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Lancet:新型抗结核方案治疗方案

2015-07-06 徐媛媛译 MedSci原创

缩短结核治疗疗程的新型抗结核治疗方案成为迫切的需求。研究人员进行了一项开放标签的2b期研究探讨了莫西沙星、pretomanid (前身为PA-824)和吡嗪酰胺联合方案在前8周抗结核治疗疗程中的疗效和安全性。 研究人员在南非和坦桑尼亚的8个地点进行了开放标签的2b期研究,纳入对药物敏感的肺结核患者,并随机分为三组进行8周的治疗:莫西沙星,100mg pretomanid和吡嗪酰胺(MPa100Z

缩短结核治疗疗程的新型抗结核治疗方案成为迫切的需求。研究人员进行了一项开放标签的2b期研究探讨了莫西沙星、pretomanid (前身为PA-824)和吡嗪酰胺联合方案在前8周抗结核治疗疗程中的疗效和安全性。

研究人员在南非和坦桑尼亚的8个地点进行了开放标签的2b期研究,纳入对药物敏感的肺结核患者,并随机分为三组进行8周的治疗:莫西沙星,100mg pretomanid和吡嗪酰胺(MPa100Z方案);莫西沙星,200mg pretomanid和吡嗪酰胺(MPa200Z方案);药物敏感性肺结核的标准治疗方案,异烟肼,利福平,吡嗪酰胺和乙胺丁醇(HRZE方案);接受MPa200Z方案多药耐药(MDR)结核的患者(DRMPa200Z 组)。主要结局终点杀菌活性,定义为每毫升隔夜痰(每周收集一次)中结核杆菌菌落形成单位(CFUs)的平均每日下降率。研究人员还监测不良事件评估其安全性。

研究收纳了来自2012年3月24日到2013年7月26日的207例患者并随机分配到各治疗组,其中60名患者分配到MPa100Z方案组,62名分配到MPa200Z方案组,59名分配到HRZE方案组,有26名耐药结核患者非随机接受DRMPa200Z方案。对于药物敏感性结核,0-56天时MPa200Z方案组(n=54,0·155, 95% CI 0·133-0·178)的杀菌活性显著高于HRZE组(n=54. 0·112, 0·093-0·131)。DRMPa200Z(n=9)杀菌活性为0.117(0·070-0·174)。7-14天的杀菌活性与7-56当天的杀菌活性有强相关性。最常见的不良事件是高尿酸血症,有59人(29%)出现(MPa100Z组17 [28%]名, 在HRZE组17[29%]名,在HRZE组17 [29%]名,在DRMPa200Z组为8[31%]名)。其他常见不良事件有恶心(在MPa100Z组14 [23%]名,在MPa200Z组8 [13%]名, 在HRZE组7[12%]名和在DRMPa200Z组8 [31%]名)和呕吐(在MPa100Z组7 [12%]名,在MPa200Z组7 [11%]名,在HRZE组7 [12%]名, 和在DRMPa200Z组4 [15%]名)。

以上研究结果显示,莫西沙星、pretomanid和吡嗪酰胺的组合是安全的,耐受性良好,在8周治疗中显示出对药物敏感性结核患者更优的杀菌活性。药物敏感性结核和MDR结核的结果是一致的。这个新方案准备进入3期试验来简化治疗目标。

原始出处

Dawson R1, Diacon AH2, Everitt D3, van Niekerk C4, Donald PR5, Burger DA6, Schall R6, Spigelman M7, Conradie A4, Eisenach K8, Venter A9, Ive P10, Page-Shipp L11, Variava E12, Reither K13, Ntinginya NE14, Pym A15, von Groote-Bidlingmaier F16, Mendel CM7.Efficiency and safety of the combination of moxifloxacin, pretomanid (PA-824), and pyrazinamide during the first 8 weeks of antituberculosis treatment: a phase 2b, open-label, partly randomised trial in patients with drug-susceptible or drug-resistant pulmonary tuberculosis.Lancet. 2015 May

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    2016-03-14 howi
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    2015-07-08 huaxipanxing

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    2015-07-08 wgx309

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