Clinical trials: Bronchial Hyperresponsiveness
Hyperreactive Airway Disease
Methacholine Challenge Test (MCT) in Healthy Adults
Knowledge of Methacholine Challenge Test (MCT) and impedance Oscillometry (IOS) is limited. Only three studies have included adult patients, and none of these with healthy controls.
- Trial name
- NCT06509659
- Testing
- Methacholine Challenge Test
- Where
- Denmark
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Allergi- og Lungeklinikken, Elsinore
Bronchial Hyperreactivity, Hypersensitivity
Influence of Nutrition on Nasal and Bronchial Affliction in Patients With Allergy on Grass-Pollen
The study is meant to observe the influence of nutrition on nasal and bronchial discomfort in patients with allergy on grass pollen after specific bronchial provocation.
- Conditions
- Bronchial Hyperreactivity, Hypersensitivity, Allergy, Bronchial Asthma
- Trial name
- NCT00519740
- Testing
- inhalative specific bronchial provocation with grass-pollen
- Where
- Germany
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
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
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
Primary Ciliary Dyskinesia, Healthy
Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia
The purpose of this study is to look at children with PCD and see if they have another condition called "bronchial hyperresponsiveness".
- Trial name
- BHR (NCT07288827)
- Testing
- Lung Function Testing, Phlebotomy, Allergy skin prick testing
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Indiana University
Bronchitis
Functional Implications of TNF
The research plan proposes to develop translational studies in humans that will identify host susceptibility factors that confer vulnerability to the prototypal air pollutant, ozone.
- Trial name
- NCT00729131
- Testing
- Etanercept inhibition of ozone-induced airway hyper-responsiveness.
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
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, Airway Hyperresponsiveness
Airway Dysfunction and Remodelling in Athletes Following Swimming Training in Chlorinated Pools
Swimmers show the highest prevalence of asthma among elite athletes, certainly due to chlorine exposure. The consequences of a chronic exposure to chlorine compounds by swimmers and the mechanisms of asthme in this population are…
- Trial name
- proto nage (NCT00686452)
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Laval University
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
Asthma, Dermatitis, Atopic
A Long-Term Examination of Asthma From Childhood Through Adolescence
Asthma is a common disease that is often diagnosed in childhood. In some teenagers, asthma symptoms disappear and treatment can be stopped; however, for some of these people, asthma symptoms return in adulthood.
- Conditions
- Asthma, Dermatitis, Atopic, Rhinitis, Urticaria
- Trial name
- NCT00541255
- Where
- United Kingdom
- Volunteers
- 1,313 people, healthy volunteers welcome
- Sponsor
- Isle of Wight NHS Trust
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 (Diagnosis), Airway Inflammation
Can Astaxanthin Help Manage Asthma in POlluted Areas?
This study will test whether astaxanthin, a naturally occurring antioxidant supplement, can improve lung function, reduce airway inflammation, and improve asthma control in adults with mild-to-moderate asthma.
- Conditions
- Asthma (Diagnosis), Airway Inflammation, Airway Hyperresponsiveness
- Trial name
- NCT07507682
- Testing
- Astaxanthin Oral Capsule
- Where
- United Kingdom
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Middlesex University
Asthma
The Effect of Anti-IL17 on Airway Hyperresponsiveness and Resistance
This observational longitudinal cohort study aims to assess the effect of monoclonal antibodies targeting interleukin 17 (anti-IL-17) on airway hyperreactivity and airway resistance.
- Trial name
- NCT06224634
- Where
- Denmark
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Hvidovre
Bronchial Hyperreactivity, Inhalant Use
Contrasting Dosivent With Plus Flow Vu Spacer in Bronchial Hyperreactivity Participants
This study aims to compare the efficacy, as measured by changes in forced expiratory volume in the first second (FEV1) and forced vital capacity (FVC), of salbutamol inhaled with the Dosivent® chamber versus the widely used…
- Trial name
- NCT05821868
- Testing
- Dosivent, Aerochamber Plus Flow Vu
- Where
- Spain
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hospital General Universitario Gregorio Marañon
Asthma, Airway Hyperresponsiveness
Bronchospasm Associated With High Nitric Oxide
Intraoperative bronchospasm challenges anesthesia's safety. This study aims to investigate high concentration of exhaled nitric oxide as a marker of intraoperative bronchospasm.
- Trial name
- NCT00666510
- Where
- Brazil
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Rhinitis, Asthma
Airway Inflammation and Bronchial Hyperresponsiveness in Rhinitic Children With or Without Asthma
This is a prospective observational study , to clarity the characteristics of airway inflammation, airway reactivity and airway resistance in rhinitic children with or without asthma and to explore the possible predictors in the…
- Conditions
- Rhinitis, Asthma, Inflammation, Hypersensitivity
- Trial name
- NCT02360072
- Where
- China
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Guangzhou Institute of Respiratory Disease
Asthma, Airway Hyperresponsiveness
Small Airways Disease in Asymptomatic and Symptomatic Subjects With Airway Hyperresponsiveness (AHR)
The purpose of this study is to study differences in small airways (<2mm) parameters in asthma patients, subjects with asymptomatic airway hyperresponsiveness and healthy controls.
- Trial name
- ABHR (NCT01549483)
- Where
- Netherlands
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
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
Asthma, Chronic Obstructive Pulmonary Disease
Towards Restoring the Physiological Inhibition of Airway Narrowing in Asthma
Asthma and COPD are characterized by airway narrowing. The most potent, physiological mechanism leading to bronchodilation is taking a deep inspiration.
- Trial name
- NCT00279136
- Where
- Netherlands
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
Bronchial Hyperreactivity, Bronchial Asthma
Comparison of Two Methods of Bronchial Methacholine Provocation
This study is meant to compare two routine diagnostic approaches in patients with bronchial asthma. Patients are challenged with methacholine in order to measure their bronchial response.
- Trial name
- NCT00503659
- Testing
- Bronchial methacholine provocation
- Where
- Germany
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital