DSP-3025 Study of Healthy Male Volunteers and Seasonal Allergic Rhinitis Male Patients Out of Season

Inclusion Criteria: * Body mass index (BMI) between 18.5 and 25 kg/ m2 and a weight between 50 and 80 kg * No clinically relevant abnormal findings * History of cedar and/or Japanese cypress pollen induced seasonal allergic rhinitis for at least the previous 2 years (only Allergic rhinitis) Exclusion Criteria: * Acute illness which requires medical intervention * Definite or suspected personal history of adverse drug reactions or drug hypersensitivity * Clinical relevant disease or disorder (past or present) * A history of asthma