Overview A Study Comparing Montelukast With Placebo in Children With Seasonal Allergic Rhinitis (0476-219)(COMPLETED) Status: Completed Trial end date: 2001-07-01 Target enrollment: Participant gender: Summary This study will evaluate the effect of montelukast compared to placebo in children during the spring allergic rhinitis season. Phase: Phase 3 Details Lead Sponsor: Merck Sharp & Dohme Corp.Treatments: Montelukast