POPULAR (Preference Of Patient Using Levocetirizine in Allergic Rhinitis)

A Monocenter, Double-blind, Randomized Trial, With Two Parallel Groups Comparing the Clinical Efficacy of Levocetirizine 5 mg Capsules and Desloratadine 5 mg Capsules Taken Once a Day Over 3 Weeks of Treatment in Adult Subjects Suffering From Seasonal Allergic Rhinitis (SAR) Due to Grass Pollen

Comparative study on clinical efficacy and safety of levocetirizine and desloratadine as measured by the subject's satisfaction/dissatisfaction after one week of treatment

Inclusion Criteria:

• Clinical history of SAR known and treated since 2 years.
• Positive skin prick test (wheal > 3 mm larger than the diluent control) or RAST (≥3.5 IU/ml) to grass pollen (less than 1 year).
• Minimum mean T5SS of 8 during the baseline period.

Exclusion Criteria:

• Have an associated asthma requiring a daily treatment other than β2 short acting agonist prn
• Have atopic dermatitis or urticaria requiring antihistamine treatment or the administration of oral or topical corticosteroids and any other disease requiring the administration of oral or topical corticosteroids