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18F-DCFPyL PET/CT in High Risk and Recurrent Prostate Cancer
Sponsor: National Cancer Institute (NCI)
Summary
Background: Prostate cancer is the second leading cause of cancer deaths in American men. When prostate cancer is confined to the prostate there is a high chance of cure. However, it is outside the prostate or comes back after treatment, additional therapy may be needed. Current methods of imaging prostate cancer are limited. Researchers want to see if a radiotracer called 18F-DCFPyL can identify prostate cancer in patients who have a high risk of cancer spreading outside the prostate or who have signs of recurrent cancer after treatment. Objectives: To see if the radiotracer 18F-DCFyL can help identify prostate cancer in the body before or after therapy. Eligibility: Men ages 18 and older who have prostate cancer that has been newly diagnosed, or has relapsed after radiation or surgery Design: Participants will be divided into 2 groups. * Group 1 will be men with cancer that has been newly diagnosed as high risk by their doctor who are scheduled to have prostate removal surgery or undergo biopsy before radiation therapy. * Group 2 will be men who have presumed prostate cancer relapse after prostate removal surgery or radiation therapy. Both groups will have scans taken. Participants will lie still on a table in a machine that takes pictures of their body. 18F-DCFyL will be injected by intravenous (IV) line. Participants will be contacted for follow-up after scans. Participants in Group 1 may have surgery to remove their prostate gland or a biopsy to remove some prostate tissue. This procedure will be standard of care and is not a part of this study. They will also have an extra MRI scan of their prostate. For this, a tube, called an endorectal coil, will be placed in their rectum. Other tubes may be wrapped around the inside of their pelvis. A contrast agent will be given by IV. Participants in Group 2 may also undergo an MRI of the pelvis and may have a biopsy of abnormalities found on the 18F-DCFyL scan. Participants will have data about their prostate cancer collected for up to 1 year.
Key Details
Gender
MALE
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
800
Start Date
2017-08-03
Completion Date
2030-12-31
Last Updated
2026-01-21
Healthy Volunteers
No
Conditions
Interventions
18F-DCFPyL
Subjects will receive IV dose of 18F-DCFPyL by bolus injection. The maximum amount of injected active drug will be less than 4.02 mcg. The target administered activity will be 8 mCi.
18F-FDG
Cohort 2 may receive a one-time 18F-FDG PET/CT after a positive 18F-DCPyL PET/CT. 18F FDG PET/CT imaging may be performed per clinical standard of care. FDG is administered at a dose of 10mCi intravenously. A whole-body PET/CT will be performed beginning post 18F FDG injection.
PSMA-11
For up to 10 eligible patients from either cohort 1 or 2, an optional salivary gland blocking study may be performed in which a salivary gland is cannulated and injected with unlabeled DCFPyL or PSMA-11.
Locations (1)
National Institutes of Health Clinical Center
Bethesda, Maryland, United States