Abstract
OBJECTIVES: A fixed combination of long-acting beta(2)-agonists (LABA) plus inhaled corticosteroids (ICS) has never been proven to reduce asthma exacerbations vs ICS alone in children. This 12-month, double-blind, randomized study in 341 children (age range, 4 to 11 years) with asthma uncontrolled on ICS investigated whether a novel regimen using budesonide/formoterol for maintenance and reliever therapy (Symbicort maintenance and relief therapy [SMART]) [Symbicort; AstraZeneca R&D, Lund, Sweden] could reduce exacerbations.
METHODS: Patients received SMART (budesonide/formoterol 80/4.5 microg qd maintenance plus additional inhalations for symptom relief), budesonide/formoterol 80/4.5 microg qd for maintenance (fixed combination), or higher-dose budesonide 320 microg qd (fixed-dose budesonide). Blinded as-needed medication (terbutaline 0.4 microg) was provided in both fixed-dose groups.
RESULTS: SMART prolonged the time to first exacerbation vs fixed-dose budesonide (p = 0.02) and fixed-dose combination (p < 0.001). Rates of exacerbation requiring medical intervention were reduced by 70 to 79% with SMART vs fixed-dose budesonide and fixed-dose combination (0.08/patient vs 0.28/patient and 0.40/patient, respectively; both p < 0.001). Mild exacerbation days and awakenings were significantly lower with SMART; yearly growth improved by 1.0 cm vs fixed-dose budesonide (p < 0.01).
CONCLUSION: The SMART regimen using budesonide/formoterol for both maintenance and as-needed symptom relief reduces the exacerbation rate compared with both fixed-dose combination and higher fixed-dose ICS alone in children with asthma.
| Original language | English |
|---|---|
| Journal | Chest |
| Volume | 130 |
| Issue number | 6 |
| Pages (from-to) | 1733-43 |
| Number of pages | 11 |
| ISSN | 0012-3692 |
| DOIs | |
| Publication status | Published - Dec 2006 |
Keywords
- Adrenal Cortex Hormones
- Adrenergic beta-Agonists
- Anti-Asthmatic Agents
- Asthma
- Budesonide
- Child
- Child, Preschool
- Delayed-Action Preparations
- Dose-Response Relationship, Drug
- Double-Blind Method
- Drug Administration Schedule
- Drug Combinations
- Drug Therapy, Combination
- Ethanolamines
- Female
- Forced Expiratory Volume
- Glucocorticoids
- Humans
- Male
- Prospective Studies
- Terbutaline
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