Prostate Cancer Clinical Trial
— PSMA-PROSTAPETOfficial title:
Evaluation of Diagnostic Accuracy of [68Ga]Ga-PSMA-11 PET/CT in Primary Staging of Intermediate and High Risk Prostatic Cancer in Men Newly Diagnosed
This is a diagnostic accuracy prospective, single-centre, open-label, single group assignment
interventional study.
Its aim is to evaluate the diagnostic accuracy of [68Ga]Ga-PSMA-11 PET/CT in detection of
primary tumour and extra prostatic disease (lymph node, soft tissues spread or bone
metastases) in men newly diagnosed with Prostate Cancer at Intermediate and High Risk,
according to 2019 Prostate Cancer EAU Guidelines Risk Group Stratification (see Study
Population paragraph).
The investigators are interested in the possible future role of [68Ga]Ga-labelled PSMA PET/CT
as integration to conventional imaging mpMRI (with or without CT of the lower abdomen and
Bone scan) in the detection of primary tumor and extra-prostatic disease (lymph node and soft
tissues spread or bone metastases).
Status | Recruiting |
Enrollment | 100 |
Est. completion date | September 20, 2024 |
Est. primary completion date | September 20, 2024 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: I. Patients with histo-pathological confirmation of PCa with intermediate or high-risk disease according to 2019 Prostate Cancer EAU Guidelines Risk Group Stratification (see Study Population paragraph) II. Patients with conventional imaging mpMRI (with or without CT of the lower abdomen and Bone scan) performed as baseline in primary PCa staging according to 2019 Prostate Cancer EAU Guidelines III. Age >18 years/old IV. Ability to provide written informed consent Exclusion Criteria: I. Contra-indication for PET/CT scan: Patients not capable of getting PET study due to weight, claustrophobia, or inability to lay still for the duration of the exam II. Impaired renal function III. Impaired liver function: AST or ALT > 2.5 x ULN IV. Patients unable to understand the purpose of the study V. Medical history of allergic reactions or hypersensitivity to [68Ga] Ga-PSMA-11 as well as to any excipient or component of the experimental medicinal product VI. Having partecipated in clinical trial in which the experimental intervention was administered within 30 days (or 5 half-life) from administration the endovenous solution of [68Ga]Ga-PSMA-11 |
Country | Name | City | State |
---|---|---|---|
Italy | Azienda Ospedaliero-Universitaria di Modena | Modena |
Lead Sponsor | Collaborator |
---|---|
Azienda Ospedaliero-Universitaria di Modena |
Italy,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Diagnostic accuracy measures (sensitivity, specificity, positive and negative predictive values) of [68Ga]Ga-PSMA-11 PET/CT in detection of primary tumor and extraprostatic disease (lymph node, soft tissues spread or bone metastases). | For the primary objective, the following index test and reference test will be considered: Index test: [68Ga]Ga-PSMA-11 PET/CT performed before treatment. Reference test: clinical, radiological and histo-pathologic assessment, when available, at 12 months followup and up to 24 months after treatment. Two nuclear medicine physicians will review the PET images using PET/CT Software Syngo.via. A PET positive finding for pelvic or retroperitoneal lymph nodes or lymph nodes = 8mm is defined with PSMA uptake equal to or above blood pool and lower than liver. A PET positive finding in lymph nodes of other regions is defined with PSMA uptake equal to or above liver and lower than parotid gland. Any uptake equal to or above parotid gland will be considered positive. The readers will be blinded to clinical and pathologic data, except for the knowledge of diagnosis of biopsy proven prostate cancer. |
Up to 24 months after treatment | |
Secondary | Comparation diagnostic accuracy of the [68Ga]Ga-PSMA-11 PET/CT versus the conventional imaging mpMRI (with or without CT of the lower abdomen and Bone scan) in the prostatic bed and extra prostatic disease. | For the secondary objective, the following index test and reference test will be considered: Index test: conventional imaging mpMRI performed before treatment. Reference test: clinical, radiological and histo-pathologic assessment at 12 months follow-up and up to 24 months after treatment. MRI imaging results will be evaluated by two radiologists specializing in body MRI imaging with the PI-RADS version 2 criteria. In addition, for the secondary objective, after testing the assumption of normality with the Kolmogorov-Smirnov test, the metabolic PET parameters (SUV max and SUV mean) will be correlated with PSA serum level, by using the Pearson correlation, and with Gleason score and tumor volume, by using the Spearman correlation. |
Up to 24 months after treatment |
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