申请人:The Government of the USA, as Represented by the Secretary, Dpt. of Health and Human Services
公开号:US20040184991A1
公开(公告)日:2004-09-23
The present invention provides an &agr;-particle-emitting radioisotope chelation complex comprising
225
Actinium (
225
Ac) and 1,4,7,10,13,16-hexaazacyclohexadecane-N,N′,N′,N′,N′,N′-hexaacetic acid (HEHA) (
225
Ac-HEHA). Also provided is a bifunctional HEHA, and a bifunctional
225
Ac-HEHA. The bifunctional HEHA and the bifunctional
225
Ac-HEHA can be conjugated to a targeting agent. In view of the above, the present invention provides a method of making HEHA and methods of making a bifunctional HEHA, including a conjugate thereof Also provided are a method of treating disease, a method of treating cancer, a method of decontaminating a sample from
225
Ac, a method of decontaminating a person who has been externally contaminated with
225
Ac, and a method of detoxifying a person who has internalized
225
Ac.
本发明提供一种α粒子放射性同位素螯合物,包括225锕(225Ac)和1,4,7,10,13,16-六氮杂环十六烷-N,N′,N′,N′,N′,N′-六乙酸(HEHA)(225Ac-HEHA)。还提供一种双功能HEHA和双功能225Ac-HEHA。双功能HEHA和双功能225Ac-HEHA可以与靶向剂结合。鉴于上述,本发明提供了制备HEHA的方法以及制备双功能HEHA及其共轭物的方法。还提供了治疗疾病的方法、治疗癌症的方法、从225Ac中去污染样本的方法、去除外部受到225Ac污染的人的方法以及解毒内部摄入225Ac的人的方法。