Abstract
Background
Oligometastatic hormone-sensitive prostate cancer (omHSPC) represents a favorable and potentially curable disease state in which metastasis-directed therapy (MDT) improves outcomes. The combination of MDT and systemic treatment is the next frontier of omHSPC.
Objective
To review and synthesize current evidence from prospective trials evaluating MDT alone or combined with systemic therapy in synchronous and metachronous omHSPC, and to highlight the evolving role of advanced imaging, genomics, and ongoing efforts in refining treatment strategies.
Methods
This review synthesizes data from prospective trials, meta-analyses, and ongoing studies assessing MDT in omHSPC. Key trials include STOMP, ORIOLE, EXTEND, RADIOSA, and the X-MET meta-analysis, with emphasis on clinical outcomes and biomarkers
Results
In metachronous omHSPC, STOMP and ORIOLE phase II trials demonstrated that MDT significantly improves progression-free survival (PFS) and delays androgen deprivation therapy (ADT) compared to observation. The EXTEND and RADIOSA trials suggest combining MDT with short-term ADT further improves outcomes. The X-MET meta-analysis confirmed benefits in PFS, radiographic PFS, and castration-resistance-free survival with MDT. No randomized trial has yet evaluated MDT with current standard of care ADT + androgen receptor pathway inhibitor (ARPI) therapy, though EXTEND did include a limited subset of patients receiving ARPI. Advanced imaging, especially PSMA-PET, is transforming MDT planning by enabling more accurate lesion detection than conventional imaging. In synchronous omHSPC, the role of MDT remains under investigation in ongoing trials such as TERPS, STAMPEDE2 and START-MET.
Conclusions
MDT offers clinical benefit in metachronous omHSPC, particularly when combined with systemic therapy. Advanced imaging and genomic profiling are critical tools for refining patient selection. Most data stem from phase II studies without ADT + ARPI control groups; larger randomized trials are needed to define the role of MDT in standard practice and optimize personalized care strategies.
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Acknowledgements
PTT is funded by an anonymous donor, Movember Foundation-Distinguished Gentlemen’s Ride-Prostate Cancer Foundation, and the National Institutes of Health and National Cancer Institute (1R01CA271540 and U54CA273956) and Department of Defense (W81XWH-21-1-0296). XS is supported by the NIH/NCI T32 Training Grant in Cancer Biology (T32CA154274). PS is supported by the Prostate Cancer Foundation. AJA is funded by NIH 5R01CA233585–05.
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Conceptualization: XS, PS, and PT. Literature search: XS and PS. Drafting of manuscript: XS and PS. Critical review of manuscript: XS, JHW, BC, AA, SKS, PT, RJP, MPD, HZ, KB, MC, AJA, CT, and PS.
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PTT disclosures: Consulting/advisory role and Patent with Natsar Pharmaceuticals (Compounds and methods of use in ablative radiotherapy. Patent filed 3/9/2012. PCT/US2012/028475. PCT/WO/2012/122471) licensed with royalties to Natsar Pharmaceuticals. Consulting/advisory role and research funding with Astellas Pharma, Reflexion Medical, Bayer Health. Consulting/advisory role with Bayer, Regeneron, Pfizer, Janssen, AstraZeneca, Lantheus, and Novartis. SKS reports grants from AstraZeneca, Johnson and Johnson, and Regeneron; consulting/advisory roles for Apricity Health LLC, Arcus Biosciences, Baird, Bayer, Boxer Capital, Breaking Data, Bristol Myers Squibb, Dava Oncology, Dendreon, Hervolution, Johnson & Johnson, Kahr Medical Ltd, Kiniksa Pharmaceuticals, Macrogenics, Merck, NoeticInsight, Novartis, OncLive (owned by Intellisphere, LLC), Pfizer, Portage, Regeneron, Rondo Therapeutics, The Clinical Comms Group, and Vicero. CT disclosure: drug support for trial from Merck, drug and financial support from Noxopharm; Assay and financial support from Myriad Genetics; Royalties and licenses with Wolter Kluwer, Stanford Office of Technology and Licensing; Participation on a data safety monitoring board or advisory board with Bayer, Lantheus, Telix, Molli Surgical, Siemen Healthineer; other support from Elekta, Vision RT. AJA disclosure: Research support (to Duke) from the NIH/NCI, PCF/Movember, DOD, Astellas, Pfizer, Bayer, Janssen, BMS, AstraZeneca, Merck, Pathos, Amgen, Novartis; Consulting or advising relationships with Astellas, Pfizer, Bayer, Janssen, BMS, AstraZeneca, Merck, Forma, Celgene, Myovant, Exelixis, GoodRx, Novartis, Medscape, MJH, Z Alpha, Telix.
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Shi, X., Wang, J.H., Chapin, B.F. et al. Integrating systemic therapy and metastasis-directed therapy in oligometastatic hormone-sensitive prostate cancer. Prostate Cancer Prostatic Dis (2025). https://doi.org/10.1038/s41391-025-01041-z
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DOI: https://doi.org/10.1038/s41391-025-01041-z