AI assistant for chest X-Rays: can it spot what doctors miss?
NCT ID NCT06686251
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times
Summary
This study tests whether an AI tool called LuAna helps doctors find lung problems in chest X-rays more accurately than doctors working alone. About 1,470 adults with breathing issues will have their X-rays read first by doctors, then with AI support. The goal is to see if AI boosts detection of conditions like pneumonia, fluid in the lungs, or an enlarged heart.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- LuAna app (AI diagnostic support software)
- What this could lead to
- If successful, this could show that AI assistance improves detection of lung problems in chest X-rays, potentially leading to more accurate diagnoses and better patient care.
- What could go wrong
- This is an early-stage study focused on diagnostic accuracy, not treatment. The AI may not improve detection rates significantly, and results may not apply to all settings or 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
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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
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About 2,400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Non-reported chest X-rays (XRts) of individuals aged over 18 years. * Individuals images with respiratory complaints. * Chest X-rays taken during the presence of these respiratory symptoms or while being followed up for respiratory disease. * Chest X-rays taken on any X-ray machine. * Chest X-rays that include at least one frontal view of the chest. Exclusion Criteria: * Those whose chest X-ray was performed due to a history of trauma, pre-operative risk assessment, lung cancer screening, or exclusively for verifying the correct positioning of a peripheral intravenous catheter (PICC). * Chest X-rays with technical quality below the minimum required for proper interpretation and diagnosis. * Cases without at least one frontal view. * X-rays printed on regular paper.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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FEAS Curitiba
RECRUITINGCuritiba, Paraná, 81130-160, Brazil
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