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32 active trials for Cough

Efficacy and Safety of Gefapixant (MK-7264) in Women With Chronic Cough and Stress Urinary Incontinence (MK-7264-042)

The purpose of this study is to evaluate the efficacy and safety of gefapixant, in improving symptoms of cough-induced stress urinary incontinence (SUI) in adult female participants with refractory or unexplained chronic cough. The primary hypothesis is that gefapixant is superior to placebo in reducing the frequency of cough-induced SUI episodes over 12 weeks.

Start: May 2020

Efficacy and Safety of Gefapixant (MK-7264) in Adult Participants With Recent Onset Chronic Cough (MK-7264-043)

The purpose of this study is to evaluate the efficacy and safety of gefapixant in participants with recent onset chronic cough (duration >8 weeks after onset of cough symptoms) for <12 months and a diagnosis of refractory or unexplained chronic cough. The primary hypothesis is that gefapixant is superior to placebo in improving cough-related quality of life measured as change from baseline in the Leicester Cough Questionnaire (LCQ) total score at Week 12.

Start: May 2020

A Study of Nalbuphine (Extended Release) ER in Idiopathic Pulmonary Fibrosis (IPF) for Treatment of Cough

To investigate the efficacy and safety of Nalbuphine ER (NAL ER) tablets in subjects diagnosed with Idiopathic Pulmonary Fibrosis (IPF) and evaluate it's treatment of cough in these patients. This is a two-treatment, 2-period crossover study. Subjects will be randomized in Treatment Period 1 to either NAL ER or matching placebo and evaluate for approximately 21 days. After completion of the first phase, subjects who received NAL ER will crossover to placebo and subjects who received placebo will crossover to NAL ER to complete Treatment Period 2.

Start: August 2019

Study of Hesperidin Therapy on COVID-19 Symptoms (HESPERIDIN)

The main aim of this study is to determine the effects of short-term treatment with hesperidin on COVID-19 symptoms in comparison with a placebo. Treatment effects will be observed through a symptoms diary that will be completed by participants throughout the study and by taking the oral temperature daily.

Start: February 2021

Effects of Second-generation Antihistamine Bepotastine on Cough Outcomes in Cough Patients With Allergic Rhinitis

This is a phase 4 study to evaluate the the efficacy of second generation antihistamine on cough outcomes in cough patients with allergic rhinitis.

Start: May 2021

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. Understanding how the brain controls cough and the urge-to-cough could lead to new cough suppressing therapies. The overall objective of this project is to use functional brain imaging (fMRI) to identify brain regions that are involved in the exaggerated urge-to-cough in humans with chronic cough. Our focus will be on the brainstem where information from the airways first arrives in the central nervous system.

Start: March 2019

Randomized Placebo-controlled Analysis of Superior Laryngeal Nerve Block for Neurogenic Cough

Prospective randomized placebo-controlled trial assessing the efficacy of superior laryngeal nerve block for adults with neurogenic cough refractory to proton pump inhibitor as determined by improvement in validated cough severity questionnaires before and after injection of Marcaine and Kenalog compared to placebo (saline injection).

Start: January 2021

Office-Based Superior Laryngeal Nerve Block for Treatment of Neurogenic Cough

The purpose of this study is to evaluate if office-based injection of a local anesthetic/steroid combination at the area of one superior laryngeal nerve can decrease cough frequency and alleviate symptoms of chronic cough in patients with neurogenic cough.

Start: May 2021

Digital Acoustic Surveillance for Early Detection of Respiratory Disease Outbreaks

An observational study to evaluate the accuracy of a digital cough monitoring tool to reflect the incidence of COVID-19 and other respiratory infections at the community level in the city of Pamplona, Spain.

