CDA nasal spray test for chronic non-allergic rhinitis
Part of Ear, nose & throat, Immune system & allergy clinical trials.
This study tests a nasal spray (CDA) to see if it can help diagnose irritant-induced rhinitis, a type of chronic stuffy/runny nose not caused by allergies. It compares people with this condition to healthy volunteers.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 65 years old.
- You have had rhinitis symptoms for more than 2 years, often triggered by non-allergic things like smells or temperature changes.
- Your allergy tests (skin or blood) are negative, and you do not have other nasal problems like sinusitis or polyps.
- You have not used steroids, antihistamines, or immune drugs in the past month.
- You do not smoke and are not pregnant or nursing.
- You have not had nasal surgery in the last 3 months.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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