# Cough in Eastern and Central Finland

> **NCT03639727** · NA · COMPLETED · sponsor: **Kuopio University Hospital** · enrollment: 61 (actual)

## Conditions studied

- Chronic Cough

## Interventions

- **DIAGNOSTIC_TEST:** Citric acid aerosol bronchial challenge
- **DIAGNOSTIC_TEST:** Mannitol aerosol bronchial challenge

## Key facts

- **NCT ID:** NCT03639727
- **Lead sponsor:** Kuopio University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-01
- **Primary completion:** 2018-12-31
- **Final completion:** 2019-01-31
- **Target enrollment:** 61 (ACTUAL)
- **Last updated:** 2019-02-12

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03639727

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03639727, "Cough in Eastern and Central Finland". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT03639727. Licensed CC0.

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