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  • Title: Onset of symptomatic effect of mometasone furoate nasal spray in the treatment of nasal polyposis.
    Author: Small CB, Stryszak P, Danzig M, Damiano A.
    Journal: J Allergy Clin Immunol; 2008 Apr; 121(4):928-32. PubMed ID: 18234321.
    Abstract:
    BACKGROUND: The efficacy of the intranasal corticosteroid mometasone furoate nasal spray (MFNS) for treatment of nasal polyposis was demonstrated in 2 large clinical trials. OBJECTIVE: To evaluate the onset of MFNS symptomatic effect, data from the 2 trials were pooled and analyzed to determine the first day subjects experienced significant symptom relief. METHODS: Subjects with nasal polyposis randomized to MFNS 200 microg twice daily or placebo scored symptoms on a 3-point scale (0 = none; 3 = severe) and measured peak nasal inspiratory flow immediately before the morning dose. Onset of symptomatic effect was defined as the first day a statistically significant (P < .05) lasting response was observed for MFNS compared with placebo. RESULTS: A total of 447 subjects with bilateral nasal polyps and clinically significant nasal congestion/obstruction were analyzed. Compared with placebo, MFNS 200 microg twice daily demonstrated statistically significant (P < .05) relief of anterior rhinorrhea by day 2 (-10.9% vs +5.7%), nasal congestion by day 3 (-15.1% vs -7.6%), postnasal drip by day 5 (+1.1% vs +4.6%), and sense of smell by day 13 (-9.6% vs -5.6%). Significant improvement in peak nasal inspiratory flow was seen by day 2 (increase of 6.22 L/min vs 1.48 L/min for placebo; P = .03). CONCLUSION: Mometasone furoate nasal spray 200 microg twice daily rapidly improves the symptoms of nasal polyposis, leading to lasting relief of most major symptoms within 2 (24 hours after the first dose) to 5 days of initiating therapy.
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