New heart scan tracer could make diagnosis easier

NCT ID NCT05625490

Completed Diagnosis Sponsor: Washington University School of Medicine Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-phase study tested a new radioactive tracer called Ga-68 Galmydar for PET scans of the heart. The goal was to see if it can accurately show blood flow to the heart muscle in people with or without coronary artery disease. Fifteen adults received the tracer and underwent imaging, with results compared to a standard tracer. The study aims to develop a more convenient option for heart imaging.

What this could mean

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

Active substance: Ga-68 Galmydar (a radioactive tracer for PET scans)
What this could lead to: If successful, this could lead to a more accessible PET tracer for diagnosing coronary artery disease, potentially replacing tracers that require a nearby cyclotron.
What could go wrong: This is a very early, small study (15 participants) focused on imaging feasibility, not treatment. The tracer may not prove superior to existing methods or may have safety issues.

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

CORONARY ARTERY DISEASE

Contacts and locations

Locations

Washington University School of Medicine

St Louis, Missouri, 63110, United States

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