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Budesonide Turbuhaler Delivered Once Daily Improves Health-Related Quality of Life in Adult Patients with Non-Steroid-Dependent Asthma

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Abstract:

Budesonide inhalation powder via the dry-powder multidose inhaler Turbuhaler (budesonide Turbuhaler) has been shown to improve lung function and symptoms in adults with asthma. In this double-blind, placebo-controlled, multicenter trial, we evaluated the effects of once-daily budesonide Turbuhaler on health-related quality of life (HRQL) in 177 adults (aged 18-70 years) with non-steroid-dependent asthma. Patients were randomized to receive budesonide Turbuhaler (400 g) once daily or placebo for 12 weeks. HRQL was assessed at baseline and weeks 4 and 12 using the Asthma Quality of Life Questionnaire (AQLQ). In addition to assessment based on the four AQLQ domains (activity limitations, asthma symptoms, emotional function, and response to exposure to environmental stimuli), AQLQ overall scores were analyzed for both treatment groups. Compared with placebo, patients using budesonide Turbuhaler once daily had statistically significant (p < 0.001) improvements from baseline to weeks 4 and 12 in AQLQ overall scores. Statistically significant improvements from baseline to weeks 4 and 12 in all four individual domains also were observed in the budesonide Turbuhaler group compared with placebo. Differences between the two treatment groups in mean changes from baseline in AQLQ overall, asthma symptoms, and emotional function reached the level required for patients to achieve a minimal important difference of change ( ≥ 0.5 U) at week 12. A retrospective analysis of the data showed that ~ 70% of patients treated with budesonide Turbuhaler experienced a minimal important difference of change in AQLQ overall scores. Overall, improvements in AQLQ correlated significantly (p ≤ 0.04) with improvements in forced expiratory volume in 1 second, morning peak expiratory flow measurements, asthma symptoms, and breakthrough bronchodilator use at the study end. Thus, patients with corticosteroid-na├»ve asthma can experience improved HRQL when using budesonide Turbuhaler.

Document Type: Original Article

Publication date: March 1, 2003

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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