Last reviewed · How we verify
NCT03639727
Cough in Eastern and Central Finland
NA trial testing Citric acid aerosol bronchial challenge in Chronic Cough in 61 participants. Completed in 31 January 2019.
31 December 2018
Quick facts
| Lead sponsor | Kuopio University Hospital |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | diagnostic |
| Enrollment | 61 |
| Start date | 1 September 2018 |
| Primary completion | 31 December 2018 |
| Estimated completion | 31 January 2019 |
| Sites | 1 location across Finland |
Drugs / interventions tested
- Citric acid aerosol bronchial challenge
- Mannitol aerosol bronchial challenge
Conditions studied
- Chronic Cough — all drugs for Chronic Cough →
Sponsor
Kuopio University Hospital
Who can join
18 and older, any sex, with Chronic Cough. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Comparison of citric acid and mannitol cough provocation tests among subjects with chronic cough and healthy volunteers.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
The prevalence and risk factors of respiratory symptoms in Finland: a comparative analysis.
Pautola HVT, Koskela HO, Purokivi MK, Kaulamo JT, et al · · 2025 · PMID 41020184 · DOI 10.1080/20018525.2025.2563395
Verify or expand the search:
- PubMed search for NCT03639727
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Chronic Cough
Currently open trials in the same condition.
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Other Kuopio University Hospital trials
Trials by the same sponsor.
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- NCT06740097 — Feasibility of Aspirate Tissue Monitoring in Neuro-oncological Surgery · NA · recruiting
- NCT06460363 — Transcranial Alternating Current Stimulation on Patients with Delirium and Critical Illness (DeliTACS) · NA · recruiting
- NCT05863624 — Open and Endoscopic Technique in Female Inguinal Hernia Repair. FemaleHernia · NA · not yet recruiting
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT03639727 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Kuopio University Hospital
- Last refreshed: 12 February 2019
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03639727.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing