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对于患有癌的不可手术的患者进行立体体射线疗法
Léa Kotzki1, Corina Udrescu1, Ariane Lapierre1
1Department of Radiotherapy-Oncology, Lyon Sud Hospital, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite, France.
The French journal of urology
|February 16, 2024
概括
针对不可操作的细胞癌 (RCC) 的立体体辐射疗法 (SBRT) 没有显示高剂量的毒性增加. 更高的SBRT剂量可能会改善RCC患者的局部控制率.
科学领域:
- 在瘤学瘤学.
- 辐射瘤学 辐射瘤学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 无法手术的小细胞癌 (RCC) 提出了治疗挑战.
- 立体体辐射疗法 (SBRT) 是不适合进行手术的患者的替代方案.
- 评估SBRT剂量反应对于优化治疗结果至关重要.
研究的目的:
- 评估SBRT的安全性和有效性,基于不可手术的RCC患者的剂量水平.
- 分析SBRT与毒性之间的剂量依赖关系.
- 研究SBRT剂量对局部控制 (LC) 和功能的影响.
主要方法:
- 24名未经手术的RCC患者接受SBRT治疗 (2011-2020年) 的回顾性分析.
- 根据生物有效剂量 (BED10) 将患者分为两组:<60Gy和≥60Gy.
- 剂量组之间的急性/晚期毒性,功能 (eGFR) 和局部控制的比较.
主要成果:
- 没有观察到≥3级的急性或晚期毒性. 1-2级毒性很少发生 (37%急性,14%晚期).
- 剂量组之间急性 (P=0.21) 或晚期 (P=0.27) 毒性没有显著差异.
- 两组之间功能变化 (P=0.06) 或局部对照率 (P=1.95) 没有显著差异,尽管在较高剂量时发现了更高LC的趋势 (77.8% vs 85.7%).
结论:
- 在不可操作的RCC中,SBRT剂量升级至BED10 ≥60Gy是安全的,没有显著的毒性增加.
- 更高的SBRT剂量可能与改善的局部控制有关,这需要进一步调查.
- 对于不可操作的RCC,SBRT是一种可行的治疗选择,具有有利的毒性和疗效.
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