drugset / Trial / NCT00291642
A Study to Compare the Efficacy of Levocetirizine to Placebo in Reducing Symptoms of Seasonal Allergic Rhinitis (SAR) in Sensitive Subjects Exposed to Ragweed Pollen
RandomizedParallel-groupQuadruple-blindTreatment
Summary
The purpose of the study is to assess the efficacy comparability of cetirizine and levocetirizine, by comparing the effects of single intake of the two drugs to placebo in reducing symptoms of seasonal allergic rhinitis (SAR) in ragweed sensitive adult subjects exposed to ragweed pollen in an Environmental Exposure Unit.
Timeline
- Start
- 2006-01-01
- Primary completion
- 2006-04-01
- Completion
- 2006-04-01
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Cetirizine | Other / unclassified | 5 mg | Oral |
| Subject | Cetirizine | Other / unclassified | 10 mg | Oral |
| Subject | Levocetirizine | Unknown | 2.5 mg | Oral |
| Subject | Levocetirizine | Unknown | 5 mg | Oral |