Intranasal CO2 for Allergic Rhinitis
Public ClinicalTrials.gov record NCT00618410. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to better understand the way in which CO2 (carbon dioxide) affects the symptoms of allergic rhinitis or hayfever. Our intent is to determine if CO2 has an effect on nasal challenge with antigen as a predictor of whether it will have a beneficial effect on the treatment of seasonal allergic rhinitis.
Study identification
- NCT ID
- NCT00618410
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 13 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 45 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
- Jan 31, 2008
- Primary completion
- Mar 31, 2008
- Completion
- Aug 31, 2008
- Last update posted
- Jan 26, 2014
2008
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Chicago | Chicago | Illinois | 60637 | — |
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 NCT00618410, 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 Jan 26, 2014 · Synced Sep 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00618410 live on ClinicalTrials.gov.