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Diabetes Care:利拉鲁肽和西格列汀对超重的2型糖尿病患者的胰腺有何影响?

2017-03-17 MedSci MedSci原创

GLP-1受体激动利拉鲁肽和DPP4抑制剂西格列汀不改变胰腺的形态。

近日,糖尿病领域权威杂志Diabetes Care上发表了一研究文章,研究人员旨在评估GLP-1受体激动利拉鲁肽和DPP4抑制剂西格列汀对胰腺生理和形态的影响。

在这项随机双盲的平行对照研究中, 55名使用二甲双胍和/或磺脲类药物治疗的2型糖尿病患者被分为3组, 分别给予利拉鲁肽组(1.8mg/天, n=19), 西格列汀组(100 mg/天, n=19)和安慰剂组(n=19) 治疗12周。主要终点是监测胰腺外分泌功能的改变情况(十二指肠胰腺分泌液,脂肪酶活性,粪弹性蛋白酶1,糜蛋白酶),次要终点是监测血浆酶浓度和胰腺形态学(MRI)的改变。

此项研究结果显示:没有病人发生胰腺炎。和安慰剂组相比,西格列汀组增加了16.3ml十二指肠胰腺分泌液,而利拉鲁肽组对胰腺的外分泌功能无影响。12周后两种药物均不增加脂肪酶/淀粉酶。然而,利拉鲁肽组在用药第6周时脂肪酶水平有所增加,西格列汀组在用药第2和6周时淀粉酶水平有所增加。12周后两种药物均可增加胰蛋白酶原水平。虽然,利拉鲁肽有增加胰腺体积的趋势,但两种药物均不改变胰腺的形态。治疗引起的胰腺体积扩张与增加淀粉酶水平有关。

该研究说明,对于2型糖尿病患者,采用利拉鲁肽或西格列汀治疗12周之后,只有血浆胰蛋白酶浓度出现了短暂而适度的增加。除了西格列汀引起的少量的十二指肠胰腺分泌液增加之外,胰腺的外分泌功能不受影响。这些离散变化的长期临床效应还需要进一步的研究。

原始出处
Mark M. Smits, et al. Pancreatic Effects of Liraglutide or Sitagliptin in Overweight Patients With Type 2 Diabetes: A 12-Week Randomized, Placebo-Controlled Trial Diabetes Care 2017 Mar; 40(3): 301-308. https://doi.org/10.2337/dc16-0836

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