A Randomized Clinical Trial to Study the Effects of Single Dose of Corticosteroid on Response to Nasal Allergen Challenge in Patients
Overview
- Phase
- Phase 1
- Intervention
- Placebo
- Conditions
- Allergic Rhinitis
- Sponsor
- Merck Sharp & Dohme LLC
- Enrollment
- 19
- Primary Endpoint
- Fold Change From Baseline at Hour 8 in Interleukin 5 (IL-5) Concentration
- Status
- Completed
- Last Updated
- 7 years ago
Overview
Brief Summary
This study will investigate whether changes in inflammatory mediators produced by the nose after exposure to an allergen can be used to evaluate the anti-inflammatory effects of novel drugs for the treatment of allergic asthma.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Patient is allergic to Timothy grass pollen
- •Female patients have a negative pregnancy test and agree to use birth control throughout the study
- •Male patients agree to use birth control throughout the study
- •Patient has been a nonsmoker for at least 6 months
- •Patient agrees to avoid the use of aspirin and other Non-steroidal anti-inflammatory drugs (NSAIDs) throughout study
Exclusion Criteria
- •Patient is breastfeeding
- •Patient has any respiratory disease other than mild stable asthma that does not require treatment
- •Patient consumes more than 3 alcoholic beverages per day
- •Patient consumes more than 6 caffeinated beverages per day
- •Patient has had major surgery or has donated or lost 1 unit of blood within 4 weeks of screening
- •Patient has severe allergies
Arms & Interventions
A
placebo
Intervention: Placebo
B
10 mg prednisone
Intervention: prednisone
C
25 mg prednisone
Intervention: prednisone
Outcomes
Primary Outcomes
Fold Change From Baseline at Hour 8 in Interleukin 5 (IL-5) Concentration
Time Frame: Baseline and Hour 8 post nasal allergen challenge
Comparison of the Change in Allergen-induced Interleukin 5 (IL-5) as Measured in Nasal Exudates After a Single Dose of Low or High Dose of Oral Prednisone Relative to Placebo
Secondary Outcomes
- Change From Baseline at Hour 8 in the Percent of Total Cells That Are Eosinophils(Baseline and Hour 8 post nasal allergen challenge)