The purpose of this study is to investigate if ONO-4053 will impact allergic rhinitis symptoms in subjects with seasonal allergic rhinitis when they are exposed to pollen administered at a fixed rate in an inhalation exposure chamber compared to the standard treatment Cetirizine 10mg under the same conditions.
The purpose of this study is to investigate if ONO-4053 relieves symptoms of allergic rhinitis in seasonal allergic rhinitis subjects exposed to pollen under controlled conditions.