Br J Radiol:老年非黑素瘤皮肤癌患者的短疗程加速放疗耐受性良好,高剂量的效果更佳

2022-07-17 sunshine MedSci原创

非黑素瘤皮肤癌(NMSC),包括基底细胞癌(BCC)和鳞状细胞癌(SCC),是白种人中最常见的癌症,调查研究显示80岁以上的人的发病率最高。

非黑素瘤皮肤癌(NMSC),包括基底细胞癌(BCC)和鳞状细胞癌(SCC),是白种人中最常见的癌症,调查研究显示80岁以上的人的发病率最高。较大的皮损往往带来疼痛、出血和败血症,给病人和护理人员带来不适。近日,发表于Br J Radiol的一项前瞻性I期试研究评估了短程加速放射治疗(SHARON)方案在治疗老年患者非黑色素瘤皮肤癌(NMSC)方面的可行性和安全性。

研究纳入组织学确认的非黑色素瘤皮肤癌的老年患者(年龄≥80岁)。主要终点是确定最大耐受剂量(MTD)。放疗方案是基于四个放疗分次(每个分次5Gy),每天两次分次,连续两天。三个不同的剂量水平:20Gy(一个周期),40Gy(两个周期)和60Gy(三个周期)。

结果,研究共纳入30名患者(中位年龄:91岁;范围:80-96)进行分析。在完成一个周期的14名患者中,只有一名(7%)试验了急性G4皮肤毒性。12名患者报告了基线症状的改善或解决(总体姑息缓解率:85.8%)。9名和7名患者分别接受了两个和三个RT周期:其中没有G3毒性的记录。在进行三个周期的治疗时,总缓解率为100%。接受一个疗程和多个疗程治疗的患者的六个月无症状生存率分别为78.7%和77.8%。

综上所述,该研究结果表明,老年非黑素瘤皮肤癌患者的短疗程加速放疗耐受性良好。就缓解率而言,高剂量似乎更有效。

原始出处:

Milena Ferro, et al., A SHort course Accelerated RadiatiON therapy (SHARON) dose-escalation trial in older adults head and neck non-melanoma skin cancer. Br J Radiol. 2022 Jun 1;95(1134):20211347.

doi: 10.1259/bjr.20211347. 

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    2022-12-31 amy0550
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