The Clinical Effects of Montelukast in Patients With Perennial Allergic Rhinitis (0476-265)

A Multicenter, Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study Investigating the Clinical Effects of Montelukast in Patients With Perennial Allergic Rhinitis

The purpose of this study is to determine the effect of an approved medication on the symptoms of perennial allergic rhinitis (an inflammation of the mucous membrane of the nose similar to that found in hay fever except that symptoms persist throughout the year), in patients who have a history of perennial allergic rhinitis.

Inclusion Criteria:

• Non-smoker with a 2-year documented history of perennial allergic (symptoms that persist throughout the year) rhinitis symptoms and positive allergy testing

Exclusion Criteria:

• Medical history of a lung disorder (other than asthma) or a recent upper respiratory tract infection