New PET scan trick may spot fake tumor growth in immunotherapy patients
NCT ID NCT03584334
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether a special PET scan (18FDG dual-point) can tell the difference between real tumor growth and harmless inflammation caused by immunotherapy. Researchers studied 100 people with advanced lung cancer or melanoma who were being treated with drugs like nivolumab or pembrolizumab. The goal was to find a better way to evaluate treatment response without confusing inflammation for cancer progression.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
18FDG PET scan (diagnostic imaging)
What this could lead to
If successful, this could help doctors quickly tell whether a tumor is truly growing or just inflamed from treatment, avoiding unnecessary changes in therapy.
What could go wrong
This is an observational study, not a treatment trial. The results may not apply to all patients or cancer types, and the scan technique is not yet standard practice.
Disclaimer
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the original study
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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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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
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Locations
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Centre Antoine Lacassagne
Nice, 06189, France