Start: November 2020

A Non-pharmacological Cough Control Therapy

Coughing affects almost all individuals with ILD leading to physical, psychological and social distress and prevents individuals from performing their activities of daily living, working or socialising in public places. Unfortunately, there are no licensed medications available to treat chronic cough and the few drugs that have been tried resulted in little efficacy and significant side effects. Drug-free cough control interventions have shown promise in reducing the severity and impact of coughing on patients' lives but have not been tested in individuals with ILD. This study aims to explore the feasibility and effectiveness of a non-pharmacological cough control therapy, as an adjuvant of pulmonary rehabilitation, in patients with ILD and chronic cough (>8 weeks in duration).

Start: September 2020

Stimulation With Wire Leads to Restore Cough

The purpose of this trial is to determine the efficacy of spinal cord stimulation, using wire leads, to produce an effective cough in patients with spinal cord injuries.

Start: April 2015

Sensory-Mechanical Responses to Eucapneic Voluntary Hyperventilation and Hypertonic Saline

The objectives of this study are to determine the sensory-mechanical responses to Eucapneic Voluntary Hyperventilation (EVH) and Hypertonic Saline (HS) in individuals with cough variant asthma (CVA) and methacholine-induced cough with normal airway sensitivity (COUGH) and compare these responses to a control group of healthy individuals without asthma or chronic cough. We hypothesize: EVH and HS cause dyspnea, cough, small airway obstruction with resultant dynamic hyperinflation, gas trapping and autoPEEP in individuals with CVA and COUGH, but not healthy controls. The sensory-mechanical responses to both hyperosmolar challenges (EVH and HS) are comparable within groups (CVA, COUGH and healthy controls).

Start: September 2021

Effects of Intraoperative Vagal Block on Reducing the Postoperative Cough After Thoracic Surgery

Randomized controlled study to investigate the role of intraoperative vagal nerve block for preventing the postoperative cough in patients who received the pulmonary resection for lung cancer

Start: December 2020

Chronic Cough and CANVAS (Cerebellar Ataxia With Neuropathy and Bilateral Vestibular Areflexia Syndrome)

Chronic cough is a frequent cause of Pneumology consultations. CANVAS syndrome (Cerebellar Ataxia with Neuropathy and bilateral Vestibular Areflexia Syndrome) is a progressive and disabling neurological disease that very frequently occurs with chronic cough. This cough invariably appears as a prodromal symptom that precedes neurological symptoms. The biallelic expansion of AAGGG in RFC1, a causal mutation in CANVAS syndrome, appears with high frequency in the general population. Objectives: Main: To determine the presence of biallelic expansion of AAGGG in RFC1 in patients with chronic cough, regardless of the presence of neurological symptoms. Secondary: Describe the phenotypic, functional and inflammatory characteristics of these patients. and Know the relationship between gastroesophageal reflux and chronic cough in patients with CANVAS. Method: A descriptive cross-sectional pilot study including 50 non-smoking patients between the ages of 30 and 99 years with chronic and / or refractory cough as the only manifestation or associated with gastroesophageal reflux. All patients will undergo the pertinent studies for the diagnosis of chronic cough, those who meet criteria for suspicion of gastroesophageal reflux will be requested an esophageal phmetry and esophageal manometry. Peripheral venous blood sample will be obtained for subsequent genetic analysis. Vibration sensitivity will be studied in all patients regardless of the presence of mutation. Those with alterations in vibratory sensitivity or mutations in RFC1 will be referred to the Neurology Service for a complementary neurological evaluation. For the molecular study of the DNA sample of the patients, two techniques will be used: standard Polymerase chain reaction amplification with primers flanking the intron 2 fragment of the RFC1 gene and amplification using Repeated Primed Polymerase chain reaction in 3 independent reactions.

