Hos aspirinfølsomme astmapatienter, der samtidig fik inhalations - og/ eller orale kortikosteroider, resulterede behandling med montelukast, sammenlignet med placebo, i signifikant forbedring i astmakontrollen (FEV1 8, 55% versus - 1, 74% ændring fra baseline og fald i total brug af β- agonist - 27, 78% versus 2, 09% ændring fra baseline).
In aspirin-sensitive asthmatic patients receiving concomitant inhaled and/ or oral corticosteroids, treatment with montelukast, compared with placebo, resulted in significant improvement in asthma control (FEV1 8.55% vs -1.74% change from baseline and decrease in total β -agonist use -27.78% vs 2.09% change from baseline).