塔克罗利莫斯配方对大脑血液流动和认知功能的协会
Irisa Mahaparn1, Rebecca J Lepping2,3, Robert N Montgomery4
1Department of Internal Medicine, University of Kansas Medical Center, Kansas City, KS.
Transplantation direct
|July 17, 2023
概括
从即释放 (IR) tacrolimus转换为延长释放 (LCP) tacrolimus可能会改善移植患者的脑血流 (CBF) 和认知功能. 这种变化也可能对脑血管反应 (CVR) 有积极的影响.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 药理学 药理学是指药理学的学科.
- 神经科学是一个神经科学.
背景情况:
- 卡尔西纽林抑制剂,如塔克罗利斯,可以导致血管收缩,可能减少大脑血流 (CBF),并损害脑血管反应 (CVR) 和认知功能.
- 延长释放 (LCP) 塔克罗利斯与即时释放 (IR) 塔克罗利斯相比,可能提供更好的副作用概况.
- 不同的塔克罗利斯配方对CBF,CVR和认知的具体影响仍然基本上是未知的.
研究的目的:
- 为了调查从IR塔克罗利斯切换到LCP塔克罗利斯是否会影响移植 (KT) 接受者的CBF,CVR和认知功能.
- 评估塔克罗利斯配方对脑血管动态和移植后认知表现的影响.
主要方法:
- 一项试点研究随机选择了30名稳定的KT接受者 (2:1比),要么转换为LCP塔克罗利斯,要么继续IR塔克罗利斯.
- 大脑血流 (CBF),脑血管反应 (CVR) 和认知功能在基线和12周被评估.
- 协同变量分析 (ANCOVA) 用于比较各组之间结果变量的变化,控制基线值.
主要成果:
- 在基线或12周内,IR和LCP塔克罗利斯组之间没有观察到血塔克罗利斯水平的显著差异.
- 与对照组相比,切换到LCP tacrolimus的组在CBF,静止中脑动脉速度,CVR和认知功能方面表现出更有利的变化.
- 参与者平均年龄为51岁,手臂之间没有显著的基线差异.
结论:
- 从IR塔克罗利斯切换到LCP塔克罗利斯可以增强CBF,脑血管动力学和认知功能在移植接受者.
- 这些发现表明,LCP tacrolimus在移植后保持或改善神经功能方面具有潜在的益处.
- 需要进行更大规模的随机对照试验来确认这些初步结果,并确定这种配方变化的临床意义.
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