20
Participants
Start Date
January 6, 2023
Primary Completion Date
May 30, 2024
Study Completion Date
December 25, 2024
Microbiome Profiling and Symptom Assessment
"GERD symptom assessment: Standardized GERD-Q questionnaire to evaluate reflux symptoms (heartburn, acid regurgitation) and high-risk behaviors.~Microbiome analysis: 16S rDNA sequencing of upper gastrointestinal and intratumoral microbiota."
Beijing Haidian Hospital, Beijing
Beijing Haidian Hospital
OTHER