Conditions: Seasonal Allergic Rhinitis
Keywords: levocetirizine Xyzal Seasonal Allergic Rhinitis total symptom score quality of life
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 580
Healthy volunteers: no

Brief summary:
The study objective is to investigate the efficacy of levocetirizine in reducing symptoms associated with seasonal allergic rhinitis and in improving rhinitis-related Quality of Life.

Detailed description:

Arms:
arm 1: Matched placebo tablets arm 2: 5 mg tablet

Interventions: intervention 1: levocetirizine dihydrochloride intervention 2: placebo
Intervention descriptions: intervention 1: 5 mg daily (oral tablet) for 14 days intervention 2: 0 mg daily (matching oral tablet) for 14 days

Protocol document: