BZM055, an Iodinated Radiotracer Candidate for PET and SPECT Imaging of Myelin and FTY720 Brain Distribution
作者:Emmanuelle Briard、David Orain、Christian Beerli、Andreas Billich、Markus Streiff、Marc Bigaud、Yves P. Auberson
DOI:10.1002/cmdc.201000477
日期:2011.4.4
as a surrogate tracer to study its pharmacokinetics and organ distribution in patients and, given that FTY720 accumulates in myelin sheaths, for myelin imaging. BZM055 (2 a, 2‐iodo‐FTY720) can be easily radiolabeled with 123I (for SPECT) or 124I (for PET). Not only does it closely mimic the pharmacokinetics and organ distribution of FTY720, but also its affinity, selectivity for S1P receptors, phosphorylation
FTY720(芬戈莫德,Gilenya®)是一种鞘氨醇1-磷酸(S1P)受体调节剂,在多发性硬化症患者口服后显示出显着的治疗功效。由于FTY720不包含其PET或SPECT放射性同位素的半衰期与其药代动力学性质兼容的任何原子,因此不能直接用于成像。相反,我们建议使用BZM055作为替代示踪剂,以研究其在患者中的药代动力学和器官分布,并考虑到FTY720积累在髓鞘中,用于髓鞘成像。BZM055(2 a,2- iodo -FTY720)可以轻松地用123 I(用于SPECT)或124进行放射性标记我(用于PET)。它不仅紧密模拟了FTY720的药代动力学和器官分布,而且还紧密模拟了FTY720的亲和力,对S1P受体的选择性,磷酸化动力学以及整体理化特性。[ 123 I] BZM055目前正在开发用于临床成像。