[Translation] A randomized, open, positive-controlled, single-dose, three-period, crossover pharmacodynamic exploratory study of JW2202 inhalation powder in the treatment of chronic obstructive pulmonary disease (COPD)
主要目的:研究慢性阻塞性肺疾病(COPD)患者不同周期单次经口吸入不同剂量的JW2202吸入粉雾剂的支气管扩张效应,通过随机、开放、阳性对照、单次给药、三周期、交叉的设计,探索JW2202吸入粉雾剂在COPD患者中的有效性。
次要目的:观察JW2202吸入粉雾剂在COPD患者中的安全性。
[Translation] Primary purpose: To study the bronchodilator effect of different doses of JW2202 inhalation powder in different periods of single oral inhalation in patients with chronic obstructive pulmonary disease (COPD), and to explore the effectiveness of JW2202 inhalation powder in COPD patients through a randomized, open, positive control, single-dose, three-period, crossover design.
Secondary purpose: To observe the safety of JW2202 inhalation powder in COPD patients.