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p53稳定增强[¹⁷⁷Lu]Lu-DOTATATE在神经母细胞瘤外移植患者的治疗

Hanna Berglund¹, Sara Lundsten Salomonsson^1,2, Tabassom Mohajershojai¹

¹Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, SE-751 85, Uppsala, Sweden.

European journal of nuclear medicine and molecular imaging

|October 12, 2023

概括

结合VIP116和流-177 ([¹⁷⁷Lu]Lu-DOTATATE) 分子辐射疗法,显示了治疗神经母细胞瘤的前景. 这种组合疗法显著改善了小鼠的生存率和缓解率,为这种癌症提供了潜在的新治疗方法.

科学领域:

在瘤学瘤学.
放射化学放射化学是指辐射化学.
分子生物学分子生物学

背景情况:

分子辐射疗法,使用诸如[¹⁷⁷Lu]Lu-DOTATATE之类的药物,对微转移是有效的.
p53蛋白对于DNA损伤后的亡信号至关重要,并且可以成为放射敏感化的目标.

研究的目的:

为了研究p53-稳定性VIP116与[¹⁷⁷Lu]Lu-DOTATATE结合用于神经母细胞瘤治疗的疗效.
评估VIP116和[¹⁷⁷Lu]Lu-DOTATATE作为单一疗法和结合治疗小鼠中神经母细胞瘤异种移植.

主要方法:

在神经母细胞瘤瘤中证实[177]Lu-DOTATATE的吸收.
评估了VIP116作为单一疗法的疗效.
使用安慰剂,VIP116,[¹⁷⁷Lu]Lu-DOTATATE或其组合的治疗神经母细胞瘤外移植的小鼠.

主要成果:

与安慰剂相比,VIP116和[Lu]Lu-DOTATATE单一治疗显著增加了中位生存时间 (90天和96.5天与50.5天对比).
组合疗法将中位生存时间延长到120天以上,并使完全缓解率翻了一番.
没有观察到显著的毒性;治疗调节了亡,缺氧和血管生成.

结论:

VIP116和[Lu]Lu-DOTATATE的组合是神经母细胞瘤的一种有前途的新疗法.
这些发现支持进一步研究神经母细胞瘤患者的潜在治疗方法.

关键词:

分子辐射疗法分子辐射疗法神经母细胞瘤是一种神经母细胞瘤.辐射敏感化辐射敏感化 [177Lu]Lu-DOTATATE 是一种酸盐.在p53中,p53是什么?

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