针对缺血性中风和同时发生心房动和动脉样硬化的最佳抗血栓药物:一项随机临床试验
Shuhei Okazaki1,2, Kanta Tanaka3,4, Yukako Yazawa5
1Department of Neurology, NHO Osaka National Hospital, Osaka, Japan.
JAMA neurology
|October 6, 2025
概括
在缺血性中风,心房动和心血管疾病患者的抗凝剂治疗中添加抗血小板药物没有提供净临床益处. 这种联合治疗增加了出血风险,但没有减少缺血事件,使抗凝固剂单一治疗成为首选的策略.
科学领域:
- 心血管医学 心血管医学
- 神经学 神经学
- 临床试验 临床试验
背景情况:
- 患有缺血性中风,非膜心房动和动脉样性心血管疾病的患者面临复发性缺血事件的高风险.
- 联合抗凝剂和抗血小板治疗可能会降低缺血风险,但显著增加出血并发症.
- 这种高风险人群的最佳抗血栓策略仍然不确定,需要进一步的临床研究.
研究的目的:
- 评估在患有缺血性中风或短暂缺血性发作的患者中,将抗血小板剂添加到抗凝剂治疗中的净临床益处.
- 为了比较联合抗血栓治疗与抗凝固剂单一治疗的疗效和安全性,在同时患有非膜性心房动和动脉样硬化心血管疾病的患者中.
主要方法:
- 一个多中心的,开放的,随机的临床试验,涉及316名患者在41个地点在日本.
- 最近患有缺血性中风/TIA,非膜心房动和动脉样硬化心血管疾病的患者随机分配到组合疗法 (抗凝剂+抗血小板药物) 或抗凝剂单疗法.
- 主要结局是2年内缺血性心血管事件和严重出血的组合,并分析了二次安全性和有效性终点.
主要成果:
- 试验在临时分析后由于徒劳而提前结束.
- 主要结局发生率在两组之间是相似的 (17.8%对19.6%),并没有显著减少结合疗法 (11.1%对14.2%) 的缺血性心血管事件.
- 组合疗法与重大和临床相关的非重大出血风险显著增加 (19.5%与8.6%相比).
结论:
- 在患有缺血性中风,非膜性心房动和动脉样性心血管疾病的患者中,添加抗血小板剂到抗凝剂治疗中,并没有提供净临床益处.
- 组合策略显著增加出血风险,但没有相应减少缺血事件.
- 抗凝固剂单一治疗似乎是一个更安全和同样有效的策略,用于管理这种患者队列中的抗血栓需求.
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