Efficacy of Once-Daily Desloratadine/Pseudoephedrine for Relief of Nasal Congestion
The majority of patients with seasonal allergic rhinitis (SAR) suffer from nasal congestion. Desloratadine, a nonsedating H1-receptor antagonist, has given decongestant relief to patients with mild-to-moderate nasal congestion associated with SAR. The following study was undertaken to show that a once-daily formulation of desloratadine/pseudoephedrine would provide greater decongestant relief to patients experiencing moderate-to-severe nasal congestion compared with component monotherapy. A total of 1018 patients were assigned randomly to receive desloratadine/pseudoephedrine (5 mg/240 mg), desloratadine (5 mg), or pseudoephedrine (240 mg) daily for 15 days. Over the 15-day study period, patients receiving desloratadine/pseudoephedrine combination tablets had a significant reduction in mean A.M./P.M. reflective nasal congestion scores compared with patients receiving desloratadine or pseudoephedrine (p < 0.01); this reduction reached significance by day 2. Desloratadine/pseudoephedrine combination tablets also produced a greater reduction in A.M. instantaneous nasal congestion scores compared with component monotherapy (p < 0.01), indicating not only superior efficacy but also a full 24-hour effect. Desloratadine monotherapy reduced all mean nasal congestion scores to a similar degree as compared with pseudoephedrine monotherapy (p = NS). No unusual or unexpected adverse events were reported in any group. It was concluded that desloratadine/pseudoephedrine offers additional benefit to patients with moderate-to-severe SAR-associated nasal congestion compared with pseudoephedrine therapy alone.
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Document Type: Research Article
Publication date: 2002-09-01
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- 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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