312
Participants
Start Date
September 1, 2021
Primary Completion Date
June 30, 2022
Study Completion Date
July 31, 2022
single administration of low dose polyethylene glycol
"Patients in single administration of low dose polyethylene glycol (PEG) group: Take 30ml lactulose and 2L PEG.~Patients in control group: Take 4L PEG."
Beijing Tongren Hospital, Beijing
Beijing Tongren Hospital
OTHER