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Wednesday 01 August 2001

Salmeterol powder provides significantly better benefit than montelukast in asthmatic patients receiving concomitant inhaled corticosteroid therapy.

By: Fish JE, Israel E, Murray JJ, Emmett A, Boone R, Yancey SW, Rickard KA.

Chest 2001 Aug;120(2):423-30

STUDY OBJECTIVES: Comparison of inhaled salmeterol powder vs oral montelukast treatment in patients with persistent asthma who remained symptomatic while receiving inhaled corticosteroids. DESIGN: Randomized, double-blind, double-dummy, parallel-group, multicenter trials of 12-week duration. SETTING: Outpatients in private and university-affiliated clinics. PATIENTS: Male and female patients > or = 15 years of age with a diagnosis of asthma (baseline FEV(1) of 50 to 80% of predicted) and symptomatic despite receiving inhaled corticosteroids. INTERVENTIONS: Inhaled salmeterol xinafoate powder, 50 microg bid, or oral montelukast, 10 mg qd. Measurements and results: Treatment with salmeterol powder resulted in significantly greater improvements from baseline compared with montelukast for most efficacy measurements, including morning peak expiratory flow (35.0 L/min vs 21.7 L/min; p < 0.001), percentage of symptom-free days (24% vs 16%; p < 0.001), and the percentage of rescue-free days (27% vs 20%; p = 0.002). Total supplemental albuterol use was decreased significantly more in the salmeterol group compared with the montelukast group (- 1.90 puffs per day vs - 1.66 puffs per day; p = 0.004) and nighttime awakenings per week decreased significantly more with salmeterol than with montelukast (- 1.42 vs - 1.32; p = 0.015). Patients treated with inhaled salmeterol were significantly more satisfied with their treatment regimen and how well, how fast, and how long it worked than were patients who were treated with oral montelukast. The safety profiles for the two treatments were similar. CONCLUSION: In patients with persistent asthma who remain symptomatic while receiving inhaled corticosteroids, adding inhaled salmeterol powder provided significantly greater improvement in lung function and asthma symptoms and was preferred by patients over oral montelukast.

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