Conditions: Seasonal Allergic Rhinitis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 829
Healthy volunteers: no

Brief summary:
A study of the ability of montelukast to improve signs and symptoms of seasonal allergic rhinitis compared with placebo. Loratadine is included in the study as an active control.

Detailed description:

Arms:
arm 1: montelukast arm 2: loratadine arm 3: placebo

Interventions: intervention 1: montelukast sodium intervention 2: Comparator: loratadine intervention 3: Comparator: placebo
Intervention descriptions: intervention 1: montelukast 10 mg tablet, taken orally once daily at bed time for 2 weeks intervention 2: loratadine 10 mg tablet, taken orally once daily at bed time for 2 weeks intervention 3: placebo tablet, taken orally once daily at bed time for 2 weeks

Protocol document: