An indole-based in vivo imaging agent is provided by the present invention that binds with high affinity to PBR, has good uptake into the brain following administration, and which has good selective binding to PBR. The invention also includes a precursor compound useful in the synthesis of the in vivo imaging agent of the invention, as well as a method for synthesis of said in vivo imaging agent comprising use of said precursor compound, and a kit for carrying out said method. Also provided is a cassette for automated synthesis of the in vivo imaging agent. Further aspects of the invention include a radiopharmaceutical composition comprising the in vivo imaging agent of the invention, and methods for the use of said in vivo imaging agent.
本发明提供了一种基于
吲哚的体内成像剂,其与PBR具有高亲和力,给药后可以良好地进入大脑,并具有良好的选择性结合PBR。该发明还包括一种在合成本发明的体内成像剂时有用的前体化合物,以及一种合成所述体内成像剂的方法,包括使用该前体化合物,并提供用于执行该方法的工具包。此外,本发明还提供了一种用于自动合成体内成像剂的盒子。本发明的进一步方面包括包含本发明的体内成像剂的放射性制剂组合物,以及使用该体内成像剂的方法。