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Establishing a model of seasonal allergic rhinitis and demonstrating dose-response to a topical glucocorticosteroid

In English

Författare

Summary, in English

Background: Symptoms of seasonal allergic rhinitis may vary greatly. Hence, for research purposes, there is a need for disease-like models of allergic rhinitis. In a preliminary study, involving 7 days' challenge with allergen, promising symptom consistency was obtained and dose-response to a glucocorticosteroid could, in part, be demonstrated. Objective: To establish this model of seasonal allergic rhinitis and test the hypothesis that mometasone furoate is more potent than budesonide as an antirhinitis drug. Methods: Thirty-eight patients with seasonal allergic rhinitis received treatment with spray-formulations of placebo, budesonide 64 kg, budesonide 256 mug, and mometasone furoate 200 mug in a double-blind, crossover design. After 3 days' treatment, individualized nasal allergen-challenges were administered daily for 7 days while the treatment continued. Nasal symptoms and peak inspiratory flow (PIF) were recorded. Results: During the last 3 days of allergen challenge without active treatment, consistent around-the-clock symptoms were recorded and recordings during these days were used in the analysis. With few exceptions the active treatments reduced nasal symptoms and improved nasal PIF (P values <0.001 to 0.05). Budesonide caused dose-dependent improvements in evening symptoms, morning nasal PIF, and nasal PIF recorded 10 minutes after allergen-challenge (P values <0.05). Budesonide 256 mug produced greater improvement than mometasone furoate 200 mug for nasal PIF 10 minutes after allergen-challenge (P < 0.05). Conclusion: The present allergen challenge method, producing consistent symptoms and nasal PIF data, emerges as a model of seasonal allergic rhinitis well suited for exploring potency and efficacy of drug intervention. The present data do not support the view that mometasone furoate is a more potent antirhinitis drug than budesonide.

Publiceringsår

2002

Språk

Engelska

Sidor

159-165

Publikation/Tidskrift/Serie

Annals of Allergy, Asthma & Immunology

Volym

89

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Medicinal Chemistry
  • Pharmacology and Toxicology
  • Otorhinolaryngology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1081-1206