Overview A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies Status: Completed Trial end date: 2008-04-01 Target enrollment: Participant gender: Summary The Purpose of this study is to determine if one allergy medication (0.15% azelastine hydrochloride) is more effective than Placebo alone. Phase: Phase 3 Details Lead Sponsor: Meda PharmaceuticalsTreatments: Azelastine