Brazil tests lung cancer screening in smokers

NCT ID NCT07279948

Not yet recruiting Knowledge-focused Sponsor: AstraZeneca Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Aug 04, 2026 · Updated 2 times

Summary

This study will screen 477 current or former smokers in Brazil for lung cancer using CT scans. It aims to see how often the scans give false alarms (false positives) in a region where lung infections are common. The goal is to improve screening accuracy and reduce unnecessary follow-up procedures.

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 show how to effectively screen for lung cancer in regions with high rates of granulomatous disease, reducing unnecessary procedures.
What could go wrong
This is an early-stage implementation study, not testing a new treatment. Results may not apply to other populations, and false positives could still cause anxiety or extra tests.

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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

  • Research Site

    Rio de Janeiro, 20230-130, Brazil

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