150
Participants
Start Date
May 8, 2021
Primary Completion Date
April 30, 2025
Study Completion Date
July 30, 2025
Vitamin D3 4000 IU
Oral administration, 2 tablet per time, qd, oral administration with the first meal, continuous use for 48 weeks
Vitamin D3 2000 IU
Oral administration, 1 tablet of each per time, qd, oral administration with the first meal, continuous use for 48 weeks
Placebo
Oral administration, 2 tablet per time, qd, oral administration with the first meal, continuous use for 48 weeks
standard antibiotic therapy
standard antibiotic therapy
RECRUITING
Zhejiang Provincial People's Hospital, Hangzhou
RECRUITING
The First Affiliated Hospital of Xi 'an Jiaotong University, Xi'an
RECRUITING
Shanghai Oriental Hospital, Shanghai
RECRUITING
The Fifth People's Hospital, Shanghai, Shanghai
RECRUITING
Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine,Chongming Branch, Shanghai
RECRUITING
Sichuan Provincial People's Hospital, Chengdu
Zensun Sci. & Tech. Co., Ltd.
INDUSTRY