# Tromsø Birch Rust Allergy Study. Allergy to Birch Rust, a Possible Explanation to Seasonal Airway Allergy During Autumn?

> **NCT04322838** · — · UNKNOWN · sponsor: **University Hospital of North Norway** · enrollment: 45 (estimated)

## Conditions studied

- Hypersensitivity, Immediate
- Allergy

## Interventions

- **DIAGNOSTIC_TEST:** MeDALL questionnaire for allergic diseases
- **DIAGNOSTIC_TEST:** Registration of allergic symptoms
- **DIAGNOSTIC_TEST:** Skin Prick Test
- **DIAGNOSTIC_TEST:** Specific IgE in serum
- **DIAGNOSTIC_TEST:** Nasal provocation test
- **DIAGNOSTIC_TEST:** Basophil Activation Test

## Key facts

- **NCT ID:** NCT04322838
- **Lead sponsor:** University Hospital of North Norway
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-08-01
- **Primary completion:** 2021-12-01
- **Final completion:** 2021-12-01
- **Target enrollment:** 45 (ESTIMATED)
- **Last updated:** 2021-04-28

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04322838

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04322838, "Tromsø Birch Rust Allergy Study. Allergy to Birch Rust, a Possible Explanation to Seasonal Airway Allergy During Autumn?". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT04322838. Licensed CC0.

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