New PET tracer could light up dangerous blood clots

NCT ID NCT06057844

Recruiting now Knowledge-focused Sponsor: University Hospital, Brest Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing a new radioactive tracer designed to attach to active blood clots and make them visible on a PET scan. Researchers will take blood samples from 10 healthy volunteers, create clots in the lab, and see how well the tracer binds to them. The goal is to develop a more accurate way to diagnose deep vein thrombosis and pulmonary embolism.

What this could mean

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

Active substance: 64Copper-labeled anti-D-dimer antibody
What this could lead to: If successful, this could lead to a more accurate PET scan for detecting active blood clots, improving diagnosis and treatment decisions for venous thromboembolism.
What could go wrong: This is a very early, small lab study using blood from healthy donors, not patients. It only tests if the tracer binds to clots in a test tube, so it may not work in real patients.

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Conditions

The condition(s) this trial relates to.

venous thromboembolism

As listed by the trial registrant

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

VENOUS THROMBOEMBOLISM (VTE)

Contacts and locations

Locations

Etablissement francais du sang
RECRUITING

Brest, 29200, France

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