Evaluation of the Efficacy and Safety of Levocetirizine During 8 Weeks Preceding and Following the Anticipated Onset of the Grass Pollen Season in Subjects Suffering From Seasonal Allergic Rhinitis Associated With Pollen-induced Asthma
Abstract
Efficacy and Safety of Levocetirizine 8 Weeks Prior and After the Onset of the Grass Pollen Season in Subjects With SAR
Conditions: Rhinitis, Allergic, Seasonal.
Primary outcome: T4SS (sum of the scores of the severity of sneezing, rhinorrhea, nasal pruritus and ocular pruritus).
Enrollment: 459 participants.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 459 participants or records.
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