Simple fluid test could replace needle biopsy for TB of the lung lining

NCT ID NCT06646237

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new liquid biopsy that measures TB DNA in fluid from around the lungs to diagnose tuberculous pleuritis, a common form of TB. Current methods often require invasive tissue biopsies or have low accuracy. The trial will enroll 350 adults with new-onset pleural effusion to see if this simple fluid test can reliably tell TB from other causes, potentially avoiding the need for a biopsy.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

MTB cell-free DNA assay (liquid biopsy)

What this could lead to

If successful, this could provide a quick, less invasive way to diagnose tuberculous pleuritis, reducing the need for tissue biopsies.

What could go wrong

The test was developed on a small, selected group, so it may not work as well in a broader, real-world population. Also, it is still being validated and is not yet available for routine use.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

pleural tuberculosis tuberculosis

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Chinese University of Hong Kong

    Hong Kong, Hong Kong, Hong Kong

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••