Overview The Effect Of PF-03654764 +/- Allegra On Symptoms Of Allergic Rhinitis Status: Completed Trial end date: 2010-05-01 Target enrollment: Participant gender: Summary PF-03654764 should reduce the symptoms of allergic rhinitis. In this study patients will be exposed to pollen and their symptoms observed. Phase: Phase 2 Details Lead Sponsor: PfizerTreatments: FexofenadineTerfenadine