Clinical trials: Bronchial Hyperreactivity
Asthma
Inflammatory Processes in the Airway of Asthmatics With Persistent Bronchial Hyperreactivity
The purpose of this study is to examine inflammatory processes in the airway of moderate to severe persistent asthmatics who have persistent bronchial hyperreactivity despite chronic administration of inhaled glucocorticoids.
- Trial name
- NCT00217854
- Testing
- Bronchoscopic
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Washington University School of Medicine
Allergic Asthma
Bronchial Allergen Provocation Tests in Asthmatics in Guangzhou
The purpose of this study is to establish the methodology of bronchial provocation tests with house dust mites in China, and to evaluate its safety and effects on upper and lower airways inflammation.
- Trial name
- NCT02504528
- Testing
- house dust mites
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Guangzhou Institute of Respiratory Disease
Asthma
Asthma Management Project University Leiden
The long-term course of asthma shows variable outcome with regard to the incidence of exacerbations and the decline of lung function over time. The present study aimed: 1.
- Trial name
- NCT00279188
- Testing
- Guiding therapy by bronchial hyperrsponsiveness
- Where
- Netherlands
- Volunteers
- 75 people
- Sponsor
- Leiden University Medical Center
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
Dyspnea
Pulmonary Function Test, Bronchial Hyperresponsiveness and Quality of Life in Patients With Vocal Cord Dysfunction (VCD)
Vocal cord dysfunction is a rare clinical picture. It is labeled as a sudden and threatening dyspnea. Patients with VCD may also present cough, hoarseness, wheezing, and chest tightness, but an inspiratory stridor is the most…
- Trial name
- VCD (NCT00906867)
- Testing
- Methacholine challenge testing, Rhino-laryngoscopy
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Asthma
A Comparative Bronchial Provocation Study With Mannitol and Methacolinie in a Korean Population
Asthmatic patients and non-asthmatic controls were recruited prospectively from four referral hospitals in Korea. Participants were challenged with each of methacholine and mannitol inhalation on different days.
- Trial name
- NCT02104284
- Testing
- methacholine and mannitol bronchial challenge tests
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- BL&H Co., Ltd
Health, Subjective, Hyperreactivity, Bronchial
Methacholine, Long-acting M-cholinolytic and beta2-agonist on the Activity of Beta-receptors in Healthy Volunteers
Interventional open-labeled study in parallel groups is aimed to evaluate changes of beta receptors in healthy volunteers under the influence of inhaled metacholine, long-acting anticholinergics and beta-agonists using modified…
- Trial name
- NCT04137029
- Testing
- Formoterol, Tiotropium Bromide, metacholine test
- Where
- Russia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Federal State Budgetary Institution, Pulmonology Scientific Research Institute
Asthma
Down-titration of Steroids in Patients With Difficult Asthma With no Bronchial Hyperreactivity
An 8 week 'real-life' inhaled corticosteroid (ICS) dose reduction study in patients with severe asthma without evidence of bronchial hyperactivity.
- Trial name
- DOSIS (NCT03321877)
- Testing
- Change to dose of patient's regular medication
- Where
- Denmark
- Volunteers
- 9 people
- Sponsor
- Bispebjerg Hospital
Asthma, Bronchial Hyperreactivity
Early Antiinflammatory Treatment of Asthma
The inflammatory process that leads to the development of asthma may be present before the onset of asthma symptoms and cause a certain degree of airway hyperresponsiveness.
- Trial name
- EATA (NCT00567463)
- Testing
- Fluticasone
- Where
- Canada
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Laval University
Bronchial Hyperreactivity, Abnormal Respiratory Airway Resistance
Diagnostic Utility of Different Airway Resistance Assessment Techniques in the Methacholine Challenge Test
The aim of the study is to compare standard spirometric evaluation of methacholine challenge test with plethysmographic, interrupter technique and forced oscillation technique (FOT) evaluation of the airways resistance.
- Trial name
- NCT02343419
- Testing
- Methacholine Challenge Test
- Where
- Poland
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
House Dust Mite Allergy, Bronchial Hyperresponsiveness
Safety of Bronchial Allergen Challenge and Predictors for Positive Reaction.
The present study is aimed to evaluate a bronchial allergen challenge with house dust mite and alternaria. Firstly, the years 2005, 2006, 2007, 2008 and 2009 will be retrospectively reviewed.
