248
Participants
Start Date
June 30, 2014
Primary Completion Date
December 31, 2017
Study Completion Date
April 30, 2018
Glucocorticoids
Antibiotics
Inhaled corticosteroid (ICS)
Long-Acting Muscarinic Antagonists(LAMA)
Short-acting beta2-agonist (SABA)
Physical treatments
long-acting beta2-agonist (LABA)
Daping Hospital, Chongqing
Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
OTHER