A Multi-center, Randomized, Double-blind, Placebo-controlled, Parallel-group Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine 5 mg Once Daily Given for 2 Weeks in Subjects 18 yr of Age and Older With Seasonal Allergic Rhinitis
Abstract
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.
Conditions: Seasonal Allergic Rhinitis.
Primary outcome: Mean 24-hour Reflective Total 5 Symptoms Score (T5SS) Over the Total Treatment Period (14 Days).
Enrollment: 580 participants.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 580 participants or records.
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