Background: Mometasone furoate nasal spray (MFNS, NASONEX[R]), is a new synthetic corticosteroid with considerable efficacy in the treatment of seasonal and perennial rhinitis and less than 0.1% systemic absorption. This study was designed to evaluate the time of onset of action of MFNS. The subjects were evaluated over the course of 2 weeks during the spring allergy season. Methods: The effects of MFNS 200 μg given once daily for 2 weeks were evaluated in a randomized, multicenter, double-blind, placebo-controlled study in 201 patients with seasonal allergic rhinitis. Clinically significant onset of action was assessed prospectively by special patient diary cards kept during the first 3 days of treatment. Results: By 12 h after initial dosage (the earliest evaluation), 28% of patients in the MFNS group experienced clinically significant relief, compared with 13% of those given placebo (P=0.01). Median time to at least moderate symptom relief in patients who received MFNS was 35.9 h, compared with more than 72 h in patients given placebo (P<0.01). By 72 h, 64% of the patients receiving MFNS experienced at least moderate relief, compared with 40% of those treated with placebo (P<0.01). Both patient and physician ratings of symptom severity, response to treatment, and overall condition of rhinitis indicated significant (P<0.01) superiority of MFNS over placebo. MFNS was well tolerated, with adverse events comparable to placebo. Conclusions: MFNS provided rapid onset of clinically significant symptom relief in patients with seasonal allergic rhinitis.
CITATION STYLE
Berkowitz, R. B., Bernstein, D. I., Laforce, C., Pedinoff, A. J., Rooklin, A. R., Damaraju, C. R. V., … Nolop, K. B. (1999). Onset of action of mometasone furoate nasal spray (NASONEX®) in seasonal allergic rhinitis. Allergy: European Journal of Allergy and Clinical Immunology, 54(1), 64–69. https://doi.org/10.1034/j.1398-9995.1999.00713.x
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