- Trial name
- NCT01134757
- Testing
- house dust mite and alternaria allergen bronchial challenge
- Where
- Germany
- Volunteers
- 425 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Crohn's Disease
Bronchial Hyperreactivity in Children With Crohn Disease
Background: Latent pulmonary involvement is described in Crohn Disease(CD). Bronchial hyperreactivity measured by the Methacholine Challenge Test (MCT) has been evaluated in two studies involving mainly adults.Our aim was to…
- Trial name
- NCT01297907
- Testing
- Methacholine Challenge Test, Fractional Exhaled NO (FENO), Blood Test
- Where
- Israel
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Esophageal Atresia
Respiratory Complications of Operated Esophageal Atresia in Children
The respiratory complications of esophageal atresia have already been identified. They are mainly related to tracheomalacia linked to the esophageal malformation, and are aggravated by frequently associated gastroesophageal…
- Trial name
- ATRESIA (NCT05527873)
- Where
- France
- Volunteers
- 67 people
- Sponsor
- University Hospital, Strasbourg, France
Asthma
Study Comparing Budesonide Hydrofluoroalkane (HFA) vs Chlorofluorocarbon (CFC) Pressurized Metered Dose Inhalers (pMDI) in Patients With Mild to Moderate Asthma
This study is being carried out to see if budesonide with HFA is effective, safe and well tolerated compared with budesonide CFC.
- Trial name
- NCT00667992
- Testing
- Budesonide HFA, Budesonide CFC
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 99 people
- Sponsor
- AstraZeneca
Asthma
GSK BHR Study (Sont - Second Study)
The purpose of this study was to determine whether asthma control and reduced bronchial responsiveness could be achieved and maintained at a lower dose of inhaled corticosteroids with ADVAIR DISKUS BID or FP BID in adult and…
- Trial name
- NCT01324362
- Testing
- FP 100mcg, FP 250mcg, FP 500mcg
- Where
- 57 sites in United States, Brazil and 2 more
- Volunteers
- 446 people
- Sponsor
- GlaxoSmithKline
Allergic Rhinitis, Asthma
Leukotriene D4 Nasal Provocation Test in Allergic Rhinitis
Leukotrienes play critical roles in the inflammatory process in allergic rhinitis and bronchial asthma, therefore, anti-leukotriene therapy is part of treatment for asthma.
- Trial name
- NCT01963741
- Testing
- leukotriene D4, histamine
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Guangzhou Institute of Respiratory Disease
Bronchial Hyperreactivity
Different End Points for Bronchial Hyperactivity (BHR) Tests.
Bronchial challenge tests (BCT) are being used to diagnose bronchial hyperactivity (BHR) and quantify its severity.In older children and adults, BCT is done using spirometry to measure the value of 20% fall in FEV1 as an…
- Trial name
- NCT01654588
- Where
- Israel
- Volunteers
- 501 people
- Sponsor
- Wolfson Medical Center
Asthma, Bronchial Hyperresponsiveness
The Effect of HFA - Beclomethasone Dipropionate Qvar on Bronchial Hyperreactivity in Preschool Children
Respiratory diseases including Asthma are high prevalent among preschool children. Specific treatment, nowadays, include steroid inhalers and anti leukotrienes.
- Trial name
- NCT01006655
- Testing
- Beclomethasone dipropionate HFA
- Where
- Israel
- Volunteers
- 21 people
- Sponsor
- Rambam Health Care Campus
Asthma
Pediatric Asthma Study Using Stepwise Treatment With Two Food And Drug Administration Approved Asthma Medications
This study was designed to evaluate if, in children with asthma, a stepwise treatment (five levels varying from once daily fluticasone propionate 100mcg until twice daily a fixed combination of salmeterol and fluticasone…
- Trial name
- NCT00158834
- Testing
- Salmeterol/Fluticasone propionate combination product, Fluticasone propionate
- Where
- 16 sites in Netherlands
- Volunteers
- 200 people
- Sponsor
- GlaxoSmithKline
Intrinsic Asthma, Allergic Asthma
The Long-term Prognosis of Moderate to Severe Bronchial Hyperresponsiveness (BHR) in Asthmatic Preschool Children
The aim of investigator´s clinical trial is to investigate 52 patients aged three to five years with viral-induced asthma and 52 patients aged three to five years with allergic asthma.
- Conditions
- Intrinsic Asthma, Allergic Asthma, Allergy, Bronchial Hyperresponsiveness
- Trial name
- BHR (NCT01144910)
- Testing
- methacholine challenge test
- Where
- Germany
- Sponsor
- Johann Wolfgang Goethe University Hospital