Two Investigational Drugs in the Prevention of Airway Constriction Brought on by Exercise in Participants With Asthma (0476-911)

A Multicenter, Double-Blind, Randomized, Crossover Design Study to Evaluate the Effect of Montelukast Vs. Salmeterol on the Inhibition of Exercise-Induced Bronchoconstriction in Asthmatic Patients Aged 6-14 Years

The purpose of this study is to determine the effect of four weeks of treatment with two investigational drugs (oral versus inhaled administration) plus an inhaled medication in the treatment of airway constriction brought on by exercise in participants with asthma.

Inclusion Criteria:

• 6-14 year old children with a history of asthma for at least 12 months
• must demonstrate airway constriction brought on by exercise

Exclusion Criteria:

• is taking any medications that are not allowed in the study