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  • Title: Once-daily fexofenadine HCl improves quality of life and reduces work and activity impairment in patients with seasonal allergic rhinitis.
    Author: Meltzer EO, Casale TB, Nathan RA, Thompson AK.
    Journal: Ann Allergy Asthma Immunol; 1999 Oct; 83(4):311-7. PubMed ID: 10541423.
    Abstract:
    BACKGROUND: Fexofenadine HCl (Allegra, Telfast) is approved in the US for twice-daily dosing for treatment of seasonal allergic rhinitis. OBJECTIVE: To determine the effect of once-daily fexofenadine HCl on patient-reported quality of life and impairment at work, in the classroom, and in daily activities due to seasonal allergic rhinitis symptoms. METHODS: This placebo-controlled, double-blind, randomized study included patients aged 12 to 65 years with moderate-to-severe seasonal allergic rhinitis symptoms. Outcomes were assessed using self-administered questionnaires at baseline, week 1, and week 2. Outcome measures included change from baseline in: overall Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ) score; individual RQLQ domain scores; work, classroom, and daily activity impairment measured using the Work Productivity and Activity Impairment (WPAI) instrument; and ratings in 3 generic health domains from the SF-36 Health Survey. RESULTS: Intent to treat efficacy analyses included 845 patients from 40 sites. Patients receiving either 120 or 180 mg QD fexofenadine HCl reported significantly greater improvement (P < or = .006) in overall RQLQ score than patients receiving placebo. Similarly, both fexofenadine treatment groups reported significantly greater reductions in overall work impairment and daily activity impairment compared with the placebo group (P < or = .004). There was a trend for improvement in classroom impairment with fexofenadine treatment, although differences from placebo were not statistically significant. Generic health measures demonstrated fexofenadine HCl treatment had a positive effect on general health. CONCLUSION: Once-daily fexofenadine HCl, 120 or 180 mg, significantly improved patient-reported quality of life and reduced performance impairment in work and daily activities due to seasonal allergic rhinitis symptoms compared with placebo.
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