New imaging agent may reveal hidden brain tumor cells after surgery
NCT ID NCT05554302
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a special PET scan using an investigational agent called 18F-Fluciclovine can find leftover tumor tissue after brain metastasis surgery better than standard MRI. About 20 adults who have had brain tumor surgery and are scheduled for radiation will get an optional PET scan. The goal is to see if this scan helps doctors plan more precise radiation and predict if the tumor might come back.
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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 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2023
- Expected to finish
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Jan 2030
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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Anyone
- 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.
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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: 1. Age ≥ 18 years 2. Performance status, Eastern Cooperative Oncology Group (ECOG) 0-3 3. Radiographic diagnosis of brain metastasis 4. Patient planned for surgical intervention for at least 1 metastasis 5. Patient planned for postoperative SRS Male or female patients of reproductive potential need to employ two highly effective and acceptable forms of contraception for at least 4 weeks prior to screening and agreement to use such a method during study participation and for an additional 1 week after post-treatment 18F-Fluciclovine PET/CT. Highly effective and acceptable forms of contraception are: * Male condom plus spermicide * Cap plus spermicide * Diaphragm plus spermicide * Copper T * Progesterone T * Levonorgestrel-releasing intrauterine system (e.g., Mirena®) * Implants * Hormone shot or injection * Combined pill * Mini-pill * Patch Postmenopausal people on the study (that will not need contraception) is defined as at least one of the following: * Amenorrhoeic for 1 year or more following cessation of exogenous hormonal treatments * Luteinizing hormone (LH) and follicle stimulating hormone (FSH) levels in the postmenopausal range for women under 50 * Radiation-induced oophorectomy with last menses \> 1 year ago * Chemotherapy-induced menopause with \>1 year interval since last menses * Surgical sterilization (bilateral oophorectomy or hysterectomy). Exclusion Criteria: 1. Prior anaphylactic reaction to 18F-Fluciclovine 2. Evidence of leptomeningeal disease 3. Prior whole-brain radiation therapy 4. Contraindication to MRI (e.g., due to safety reasons, such as presence of a pacemaker) 5. Pregnant at the expected time of 18F-fluciclovine administration 6. Expecting to be breastfeeding at the time of 18F-Fluciclovine and unwilling to stop breast-feeding for 24 hours. Temporary cessation of breastfeeding 24 hours after the time of imaging is allowed.
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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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Miami Cancer Institute at Baptist Health South Florida
RECRUITINGMiami, Florida, 33176, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can doctors watch brain metastases instead of zapping them?
- Starving brain tumors of blood before surgery
- Tiny gadolinium particles aim to make brain radiation hit harder
- A sharper MRI could reveal radiation sensitivity of brain tumors
- Expert tumor board may extend survival in brain metastases
- Can a new pill outsmart lung cancer in the brain?