Tiny study checks if new brain scanner tracer works reliably

NCT ID NCT03649555

Completed Knowledge-focused Sponsor: Stanford University Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Aug 14, 2026 · Updated 2 times

Summary

This study tested how reliably a new radioactive tracer, [18F]-FTC-146, shows up in brain scans of healthy people. Five volunteers received the tracer on two separate days to see if the results were consistent. The goal was to understand the tracer's stability, not to treat any condition.

What this could mean

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

Active substance: [18F]-FTC-146 (a radioactive tracer for brain imaging)
What this could lead to: If successful, this could help develop a reliable way to measure sigma-1 receptors in the brain, which may aid future research into neurological conditions.
What could go wrong: This is a very early, small study with only 5 healthy participants. It is designed to test reliability, not to treat any disease, so it may not lead to any direct medical benefit.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

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

HEALTHY CONTROLS

Contacts and locations

Locations

Department of Psychiatry and Behavioral Sciences

Stanford, California, 94304, United States

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