72
Participants
Start Date
July 31, 2024
Primary Completion Date
July 31, 2025
Study Completion Date
December 31, 2025
Recombinant Human Chymotrypsin(OsrhCT)
Recombinant Human Chymotrypsin (OsrhCT), provided by Wuhan Healthgen Biotechnology Corporation, 4,000U/vial, freeze-dried powder, 20ml of the prepared drug will be injected into the thoracic cavity through a chest tube.
Placebo for Recombinant Human Chymotrypsin(OsrhCT)
Placebo for Recombinant Human Chymotrypsin (OsrhCT), provided by Wuhan Healthgen Biotechnology Corporation, freeze-dried powder, stored at 2-8°C.
Anhui Chest Hospital, Hefei
Changsha Central Hospital, Changsha
Wuhan Pulmonary Hospital, Wuhan
Shenzhen Third People's Hospital, Shenzhen
Lead Sponsor
Healthgen Biotechnology Corp.
INDUSTRY