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Breathing easy? new X-Ray method may spot COPD decline early

NCT ID NCT07762573

Knowledge-focused Sponsor: Nanfang Hospital, Southern Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This study looks at whether a special type of X-ray, called dynamic chest radiography, can help doctors better understand and predict the course of chronic obstructive pulmonary disease (COPD). Researchers will review medical records from about 2,500 people aged 30 to 85 who had both lung function tests and this imaging. The goal is to see if the X-ray measurements can reveal different patterns of the disease and help estimate the risk of it getting worse over time.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to a new imaging-based method to better assess COPD severity and predict who is at higher risk of worsening, potentially improving personalized care.
What could go wrong
This is a retrospective study, meaning it looks back at existing data, and the findings may not apply to all COPD patients. The imaging technique is still being evaluated and may not prove reliable for widespread use.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 2,500 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2026

Expected to finish

Jan 2030

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Chronic obstructive pulmonary disease (COPD) is a heterogeneous lung condition characterized by chronic respiratory symptoms, including dyspnea, cough, and sputum production. These symptoms result from airway abnormalities, such as bronchitis or bronchiolitis, and/or alveolar abnormalities, such as emphysema, that cause persistent and often progressive airflow obstruction.

Ages

30 to 85 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Aged 30-85 years. 2. Male or female. 3. Patients who underwent pulmonary function testing and dynamic chest radiography at the hospital. Exclusion Criteria: 1. Incomplete medical records. 2. Considered unsuitable for inclusion in the study at the investigator's discretion.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chronic obstructive pulmonary disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Nanfang Hospital, Southern Medical University

    RECRUITING

    Guangzhou, Guangdong, 510400, China

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