China Gastrointestinal Tract Microbiome Initiative

The Role of Upper Gastrointestinal Microbiome in Digestive System Disease: A Prospective Cohort Study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900024443

Enrollment

Unknown

Registered

2019-07-12

Start date

2019-08-01

Completion date

Unknown

Last updated

2019-07-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Digestive system disease

Interventions

general population:No intervention

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1) Adults aged >18 years old; 2) live in their household for more than 6 months before the investigation; 3) Sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1) Contraindication for endoscopy; 2) Women who are pregnant; 3) currently undergoing chemotherapy or radiation therapy; 4) unable to participate because of critical illness, disability or hospitalization; 5) Antibiotic or probiotics use within the past one month; 6) Proton pump inhibitors use with the past one month.

Design outcomes

Primary

Measure	Time frame
Digestive tract microflora;	—

Countries

China

Contacts

Public ContactWenqiang Wei

Cancer Hospital, Chinese Academy of Medical Sciences

weiwq@cicams.ac.cn+86 010-87788661

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026