Clinical trials: Exhaled Nitric Oxide
OSA
Fractional Exhaled Nitric Oxide and CRP Levels in Egyptian Patients With Obstructive Sleep Apnea Syndrome
Obstructive sleep apnea syndrome (OSAS) was associated with upper and lower respiratory tract inflammation, Fractional exhaled nitric oxide (FeNO) proposed as a marker of airway inflammation, few studies were done on the impact…
- Trial name
- NCT04179942
- Testing
- Fractional exhaled nitric oxide and CRP levels
- Where
- Egypt
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Inflammatory Bowel Disease
Respiratory Tract Inflammation in Children With Inflammatory Bowel Disease (IBD)
The purpose of this study is to determine whether inflammatory bowel disease in children involve the respiratory tract as expressed by increased levels of the Fraction of exhaled Nitric Oxide (FeNO) and spirometry.
- Trial name
- NCT01000272
- Where
- Israel
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
RSV Infection, Bronchiolitis
Exhaled Nitric Oxide in Respiratory Syncytial Virus (RSV) Bronchiolitis: a Pilot Study
The fraction of exhaled nitric oxide (feNO) in expired air is a reliable measure of airway inflammation. Some research experiments have demonstrated stimulation of nitric oxide production in respiratory epithelial cells infected…
- Trial name
- NCT01090557
- Testing
- Collection of exhaled breath
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Winthrop University Hospital
Normal Non-fluency
Measurements of Exhaled Nitric Oxide in Healthy Subjects in Thailand
The purpose of this study is to determine fractional exhaled nitric oxide (FeNO) level in healthy subjects among Thai populations.
- Trial name
- FeNO_nor (NCT02554617)
- Where
- Thailand
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Airway Morbidity, Cognitive and Attention Disorders and Disturbances
Short-term Health Benefits of Using Fresh Air Filtration System in Classroom
A randomized crossover trial will be conducted in 90 primary school children in 3 classrooms in Shanghai, China. The effects of fresh air ventilation/filtration system, fresh air ventilation system with no filtration and natual…
- Conditions
- Airway Morbidity, Cognitive and Attention Disorders and Disturbances, Oxidative Stress
- Trial name
- NCT03788330
- Testing
- Fresh air system with filtration
- Where
- China
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Fudan University
E Cigarette Use
Circuit Breathing Exercise on Smoking Cessation Among Youth E-Cigarette Users
This study aims to investigate the acute effects of a circuit breathing intervention on nicotine withdrawal symptoms and respiratory parameters among youth who use e-cigarettes.
- Trial name
- NCT07886099
- Testing
- Circuit breathing, Diaphragmatic Breathing, Normal Breathing Condition
- Where
- Thailand
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Asthma
Evaluation of an Asthma Treatment Strategy Based on Exhaled Nitric Oxide Measurements in Adolescents
The purpose of ICAC-01 is to determine whether an asthma treatment strategy that measures exhaled nitric oxide (eNO) to indicate disease progression is more effective in treating asthma symptoms when combined with existing asthma…
- Trial name
- NCT00114413
- Testing
- Inhaled corticosteroids, eNO measurement
- Where
- 12 sites in United States
- Volunteers
- 547 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Asthma
Early Diagnosis of Asthma in Young Children
The overall aim of the study is an early asthma diagnosis in young children by the use of non-invasive biomarkers of airway inflammation /oxidative stress in exhaled air, and early lung function measurements
- Trial name
- NCT00422747
- Testing
- beclomethasondipropionate
- Where
- Netherlands
- Volunteers
- 202 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Asthma
A Longitudinal Study of Exhaled Nitric Oxide in Children
Five percent of children in the UK are prescribed steroid inhalers to control asthma symptoms but there is no test to determine whether the dose of steroids is correct.
- Trial name
- LENOS (NCT00991874)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Allergic Asthma, Bronchial Inflammation
Fish Oil and Asthma in House Dust Mite Allergy
Native populations consuming high amounts of fish suffer less from allergic diseases. The purpose of this study is to determine whether polyunsaturated fatty acids (fish oil) might have a disease modifying influence on asthmatics…
- Conditions
- Allergic Asthma, Bronchial Inflammation, House Dust Mite Allergy
- Trial name
- NCT00380926
- Testing
- polyunsatturated fatty acids (fish oil)
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
Cystic Fibrosis, Healthy
Utilizing Exhaled Breathe Condensate Collection to Study Ion Regulation in Cystic Fibrosis
Our aims were to determine if exhaled breath condensate (EBC) could detect differences in ion regulation between cystic fibrosis (CF) and healthy and measure the effect of the albuterol on EBC ions in these populations.
