Allergic Rhinitis
Conditions
Keywords
Allergic Rhinitis Nasal Allergen Challenge Inflammatory Markers
Brief summary
After a nasal allergen challenge it should be possible to measure markers of inflammation that may be useful to assess the properties of future drugs. If these markers are reproducible and impacted by the study drugs they could be useful for future drug development.
Interventions
800 mg oral
200 mcg intra-nasal
Placebo
Sponsors
Study design
Eligibility
Inclusion criteria
* Male or female subjects with seasonal allergic rhinitis (out of season). * Sensitive to ragweed skin prick test and screening nasal allergen challenge.
Exclusion criteria
* Subjects with significant concomitant diseases. * Subjects with symptoms of allergic rhinitis in 2 weeks prior to screening. * Female subjects that are pregnant or nursing. Subjects with hypersensitivity to study drugs or allergen challenge.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Nasal inflammatory markers | 8h 45 min post dose |
| Acoustic rhinometry | 8h 45 min post dose |
| Nasal symptom scores | 8h 45 min post dose |
Secondary
| Measure | Time frame |
|---|---|
| Spirometry | 8h 45 min post dose |
Countries
United States