Clinical trials: Cough Hypersensitivity
Influenza Like Illness, Asthma
How Does the Clinical Tool 'What's Going Around' Affect Clinical Practice
Previous work has shown that the epidemiological context of a patient's presentation can provide important information for clinicians to aid in diagnosis and treatment.
- Conditions
- Influenza Like Illness, Asthma, Group A Streptococcal Infection, Pertussis
- Trial name
- WGA (NCT01979588)
- Testing
- What's Going Around tool, Control
- Where
- United States
- Volunteers
- 206,703 people, healthy volunteers welcome
- Sponsor
- Endeavor Health
Cough, Larynx
The Efficacy of Capsaicin Sensitivity Testing in Patients With Irritable Larynx Syndrome
Irritable larynx syndrome (ILS) is a hyperkinetic laryngeal dysfunction that is characterized by a persistent cough, voice changes, or breathing difficulties, which are often triggered by an irritant.
- Trial name
- NCT02065128
- Testing
- Capsaicin cough challenge test
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Cough Reflex Sensitivity
Evaluating the Feasibility and Reliability of Using Handheld Nebulizers to Conduct Cough Sensitivity Testing With Citric Acid
Objective cough reflex sensitivity testing is typically restricted to specialized research laboratories due to reliance on expensive dosimeter-controlled aerosol delivery systems.
- Trial name
- NCT07531901
- Testing
- Cosmed QuarkSpiro Dosimeter-Controlled Nebulizer, DeVilbiss 45 Handheld Nebulizer
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Montana
Cough
Effect of Electronic Cigarette Use on Cough Reflex Sensitivity
Although electronic cigarettes (e-cigs) are now widely used, very little information exists regarding the effect of electronic cigarette use (vaping) on the respiratory system.
- Trial name
- NCT02203162
- Testing
- electronic cigarette exposure
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Smoking
Cough Sensitivity and Taste Preferences
This single-site, within-subject, experimental study is designed to test the hypothesis children who live in a household in which one or both of their parent smoke will exhibit a higher cough threshold and will prefer more…
- Trial name
- CAP (NCT01399060)
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Monell Chemical Senses Center
Asthma, COPD
Sputum and Plasma Levels of Nociceptin and Substance P in Patients With Asthma, COPD and Chronic Cough
The aims of this study are to investigate the association between sputum and plasma levels of nociceptin and substance P with cough severity and airway hyperreactivity in patients with asthma, COPD and chronic cough.
- Conditions
- Asthma, COPD, Cough
- Trial name
- NCT00173225
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Asthma, Cough
Mannitol-Induced Cough Challenge in Healthy Controls and Subjects With Mild Allergic Asthma
The study aim is to investigate if changes in osmolarity using mannitol challenge can evoke coughing reproducibly in mild allergic asthmatics compared with healthy controls and if salbutamol can affect this.
- Trial name
- MICC (NCT03620422)
- Testing
- Mannitol, Salbutamol 5mg/mL, Sodium Chloride 0.9% Inhl 3Ml
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- McMaster University
Respiratory Disease
Luftibus in the School: a Study on the Respiratory Health of Schoolchildren.
This study assessed the respiratory health of schoolchildren from the canton of Zurich by combining self-reported information on respiratory symptoms with lung function test results and air pollution measurements.
- Trial name
- LUIS (NCT03659838)
- Where
- Switzerland
- Volunteers
- 3,500 people, healthy volunteers welcome
- Sponsor
- University Children's Hospital, Zurich
Asthma, Cough
Bronchodilating and Bronchoprotective Effects of Deep Inspirations
The objectives of this research are to compare (i) the bronchodilating and (ii) the bronchoprotective effects of deep inspirations (DIs) in individuals with: (a) asthma, (b) CVA, (c) methacholine-induced cough but normal airway…
- Trial name
- NCT01659476
- Testing
- Methacholine(MCh) Challenge Testing
- Where
- Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Queen's University
Cough, Healthy Controls
Neurophysiology of Cough Reflex Hypersensitivity
Central sensitisation is an increase in the excitability of nerves within the central nervous system, which can lead to heightened sensitivity to certain stimuli. This process is involved in some chronic pain conditions e.g.
