The safety and clinical benefit of budesonide/formoterol pressurized metered-dose inhaler versus budesonide alone in children
Few studies have evaluated inhaled corticosteroid (ICS)/long-acting beta2-adrenergic agonist combination therapy in asthmatic children. This study was designed to evaluate the safety (primary) and clinical benefits (secondary) of budesonide/formoterol pressurized metered-dose inhaler (pMDI) versus budesonide dry powder inhaler (DPI) in children with persistent asthma. This was a 26-week, multicenter, randomized, open-label U.S. study of 187 children 6‐11 years of age previously receiving ICS. After 1 week of usual ICS therapy, subjects received twice-daily budesonide/formoterol pMDI 160/4.5 micrograms × 2 inhalations (320/9 micrograms; n = 124) or budesonide DPI 200 micrograms × 2 inhalations (400 micrograms [320 micrograms delivered ex-mouthpiece]; n = 63). Budesonide/formoterol and budesonide were well tolerated with a similar incidence of adverse events (AEs) (84.6% and 85.7%, respectively), most of mild or moderate intensity. Treatment-related AE incidence was low (5.4%) and similar across groups (budesonide/formoterol, 4.9%; budesonide, 6.3%). No clinically important treatment differences were observed for 12-lead electrocardiograms, hematology, serum glucose and potassium, and 24-hour urinary cortisol. Compared with budesonide, budesonide/formoterol decreased health care use (urgent care visits and interference with daily activities [child] or work [caregiver]; p ≤ 0.012) and improved health-related quality of life (Pediatric Asthma Quality of Life Questionnaire [standardized] and Pediatric Asthma Caregiver Quality of Life Questionnaire overall scores; p ≤ 0.006) and pulmonary function (predose forced expiratory volume in 1 second and forced expiratory flow during the middle half of exhalation; p ≤ 0.007). In this 26-week study of asthmatic children (6‐11 years), safety profiles were similar and clinical benefits were greater with budesonide/formoterol than with budesonide.
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Document Type: Research Article
Affiliations: Allergy and Asthma Associates of Southern California, 27800 Medical Center Road, Number 244, Mission Viejo, CA 29691-6410, USA. [email protected]
Publication date: January 1, 2010
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