Compare the Efficacy of Levocetirizine to Montelukast in Reducing Symptoms of SAR in Sensitive Subjects Exposed to Ragweed Pollen
To compare the clinical efficacy of levocetirizine 5 mg and montelukast 10 mg, administered once daily during two consecutive days, on symptoms of seasonal allergic rhinitis occurring in subjects exposed to ragweed pollen in an environmental exposure unit.
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Primary Purpose: Treatment
|Official Title:||Double-blind, 3 Parallel Randomized Groups, Therapeutic Confirmatory. Clinical Trial to Compare the Efficacy of Levocetirizine 5 mg and Montelukast 10 mg to Placebo in Reducing SAR Symptoms in Ragweed Sensitive Subjects in an EEC.|
- Compare efficacy of Levocetirizine 5 mg to montelukast 10 mg as measured by the mean change from baseline of major symptoms related to SAR in ragweed sensitive subjects.
- Reduction in other SAR symptoms at different time points; Safety .
|Study Start Date:||July 2006|
|Study Completion Date:||October 2006|
|Primary Completion Date:||October 2006 (Final data collection date for primary outcome measure)|