PSMA-PET Registry for Recurrent Prostate Cancer (PREP)
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- STATUS
- Recruiting
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- End date
- Dec 4, 2025
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- participants needed
- 3070
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- sponsor
- Lawson Health Research Institute
Summary
This study aims to institute a province-wide registry leveraging the availability of a new Positron Emission Tomography tracer, [18F]-DCFPyL and PET expertise across Ontario centers to improve our ability to characterize patterns of recurrence and personalize therapies in men with recurrent prostate cancer after primary treatment.
Description
This registry study will provide Ontario centres access to a new Positron Emission Tomography (PET) tracer, [18F]-DCFPyL, to improve our ability to identify areas of prostate cancer recurrence in men who have undergone surgical removal of their prostate gland (radical prostatectomy) or radiation of their prostate (external beam radiation, brachytherapy or a combination of both) and there is a suspicion of recurrence of the cancer. Men with suspected persistent or recurrent disease can be identified on the basis of a rising Prostate Specific Antigen (PSA) blood test, or the presence of node positive disease at the time of their surgery, or a PSA blood test continues to be detectable within 3 months after their surgery. It is the aim of this study to determine if [18F]-DCFPyL PET/CT can potentially identify areas of prostate cancer recurrence not seen with usual imaging (bone scan/CT scans) and impact the management of the disease. A report of the results of the [18F]-DCFPyL PET/CT will be provided to the participating physicians to determine a treatment plan. As part of the patient eligibility for [18F]-DCFPyL PET/CT participating physicians will complete a questionnaire after the [18F]-DCFPyL PET/CT information is provided to report how the results impact patient management. Actual interventions following completion of the [18F]-DCFPyL PET/CT will be tracked by linkage to provincial registries. Six centres across Ontario will participate in the registry study which is expected to take 4 years to complete with an additional one year of follow-up to capture patient outcomes.
PREP Phase 2 was initiated to investigate the hypothesis that conventional imaging is not adding to the information provided by PSMA PET/CT alone. PREP Phase 2 will retain the same study design as Phase I but will remove bone scan and computed tomography as criteria for entry into the study except for those patients with higher PSA (>10 ng/ml).
Identical cohort sizes will be accrued in Phase 2 to permit comparison of detection rates with similar confidence intervals with and without conventional imaging. Transition to PREP Phase 2 occurred when overall accrual to PREP exceeded 80% of target.
Details
| Condition | Recurrent Prostate Cancer |
|---|---|
| Treatment | [18F]-DCFPyL PET/ CT scan (PSMA PET) |
| Clinical Study Identifier | NCT03718260 |
| Sponsor | Lawson Health Research Institute |
| Last Modified on | 4 April 2023 |
Eligibility
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