Optimal dose selection of fluticasone furoate nasal spray for the treatment of seasonal allergic rhinitis in adults and adolescents
Abstract:Efficacy and safety of fluticasone furoate nasal spray, administered using a unique side-actuated device, were evaluated in patients ≥12 years of age with seasonal allergic rhinitis to determine the optimal dose. A randomized, double-blind, parallel-group, placebo-controlled, dose-ranging study was performed on 641 patients who received placebo (n = 128) or fluticasone furoate, 55 g (n = 127), 110 g (n = 127), 220 g (n = 129), or 440 g (n = 130), once daily for 2 weeks. Fluticasone furoate was significantly more effective than placebo for mean changes from baseline over the 2-week treatment period in daily reflective total nasal symptom score (primary end point; p < 0.001 each dose vs. placebo), morning predose instantaneous total nasal symptom score (p < 0.001 each dose versus placebo), daily reflective total ocular symptom score (p ≤ 0.013 each dose versus placebo), and morning predose instantaneous total ocular symptom score (p ≤ 0.019 for three highest doses versus placebo). The onset of action for fluticasone furoate nasal spray versus placebo was observed 8 hours after the first dose of study medication in the 110 and 440 g treatment groups (p ≤ 0.032). The incidence of adverse events, results of clinical laboratory tests, and changes in 24-hour urinary cortisol values were similar between active treatment groups and placebo. The preliminary profile of fluticasone furoate is that of a rapidly effective therapy that confers 24-hour efficacy for both nasal and ocular symptoms with once-daily dosing. The 110-g dose was chosen for phase III development because it achieved statistically significant and clinically meaningful results for all efficacy end points and provided the optimal risk–benefit ratio.
Document Type: Research Article
Affiliations: 1: Southwest Allergy and Asthma Research, San Antonio, Texas 2: Sylvana Research Associates, San Antonio, Texas 3: Central Texas Health Research, New Braunfels, Texas 4: Diagnostics Research Group, San Antonio Texas 5: GlaxoSmithKline, Research Triangle Park, North Carolina
Publication date: 2007-03-01
- Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.
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