New scan could help track rare Cancer's response to treatment
NCT ID NCT06521775
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This pilot study tested whether a special PET/CT scan using a radioactive tracer called Ga-68 PSMA-11 can detect treatment response in patients with metastatic adenoid cystic carcinoma, a rare salivary gland cancer. Six adults with this cancer underwent the scan at two time points. The goal was to see if the imaging could help guide treatment decisions.
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 PSMA-11 (radioactive imaging agent)
- What this could lead to
- If successful, this imaging method could help doctors better track how well treatments are working in patients with this rare cancer.
- What could go wrong
- This is a very small pilot study (6 participants) focused on imaging, not treatment. It may not lead to changes in care or apply to all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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6 people
The number who actually took part.
- Started
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Aug 2024
- Finished
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Aug 2025
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * ≥ 18 years of age * Diagnosis of metastatic adenoid cystic carcinoma * Enrolled in protocol MC200708 * Ability to tolerate a Ga68 PSMA PET/CT imaging study * Willingness to return for a second PSMA PET/CT scan in approximately 12-20 weeks from the baseline PET/CT * Ability to give appropriate consent or have an appropriate representative available to do so Exclusion Criteria: * Unable to undergo PET/CT scan * Not a participant in MC200708 * \< 18 years of age * Persons who are pregnant or nursing * Persons unable to consent to the study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States
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