患者衍生器官预测转移性结直肠癌的治疗反应
Lidwien P Smabers1,2, G Emerens Wensink1, Carla S Verissimo3
1Department of Medical Oncology, University Medical Center Utrecht (UMCU), Utrecht University, Utrecht, the Netherlands.
概括
患者衍生器官 (PDO) 准确预测转移性结直肠癌 (mCRC) 的治疗反应. 这项研究确定了PDO成功建立的预测因素,并验证了它们在预测患者5 - 甲和甲治疗结果中的有用性.
科学领域:
- 在瘤学瘤学.
- 翻译研究是翻译研究.
- 癌症建模 癌症建模
背景情况:
- 在转移性结直肠癌 (mCRC) 中准确预测治疗反应对于优化患者护理和最大限度地减少毒性至关重要.
- 患者衍生器官 (PDO) 为预测治疗疗效提供了一个有希望的临床前模型,但需要在前性研究中进一步验证.
研究的目的:
- 确定从mCRC患者中成功建立PDO的预测因素.
- 评估PDO对患者对全身治疗反应的预测价值.
- 评估PDO药物敏感性和患者生存结果之间的关联.
主要方法:
- 在PDO建立新的全身治疗之前,从mCRC患者获得了转移性活检.
- 种植PDO,并使用七种药物小组评估药物敏感性.
- 通过病变大小的变化来评估患者的反应,并使用ROC分析确定诊断性能.
- 分析了与无进展和整体存活的相关性.
主要成果:
- 获得PDO的成功率达到52%,预测因素包括男性性别,乳酸脱酶水平,学术医院环境和优化培养条件.
- PDO药物敏感性与活检损伤反应 (R = 0.41-0.49) 和所有目标损伤 (R = 0.54-0.60) 都有显著的相关性.
- 在PDO中对5-甲和甲的查显示了高的预测准确性 (AUC:0.78-0.88) 并与改善的无进展和整体存活相关.
结论:
- 确定了成功建立mCRC PDO的预测因素.
- 产品在系统治疗期间准确预测患者的结果方面显示出显著的潜力.
- 该研究验证了PDOs的使用,特别是与5-甲和甲一起,用于mCRC的治疗反应预测.
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