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Small airway nitric oxide test to predict acute exacerbation in stable COPD patients: a case-control study

Small airway nitric oxide test to predict acute exacerbation in stable COPD patients: a case-control study

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200062095
Enrollment
Unknown
Registered
2022-07-21
Start date
2022-07-20
Completion date
Unknown
Last updated
2023-04-03

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

Conditions

chronic obstructive pulmonary disease (COPD)

Interventions

case group:NO
Control group:NO

Sponsors

The First Affiliated Hospital Xi'an Jiaotong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Health checkup 1. Physical examinees who have not been diagnosed with COPD or other respiratory diseases in outpatient or physical examination centers; 2. Complete lung function and exhaled nitric oxide breath measurement; 3. Not involved in other studies; 4. The subjects themselves and their families sign the informed consent form; Patients with COPD 1. Patients diagnosed with stable chronic obstructive pulmonary disease; 2. There was =1 acute exacerbation history in the previous year; 3. Complete the measurement of lung function and exhaled nitric oxide; 4. Not involved in other studies; 5. The subjects themselves and their families sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. In the acute exacerbation of chronic obstructive pulmonary disease; 2. COPD patients can't cooperate with lung function and other related examinations; 3. COPD patients in stable stage complicated with other respiratory diseases (such as asthma, lung cancer, bronchiectasis, etc.).

Design outcomes

Primary

MeasureTime frame
Exhaled nitric oxide;

Secondary

MeasureTime frame
pulmonary function;Routine blood test;COPD assessment test(CAT score);

Countries

China

Contacts

Public ContactShi Zhihong

The First Affiliated Hospital Xi'an Jiaotong University

docszh@163.com+86 18991232195

Outcome results

None listed

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