JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL

Patient-reported outcomes in adults with moderate to severe asthma after use of budesonide and formoterol administered via 1 pressurized metered-dose inhaler

Paul Chervinsky, James Baker, George Bensch, Bhash Parasuraman, Robert Boggs, Paula Martin, Liza O'Dowd
Annals of Allergy, Asthma & Immunology 2008, 101 (5): 463-73
19055199

BACKGROUND: Patient-reported outcomes (PROs) are important for evaluating asthma therapy.

OBJECTIVE: To evaluate PROs in adults with moderate to severe persistent asthma receiving budesonide and formoterol administered via 1 pressurized metered-dose inhaler (pMDI).

METHODS: This 12-week, double-blind, double-dummy, placebo-controlled, multicenter study randomized 596 patients 12 years or older to budesonide/formoterol pMDI 160/4.5 microg x 2 inhalations (320/9 microg); budesonide pMDI 160 microg x 2 inhalations (320 microg) + formoterol dry powder inhaler (DPI) 4.5 microg x 2 inhalations (9 microg); budesonide pMDI 160 microg x 2 inhalations (320 microg); formoterol DPI 4.5 microg x 2 inhalations (9 microg); or placebo, each twice daily, after 2 weeks of budesonide pMDI 80 microg x 2 inhalations (160 microg) twice daily. PROs were assessed in 553 patients 18 years or older using the standardized Asthma Quality of Life Questionnaire (AQLQ[S]), Medical Outcomes Survey (MOS) Sleep Scale, Patient Satisfaction With Asthma Medication (PSAM) questionnaire, diary data, and global assessments.

RESULTS: Patients receiving budesonide/formoterol reported significantly greater improvements from baseline on the AQLQ(S) and asthma control variables (based on symptoms and rescue medication use; all P < .001) vs placebo. Clinically important improvements (increase of > or = 0.5 points) from baseline to end of treatment in AQLQ(S) overall scores were achieved by 43.6% of patients receiving budesonide/formoterol vs 22.6% of patients receiving placebo (P = .001). The MOS Sleep Scale scores generally showed no differences among treatment groups. Patients receiving budesonide/formoterol had significantly greater PSAM questionnaire scores and better outcomes on physician-patient global assessments at end of treatment vs placebo (all P < or = .001).

CONCLUSION: Significantly greater improvements in health-related quality of life and asthma control and greater treatment satisfaction were observed with budesonide/formoterol pMDI vs placebo.

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