Lancet:HIV-1成年患者中Dolutegravir疗效优于Raltegravir(SAILING 研究)

2013-07-25 佚名 thelancet

  Dolutegravir(GSK1349572)是一种每日用药一次的HIV整合酶抑制剂,具有强有力的抗抗病毒作用,并且疗效安全。为了评估Dolutegravir在既往接受过抗反转录病毒治疗但未接受过整合酶抑制剂治疗,并且对至少两种类型的药物耐药的HIV-1成年患者的安全性、有效性和即刻耐药反应,来自阿根廷Huesped基金会的Pedro Cahn等设计了相关研究,研究结

  Dolutegravir(GSK1349572)是一种每日用药一次的HIV整合酶抑制剂,具有强有力的抗抗病毒作用,并且疗效安全。为了评估Dolutegravir在既往接受过抗反转录病毒治疗但未接受过整合酶抑制剂治疗,并且对至少两种类型的药物耐药的HIV-1成年患者的安全性、有效性和即刻耐药反应,来自阿根廷Huesped基金会的Pedro Cahn等设计了相关研究,研究结果发表在The Lancet 6月的在线期刊上。

  ING111762(SAILING)是一个为期48周的3期随机双盲对照非劣效性研究,该研究开始于2010年10月。本研究受试者的入组标准为:连续两个血浆的HIV-1 RNA评估拷贝数在400拷贝/mL或更高(除非筛查时>1000拷贝/mL)、对2种或更多种类的抗反转录病毒药物耐药、既往接受过一种或两种完全活性药物的治疗。研究者将符合上述入组要求的受试者按照1:1的比例随机分为2组,一次治疗方案为每日一次50mgDolutegravir,另一组的治疗方案为每日两次400mgRaltegravir治疗,其背景治疗由研究者选择。研究者同时给予患者相匹配的安慰剂治疗。本研究的主要终点事件为在第48周时血浆HIV-1 RNA小于50拷贝/mL的患者所占的比例,在两个治疗组中至少接受过一个药物治疗剂量的患者都被纳入到最后的评价过程中,但是排除了一个治疗中心内违反了良好的临床实践的患者。研究者事先所定义的非劣效性范围为12%。另一个事先定义的次要终点事件为对整合酶抑制剂出现治疗相关的即刻耐药的患者所占的比例。

  本研究的分析纳入了715名患者,其中Dolutegravir组为354人,Raltegravir组为361人。研究结果显示,与Raltegravir相比,Dolutegravir的疗效更佳。同时,研究者也发现在Dolutegravir组中因出现与治疗相关的整合酶抑制剂即刻耐药而造成病毒学失败的患者更少。在各组中不良反应事件的发生频率相似;据报道在Dolutegravir组和Raltegravir组中最常见的不良反应事件包括腹泻(71 [20%] vs 64 [18%])、上呼吸道感染(38 [11%] vs 29 [8%])和头痛(33 [9%] vs 31 [9%])。导致患者终止治疗的安全性事件在两组都很少见,在Dolutegravir组和Raltegravir组分别为9人(3%)和14人(4%)。

  本研究结果指出,与每日两次Raltegravir治疗相比,一日一次应用Dolutegravir治疗,同时辅以至多两种的其他抗反转录病毒治疗具有较好的抗病毒学作用。 

原始出处:

Cahn P, Pozniak AL, Mingrone H, Shuldyakov A, Brites C, Andrade-Villanueva JF, Richmond G, Buendia CB, Fourie J, Ramgopal M, Hagins D, Felizarta F, Madruga J, Reuter T, Newman T, Small CB, Lombaard J, Grinsztejn B, Dorey D, Underwood M, Griffith S, Min S; on behalf of the extended SAILING Study Team.Dolutegravir versus raltegravir in antiretroviral-experienced, integrase-inhibitor-naive adults with HIV: week 48 results from the randomised, double-blind, non-inferiority SAILING study.Lancet. 2013 Jul 2. doi:pii: S0140-6736(13)61221-0.

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    2013-08-05 howi
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    2013-10-10 shizhenshan
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