缺氧生物标志物不能预测在BC2001随机对照试验中给予化疗与放射治疗的益处
Tim A D Smith1, Catharine M L West2, Nuradh Joseph3
1Translational Radiobiology Group, Division of Cancer Sciences, University of Manchester, Manchester Cancer Research Centre, Christie NHS Foundation Trust, Manchester, UK; Nuclear Futures Institute, School of Computer Science and Electronic Engineering, Bangor University, Bangor, UK.
EBioMedicine
|February 22, 2024
概括
瘤缺氧状态不会影响肌肉侵入性膀癌 (MIBC) 的化疗益处. 然而,缺氧可能会影响放射治疗的分离灵敏度,这表明需要个性化治疗策略.
科学领域:
- 在瘤学瘤学.
- 翻译研究是翻译研究.
- 基因组学就是基因组学.
背景情况:
- 肌肉侵入性膀癌 (MIBC) 治疗结合了化疗和放射治疗.
- 以前预测的24基因缺氧特征受益于缺氧修饰放射敏感化.
- 这项研究调查了缺氧评分 (HSs) 是否预测MIBC患者的化疗益处.
研究的目的:
- 为了确定瘤缺氧状态是否会影响MIBC患者接受化学辐射治疗的化疗效益.
- 探索假设,低分离辐射疗法可能是有害的缺氧瘤.
- 分析MIBC中缺氧,化疗和放射治疗分化之间的关系.
主要方法:
- 在BC2001试验中从298名MIBC患者的治疗前活检中提取的RNA.
- 根据24个基因签名生成的转录组数据来计算缺氧得分 (HSs).
- 患者分为高缺氧和低缺氧组;放射治疗分成效的探索性分析.
主要成果:
- 在BC2001队列中,没有观察到缺氧评分和化疗益处之间的显著相互作用.
- 高HS与低分离放射治疗中的侵入性局部区域控制 (ILRC) 较差相关,但与常规放射治疗无关.
- 这种关联在独立的BCON队列中得到证实,高HS预测低分离放射治疗中的ILRC.
结论:
- 瘤缺氧状态似乎不会影响MIBC中化疗的益处.
- 缺氧可能会影响对放射治疗分离的敏感性,而缺氧可能会对分离造成损害.
- 进一步的生物标志物分层试验是有必要的,以测试HSs用于个性化膀癌治疗的使用.
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