PK Study in 3- to 6- Month-Old Children (0476-268)(COMPLETED)

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 3 to 6 Months

The purpose of this study is to look at the preliminary safety profile of an investigational drug in children 3 to 6 months of age with bronchiolitis.

Inclusion Criteria :

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

Exclusion Criteria :

• A history of any significant illness that will pose additional risk to the patient