Start: June 2021

A Prospective Trial of Behavioral Therapy for Chronic Cough

This study seeks to explore whether heart rate variability (HRV) biofeedback can be effective in the treatment of chronic cough. Chronic cough has many causes, including asthma, postnasal drip, and gastroesophageal reflux disease (GERD), each with a specific treatment. However, among a subset of cough patients, no clear cause is found despite extensive workup, and traditional treatment methods do not provide relief. Several studies revealed less common causes of chronic cough and disordered breathing such as vagal neuropathy, paradoxical vocal fold motion, and stress. Additional research identified links between the neurological networks that produce the cough reflex and those that maintain normal breathing. HRV biofeedback is a self-regulation technique that uses computer equipment to monitor heart rate and breathing, two key functions of the autonomic nervous system. By using this non-invasive behavioral technique, cough patients can regulate their breathing and autonomic function, potentially leading to improved autonomic balance and a reduction in cough symptoms.

Start: February 2018

Efficacy of SLN Block for Chronic Cough

This is a research study to find out if superior laryngeal nerve blocks are an effective way to reduce cough when compared to placebo (a substance without any medical value). Eligibility for the study include the following: age >18, cough history suggestive that the nerve to the voice box is overactive, non-smoker, Patients will be followed over time and assigned to either the treatment or placebo group at random. The treatment would be four superior laryngeal nerve blocks and the placebo would be four saline injections (the inactive substance). Study team will measure if the injection improved cough and ask patients to keep a log of symptoms and fill out questionnaires at each visit. After the four injections, patients will follow up in 3 months to see if cough has returned and if so, how severe the cough is.

Start: July 2020

Promoting Safe Use of Children's Cough/Cold Medicines

This study seeks to identify ways to help parents safely use cough/cold medications with their children. The study focuses on 3 key tasks that have been found to be difficult for parents: 1) decision-making about whether medicines should be given based on a child's age, 2) use of active ingredient information to determine which medications are safe to give together, and 3) medication dosing. Specific ways that labels and dosing tools can be changed to improve parent understanding and ability to use pediatric cough and cold medications will be tested. This includes looking at whether including age restriction information on the front panel helps parents make better decisions about whether a medication should be given to a child, as well as whether presence of a specific warning or pictogram can help improve this understanding. In addition, the role of font size, including a box around ingredients, and use of a specific warning to look at and compare active ingredients, will be examined to see if these can help parents decide if two medications can be given together safely. Finally, dosing charts with pictograms of dosing tools, and provision of certain dosing tools, can lead to fewer parent dosing errors. A label/dosing tool combination that incorporates what is learned from the first part of the study will be developed based on findings from the first part of the study, and then tested to see whether this improves parent understanding and use of pediatric cough and cold medicines. Hypotheses include: 1) changes in labels and dosing tools, such as including explicit warnings, and pictographic warnings/instructions can improve parent understanding and ability to act on of medication instructions, 2) parents with low health literacy and/or LEP will especially benefit from strategies such as explicit wording, warnings, and pictogram, and 3) parents receiving the comprehensive labeling and dosing strategy will have a better understanding of appropriate use of cough/cold medications, including fewer dosing errors, compared to standard labels. A multi-part experiment will be conducted. Findings will be merged with known evidence around health literacy best practices to develop a comprehensive, consumer-centered strategy for English and Spanish-speaking parents. Pilot testing of the comprehensive strategy in comparison to existing labels will then take place.

Start: August 2017

Swiss Paediatric Airway Cohort

The Swiss Paediatric Airway Cohort (SPAC) is a national, prospective clinical cohort of children and adolescents who visit physicians in Switzerland for recurrent wheeze, cough, and exercise- or sleep-related respiratory problems. SPAC aims to answer important questions on clinical phenotypes, prognosis, diagnosis and treatment. SPAC is part of routine care, and only clinically indicated investigations are done. The comprehensive baseline assessment includes a detailed questionnaire to families, plus test results, diagnoses and treatments from hospital records. Follow-up is via annual questionnaires to families, monthly mobile phone symptom scores, and data from follow-up visits. Currently, 350 patients from four major hospitals (Bern, Zurich, Basel and Lucerne) have been enrolled, but other clinics and practices will join and the investigators aim for at least 3000 patients. SPAC will provide real-life data on children visiting the Swiss health care system for common respiratory problems. It will provide a research platform for health services research, and for nested clinical and transitional studies.

