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Multi-center Prospective Observation of Gut-Respiratory Microbiota Dynamics and Clinical Outcomes in AECOPD Patients

Multi-center Prospective Observation of Gut-Respiratory Microbiota Dynamics and Clinical Outcomes in AECOPD Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500109680
Enrollment
Unknown
Registered
2025-09-23
Start date
2025-09-25
Completion date
Unknown
Last updated
2025-09-29

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

Conditions

AECOPD

Interventions

healthy control group:None

Sponsors

The Second Affiliated Hospital of Guangzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 80 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria for the AECOPD group: meeting the GOLD 2025 diagnostic criteria for AECOPD; aged 40-80 years, with a smoking history of >=10 pack-years; not having used antibiotics or probiotics in the past 7 days; completing baseline sampling before the administration of antibiotics after admission. Healthy control group: aged 40-80 years; gender distribution similar to that of the AECOPD group; no antibiotic or probiotic use within the past 7 days.

Exclusion criteria

Exclusion criteria: Exclusion criteria for the AECOPD group: history of digestive tract diseases. Exclusion criteria for the healthy control group: individuals with respiratory or digestive system diseases.

Design outcomes

Primary

MeasureTime frame
Respiratory microbiota;gut microbiota;Number of acute exacerbations;Number of readmissions;Survival status;

Secondary

MeasureTime frame
length of hospital stay;hospitalization expenses;Treatment response;CAT score;mMRC score;pulmonary function;Chest CT;

Countries

China

Contacts

Public ContactHe Mengzhang

The Second Affiliated Hospital of Guangzhou Medical University

he01ng@163.com+86 136 0048 6496

Outcome results

None listed

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