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
Rhinitis, Allergic, Seasonal
About this trial
This is an interventional treatment trial for Rhinitis focused on measuring Levocetirizine, Xyzal, Rhinitis, Allergic, Seasonal, Ragweed
Eligibility Criteria
Inclusion Criteria: Female subject of non-childbearing potential or of childbearing potential agreeing not to become pregnant during the study. Have had seasonal allergic rhinitis due to Ragweed for the last 2 consecutive years Subjects who obtain a minimum sum considering SAR related symptoms (mean value) as defined by protocol Exclusion Criteria: Any clinically significant condition that might interfere with the treatment evaluation, both for efficacy and safety Have used forbidden concomitant medications as defined by the protocol
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
Placebo (PBO)
Levocetirizine (LCTZ) 2.5 mg
Levocetirizine (LCTZ) 5 mg
Cetirizine (CTZ) 5 mg
Cetirizine (CTZ) 10 mg
A single dose of placebo was administered orally on Day 1.
A single dose of 2.5 mg of LCTZ oral drops was administered orally on Day 1.
A single dose of 5 mg of LCTZ oral tablet was administered orally on Day 1.
A single dose of 5 mg of CTZ oral drops was administered orally on Day 1.
A single dose of 10 mg of CTZ oral tablet was administered orally on Day 1.