Comparison of relative benefits of non-vitamin K antagonist oral anticoagulants between cancer patients and ordinary patients: a meta-analysis of randomized controlled trials
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摘要: 目的:探讨非维生素K拮抗剂(NOACs)和传统维生素K拮抗剂(VKAs)在癌症患者和非癌症患者中预防和治疗血栓性疾病时的相对有效性和安全性。方法:对PubMed、Web of Science、Embase和Clinical Trials电子数据库进行检索,不设语言限制,检索时限为2019年7月之前。将所有NOACs数据合并,计算血栓性疾病和大出血事件的相对风险(RRs)和95%置信区间(CIs)。结果:共纳入9篇随机对照试验(RCTs),包含80 666例患者,其中非癌症患者74 353例,癌症患者6 313例。荟萃分析结果提示,在癌症患者中,NOACs相对于VKAs可显著减少血栓栓塞(RR 0.69,95%CI 0.54~0.88)和大出血(RR 0.76,95%CI 0.62~0.93)事件;在非癌症患者中,NOACs相对于VKAs可显著减少大出血事件(RR 0.68,95%CI 0.54~0.86),但在血栓栓塞性事件上无明显差别(RR 1.02,95%CI 0.90~1.15)。结论:在癌症患者中,NOACs的相对有效性表现得更加明显,但无论对于癌症还是非癌症患者,相比于VKAs,NOACs可能是更好的选择。Abstract: Objective:To explore that the relative efficacy and safety of new oral non-vitamin K oral antagonists(NOACs) and traditional vitamin K oral antagonists(VKAs) in the prevention and treatment of thrombotic diseases in cancer patients and non-cancer patients.Method:We searched electronic databases such as PubMed,Web of Science,Embase and Clinical Trials,without language restrictions,until June 2019.We pooled data of all NOACs,and calculated relative risks(RRs) and 95% confidence intervals(CIs) of each outcomes.Result:A total of 9 studies were included,including 80 666 patients,of whom 6 313 cancer patients and 74 353 non-cancer patients.Resultsof the meta-analysis suggested that in cancer patients,NOACs significantly reduced thromboembolic events(RR 0.69,95%CI 0.54-0.88) and major bleeding events(RR 0.76,95%CI 0.62-0.93) compared with VKAs.In non-cancer patients,NOACs significantly reduced major bleeding events compared with VKAs(RR 0.68,95%CI 0.54-0.86),but there was no significant difference in thromboembolic events(RR 1.02,95%CI 0.90-1.15).Conclusion:The relative effectiveness of NOACs is more pronounced in cancer patients,but may be a better choice than VKAs for both cancer and non-cancer patients.
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Key words:
- non-vitamin K oral antagonists /
- cancer /
- thrombotic disease /
- major bleeding
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