New PET tracer spots hidden thyroid cancer
NCT ID NCT02856347
First seen Nov 18, 2025 · Last updated Jun 23, 2026 · Updated 30 times
Summary
This study tested a special radioactive tracer called 18F-DOPA for PET scans in 24 patients with medullary thyroid cancer who had high levels of a tumor marker after surgery. The goal was to see if this new scan could find remaining cancer in lymph nodes better than standard imaging. The results were compared to biopsy or follow-up to see how accurate the tracer was.
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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.
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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Contacts and locations
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Locations
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CHU Haut-Lévêque
Bordeaux, France
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CHU Limoges
Limoges, France
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CHU Timone
Marseille, France
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ICM Montpellier
Montpellier, France
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Institut Claudius Regaud
Toulouse, 31059, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
18F-DOPA (a radioactive tracer for PET scans)
What this could lead to
If successful, this imaging method could help doctors more accurately locate residual medullary thyroid cancer after surgery, guiding better treatment decisions.
What could go wrong
This is a small, completed study with only 24 participants. The tracer may not prove more effective than standard imaging, and results may not apply to all patients.
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.