Montelukast in Exercise-Induced Bronchospasm - 2004 (0476-275)

A Double-Blind, Randomized, Placebo-Controlled, Multicenter, 2-Period, Crossover Study to Evaluate the Effects of a Single Dose of Montelukast on Exercise-Induced Bronchospasm

The purpose of this study is to determine the effect of an approved medication being studied in support of a new approach in the prevention of exercise-induced asthma (a worsening of asthma caused by exercise, also known as exercise-induced bronchospasm), in patients who have a history of worsening asthma after exercise.

Inclusion Criteria:

• Patients with mild-to-moderate asthma

Exclusion Criteria:

• Medical history of a lung disorder (other than asthma) or a recent upper respiratory tract infection
• Patient is, other than asthma, not in good, stable health
• The Primary Investigator will evaluate whether there are other reasons why

the patient may not participate