The impact of Helicobacter pylori infection on gut microbiota in populations at different altitudes

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2400089910

Enrollment

Unknown

Registered

2024-09-19

Start date

2024-09-20

Completion date

Unknown

Last updated

2024-09-23

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

Conditions

None

Interventions

High altitude uninfected group:None

High altitude Helicobacter pylori infection group:None

Plain uninfected group:None

Plain Helicobacter pylori infection group:None

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: ?Adults (aged = 18), male or female not limited;?Helicobacter pylori infection group: carbon-13 urea breath test positive; Uninfected group: Negative carbon-13 urea breath test; ?Previously not receiving eradication treatment for Helicobacter pylori;?Residential altitude = 2000 meters or = 1000 meters.

Exclusion criteria

Exclusion criteria: ? Used PPI, P-CAB, H2 receptor antagonists, antibiotics, bismuth supplements, probiotic preparations, and other medications within 8 weeks prior to treatment; ? Received colonoscopy, used laxatives, or had a history of acute gastroenteritis within 4 weeks prior to treatment; ? Previous history of gastrointestinal surgery; ? There are serious accompanying diseases or malignant tumors; ? Pregnant or lactating women; ? Those who cannot sign informed consent forms.

Design outcomes

Primary

Measure	Time frame
gut microbiota ;	—

Countries

China

Contacts

Public ContactLan Chunhui

The Third Affiliated Hospital of Amy Military Medical University

lanchunhui@tmmu.edu.cn+86 138 9606 7955

Outcome results

None listed

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