ArticleClinical & experimental metastasis2022
Oligoprogressive castration-resistant prostate cancer treated with metastases-directed stereotactic body radiation therapy: predictive factors for patients' selection.
Article in Clinical & experimental metastasis, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.
- The current landscape of stereotactic body radiation therapy for metastatic castration-resistant prostate cancer.Prostate cancer and prostatic diseases · 2025Pooled it
- The impact of stereotactic ablative radiotherapy on oligoprogressive metastases from renal cell carcinoma.Journal of cancer research and clinical oncology · 2023Article
- A predictive model of polymetastatic disease from a multicenter large retrospectIve database on colorectal lung metastases treated with stereotactic ablative radiotherapy: The RED LaIT-SABR study.Clinical and translational radiation oncology · 2023Article
- Radiotherapy in Oligometastatic, Oligorecurrent and Oligoprogressive Prostate Cancer: A Mini-Review.Frontiers in oncology · 2022Review
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oligoprogression is defined as limited metastatic clone resistant to on-going systemic treatment that grows in a background of stable or responding systemic disease. Aim of the present study was to analyze oligoprogressive prostate cancer (PC) patients treated with stereotactic body radiation therapy (SBRT) during systemic treatment to identify predictive factors and improve patients' selection. We included PC patients treated with SBRT on a maximum of 3 sites of oligoprogression during systemic therapy. Endpoints were freedom from polymetastatic progression (FPP), local control (LC), distant progression free survival (DPFS), overall survival (OS), and next systemic therapy free survival (NEST-FS). Fifty-three patients were treated on 85 oligoprogressive metastases. Lymph nodes were the most common sites (56.47%), followed by bone (39.29%). Median follow-up was 24.9 months. Rates of FPP at 1- and 2-year were 80.1% and 68.9%, respectively. Median time to polymetastatic progression was 33.7 months. Disease free interval (p = 0.004), site of metastases (p = 0.011), and type of systemic therapy (p = 0.003) were significant for FPP. Switch or intensification of systemic therapy after SBRT was observed in 29 (54.72%) patients with a median NEST-FS of 15.2 months. LC at 1- and 2-year was 94.0% and 92.0%, with PSA doubling time resulted to be significantly associated (p = 0.047). Median DPFS was 8.93 months and median OS was 50.6 months. In conclusion, we confirmed the efficacy of SBRT for oligoprogression from PC, with the potential to prolong the on-going systemic therapy and interrupt the metastatic cascade.
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