Clinical Trials Logo

Clinical Trial Summary

Cough is the most common reason why people seek medical attention in developed countries. The main mechanisms for prolonged cough are hypersensitivity of the cough reflex arc, sputum production, and constriction of the airway smooth muscles. Recognition of the mechanism in each cough patient is essential for the efficient management of prolonged cough. At present, there are no feasible tests for everyday clinical work to recognize cough reflex arc hypersensitivity. Mannitol test was originally developed for asthma diagnostics. We have recently shown that it can also be used to investigate hypersensitive cough reflex arc. The purpose of the present study is to create reference ranges for normal cough responsiveness to inhaled mannitol. Without them, the test cannot be utilized in everyday clinical work. For that purpose we will perform mannitol test in 140 subjects, who are at least 18 years old and without any chronic respiratory symptoms or disorders. The subjects will be recruited in three centers: University of Eastern Finland and: John Hunter Hospital in Australia.The material will be collected 1.9.2021-31.12.2023. We apply funding for both personnel and material expences, to carry out this study.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05034367
Study type Interventional
Source Kuopio University Hospital
Contact Heikki O Koskela, MD
Phone +358 447172795
Email heikki.koskela@kuh.fi
Status Recruiting
Phase N/A
Start date January 17, 2022
Completion date December 2024

See also
  Status Clinical Trial Phase
Completed NCT00116337 - Spinal Cord Stimulation to Restore Cough N/A
Not yet recruiting NCT04064333 - Slow-Stream Expiratory Muscle Strength Training for Veterans With Dysphagia Living in Long-term Care N/A
Recruiting NCT02482818 - Efficacy of Pregabalin on Chronic Cough Phase 1/Phase 2
Terminated NCT02269761 - Chest Ultrasound of ER Patients With Cough or SOB
Active, not recruiting NCT02065440 - The Effect of Ebastine/Pseudoephedrine on Subacute Cough N/A
Completed NCT01071161 - The Effect of Azithromycin in Patients With Chronic Obstructive Pulmonary Disease (COPD) and Chronic Productive Cough Phase 3
Terminated NCT00668317 - Bronchial Hyper-responsiveness in Reflux Cough Phase 3
Completed NCT00353951 - An Observational Study of Cough / Lower Respiratory Tract Infection (LRTI) in Primary Care N/A
Completed NCT00287339 - The Utility of Nexium in Chronic Cough and Reflux Disease Phase 4
Completed NCT00127686 - Effect of Honey and Dextromethorphan on Nocturnal Cough and Sleep Phase 1
Recruiting NCT05115097 - AI Evaluation of COVID-19 Sounds (AI-EChOS)
Recruiting NCT04457011 - Efficacy and Safety of Susu Zhike Granules for Treating Acute Cough Due to Common Cold With Cold-cough Syndrome in Children Phase 2
Recruiting NCT05042063 - Acoustic Cough Monitoring for the Management of Patients With Known Respiratory Disease
Recruiting NCT03922373 - A Study of Benzonatate Soft Capsule in Chinese Healthy Subjects Phase 1
Completed NCT05812209 - Stellate Ganglion Block to Treat Long COVID 19 Case Series
Recruiting NCT04767074 - A Non-pharmacological Cough Control Therapy N/A
Recruiting NCT05570539 - Assessment of the Pharmacokinetics of BLU-5937 Extended Release Prototypes and a BLU-5937 Immediate Release Reference Formulation Phase 1
Completed NCT03999203 - A Cross-sectional Study to Measure Cough in Severe Asthma N/A
Active, not recruiting NCT05479929 - Work of Breathing Assessment in Triage Scale
Recruiting NCT02495571 - Assessment of Voluntary and Reflex Cough in Patients With ALS N/A