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Distinguish the clinical features and prognosis of asthma - COPD overlap syndrome from the primary disease

Distinguish the clinical features and prognosis of asthma - COPD overlap syndrome from the primary disease

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800015112
Enrollment
Unknown
Registered
2018-03-08
Start date
2017-03-01
Completion date
Unknown
Last updated
2018-03-12

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

Conditions

asthma - COPD overlap syndrome

Interventions

COPD group:none
Asthma group:none
COPD-asthma group:none
Asthma-COPD group:none
Healthy control group:none

Sponsors

Guangzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
35 Years to 75 Years

Inclusion criteria

Inclusion criteria: (1) signing a written informed consent; (2) use regular medication before the screening period; (3) aged 35 to 75 years during the screening period; (4) the patient was in a stable condition, and there was no acute exacerbation in the last four weeks; (5) to ensure that the research was carried out smoothly, female subjects were given birth control during the follow-up period.

Exclusion criteria

Exclusion criteria: (1) patients are not willing to cooperate and follow up; (2) pregnancy; (3) there was a history of epilepsy.

Design outcomes

Primary

MeasureTime frame
pulmonary function;—

Countries

China

Contacts

Public ContactPeiran Chen

Guangzhou Medical University

852081191@qq.com+86 15622207085

Outcome results

None listed

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