Safety and Pk Study in 1- to 3- Month-Old Children With Bronchiolitis (0476-297)

A Randomized, 3-Period, Multiple-Dose, Multicenter Study to Evaluate the Safety, Tolerability, and Plasma Concentration Profile of Montelukast Administered Once Daily as Oral Granules in Children Aged 1 to 3 Months

The purpose of this study is to look at the preliminary safety profile of an investigational drug in children 1 to < 3 months of age with bronchiolitis.

Inclusion Criteria :

• Active bronchiolitis and a history of bronchiolitis and asthma-like symptoms.

Exclusion Criteria :

• Anemia or history of any significant illness that will pose additional risk to the patient.