在对荷尔蒙敏感性前列腺癌的寡头转移性前列腺癌的立体辐射疗法后,系统疗法升级
D Baron1, D Pasquier2, T Pace-Loscos3
1Department of Radiotherapy, Centre Antoine Lacassagne, University Cote d'Azur, Nice, France.
Clinical and translational radiation oncology
|September 13, 2023
概括
立体性身体辐射疗法 (SBRT) 提供了优秀的局部控制小卵性转移性激素敏感前列腺癌 (omHSPC),有效地延迟了全身疗法升级及其副作用.
科学领域:
- 在瘤学瘤学.
- 辐射瘤学 辐射瘤学
- 尿道瘤学 尿道瘤学
背景情况:
- 荷尔蒙敏感性前列腺癌 (omHSPC) 呈现出独特的临床挑战,弥合局部疾病和广泛的转移.
- 晚期前列腺癌的全身疗法可能会产生显著的副作用,使局部治疗对特定患者来说是可取的.
研究的目的:
- 评估在患有小卵性转移性激素敏感前列腺癌 (omHSPC) 的患者中,立体体辐射疗法 (SBRT) 的瘤结果.
- 评估SBRT在延迟系统治疗升级的必要性方面的有效性.
- 报告本地控制率,生存终点和与SBRT相关的毒性.
主要方法:
- 一项回顾性,观察性,多机构研究,涉及119名omHSPC患者 (≤5个转移),接受SBRT治疗.
- 主要终点:全身疗法无升级生存率 (STE-FS).
- 二级终点包括局部复发 (LR),远程复发 (DR),前列腺复发 (PR),分离生化复发 (iBR),无进展生存 (PFS),整体生存 (OS) 和毒性评估.
主要成果:
- 中位数STE-FS为33.4个月;中位数PFS为22.7个月;中位数OS未达到.
- 取得了优异的局部控制,仅有6%的进展发生在照射区域 (95%的局部控制率).
- 在SBRT后的生化反应是STE-FS的独立预后因素,只有1名患者的毒性程度≥3.
结论:
- 在omHSPC患者中,SBRT表现出优异的局部控制和耐受性,作为推迟全身治疗的有效策略.
- 需要更多的随访时间和更大的患者队列的进一步数据,以进行SBRT的最佳患者选择.
- 即将到来的随机试验将进一步了解SBRT对OMHSPC的作用.
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