Clinical Research Directory

A Multicenter, Prospective Study on the Prognostic Value of PSMA PET in Patients With Newly Diagnosed, Treatment-naïve Prostate Cancer

Sponsor: Xijing Hospital

Summary

Brief Summary： Under the support of the PROMISE scoring criteria, PSMA PET has demonstrated significant prognostic value. However, previous studies on PSMA PET included patients with various stages of prostate cancer, and the mixture of different disease stages may compromise the accuracy of prognostic tools. This study aims to specifically investigate the prognostic value of initial staging PSMA PET for progression-free survival in patients with newly diagnosed, treatment-naïve prostate cancer, and to develop corresponding prognostic tools. Need: The prognostic value of initial staging with PSMA PET is needed for treatment management and study design. Primary Outcome: To assess the prognostic value of initial staging by PSMA PET: generate a prognostic tool (PSMA-VISION score) based on initial staging of PSMA PET to predict progression-free survival. Secondary Outcomes: To compare PSMA-VISION score with the other prognostic tools (such as NCCN, STARCAP, PPP nomogram, PPP2 nomogram, etc.) and to evaluate the prognostic value of initial staging by PSMA PET to predict overall survival (OS). The correlation with clinicopathological variables and prediction of early progression (Exploratory) was also investigated. Inclusion: 1. Patients with pathologically confirmed prostate cancer by prostate biopsy. 2. Undergone PSMA PET examination as initial staging before any treatment. 3. Have at least 2 years of follow-up data for progression-free survival and overall survival. Exclusion Criteria: 1. Patients undergone any prior prostate cancer treatment before undergoing PSMA PET imaging. 2. Patients with metastasized or disseminated malignancy other than prostate cancer 3. Patients with neuroendocrine prostate cancer.

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