Conditions: Seasonal Allergic Rhinitis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 1079
Healthy volunteers: no

Brief summary:
This is a study to evaluate the treatment effect of montelukast 10 mg taken in the morning, versus placebo, in patients with seasonal allergic rhinitis. 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 orally once daily in the morning for 4 weeks intervention 2: loratadine 10 mg tablet orally once daily in the morning for 4 weeks intervention 3: placebo tablet orally once daily in the morning for 4 weeks

Protocol document: