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Breath test could revolutionize lung cancer screening

NCT ID NCT06016569

Diagnosis Sponsor: The Institute of Molecular and Translational Medicine, Czech Republic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether a breath test can detect lung cancer early in people at high risk. Researchers will collect breath samples from 3,200 current or former smokers aged 55-74 and compare the results to standard low-dose CT scans. If the breath test works well, it could offer a cheaper, easier way to screen for lung cancer.

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 provide a simple, low-cost breath test to screen for lung cancer, potentially reducing unnecessary procedures and deaths.
What could go wrong
This is an early validation study, not a treatment trial. The breath test may not be accurate enough to replace CT scans, and results may not apply to all populations.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 3,200 people

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

Started

Jun 2023

Expected to finish

Dec 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.

Ages

55 to 74 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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. Consent to participate in a clinical trial. 2. A clients within an age of 55-74 years. 3. Current smoker or ex-smoker who has smoked at least 20 pack-years, provided that: 1. priority will be given to clients who have smoked at least 30 pack-years. 2. preference will be given to a former smoker who has not smoked for less than 15 years. Exclusion Criteria: 1. Previous diagnosis of lung cancer. 2. Progressing malignant tumor on symptomatic treatment. 3. Advanced dementia 4. Chronic obstructive pulmonary disease or other inflammatory disease in the phase of acute exacerbation.

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Conditions

The condition(s) this trial relates to.

lung cancer lung neoplasm

As listed by the trial registrant

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

Lung cancer

How to take part

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

  1. The places running it

    3 sites. 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

  • General University Hospital in Prague

    NOT_YET_RECRUITING

    Prague, 12808, Czechia

  • Masaryk Memorial Cancer Institute

    RECRUITING

    Brno, 65653, Czechia

  • University Hospital

    NOT_YET_RECRUITING

    Olomouc, 77900, Czechia

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