Lancet:canagliflozin与格列美脲疗效及安全性

2013-07-26 MedSci MedSci原创

钠-葡萄糖协同转运蛋白2(SGLT2)抑制剂通过增加尿液中血糖的排泄来改善2型糖尿病患者的血糖控制。美国一项大型随机双盲3期临床试验比较了SGLT2抑制剂canagliflozin与格列美脲对二甲双胍控制不佳的2型糖尿病患者的有效性和安全性。研究7月11日在线发表于《柳叶刀》杂志(Lancet 2013 Jul 11;) 。 研究人员在19个国家的157个临床中心开展了这项为期52周(200

钠-葡萄糖协同转运蛋白2(SGLT2)抑制剂通过增加尿液中血糖的排泄来改善2型糖尿病患者的血糖控制。美国一项大型随机双盲3期临床试验比较了SGLT2抑制剂canagliflozin与格列美脲对二甲双胍控制不佳的2型糖尿病患者的有效性和安全性。研究7月11日在线发表于《柳叶刀》杂志(Lancet 2013 Jul 11;) 。

研究人员在19个国家的157个临床中心开展了这项为期52周(2009年8月28日~2011年12月21日间)、随机、双盲、阳性对照、3期非劣效性试验。纳入试验的2型糖尿病患者年龄为18~80岁,糖化血红蛋白(HbA1c)水平7.0~9.5%,正接受稳定剂量的二甲双胍治疗;通过计算机生成的随机序列经交互式语音或网络应答系统,将患者随机分配(1:1:1)接受每日口服一次的canagliflozin
100 mg 或300 mg(商品名Invokana,强生旗下杨森制药公司),或格列美脲(每日剂量逐渐增加至6 mg或8 mg。对患者、研究人员和当地申办方人员均设盲。主要终点是HbA1c从基线至52周的变化(比较每种剂量的canagliflozin与格列美脲的疗效差异,非劣效性界值为0.3%)。

研究结果显示,共招募1452例患者,其中有1450例患者接受了至少一种剂量的格列美脲(n=482)、canagliflozin 100 mg(n=483)或canagliflozin 300 mg(n=485)治疗。在52周时,canagliflozin 100 mg组HbA1c的降低幅度不劣于格列美脲组(最小二乘平均降幅为-0.01% [95%
CI:-0.11~0.09]),而canagliflozin 300mg组优于格列美脲组(-0.12% [-0.22~-0.02])。格列美脲组有39例(8%)患者发生严重不良事件,而canagliflozin 100 mg组和300 mg组分别为24例(5%)和26例(5%)。canagliflozin 100 mg、300mg组和格列美脲组出现生殖器霉菌感染例数分别为(女性:26例[11%]和34例[14%] vs. 5例[2%];男性:17例[7%]和20例[8%] vs. 3例[1%]),出现尿路感染的例数分别为(canagliflozin两个剂量组均为31例[6%] vs. 22例[5%]),出现渗透性利尿相关事件例数分别为(尿频:canagliflozin两个剂量组均为12例[3%] vs. 1例 [<1%];多尿:canagliflozin两个剂量组均为4例[<1%] vs. 2例[<1%]),canagliflozin两个剂量组的上述事件发生率均高于格列美脲组。

研究人员认为,canagliflozin对HbA1c的降低幅度大于格列美脲,且正使用二甲双胍治疗的2型糖尿病患者对canagliflozin的耐受性良好。研究结果支持对于二甲双胍单药治疗血糖控制不佳的2型糖尿病患者,canagliflozin是一种可行的治疗选择。

原始出处:

Cefalu WT, Leiter LA, Yoon KH, Arias P, Niskanen L, Xie J, Balis DA, Canovatchel W, Meininger G.Efficacy and safety of canagliflozin versus glimepiride in patients with type 2 diabetes inadequately controlled with metformin (CANTATA-SU): 52 week results from a randomised, double-blind, phase 3 non-inferiority trial. Lancet. 2013 Jul 11. doi:pii: S0140-6736(13)60683-2

 

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    2013-12-09 howi
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    2014-03-06 AspirantSuo
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