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Budesonide/Formoterol Pressurized Metered-Dose Inhaler versus Budesonide: A Randomized Controlled Trial in Black Patients with Asthma.

Author(s): Spector SL, Martin UJ, Uryniak T, O'Brien CD

Affiliation(s): California Allergy & Asthma Medical Group , Los Angeles, CA, USA.

Publication date & source: 2011-12-01, J Asthma., [Epub ahead of print]

Objective. Concerns exist that responses to long-acting beta(2)-adrenergic agonists in black patients may differ from the general population. The efficacy and safety of budesonide/formoterol (BUD/FM) pressurized metered-dose inhaler (pMDI) versus budesonide dry powder inhaler (BUD DPI) were evaluated in adolescent and adult black asthma patients. Methods. This 12-week, randomized, double-blind, multicenter, phase IV US study was conducted in 311 self-reported black patients aged >/=12 years with moderate to severe persistent asthma, previously receiving medium- to high-dose inhaled corticosteroid. After 2 weeks on BUD 90 mug x 2 inhalations twice daily (bid), symptomatic patients were randomized to BUD/FM 160/4.5 mug x 2 inhalations bid or BUD 180 mug x 2 inhalations bid. Results. Improvement in predose forced expiratory volume in 1 second from baseline to the treatment mean (primary variable) was greater with BUD/FM versus BUD (0.16 vs. 0.07 L; p = .008); this effect was also observed at weeks 2, 6, and end of treatment (p </= .032). Greater improvements (p < .001) in peak expiratory flow with BUD/FM versus BUD were seen at first measurement and maintained during 12 weeks (morning: 25.34 vs. 7.53 L/minute, respectively; evening: 21.61 vs. 7.67 L/minute, respectively); greater improvements in daily asthma symptom score and rescue medication use were also observed (p </= .039). Both treatments were well tolerated, with similar safety profiles. Conclusions. In this population of black asthma patients, BUD/FM pMDI resulted in greater improvements in pulmonary function and asthma control versus BUD DPI, with similar safety profiles.

Page last updated: 2011-12-09

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