Spots Global Cancer Trial Database for Enhanced Systemic Combined With Local Treatment for Primary and Metastatic Lesions in Oligo-metastatic Prostate Cancer

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Trial Identification

Brief Title: Enhanced Systemic Combined With Local Treatment for Primary and Metastatic Lesions in Oligo-metastatic Prostate Cancer

Official Title: Long-term Effects of Enhanced Systemic Therapy and Tumor-directed Therapy for Newly Diagnosed Oligometastatic Prostate Cancer Confirmed by Conventional Imaging Modality: a Prospective, Single-arm Study.

Study ID: NCT05212857

Conditions

Prostate Cancer

Interventions

Local treatment for primary lesion

Radiotherapy for primary lesion

Radiotherapy for metastatic lesion

Study Description

Brief Summary: Oligo-metastatic prostate cancer (OMPCa) is considered as an intermediated state between localized and poly-metastatic disease. Various retrospective studies and prospective clinical trials are carrying out to validate whether patients with OMPCa could benefit from local treatment for both primary and metastatic lesions. The investigators here to conduct a unique clinical trial which OMPCa patients were confirmed by conventional imaging, and received a long-term enhanced systemic therapy accompanied by tumor-directed therapy.

Detailed Description: Recent studies showed that metastatic lesion of prostate cancer may originate from both the primary and the existing metastatic lesion, thus, disease with limited number of metastatic lesions were considered as oligo-metastatic prostate cancer (OMPCa), an intermediated state between localized and poly-metastatic disease. For patients with newly diagnosed OMPCa, serval studies revealed that prostate radiation therapy could improve their clinical outcomes. For patients with oligo-recurrent prostate cancer, they could also be benefit from stereotactic ablative radiation therapy to the metastatic lesion. The investigators thus designed a distinct clinical trial including patients who were confirmed as oligo-metastatic disease by conventional imaging modality (CT, MRI and ECT) rather than PSMA PET-CT. This study also aimed to evaluate the therapeutic effects of tumor-directed treatment under the background of long-term enhanced systemic therapy, including abiraterone, enzalutamide or apalutamide. Here, the investigators proposed that, for patients with de novo oligo-metastatic prostate cancer, enhanced systemic treatment combined with radical treatment of primary lesion and radiotherapy of all accessible metastatic lesions may prolong their survival time without affecting their quality of life.