New PET tracer aims to spot Alzheimer's tau tangles

NCT ID NCT05542953

Completed Diagnosis Sponsor: APRINOIA Therapeutics Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This completed Phase 3 study tested whether a radioactive tracer called [18F]APN-1607 can help detect Alzheimer's disease by lighting up tau tangles in the brain during a PET scan. Researchers compared brain scans of 230 people with Alzheimer's, mild cognitive impairment, and healthy volunteers. The goal was to see if the tracer's pattern differs between groups, which could improve diagnosis.

What this could mean

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

Active substance: [18F]APN-1607 (a radioactive tracer for PET scans)
What this could lead to: If successful, this could lead to a better way to diagnose Alzheimer's disease earlier and more accurately using a brain scan.
What could go wrong: This is a diagnostic study, not a treatment. The tracer may not clearly distinguish between Alzheimer's and other dementias, and results may not change patient outcomes.

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

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Conditions

The condition(s) this trial relates to.

Alzheimer disease

As listed by the trial registrant

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

ALZHEIMER'S DISEASE HEALTHY VOLUNTEERS MILD COGNITIVE IMPAIRMENT DUE TO ALZHEIMER'S DISEASE

Contacts and locations

Locations

Union Hospital Tongji Medical College Huazhong University of Science and Technology

Wuhan, Hubei, 430000, China

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