Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 8, 2026, 10:49 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cough Reflex Sensitivity
Interventions
Cosmed QuarkSpiro Dosimeter-Controlled Nebulizer, DeVilbiss 45 Handheld Nebulizer
Device
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 89 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Missoula, Montana
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Electronic Cigarette Use on Cough Reflex Sensitivity

NCT02203162
Conditions
Cough
Interventions
electronic cigarette exposure
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Cough
Interventions
Supra-threshold and progressive doses of diluted capsaicin via a Koko Digidoser nebulizer, Sub-threshold doses of diluted capsiacin via a KoKo Digidoser nebulizer
Biological
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Missoula, Montana
Completed Early Phase 1 Interventional Results available

Assessment of Dystussia in Traumatic Brain Injury

NCT02240329
Conditions
TBI, Brain Injury
Interventions
Neuropsychological Testing and Measures of TBI severity, Respiratory measures, Capsaicin cough sensitivity testing
Behavioral · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Cough
Interventions
Citric Acid
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Jacksonville, Florida
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Respiratory Kinematics of Cough in Healthy Older Adults and Parkinson's Disease

NCT02183519
Conditions
Cough, Parkinson's Disease
Interventions
Capsaicin, Voluntary cough test
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
55 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Gainesville, Florida
Completed No phase listed Observational Accepts healthy volunteers

Cough Reflex Sensitivity and Bronchial Hyper-responsiveness

NCT01777867
Conditions
Gastroesophageal Reflux Disease, Chronic Cough, Broncho-hyperreactivity
Interventions
Cough Reflex Sensitivity, Methacholine Challenge
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Jacksonville, Florida