['seasonal allergic rhinitis']
['sparc placebo', 'sparc1310 i', 'sparc1310 ii', 'sparc1310 iii']

        Inclusion Criteria:

          -  Male or female participants aged 18 to 65 years with history of seasonal allergic
             rhinitis

          -  Participants able to understand and willing to sign the informed consent form

        Exclusion Criteria:

          -  Anotomical deviations of the nasal septum that significantly impair ventilation or
             airflow

          -  Pregnant or nursing women

          -  Positive serology for infectious disease (Hepatitis B or C, HIV) at screening

          -  Parallel participation in another current investigational study, participation in a
             study within less than 30 days prior to study entry, or previous participation in this
             same study.
      