Clinical trials: Cough Hypersensitivity
Cough, Upper Respiratory Tract Infections
Effect of Over-the-counter NSAIDS on Cough Reflex Sensitivity in Patients with Upper Respiratory Tract Infections
The goal of this mechanism of disease study is to investigate the effect of flurbiprofen, a non-steroidal anti-inflammatory drug (NSAID), on the cough hypersensitivity associated with upper respiratory tract infections (URTI).
- Trial name
- NCT05955885
- Testing
- Flurbiprofen Oral Lozenge, Difflam, Flurbiprofen 8.75 MG
- Where
- Australia
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University of Melbourne
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, 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
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
URTI, Cough
Acoustic Analytic Apps for Smart Telehealth Screening - Creating a Big Data
To develop and validate a library of cough spectrum from a target of 1000 cough acoustics. Coughs arising from upper respiratory infection, lower chest infections, asthma, allergic conditions are included in the study.
- Conditions
- URTI, Cough, Cough Variant Asthma, Cough; Bronchial, With Grippe or Influenza
- Trial name
- NCT03169699
- Where
- Singapore
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital
Chronic Obstructive Airway Disease, Asthma
Cough Responses to Tussive Agents in Health and Disease
The sensitivity of a persons cough reflex can be measured by getting them to breath in (inhale) irritant chemicals. The purpose of this clinical research study is to test the sensitivity of the cough reflex to a variety of…
- Conditions
- Chronic Obstructive Airway Disease, Asthma, Chronic Cough
- Trial name
- NCT01297790
- Testing
- Cough Challenge Tests, ambulatory cough recording, Cough questionnaires
- Where
- United Kingdom
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
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
Gastroesophageal Reflux Disease, Chronic Cough
Cough Reflex Sensitivity and Bronchial Hyper-responsiveness
The aim of this study is to provide pilot data on the possible gastrointestinal predictors of respiratory hyper-responsiveness and how these relate to the clinical sub-types of gastroesophageal reflux disease (GERD) and visceral…
- Conditions
- Gastroesophageal Reflux Disease, Chronic Cough, Broncho-hyperreactivity
- Trial name
- NCT01777867
- Testing
- Cough Reflex Sensitivity, Methacholine Challenge
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
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
Asthma, Chronic Obstructive Pulmonary Disease (COPD)
Canadian Consortium on Airway Mucus Occlusions in Asthma, COPD and Chronic Cough
Chronic lung diseases affect one in five Canadians, causing symptoms such as cough, breathlessness, and wheeze. Despite advancements in medical care, these conditions not only impact individuals and their close circles but also…
- Conditions
- Asthma, Chronic Obstructive Pulmonary Disease (COPD), Chronic Cough (CC)
- Trial name
- CANMuc (NCT06858748)
- Testing
- Observational
- Where
- 7 sites in Canada
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- McMaster University
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
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
Chronic Cough
Neurophysiology and Pharmacology of Cough Reflex Hypersensitivity
A cough lasting more than 2 months is known as a chronic cough, affecting 12-23% of the adult non-smoking population. Chronic cough has many associated complications including incontinence, muscular chest pains, blackouts and…
- Trial name
- NCT00858624
- Testing
- ketamine
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Jacky Smith