NEJM:抗肿瘤药心脏毒性十五要点

2016-11-08 钟巧青 张国刚 中国循环杂志

近期,《新英格兰医学杂志》在线发表了《抗肿瘤药物的心脏毒性》一文,以下是这篇文章的要点,值得心血管医师和肿瘤科医师共同关注。 1 过去20年对肿瘤发生发展的分子机制逐步有了深入的了解,并研发出了很多以肿瘤发病机制为基础的、高选择性的抗肿瘤药物; 2 新的肿瘤靶向治疗药物的广泛应用极大程度地改变了多种肿瘤的自然病程,但是在实施治疗期间或是疗程结束后的心血管并发症如血栓性事件、心肌

近期,《新英格兰医学杂志》在线发表了《抗肿瘤药物的心脏毒性》一文,以下是这篇文章的要点,值得心血管医师和肿瘤科医师共同关注。 

1 过去20年对肿瘤发生发展的分子机制逐步有了深入的了解,并研发出了很多以肿瘤发病机制为基础的、高选择性的抗肿瘤药物; 

2 新的肿瘤靶向治疗药物的广泛应用极大程度地改变了多种肿瘤的自然病程,但是在实施治疗期间或是疗程结束后的心血管并发症如血栓性事件、心肌代谢异常等却不容忽视; 

3 有相当一部分乳腺癌患者在使用蒽环霉素或曲妥珠单抗或是联用这两种化疗药物的同时,应用无创的方法观察了患者心功能的变化,研究者们发现,这类患者均出现了亚临床的心血管症状,如有心脏的收缩功能不全,但是临床上并没有明显的心衰症状; 

4 血管内皮生长因子信号通路抑制剂可应用于多种不同的肿瘤,FDA发文批准了10种以上化疗方案,其中均包括血管内皮生长因子信号通路抑制剂; 

5 心血管病学和肿瘤学的研究表明,VEGF信号通路抑制剂的应用与一系列心血管并发症有关,包括高血压、血管毒性效应,心肌毒性等; 

6 这些小分子抑制剂能阻断酪氨酸激酶,有广谱的抗肿瘤效应,扩大了肿瘤药物使用的适应症; 

7 心血管病学与肿瘤学的专家均发现一些酪氨酸激酶抑制剂有显著的心血管毒性效应,伊马替尼(Imatinib)心血管损伤最为轻微,而达沙替尼(Dasatinib)则与心肺损伤明显,,尤其是导致肺动脉高压,Nilotinib和Ponatinib均有血管损伤效应; 

8 一些临床亚组试验表明,肿瘤免疫抑制剂,如免疫节点抑制剂等(尤其是细胞程序性死亡抑制剂-1,PD-1)会产生一些不可预知的反应,即便是那些应用免疫节点抑制剂且病情得到缓解的转移性黑色素瘤患者,也可能出现心脏毒性,目前关于这些新型抗肿瘤药物产生心脏毒性的机制尚不明确; 

9 考虑到人群中心血管病的高发病率,肿瘤患者应用相关的药物时需辨别是否因合并有心血管疾病而出现了心血管事件,或是因为使用抗肿瘤药物而出现心脏毒性; 

10 必须识别每一种新型抗肿瘤药物的心血管毒副作用,同时也要评估使用新型抗肿瘤药物对肿瘤预后的影响,严格评估治疗的净获益; 

11 多中心注册研究会对每一种获批的抗肿瘤药物进行登记和监测,尤其是关注其可能产生的心脏毒性。研究和设计抗肿瘤药物的临床试验时,心血管病学专家和肿瘤学专家应该密切合作,共同判定心血管终点事件; 

12 如已经确定发生与药物毒性相关的心脏损伤,则应该尽量明确产生心脏毒性的可能机制,同时也应该明确患者是否有心血管事件发生的高危因素; 

13 精准医学时代的肿瘤精准治疗方案亦即在选择抗肿瘤药物时应施行个体化治疗,并对药物的毒副作用进行精准评估,尤其是依靠更先进的心血管平台,从而对于抗肿瘤药物潜在的心脏毒性进行监测,尽可能阐明其心脏毒副作用的机理; 

14 肿瘤患者也适用“ABCDE”方案预防心血管疾病,“A”即阿司匹林,“B”即控制血压,“C”调脂以及戒烟,“D”控制血糖以及改善饮食结构,“E”适度运动且适时行超声心动图检查; 

15 心血管病学专家和肿瘤学专家应该对肿瘤和心血管疾病进行更多更深入的研究。

原始出处:
Moslehi JJ. Cardiovascular Toxic Effects of Targeted Cancer Therapies. N Engl J Med.October 13, 2016

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    2016-11-08 doctorJiangchao

    关注化疗药物的副作用 很重要

    0

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    2016-11-08 tcm2000

    关注心脏毒性!

    0