New scan may reveal hidden estrogen activity in uterine cancer
NCT ID NCT05916196
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing a special PET scan (FES PET/CT) to see how active estrogen receptors are in uterine cancer that has spread or returned. About 30 women with this type of cancer will get the scan before starting a new treatment. The results won't change their treatment plan but will help researchers learn if this scan can better detect cancer spots and predict how long the cancer stays under control.
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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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2024
- Expected to finish
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Aug 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria 1. Participants will be ≥ 18 years of age 2. Recurrent or metastatic or intact non-operated uterine cancer not treated with surgery that is biopsy-proven or demonstrated on other standard of care imaging (e.g. CT, FDG PET/CT, MRI, bone scan, x-ray, ultrasound) 3. At least one lesion outside the liver detected by standard of care imaging (e.g.CT, FDG PET/CT, MRI, bone scan, x-ray, ultrasound) 4. Participants must be informed of the investigational nature of this study and be willing to provide written informed consent and participate in this study in accordance with institutional and federal guidelines prior to study-specific procedures. 5. Subjects that are currently on or have recently discontinued tamoxifen or fulvestrant would require an 8-week or 28-week, respectively, washout period prior to FES PET/CT scan. Exclusion Criteria 1. Females who report they are pregnant at screening will not be eligible for this study. A urine pregnancy test will be performed in women of child-bearing potential prior to FES injection. 2. Inability to tolerate imaging procedures in the opinion of an investigator or treating physician 3. Any current medical condition, illness, or disorder as assessed by medical record review and/or self-reported that is considered by a physician investigator to be a condition that could compromise participant safety or successful participation in 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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Abramson Cancer Center at University of Pennsylvania
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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