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NCT05709535 | Recruiting | Prostate Cancer


PSMA-PET/CT Registry
Sponsor:

AHS Cancer Control Alberta

Brief Summary:

This is a prospective registry study to evaluate the diagnostic utility of [18F]-PSMA-1007 (PSMA-PET/CT) to stage patients with high-risk prostate cancer, localize sites of biochemical recurrence of prostate cancer, and restage patients with advanced prostate cancer before onset of new therapy.

Condition or disease

Prostate Cancer

Intervention/treatment

[18F]-PSMA-1007

Detailed Description:

Prostate cancer is the most common non-skin malignancy and the third leading cause of cancer death in Canadian men. High-risk, recurrent, and metastatic prostate cancer is associated with poor patient outcomes. It is highly possible that the inability to accurately detect disease earlier in these patients is a key limiting factor in effectively treating patients with advanced prostate cancer. Prostate specific membrane antigen (PSMA) is seen on many patients' prostate cancer tumours, and that PSMA expression can not only help detect cancer earlier, but it can also help determine how to treat patients with both standard treatments (e.g., surgery or radiation), as well as systemic new medical treatments (e.g. [177Lu]-PSMA-617). The new imaging technology, PSMA PET/CT, has been shown to be more sensitive and specific for the detection of metastatic prostate cancer than the current standard of care imaging (CT and bone scan) and is starting to make its way into clinical use worldwide, but is not yet available outside of clinical trials in Canada. In recent years, prostate-specific membrane antigen (PSMA, glutamate carboxypeptidase II) has gained a resurgence of interest as a powerful imaging biomarker in prostate cancer. PSMA has been labelled with several single positron emission computed tomography (SPECT) and PET radiotracers to radiographically detect and stage the extent of disease in prostate cancer. This registry study will provide Alberta centres access to a new PET tracer, [18F]-PSMA-1007. A prospective registry study of PSMA PET/CT to guide therapy will allow enhanced access to PSMA-PET/CT and examine its effectiveness in characterizing patterns of extent, staging recurrence, and/or metastasis of high-risk prostate cancer, and to personalize therapies in men with prostate cancer. The aim is to determine the proportion of PSMA-PET/CT imaging with positive findings at local, regional, or distant sites.

Study Type : Observational
Estimated Enrollment : 245 participants
Official Title: PSMAN: POET PSMA-PET/CT Registry for High-Risk, Biochemically Relapsed, and Advanced Prostate Cancer
Actual Study Start Date : July 11, 2023
Estimated Primary Completion Date : August 1, 2027
Estimated Study Completion Date : August 1, 2028

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 18 Years
Sexes Eligible for Study: Male
Accepts Healthy Volunteers: No
Criteria
Inclusion Criteria
  • Study participant has provided informed consent prior to initiation of any study specific activities/procedures.
  • Age greater than or equal to 18 years.
  • Subjects with histological diagnosis of prostate cancer.
  • Subjects with Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2.
  • Subjects with biochemical recurrence or persistence of prostate cancer following initial curative treatment by radical prostatectomy, with two consecutive PSA values >0.2 ng/ml measured more than 6 weeks after radical prostatectomy. If subjects received subsequent systemic therapy, the most recent PSA measurement prior to PET/CT imaging must be greater than 0.2 ng/mL OR
  • Subjects with biochemical recurrence or persistence of prostate cancer following initial curative treatment by radical prostatectomy and subsequently treated by salvage radiotherapy or pelvic node dissection, with two consecutive PSA values >0.2 ng/ml. If subjects received subsequent systemic therapy, the most recent PSA measurement prior to PET/CT imaging must be greater than 0.2 ng/mL OR
  • Subjects with biochemical recurrence of prostate cancer after initial curative therapy with radiation therapy (including brachytherapy), or non-standard local ablative therapy (such as high frequency ultrasound, cryoablation, focal laser ablation, etc.), with a PSA level >2 ng/mL above the nadir after radiation therapy OR
  • Subjects with advanced castration sensitive or castration resistant prostate cancer being considered for localized treatment (surgery, brachytherapy, radiotherapy) of recurrent or oligometastatic prostate cancer. Castration resistance is defined as a PSA level > 1.0 ng/mL, with 2 consecutive rises above the nadir, in the presence of castrate levels of testosterone (< 1.7 nmol/L) OR
  • Subjects with metastatic or castration resistant prostate cancer being evaluated for systemic therapy administered in therapeutic clinical trials. The PSA level must be > 1.0 ng/mL, with 2 consecutive rises above the nadir, in the presence of castrate levels of testosterone (< 1.7 nmol/L) OR
  • Subjects with high-risk prostate cancer, defined as T3a, Gleason ≥8, or PSA ≥20, and "very high risk" as T3b or T4 disease.
  • Patients of childbearing potential must adhere to the contraception requirement from screening throughout the study period up to 90 days after the last dose of study intervention.
Exclusion Criteria
  • Unable to lie supine for the duration of imaging.
  • Unable to provide written consent.
  • Exceeds safe weight limit of the PET/CT bed (204.5 kg) or unable to fit through the PET/CT bore (diameter 70 cm).
  • Lack of IV access.
  • History of allergic reaction to [18F]-PSMA-1007.

PSMA-PET/CT Registry

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PSMA-PET/CT Registry

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Locations


Recruiting

Canada, Alberta

Tom Baker Cancer Centre

Calgary, Alberta, Canada, T2N4N2

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