This is a 12-week, multicenter, randomized, double-blind, placebo-controlled, parallel-group, efficacy and safety study of ciclesonide nasal aerosol administered once daily to male and premenarchal female subjects 6 to 11 years of age with a diagnosis of PAR. This study will consist of the following periods/visits: Screening , Single-blind Placebo Run-in period, Double-blind Treatment period , Follow-up. The total duration of subject participation will be approximately 5 months.