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18F-fluciclovine PET/MRI Imaging for the Detection of Tumor Recurrence After Radiation Injury to the Brain

Study Purpose

This phase I trial studies the ability and amount of fluciclovine positron emission tomography (PET) imaging needed to recognize tumors that have come back (recurrence) after brain injury from radiation therapy (radionecrosis) in patients with intracranial disease that has spread to other places in the body (metastatic). F-18 fluciclovine is a radiotracer that works by accumulating in tumor cells, making it easier to detect tumors. The results of this study may also help investigators understand all the ways that F-18 fluciclovine may affect patients.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Observational
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Clinical evidence of intracranial metastatic disease which underwent radiation and who presents with MRI findings suspicious for recurrent disease and/or radionecrosis (namely the 'index lesion')

    Exclusion Criteria:

    - Contraindication to contrast enhanced MRI.
  • - Females of child-bearing potential who are pregnant or lactating or who are not using adequate contraception (surgical, hormonal or double barrier, i.e. condom and diaphragm) - Inability to lie still for 50 minutes during fluciclovine PET-MRI imaging.
  • - Inability or refusal to consent.
  • - Allergy or anaphylaxis to any of the reagents used in this study.
- Inability or unwillingness to return for required visits and follow-up exams

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT04462419
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Mayo Clinic
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Daniel M. Trifiletti, MD
Principal Investigator Affiliation Mayo Clinic
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Other, Industry
Overall Status Active, not recruiting
Countries United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Metastatic Intracranial Malignant Neoplasm, Recurrent Intracranial Neoplasm
Study Website: View Trial Website
Additional Details

PRIMARY OBJECTIVE:

  • I. To determine the static fluciclovine F18 (fluciclovine) PET imaging tumor-to-background ratios (TBRmax; TBRmean) which distinguish true tumor recurrence from radionecrosis in patients with intracranial metastatic disease previously treated with radiation therapy, and magnetic resonance imaging (MRI) findings suggesting recurrent disease, using histopathology as proof of disease.
SECONDARY OBJECTIVES:
  • I. To determine static fluciclovine PET standardized uptake value (SUV)peak, SUVmean values and metabolic tumor volumes (MTV) which distinguish true tumor recurrence from radionecrosis in patients with MRI findings suggesting recurrent disease, using serial MRI as a surrogate marker of disease.
  • II. To determine early dynamic fluciclovine PET time activity curve values which distinguish true tumor recurrence from radionecrosis in patients with MRI findings suggesting recurrent disease, using histopathology or serial MRI as a marker of disease.
  • III. To correlate the determined static fluciclovine PET SUVpeak, SUVmean, TBRmax, TBRmean, and MTV values with progression free survival.
  • IV. In patients with true tumor progression, SUV values will be correlated with Ki67 staining on final pathology.
OUTLINE: Patients receive fluciclovine intravenously (IV) and undergo brain dynamic PET/MRI imaging over 50 minutes. After completion of study, patients are followed up every 3 months for up to 1 year.

Arms & Interventions

Arms

: Diagnostic (18F-fluciclovine, PET/MRI imaging)

Patients receive fluciclovine IV and undergo brain dynamic PET/MRI imaging over 50 minutes.

Interventions

Radiation: - Dynamic Contrast-Enhanced Magnetic Resonance Imaging with Positron Emission Tomography

Undergo PET-MRI imaging

Other: - Fluciclovine F18

Given IV

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Mayo Clinic in Florida, Jacksonville, Florida

Status

Address

Mayo Clinic in Florida

Jacksonville, Florida, 32224-9980

Nearest Location


Resources

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The content provided on clinical trials is for informational purposes only and is not a substitute for medical consultation with your healthcare provider. We do not recommend or endorse any specific study and you are advised to discuss the information shown with your healthcare provider. While we believe the information presented on this website to be accurate at the time of writing, we do not guarantee that its contents are correct, complete, or applicable to any particular individual situation. We strongly encourage individuals to seek out appropriate medical advice and treatment from their physicians. We cannot guarantee the availability of any clinical trial listed and will not be responsible if you are considered ineligible to participate in a given clinical trial. We are also not liable for any injury arising as a result of participation.

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