1,032
Participants
Start Date
May 31, 2015
Primary Completion Date
January 31, 2017
Study Completion Date
November 30, 2017
in vitro diagnostic test (Peptest)
saliva samples obtained and tested in laboratory conditions for the presence of pepsin using Peptest
Questionnaire
all recruited subjects to complete the RDQ as a determinant of inclusion criteria
Questionnaire
control subjects to complete RSI as a determinant of inclusion criteria
Beijing Jishuitan Hospital, Beijing
Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing
Huadong Hospital afflicted to Fudan University, Shanghai
Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai
Ruijin Hospital, School of Medicine, Shanghai Jiaotong University,, Shanghai
Shanghai East Hospital Affiliated to Tongji University, Shanghai
The Shanghai Tenth People's Hospital of Tongji University, Shanghai
Tongji Hospital, Tongji University School of Medicine, Shanghai
Zhongshan Hospital, Fudan University, Shanghai
RD Biomed Ltd
UNKNOWN
MAAB (Shanghai) Medical Device Limited
INDUSTRY