A Randomized, Placebo Controlled Study to Determine the Efficacy and Speed of a Nasal Spray in Allergen Induced Seasonal Allergic Rhinitis
Phase 4
Completed
- Conditions
- Seasonal Allergic Rhinitis
- Interventions
- Drug: Placebo and Placebo (spray and Tablet)
- Registration Number
- NCT00561717
- Lead Sponsor
- Bayer
- Brief Summary
Finding out how fast azelastine nasal spray works in subjects with hay fever.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 70
Inclusion Criteria
- History of seasonal allergic rhinitis to ragweed pollen for last 2 consecutive seasons;
- Positive response to skin prick test to ragweed allergen at screening;
- Be willing to participate in the trial.
Exclusion Criteria
- History of hypersensitivity to azelastine;
- Females who are pregnant or lactating;
- Relative chronic sinusitis or nasal structural abnormalities causing greater than 50% obstruction;
- Asthma that requires other than occasional use of inhaled short-acting beta-2 antagonist;
- Known non-responsiveness to antihistamines;
- Alcoholism or drug abuse within 2 yrs. of screening;
- Current or regular use within 6 months of any type of tobacco product;
- Evidence of any clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic or malignancies within the last 5 years;
- History of a positive test to HIV, TB, hepatitis B or C.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Arm && Interventions
Group Intervention Description Arm 1 Azelastine and placebo - Arm 3 Cetirizine and Placebo - Arm 2 Loratadine and Placebo - Arm 4 Placebo and Placebo (spray and Tablet) -
- Primary Outcome Measures
Name Time Method Onset of action measured by change in total nasal symptom score Until "Onset of action" = until drug demonstrates and maintains a change greater than placebo compared to baseline Up to 6 hours
- Secondary Outcome Measures
Name Time Method Change from baseline for individual symptoms of allergic seasonal rhinitis; overall assessment of efficacy Effect over 6 hours
Related Research Topics
Explore scientific publications, clinical data analysis, treatment approaches, and expert-compiled information related to the mechanisms and outcomes of this trial. Click any topic for comprehensive research insights.
What are the molecular mechanisms of azelastine nasal spray in treating seasonal allergic rhinitis?
How does azelastine compare to cetirizine and loratadine in symptom relief for allergen-induced rhinitis?
Which biomarkers correlate with rapid response to azelastine in seasonal allergic rhinitis patients?
What adverse events are associated with azelastine nasal spray versus oral antihistamines in Phase 4 trials?
Are there combination therapies involving azelastine that enhance efficacy in allergic rhinitis treatment?
