Clinical trials: Cough Reflex Sensitivity
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 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, 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
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
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
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
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
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
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
Refractory Chronic Cough
Effect of Gefapixant (MK-7264/AF-219) on Cough Reflex Sensitivity in Healthy and Chronic Cough Participants (MK-7264-014)
The primary objective of this study was to assess the effect of a single dose of gefapixant 100 mg on cough reflex sensitivity to various challenge agents (capsaicin, citric acid, adenosine triphosphate [ATP], and distilled…
- Trial name
- NCT02476890
- Testing
- Gefapixant 100 mg
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Afferent Pharmaceuticals, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Cough
A Study on the Mechanism of Cough Hypersensitivity
The aim of this study is described as follows, 1. To establish a validated method to test cough reflex sensitivity conducted by transient receptor potential vanilloid 1(TRPV1). 2.
- Trial name
- NCT02591550
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Kefang Lai