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Epidemiological study on clinical characteristics and prognosis of suspected asthma

Epidemiological study on clinical characteristics and prognosis of suspected asthma

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100052949
Enrollment
Unknown
Registered
2021-11-06
Start date
2015-05-01
Completion date
Unknown
Last updated
2024-07-08

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

Conditions

Bronchial asthma

Interventions

case series:None

Sponsors

Guangdong Provincial Hospital of Traditional Chinese Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
6 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Aged above 6 years, both men and women; 2. Had at least one of these symptoms: cough, shortness of breath, wheezing or chest tightness; 3. Suspected positive results of bronchial provocation test or bronchodilation test; 4. Have signed an informed consent.

Exclusion criteria

Exclusion criteria: 1.Previously diagnosed as bronchial asthma; 2.Acute respiratory infection or acute attack of chronic infection occurred in the last one week; 3.Combined with active pulmonary tuberculosis, pneumonia,lung cancer,bronchiectasia disease and other lung diseases; 4.Unable to cooperate with the investigation of this study; 5.Combined with imaging abnormalities suggest organic lung disease.

Design outcomes

Primary

MeasureTime frame
Incidence of asthma;

Secondary

MeasureTime frame
The negative rate of suspected asthma;The effective rate of symptomatic improvement;Risk factors;Assessment of airway responsiveness;clinical features;

Countries

China

Contacts

Public ContactChen Yuanbin

Guangdong Provincial Hospital of Traditional Chinese Medicine

chenyuanbin110@163.com+86 159 2017 4645

Outcome results

None listed

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