The purpose of the study is to assess the efficacy and safety of an investigational nasal aerosol compared with placebo nasal aerosol in the treatment of seasonal allergic rhinitis.
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Change From Baseline in Average Subject-Reported AM and PM Reflective Total Nasal Symptom Score (rTNSS) Over the Two-week Treatment Period
Timeframe: Baseline (Days -3 to 0), and Days 1-15