COPD Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
For people with COPD:
- Adults aged 30 to 80 years old who have been diagnosed with COPD according to 2023 international guidelines, confirmed by a breathing test showing reduced airflow even after using a bronchodilator (airway-opening) medication
- People whose COPD ranges from mild to extremely severe (all severity levels may be considered)
- People who are willing and able to sign a consent form agreeing to take part
- People who are able to hold still for a chest X-ray session lasting 20 seconds, which involves breathing calmly, breathing hard, and holding their breath for at least 7 seconds
For people without lung disease (the "normal" comparison group):
- Adults aged 30 to 80 years old with normal lung function
- People who have no known chronic airway diseases such as COPD, asthma, or bronchiectasis
- People who are willing and able to sign a consent form agreeing to take part
- People who are able to hold still for a chest X-ray session lasting 20 seconds, which involves breathing calmly, breathing hard, and holding their breath for at least 7 seconds
Who may not be able to join:
For people with COPD:
- People who have a history of cancer, lung surgery, pneumonia, active tuberculosis, or severe bronchiectasis
- People who have a muscle-related condition such as myasthenia gravis, or a condition that causes significant muscle loss, such as severe overactive thyroid or advanced cancer
- Women who are pregnant or breastfeeding
- People who have had significant radiation exposure (above 10 millisieverts) in the 12 months before joining the study
For people in the "normal" comparison group:
- People who have had any past or current heart or lung disease, an abnormal lung physical exam or lung scan, or any infectious illness within the past month
- Women who are pregnant or breastfeeding
- People who have had significant radiation exposure (above 10 millisieverts) in the 12 months before joining the study
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Laiyu Liu, professor, Nanfang Hospital, Southern Medical University
Phone: +86 13632102245
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Dynamic chest radiographs were used to measure diaphragm movement, lung field area and lung field area change rate
Can't join this trial?
Data last synced from ClinicalTrials.gov: 22 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.