# Effect of the Nasal Provocation on the Breathing Style

> **NCT02146300** · NA · UNKNOWN · sponsor: **Oulu University Hospital** · enrollment: 30 (estimated)

## Conditions studied

- Birch Pollen Allergy
- Healthy Control Subjects

## Interventions

- **BIOLOGICAL:** 1. session birch pollen nasal exposure 2. session xylometazoline nasal exposure

## Key facts

- **NCT ID:** NCT02146300
- **Lead sponsor:** Oulu University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2014-03
- **Primary completion:** 2014-06
- **Final completion:** 2016-06
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2014-05-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02146300

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02146300, "Effect of the Nasal Provocation on the Breathing Style". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT02146300. Licensed CC0.

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