Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Tongji Hospital
Age
18–70
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
Group A:
Male and female subjects between the ages of 18 and 70 years
No respiratory symptoms
Normal spirometric value and methacholine PD20 \>2.5mg
Group B:
Male and female subjects between the ages of 18 and 70 years
History of asthma
No use of oral or inhaled corticosteroids for the treatment of asthma
No use of leukotriene antagonist for the treatment of asthma
Hyperreactivity to methacholine (PD20 FEV1 Methacholine \< 2.5 mg) and/or ≥12% increase in FEV1 following inhalation of 200μg salbutamol
Asthma symptoms of episodic cough, wheeze and/or breathlessness
You may not be if
Current or former smokers
Pregnant women
Subjects with a history of lung disease other than asthma
Subjects with a history of a medical disease, which in the opinion of the investigator may put the subject at extra risk from study-related procedures or because the disease may influence the results of the study
