300
Participants
Start Date
June 11, 2024
Primary Completion Date
June 10, 2026
Study Completion Date
December 10, 2026
Urea beath test (UBT)
H. pylori infection will be tested using a 13C-urea breath test Kit for all enrolled family members, following the manufacturer's instructions. The sensitivity and specificity of the assay are both over 95%, according to the manufacturer's introduction.
Chinese University of Hong Kong
OTHER