Overview Safety and Efficacy of Olopatadine 0.6% and Azelastine 137 Mcg in Vasomotor Rhinitis Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary The purpose of this study is to examine safety and efficacy of Patanase and Astelin in treating the symptoms of non-allergic vasomotor rhinitis (VMR). Phase: Phase 4 Details Lead Sponsor: Alcon ResearchTreatments: AzelastineOlopatadine Hydrochloride