Journal
CURRENT OPINION IN UROLOGY
Volume 32, Issue 3, Pages 277-282Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MOU.0000000000000980
Keywords
hormone-sensitive; novel imaging; oligometastatic; prostate cancer; radiotherapy
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The role of radiotherapy in the management of oligometastatic hormone-sensitive prostate cancer (HSPC) has been reviewed. Studies have shown that prostate radiotherapy improves survival in newly diagnosed oligometastatic HSPC and is now recommended standard of care. Additionally, the use of stereotactic ablative radiotherapy for metastases-directed therapy has shown promising results in local control and survival advantage.
Purpose of review The aim of this article is to review the role of radiotherapy in the management of oligometastatic hormone-sensitive prostate cancer (HSPC). Recent findings The M1|RT STAMPEDE trial showed a survival advantage to prostate radiotherapy in newly diagnosed oligometastatic HSPC. The combination of prostate radiotherapy with systemic treatment is now the recommended standard of care. Metastases-directed therapy (MDT) with stereotactic ablative radiotherapy (SABR) in the STOMP and ORIOLE trial reported excellent local control and a survival advantage in metachronous oligometastatic HSPC. Results were consistent with prostate cancer outcomes in the SABR-COMET trial and the NHS England Commissioning through Evaluation scheme (CtE). SABR in synchronous oligometastatic HSPC will be evaluated in a new comparison within the STAMPEDE trial. Current definition of oligometastatic HSPC is based on the number of metastatic lesions on conventional imaging (CT/MRI and Isotope bone scan). Novel imaging, such as PSMA PET/CT provide superior accuracy to conventional imaging. However, limited data exists on the role of novel imaging in determining subsequent clinical outcomes. Prostate radiotherapy improves survival and is standard of care with systemic treatment in newly diagnosed oligometastatic HSPC. The role of SABR in newly diagnosed oligometastatic HSPC is yet to be determined.
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