Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 5:35 PM
Ignite Modification Date:
2025-12-24 @ 5:35 PM
NCT ID:
NCT01414868
Eligibility Criteria:
Inclusion Criteria:
* subjects aged between 18 and 65，without acute upper respiratory tract infection for the past 2 weeks
* had a normal chest radiographic result
* had a baseline spirometry with the forced expiratory volume in one second (FEV1) of not less than 60% predicted
* had withheld leukotriene receptor antagonists (LTRA) for over 5 days
* oral glucocorticosteroid or anti-histamine for 3 days
* oral xanthenes or long-acting bronchodilators for 2 days
* inhaled corticosteroid or long-acting bronchodilator for a day as well as short-acting bronchodilator for 4 hours prior to the measurement
Exclusion Criteria:
* subjects had a fall of no less than 15% in FEV1 after repetitive forced respiration or a fall of no less than 20% in FEV1 after the inhalation of ethanol diluent control
* had a past confirmed history of respiratory disease other than bronchial asthma (COPD, bronchiectasis, pulmonary thromboembolism, etc.) or other severe systemic disease（myocardial infarction, malignant tumor, etc.）
* had a poor cooperation to the test or limited understandings, were immunocompromised, or had participated other clinical trials for the past 3 months.
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
18 Years
Maximum Age:
65 Years
Study:
NCT01414868
Study Brief:
Protocol Section:
NCT01414868