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Retrospective study of treatment and prognosis of cough predominant occupational asthma

Retrospective study of treatment and prognosis of cough predominant occupational asthma

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-RRC-17011690
Enrollment
Unknown
Registered
2017-06-19
Start date
2017-06-19
Completion date
Unknown
Last updated
2017-07-03

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

Conditions

Asthma

Interventions

cough predominant occupational asthma:none
cough predominant asthma with no relation to occupation:none

Sponsors

Second Affiliated Hospital, Zhejiang University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: (1) Aged>18 years old, no limitation of sex and race; (2) Diagnosis of asthma according to guideline and cough as the main clinical manifestation or diagnosis of CVA according to guideline; (3) Have a history of occupational exposure; (4) Subjects voluntarily signed written informed consent.

Exclusion criteria

Exclusion criteria: Asthma is in acute episodes; 8 weeks before the history of acute respiratory infections or acute infection of acute infection; With community-acquired pneumonia, lung cancer.

Design outcomes

Primary

MeasureTime frame
lung function;asthma related questionnaire;LCQ score;Induced phlegm;VAS score;—

Countries

China

Contacts

Public ContactLi Wen

Second Affiliated Hospital, Zhejiang University School of Medicine

liwenzjhz0408@163.com+86 0571-88981915

Outcome results

None listed

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