- Trial name
- NCT01880723
- Testing
- Albuterol
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Air Pollution Exposure, Oxidative Stress
Savannah Environmental Nutrition Study (SENS): Nutrition Intervention to Reduce Air Pollution-Related Airway Inflammation and Oxidative Stress
This pilot clinical trial will evaluate the feasibility and potential health effects of a nutrition-based intervention among adults living in communities affected by air pollution near the Port of Savannah, Georgia.
- Conditions
- Air Pollution Exposure, Oxidative Stress, Airway Inflammation
- Trial name
- NCT07797413
- Testing
- Antioxidant- and Nutrient-Rich Food-Based Nutrition Intervention
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Georgia Southern University
Asthma, Healthy
Inflammatory Markers in Exhaled Breath (Condensate) in Childhood Asthma
Background: Exhaled nitric oxide and inflammatory biomarkers in exhaled breath condensate may be useful to diagnose and monitor childhood asthma.
- Conditions
- Asthma, Healthy, Children
- Trial name
- NCT00404976
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Respiratory Tract Infections, Cold Symptoms
Beetroot Juice NO Cold Study
Currently, there is a lack of evidence-based prevention strategies for respiratory infection and management of these conditions can be costly to the public.
- Conditions
- Respiratory Tract Infections, Cold Symptoms, Exhaled Nitric Oxide
- Trial name
- NCS (NCT06416228)
- Testing
- Beetroot juice
- Where
- 2 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Southern Methodist University
Obstructive Ventilatory Disorders
Study of Chronic Exposure of the Population Living on the Atlantic Coast and on the Caribbean Coast, in Martinique, During the Stranding Period and Outside the Stranding Period of Sargassum Seaweeds
Sargassum are pelagic brown sea algae. Two species grow on the surface of the ocean and drift freely with ocean currents in the form of slicks: the pelagic Sargassum fluitans and Sargassum natans.
- Trial name
- SÉSAR (NCT05564546)
- Testing
- FeNO (fractional exhaled nitric oxide), Spirometry, Physical examination
- Where
- France
- Volunteers
- 173 people, healthy volunteers welcome
- Sponsor
- University Hospital Center of Martinique
COPD
Evaluation Inhaled Corticosteroids on Exhaled Nitric Oxide Gas Exchange
To evaluate the role of inhaled corticosteroids to suppress nitric oxide gas exchange in stable patients with moderate-to-severe COPD who are current non-smokers and not on oral corticosteroids.
- Trial name
- NCT00568347
- Testing
- fluticasone 100mcg/ salmeterol 50mcg, fluticasone 250/salmeterol 50, salmeterol
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Arthur F Gelb MD
Airway Disease
Nitrate Supplementation During Final Examination Stress
The purpose of the present study is to explore the effects of a dietary nitrate supplement on immunity, mood, cardiovascular activity, and lung function during and following final exam stress in both healthy and asthmatic…
- Trial name
- NCT03159273
- Testing
- Beetroot Juice Group
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Southern Methodist University
Cystic Fibrosis
Non-Invasive Biomarkers in Cystic Fibrosis
Background Chronic airway inflammation is present in cystic fibrosis. Non-invasive inflammometry may be useful in disease management.
- Trial name
- NCT00413140
- Where
- 4 sites in Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Obstructive Sleep Apnea (OSA)
Fractional Exhaled Nitric Oxide as Possible Non - Invasive Biomarker to Assess Obstructive Sleep Apnea Severity
Aim of work 1. Primary aim: Asses correlation between FeNO level, OSA severity 2. Secondary aim: Clarifying FeNO's role as a biomarker to assess airway inflammation, Cut off value prediction to moderate and severe OSA and its…
- Trial name
- NCT07606898
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tanta University
Pulse Spectrum Analysis, Pulmonary Function
Pulse Spectrum Analysis in Adult Asthmatics: Correlation With Lung Function, Asthma Control Exhaled Nitric Oxide and Metabolites in Exhaled Breath Condensate
Our hypothesis is that radial arterial pulse may reflect the severity and airway function in asthmatics. The aims of this study are to investigate the pulse spectrim of the radial artery in adult asthmatics, and evaluate its…
- Conditions
- Pulse Spectrum Analysis, Pulmonary Function, FeNO, Metabolites
- Trial name
- NCT01719393
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital