在血管瘤中使用普罗兰诺洛单一疗法 - 一个机会窗口研究 (PropAngio)
Alaa Embaby1, Kimberley M Heinhuis1, Nikki S IJzerman2
1Department of Medical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, Netherlands; Department of Clinical Pharmacology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, Netherlands.
概括
在血管肉瘤患者中,普罗普拉诺洛单一治疗显示出有限的临床疗效. 虽然两名患者经历了临床益处,但需要进一步的研究来探索这种罕见癌症的有效治疗方法.
科学领域:
- 在瘤学瘤学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 血管肉瘤是一种罕见的,侵略性的内皮细胞癌.
- 作为β-阻断剂的普罗普拉诺洛尔在临床前血管肉瘤模型中表现出抗瘤活性.
- 之前的病例报告表明,propranolol在治疗血管肉瘤方面具有潜力.
研究的目的:
- 为了前性地评估propranolol作为血管肉瘤单一治疗的抗瘤活性.
- 在开始标准治疗之前评估临床和探索性终点.
主要方法:
- 14名血管肉瘤患者接受了普拉诺洛尔 (80-240毫克/天) 3-6周.
- 主要终点:临床反应 (RECIST 1.1或皮肤改善的稳定疾病).
- 探索性终点包括组织学反应 (Ki-67),PET反应和β受体表达.
主要成果:
- 14名患者中有2名 (14%) 实现了临床反应;一个人在PET-CT上有部分代谢反应.
- 没有观察到组织学反应.
- 最常见的不良事件是1/2级胸 (86%);没有严重的不良事件发生.
- 在大多数瘤中,ADRB2过度表达;ADRB1没有过度表达.
结论:
- 在这个机会窗口的试验中,普罗普拉诺洛尔单一治疗没有显示出显著的临床疗效.
- 两名患者经历了临床益处,这表明了潜在的响应者的子集.
- 在本研究中,ADRB1/2表达与临床反应没有相关性.
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