Conditions: Seasonal Allergic Rhinitis
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 1214
Healthy volunteers: no

Brief summary:
This study will assess the treatment effect of montelukast versus placebo over a 2 week period in patients with seasonal allergic rhinitis. Loratadine is included in the study as an active comparator.

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 at bedtime for 2 weeks. intervention 2: Loratadine 10-mg tablet orally once daily at bedtime for 2 weeks. intervention 3: placebo tablet orally once daily at bedtime for 2 weeks

Protocol document: