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[] 现在的情况是.

M A Peyronneau1, B Kuhnast2, D-L Nguyen2

  • 1Université Paris Saclay, INSERM, CNRS, CEA, Laboratoire d'Imagerie Biomedicale Multimodale (BioMaps), Service Hospitalier Frédéric Joliot, 4 Place du Général Leclerc, F-91401, ORSAY, France. marie-anne.peyronneau@cea.fr.

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概括
此摘要是机器生成的。

同时服用的药物,年龄,性别和BMI显著影响[18F]DPA-714代谢和血水平,影响神经炎症PET成像. 了解这些因素对于准确解释大脑和全身扫描至关重要.

关键词:
在此之前,CYP CYP代谢过程中的代谢.神经炎症是一种神经炎症.定子发射断层扫描 (PET) 是一种定子发射断层扫描.在 TSPO TSPO 中.[18F]DPA-71414 的使用情况

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科学领域:

  • 神经成像是一种神经成像.
  • 放射化学 放射化学是指辐射化学.
  • 药理动力学 药理动力学

背景情况:

  • pozitron发射断层扫描 (PET) 图像利用像[18F]DPA-714这样的标记物来研究神经炎症.
  • 标记物代谢的个体间的变化可能会影响PET扫描解释的准确性.

研究的目的:

  • 评估包括同时服用药物,年龄,性别,体重指数 (BMI) 和18kDa转位蛋白 (TSPO) 结合亲和力等因素如何影响[18F]DPA-714代谢和药理动力学.
  • 评估这些因素对PET成像等离子体输入功能的影响.

主要方法:

  • 使用固相提取方法从201名受试者 (患者和健康对照) 的血中量化了[18F]DPA-714的非代谢分量.
  • 与人口,临床和遗传因素相关的代谢分数和血度,使用多重线性回归和非参数测试.
  • 研究了联合药物对大脑吸收的影响,并比较了个人与基于人口的输入功能.

主要成果:

  • 影响CYP3A4活性的并发药物显著改变了[18F]DPA-714代谢 (高达88%的变化).
  • 随着年龄和BMI的增长,新陈代谢下降,女性的新陈代谢速度比男性更快;TSPO结合亲和力没有影响新陈代谢.
  • 全身PET在富含TSPO的器官中显示出高标志物吸收率,而低亲和度结合剂的吸收率显著降低.

结论:

  • 同时服用的药物 (CYP3A4抑制剂/诱导剂),TSPO遗传状况,年龄,BMI和性别是[18F]DPA-714代谢和度个体间变异的关键因素.
  • 这种变化可以显著影响等离子体输入功能以及PET成像中的随后的大脑和外围吸收测量.
  • 准确解释[18F]DPA-714 PET扫描需要考虑这些影响因素.