Clinical trial Recruiting at 2 sites Observational Ages 35 to 75

Observing lung health in early COPD patients

Official title: Lung Health of Early Chronic Obstructive Pulmonary Disease: A Multi-center Cohort Study

Run by China-Japan Friendship Hospital · NCT05466396 · Data updated 2026-11-12

This study looks at how lung health changes in people with early COPD and how smoking and other factors might affect that decline.

Quick facts

Study typeObservational
Ages35 Years to 75 Years
SexAll
Enrollment1550 (estimated)
SponsorChina-Japan Friendship Hospital
Academic / other
Locations2 sites (Beijing, Beijing Municipality and 1 other locations)
StatusRecruiting
StartedAugust 1, 2022
Main results expectedDecember 30, 2026
Study endsDecember 31, 2027
Registry record updatedFebruary 17, 2025
Trial IDNCT05466396 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals aged 35-75 with early COPD characterized by specific spirometry results.

Probably not a fit

Patients with other significant lung diseases or conditions that could affect lung function may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This multi-center, prospective cohort study focuses on patients with early Chronic Obstructive Pulmonary Disease (COPD). It aims to investigate the decline in lung function and its relationship with smoking and other risk factors. The study will analyze various biomarkers and imaging results from chest CT scans to better understand lung health in these patients. By gathering data from multiple centers, the study seeks to provide a comprehensive view of early COPD progression.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and management of early COPD, potentially enhancing patient outcomes.

How similar studies have gone: While there have been studies on COPD, this specific approach focusing on early COPD and its risk factors is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Gender: male or female
2. Age: 35-75 years old
3. post-bronchodilator spirometry: FEV1/FVC \< 0.8 and FEV1%pred ≥80%

Exclusion Criteria:

1. Other diseases may affect lung function, like lung cancer, bronchiectasis, interstitial lung disease or chest surgery.
2. BMI \> 35 kg/m2
3. Dementia or other severe neurological disease
4. Pregnancy
5. Conditions that contraindicated lung function test

Where it's running

  • China-Japan Friendship Hospital
    Beijing, Beijing Municipality, China
    Recruiting
  • Affiliated Hospital of Zunyi Medical University
    Zunyi, Guizhou, China
    Recruiting

Study contacts

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.