- Trial name
- NOTCH (NCT00977366)
- Testing
- Hydrochloric acid (0.15 molar), Saline
- Where
- United Kingdom
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Asthmatic Bronchitis
Gene Expression Profile and Inflammation Profile of Classic Asthma, Cough Variant Asthma and Eosinophilic Bronchitis
This study aims to identify and validate the gene expression differentials of peripheral blood mononuclear cells and differential inflammation profiles and other aspects in classic asthma, cough-variant asthma and eosinophilic…
- Trial name
- NCT02555345
- Where
- China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- State Key Laboratory of Respiratory Disease
Asthma, Cough
Sensory-Mechanical Responses to Eucapneic Voluntary Hyperventilation and Mannitol
The objectives of this study are to determine the sensory-mechanical responses to Eucapneic Voluntary Hyperventilation (EVH) and Mannitol in individuals with cough variant asthma (CVA) and methacholine-induced cough with normal…
- Conditions
- Asthma, Cough, Cough Variant Asthma
- Trial name
- NCT03105843
- Testing
- Methacholine (MCh) Challenge Testing, Eucapneic Voluntary Hyperventilation (EVH), Mannitol Inhalation Kit
- Where
- Canada
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Dr. Diane Lougheed
Asthma (Diagnosis), Community-Acquired Pneumonia (CAP)
Multimodal Assisted Diagnosis for Pediatric Respiratory Diseases Using Questionnaires, Cough Sounds, and Breath Sounds
This study aims to establish a standardized, synchronized data collection system for pediatric symptom questionnaires, cough sounds, and breath sounds, and to construct a multimodal database of pediatric respiratory diseases…
- Trial name
- NCT07613242
- Testing
- Multimodal respiratory data collection
- Where
- China
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Shanghai Children's Medical Center
Refractory/Unexplained Chronic Cough
ATP Level and Cough Sensitivity to ATP in Subjects With Refractory/Unexplained Chronic Cough
This is a cross-sectional study to investigate ATP level in induced sputum and cough sensitivity to ATP in subjects with refractory/unexplained chronic cough.
- Trial name
- NCT05265871
- Where
- China
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Kefang Lai
Cough
A Study of the Effect of 20 mg Ambroxol Hydrochloride on Acute Cough.
To assess the effect of a single doses of 20 mg ambroxol hydrochloride on cough reflex sensitivity to citric acid, capsaicin, adenosine triphosphate (ATP) and distilled water in patients with acute cough related to upper…
- Trial name
- NCT03415269
- Testing
- Ambroxol Hydrochloride
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Hull University Teaching Hospitals NHS Trust
Cough, COPD
Acoustic Cough Monitoring for the Management of Patients With Known Respiratory Disease
This study pretends to evaluate the potential use of Hyfe Cough Tracker (Hyfe) to screen for, diagnose, and support the clinical management of patients with respiratory diseases, while enriching a dataset of disease-specific…
- Conditions
- Cough, COPD, GERD, Asthma
- Trial name
- NCT05042063
- Testing
- Hyfe Cough Tracker, Hyfe Air
- Where
- Spain
- Volunteers
- 616 people, healthy volunteers welcome
- Sponsor
- Clinica Universidad de Navarra, Universidad de Navarra
Refractory Chronic Cough
Effect of Gefapixant (AF-219/MK-7264) on Cough Reflex Sensitivity (MK-7264-015)
The primary objective of this double-blind crossover study is to assess the effect of single doses of 50 mg and 300 mg gefapixant (AF-219/MK-7264) on cough reflex sensitivity to capsaicin in both healthy participants and…
- Trial name
- NCT02397460
- Testing
- Gefapixant
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Afferent Pharmaceuticals, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Cough
An Investigation Into the Mechanism of Inhalation Cough Challenge
Despite its commonplace use in respiratory medicine the mechanism whereby inhalation challenge with a variety of mild acid aerosols produces a dose related and predictable cough is unknown.
- Trial name
- NCT02039999
- Testing
- Nebulised citric acid in serial dilutions, Nebulised ATP solution in serial dilutions, Nebulised TRPA1 agonist solution in serial dilutions
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hull University Teaching Hospitals NHS Trust
COVID-19, Coronavirus Infections
Audio Data Collection for Identification and Classification of Coughing
An open access study that will define and collect digital measures of coughing in multiple populations and public spaces using various means of audio data collection.
- Conditions
- COVID-19, Coronavirus Infections, Hay Fever, Asthma
- Trial name
- NCT04326309
- Where
- United States
- Volunteers
- 336 people, healthy volunteers welcome
- Sponsor
- HealthMode Inc.
Cough
Functional Magnetic Resonance Imaging of ATP Cough in Chronic Cough Patients
Persistent cough is a distressing symptom for people with respiratory disorders. Patients also often experience an ongoing urge-to-cough that prompts coughing, and which fails to resolve the sensation.
- Trial name
- NCT03722849
- Testing
- Adenosine Triphosphate, Capsaicin, Functional Brain Imaging
- Where
- Australia
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Stuart Mazzone