Compare the Efficacy of Levocetirizine and Montelukast to Placebo in Reducing Seasonal Allergic Rhinitis (SAR) Symptoms in Ragweed Sensitive Subjects
Conditions
- Rhinitis, Allergic, Seasonal
Interventions
- DRUG: Placebo
- DRUG: Montelukast
- DRUG: Levocetirizine
Sponsor
UCB S.A. - Pharma Sector