Mystery autumn allergies traced to birch rust?
NCT ID NCT04322838
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study investigates whether spores from birch rust fungi trigger seasonal allergies in autumn. Researchers will compare 30 people with suspected birch rust allergy to 15 non-allergic controls, tracking symptoms and spore levels. The goal is to understand a possible cause of autumn airway allergies in North Norway.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If this study finds a link, it could point toward better diagnosis or management of autumn allergies caused by birch rust fungi.
- What could go wrong
- This is a small pilot study, so results may not apply to other regions or populations. It is designed to gather knowledge, not to test a treatment.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University Hospital of North Norway
Tromsø, Norway
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