Lung age test may spark quit smoking success
NCT ID NCT04276116
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether telling smokers their estimated 'pulmonary age' (how old their lungs act) helps them quit. About 100 smokers aged 25+ will be randomly assigned to get their pulmonary age or not. Success is measured by a breath test at 6 months. The goal is to see if this simple feedback boosts motivation to stop smoking.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- pulmonary age communication
- What this could lead to
- If it works, this could give doctors a simple new tool to motivate smoking cessation.
- What could go wrong
- This is a small, early-stage trial with only 101 participants. The effect may be small or not last beyond 6 months.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hôpital Saint Antoine
Paris, 75012, France
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