ArticleCancers2025
SBRT in the Very Elderly: A Viable Option for Pulmonary Oligometastases?
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
BACKGROUND/
objectivesThe global population of individuals aged ≥ 80 years is rapidly growing, leading to an increasing incidence of cancer diagnoses in this age group. While stereotactic body radiotherapy (SBRT) has proven effective in treating pulmonary oligometastases, patients over 80 remain underrepresented in clinical analyses. This study aimed to evaluate clinical outcomes and toxicity of SBRT for pulmonary oligometastases in octogenarians.
methodsThis retrospective, single-centre analysis included 34 patients aged ≥ 80 years treated with SBRT for histologically confirmed pulmonary oligometastases between 2010 and 2024.
resultsA total of 46 pulmonary metastases were treated with curative intent using fractionation schemes of 3 × 15 Gy, 6 × 8 Gy, or 10 × 6 Gy. Median biologically effective dose (BED10) was 112.5 Gy. Follow-up included regular CT imaging and toxicity assessment according to CTCAE. With a median follow-up of 22.6 months, 1-, 2-, and 3-year local control (LC) rates were 95.2%, 95.2%, and 90.2%, respectively. Median overall survival (OS) was 46.6 months, with 1-, 2-, and 3-year OS rates of 78.4%, 71.4%, and 59.5%. Progression-free survival (PFS) at 1, 2, and 3 years was 63.4%, 51.6%, and 47.3%, respectively. No grade ≥ 3 toxicities were observed. Grade 2 pneumonitis and dermatitis occurred in 2.9% each and were well managed. Asymptomatic rib fractures were detected in 5.9% of patients. No significant predictors for LC, PFS, or OS were identified in univariate analysis.
conclusionsSBRT for pulmonary oligometastases in patients ≥ 80 years is feasible, safe, and effective. High local control, favourable cancer-specific survival, and minimal toxicity support its use as a curative-intent treatment in this growing patient population. These findings contribute important site- and age-specific evidence and support the inclusion of very elderly patients in future prospective SBRT trials.
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