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Simple questionnaire may spot early lung trouble in smokers

NCT ID NCT06644456

Knowledge-focused Sponsor: Muğla Sıtkı Koçman University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jul 15, 2026 · Updated 4 times

Summary

This study looked at 90 adult smokers with breathing issues to see if a simple questionnaire called the CAT score could detect early airway problems before COPD develops. Researchers compared CAT scores, exercise ability, and body mass index. The goal was to find a cheap, easy way to catch lung trouble early.

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 help identify smokers at risk for COPD earlier, using a simple questionnaire.
What could go wrong
This is a small, observational study with only 90 participants. Results may not apply to all smokers, and the CAT score is not a definitive diagnostic tool.

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

90 people

The number who actually took part.

Started

Aug 2024

Finished

Mar 2025

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

Patients who applied to MSKU Chest Diseases Polyclinic with respiratory complaints and had a history of smoking were subjected to respiratory function tests.

Ages

18 years and older

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: * Smoking history Being over 18 years old Being symptomatic Exclusion Criteria: * Having a diagnosis of chronic respiratory disease (COPD, Asthma, IPF)

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As listed by the trial registrant

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

Smokers

Contacts and locations

Locations

  • Muğla EAH

    Muğla, 48000, Turkey (Türkiye)

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