A Study to Test a New Decongestant in Patients With Allergic Rhinitis Following a Nasal Allergen Challenge
Public ClinicalTrials.gov record NCT00562120. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double Blind, Double Dummy, Placebo Controlled, Four Way Crossover Study To Determine The Effects Of An H3 Receptor Antagonist (PF-03654746) On Congestion Following A Nasal Allergen Challenge In Subjects With Seasonal Allergic Rhinitis.
Study identification
- NCT ID
- NCT00562120
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 21 participants
Conditions and interventions
Conditions
Interventions
- Placebo Drug
- Allegra Drug
- Allegra-D Drug
- PF-03654746 Drug
Drug
Eligibility (public fields only)
- Age range
- 19 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 30, 2007
- Primary completion
- Jul 31, 2008
- Completion
- Jul 31, 2008
- Last update posted
- Apr 15, 2014
2007 – 2008
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Omaha | Nebraska | 68131 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00562120, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 15, 2014 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00562120 live on ClinicalTrials.gov.