Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Double-blind, Parallel, Active Comparator Controlled, Randomized Trial; Comparison of the Efficacy and Safety in Children With Perennial Allergic Rhinitis of Cetirizine
Brief Summary: Ketotifen is an established antihistamine drug, widely used in pediatric clinical practice in Japan. The objective of the study was to compare the efficacy and safety of cetirizine hydrochloride versus ketotifen dry syrup on children 7 years and older with perennial allergic rhinitis.