J Acq Immun Def Synd:Dolutegravir对二甲双胍药代动力学的影响研究

2016-04-05 Mechront 译 MedSci原创

近期发表在J Acquir Immune Defic Syndr的研究称,正在开始或将要停用Dolutegravir的患者为保持最佳血糖控制应考虑调整二甲双胍剂量。Dolutegravir是抗艾滋病毒药物中的整合酶链转移抑制剂,为OCT2转运体蛋白抑制剂;而二甲双胍是OCT2底物。研究者进行了一项非盲三期交叉研究,探究同时服用Dolutegravir和二甲双胍时,Dolutegravir对二甲双胍

近期发表在J Acquir Immune Defic Syndr的研究称,正在开始或将要停用Dolutegravir的患者为保持最佳血糖控制应考虑调整二甲双胍剂量。

Dolutegravir是抗艾滋病毒药物中的整合酶链转移抑制剂,为OCT2转运体蛋白抑制剂;而二甲双胍是OCT2底物。研究者进行了一项非盲三期交叉研究,探究同时服用Dolutegravir和二甲双胍时,Dolutegravir对二甲双胍药代动力学的影响。

该研究共纳入了30名健康成年人,分为2组,每组15人,第一个阶段,5天内接受二甲双胍(每日2次500mg);第二个阶段,7天内一组接受二甲双胍(每日2次500mg)+Dolutegravir(每日50 mg),另一组接受二甲双胍(每日2次500mg)+Dolutegravir(每日2次50 mg);第三个阶段,10天内两组均接受二甲双胍(每日两次500 mg)。

两个治疗方案之间无洗脱期,通过体外试验评估Dolutegravir对二甲双胍转运和细胞旁通透性的影响。

数据显示,联合使用Dolutegravir+二甲双胍时,Dolutegravir(每日50 mg)使二甲双胍曲线下面积(AUC)增加79%,最大血药浓度增加66%;Dolutegravir(每日2次50 mg)则使AUC增加145%,最大血药浓度增加111%。

此外,联合使用Dolutegravir+二甲双胍联合服用耐受良好,Dolutegravir并不影响二甲双胍细胞旁通透性或肠细胞系的摄入。不过Dolutegravir会显著增加二甲双胍的暴露,所以打算开始联用或停用Dolutegravir的患者,需要调整二甲双胍剂量。

原始出处:

Song IH,Zong J,Borland J,et al.The Effect of Dolutegravir on the Pharmacokinetics of Metformin in Healthy Subjects.J Acquir Immune Defic Syndr 2016 Mar 11;[Epub ahead of print]

Metformin Dose Needs Adjusting in Patients Taking Dolutegravir.Medscape.April 04, 2016

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