Start: June 2017

Digital Online Consultations - Effects on Antibiotic Prescribing in Primary Care

BACKGROUND/SIGNIFICANCE: With developments in mobile health and the abundance of smartphones, online consultations have emerged as a popular form of primary care in Sweden. Controversy exists regarding diagnostic accuracy, appropriate prescription of antibiotics, and effects on care-seeking patient behavior following implementation of online consultations. As empirical research is lacking, the investigators seek to evaluate online primary care consultations compared to physical consultations with regards to non-inferiority of antibiotic prescription for chief complaint of sore throat. METHODS: Medical record data is used to identify patients with a chief complaint of sore throat, cough/common cold/influenza, or dysuria after choosing online (DIGI) or physical (PHYSI) consultations. A cohort of patients with similar chief complaints prior to implementation of online consultations was used as a control group (CONTROL). Prospective data from local registries and medical records was gathered 14 days the consultation. The primary outcome was rate of antibiotic prescription after sore throat. Secondary outcomes included patient revisits (including hospital admissions), patient satisfaction, time to physician contact, registered diagnosis, and documentation or Centor Criteria and Urinary Tract Infection (UTI)-Criteria. SIGNIFICANCE: Results will shed light on whether antibiotic prescription differs significantly between digital and physical primary care consultations. Hypotheses may also be generated as to how patients seek care in light of improved availability in a tax-sponsored healthcare system.

Start: March 2018

Influence on Cough and Airway Symptoms by Oral Capsaicin

Study objectives To establish whether an oral intake of Capsicum oleoresin; capsaicinoids expressed as 0.4 mg capsaicin (C18H27N03; Mw: 305.4) in each capsule (from chili extract) can desensitise the cough reflex and improve unexplained coughing. Study period Estimated Start date (first patient enrolled) June 2019 Estimated End date (last patient completed follow up) June 2020 First data available for presentation September 2020 Investigational product/comparator The formulation is prepared from Capsicum oleoresin. Each capsule will contend a dose corresponding to 0.4 mg capsaicin. All test methods are as per the European Pharmacopoeia for Capsicum oleoresin refined and standardised. The formulation is developed by Research Institutes of Sweden (RISE), Sodertalje, Sweden Supplier of raw material for the Capsicum oleoresin product/IMP: RANSOM; Ltd, London, UK Producer of capsules with Capsicum oleoresin and placebo: by Catalent Pharma Solutions, St Petersburg, Florida, USA Packing bottles of capsules with the investigational medical product (IMP) and placebo: by Apotek Produktion & Laboratorier AB (APL), Stockholm, Sweden Study design Capsules, taken orally, with standardised doses of Capsicum oleoresin corresponding to 0.4 mg pure capsaicin (from chili extract) in each capsule in comparison to matched capsules with placebo (sorbitol and colorant), all capsules looking the same. Four weeks of active treatment is compared to four weeks of placebo. In between there is a wash out period of two weeks. The time frame is 24 hours + 10 weeks. During the first 24 hours the patients carry a cough recorder (Leicester Cough Monitor - LCM) and then start with 4 weeks of active treatment or placebo. This is followed by 2 weeks of wash out and then the patients start with another 4 weeks of active treatment or placebo. After this the study ends. Collaboration Professor Alyn Morice MD, PhD, chief physician at Hull York Medical School, University of Hull, UK. Professor Surinder Birring MD, Senior Lecturer, specialist in respiratory medicine, Imperial College, London, UK. Associate professor Alastair Ross,PhD, Chalmers University of Technology, Gothenburg, Sweden. Study center and number of subjects planned All clinical trials take place at the asthma and allergy clinic, Sahlgrenska University Hospital, Gothenburg, Sweden from where 60 patients with chronic idiopathic cough (CIC) are recruited.

Start: June 2019