinik-hochegg.at |
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Abstract: | Adjustable maintenance dosing with either budesonide/formoterol or budesonide was compared in asthma patients. This double-blind trial randomized 133 patients (mean forced expiratory volume in 1s 66% predicted) to receive 2 inhalations twice daily of budesonide/formoterol 160/4.5 microg (640/18 microg/day) or budesonide 320 microg (1280 microg/day) for 4 weeks. The study drug was adjusted in both groups according to symptoms to 2-4 inhalations daily during Weeks 5-8 and 1-4 inhalations daily during Weeks 9-20. Asthma was well controlled in both groups, with minimal levels of treatment failure (5 budesonide/formoterol vs. 2 budesonide patients; P=NS) and minimal use of reliever therapy. Clinically important improvements in health-related quality of life (HRQL) occurred in the physical functioning and emotional role functioning domains (both P<0.05) for the budesonide/formoterol group compared with budesonide. Physician and patient treatment satisfaction favored budesonide/formoterol (both P<0.05). Budesonide/formoterol patients used fewer daily inhalations of study drug (P=0.024). The median average daily inhaled corticosteroid dose during the study was 448 microg with budesonide/formoterol and 1152 microg with budesonide. Adjustable maintenance dosing with budesonide/formoterol and budesonide resulted in high levels of asthma control. Adjustable budesonide/formoterol treatment achieved greater HRQL benefits and patient satisfaction, with lower overall drug use. |
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