1,440
Participants
Start Date
September 20, 2017
Primary Completion Date
October 1, 2025
Study Completion Date
December 31, 2025
triple therapy
Omeprazole+Amoxicillin+Clarithromycin
sequential therapy
the first 7 days : Omeprazole+Amoxicillin, the last 7 days: Omeprazole+Clarithromycin+Metronidazole
bismuth quadruple therapy
Omeprazole+Amoxicillin+Metronidazole+Colloidal Bismuth Subcitrate
concomitant therapy
Omeprazole+Amoxicillin+Clarithromycin+Metronidazole
RECRUITING
Children's hospital of Fudan university, Shanghai
Guangzhou Women and Children's Medical Center
OTHER
The Children's Hospital of Zhejiang University School of Medicine
OTHER
Beijing Children's Hospital
OTHER
Tang-Du Hospital
OTHER
Ying HUANG
OTHER