Status:
COMPLETED
Level of FeNO in Chinese Asthma Patients
Lead Sponsor:
Chinese University of Hong Kong
Conditions:
Asthma
Eligibility:
All Genders
18+ years
Brief Summary
This study aims to assess the level of FeNO in Chinese asthma patients with respect to the different levels of asthma control over 1 year.
Detailed Description
Introduction Measurement of fractional nitric oxide (NO) concentration in exhaled breath (FeNO) has been shown to be a non-invasive, quantitative biomarker related to airway inflammation. Although the...
Eligibility Criteria
Inclusion
- Chinese subjects aged between 18 and 90 years, and
- Have a diagnosis of asthma according to The Global Initiative for Asthma (GINA) guideline 2019. Asthma is defined as those with a consistent history and prior documented evidence of variable airflow obstruction, with evidence of an increase in FEV1 greater than 12% or 200 mL following bronchodilator or bronchial hyperresponsiveness on bronchial provocation testing, when stable.
Exclusion
- Patients with respiratory diseases with other known respiratory diseases including chronic obstructive pulmonary disease, bronchiectasis, tuberculosis (TB)-destroyed lung parenchyma, history of lung resection and lung cancer
- Individuals older than 40 years with a smoking history of more than 10 pack-years
- Patients currently randomized in other clinical studies
- Pregnant women
Key Trial Info
Start Date :
October 15 2019
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
December 31 2022
Estimated Enrollment :
132 Patients enrolled
Trial Details
Trial ID
NCT04125316
Start Date
October 15 2019
End Date
December 31 2022
Last Update
February 8 2023
Active Locations (1)
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1
The Chinese University of Hong Kong
Hong Kong, Hong Kong