Lead Sponsor

UCB Pharma

Age

18 - 65 years

Sex

ALL

Healthy Volunteers

No

•Subjects with a history of SAR symptoms
•A positive skin prick test at least one grass allergen
•Moderate - severe SAR symptoms at baseline
•Women of childbearing potential must use a medically acceptable form of contraception
•80% compliance on run in study medication and 80% compliance on completing the diary

•The presence of any clinically significant comorbid disease which may interfere with the study assessments
•The presence of renal disease
•Pregnant or breastfeeding
•Subject is currently participating in another clinical trial
•Known hypersensitivity to piperazines or any of the excipients
•Intake of medications prohibited before the start of the trial
•Subjects who started or changed the dose of immunotherapy
•Rhinitis medicamentosa
•Subjects with a recent history (within the last 2 years) of drug or alcohol abuse.

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