Etiology of acute exacerbations of chronic obstructive pulmonary disease

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000040976

Enrollment

Unknown

Registered

2020-12-16

Start date

2020-12-01

Completion date

Unknown

Last updated

2021-04-12

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

Conditions

chronic obstructive pulmonary disease

Interventions

case series:Nil

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Aged >= 18 years; 2.The primary cause of hospitalization was confirmed or suspected acute exacerbations of chronic obstructive pulmonary disease; 3.onset time <= 7 days, admission time <= 48 hours.

Exclusion criteria

Exclusion criteria: 1.Subjects who refuse to sign informed consent; 2.Subjects who are participating in other clinical trials or intervention studies.

Design outcomes

Primary

Measure	Time frame
Etiology;	—

Countries

China

Contacts

Public ContactXiXin Yan

The Second Hospital of Hebei Medical University

xi_xin_yan@163.com+86 15803210959

Outcome results

None listed

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