New PET tracer aims to spot hidden cancers with precision

NCT ID NCT07172503

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tests a new radioactive imaging agent called 68Ga-NOTA-GPA33 nanobody, which targets a protein (GPA33) found on some cancer cells. Researchers will use PET scans to see if this agent can better detect and stage colorectal, stomach, and pancreatic cancers in 56 patients and healthy volunteers. The goal is to improve diagnosis and staging compared to standard methods.

What this could mean

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

Active substance

68Ga-NOTA-GPA33 nanobody (a radioactive imaging agent)

What this could lead to

If successful, this could provide a more accurate way to detect and stage certain cancers using PET scans, potentially improving treatment decisions.

What could go wrong

This is an early diagnostic study with only 56 participants, so results may not apply to all patients. The imaging agent's accuracy and safety are still being evaluated.

Disclaimer Read more

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.

colorectal cancer colorectal neoplasm gastric cancer gastric neoplasm malignant pancreatic neoplasm pancreatic neoplasm

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Union Hospital, Tongji Medical College, Huazhong University of Science and Technology

    Wuhan, Hubei, 430030, China

    Contact Phone: •••-•••-•••• Email: •••••@•••••