New tracer maps brain inflammation in healthy people
NCT ID NCT06398392
First seen Jun 26, 2026 ยท Last updated Jun 26, 2026
Summary
This completed study tested a radioactive tracer called [18F]PBR111 in 6 healthy adults (3 men, 3 women) to see how it spreads in the body and how much radiation it gives off. The tracer is designed to attach to a protein that appears during brain inflammation, which could help doctors spot conditions like Alzheimer's or multiple sclerosis. The goal was to measure radiation dosimetry and biodistribution using PET/CT scans over 120 minutes.
What this could mean
Our plain-language read of the trial. This is informational only โ not medical advice or a prediction.
- Active substance
- [18F]PBR111 (radioactive tracer)
- What this could lead to
- If successful, this could help develop better PET scans to detect brain inflammation in diseases like Alzheimer's or multiple sclerosis.
- What could go wrong
- This is a very small, early study in just 6 healthy people. It only measures radiation exposure, not treatment effects, so it won't directly help patients yet.
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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
-
Geneva University Hospital
Geneva, Switzerland
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