170
Participants
Start Date
November 1, 2017
Primary Completion Date
October 1, 2021
Study Completion Date
October 1, 2021
N-Acetylcysteine
50mg/Kg.d, oral
Placebo Oral Tablet
50mg/Kg.d, oral
The First affiliated Hospital of SooChow University, Suzhou
The First Affiliated Hospital of Soochow University
OTHER