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Pharmacokinetics and Biodistribution of ^sup 111^In- and ^sup 177^Lu-Labeled J591 Antibody Specific for Prostate-Specific Membrane Antigen: Prediction of ^sup 90^Y-J591 Radiation Dosimetry Based on ^sup 111^In or ^sup 177^Lu?
- Article from:
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The Journal of Nuclear Medicine
- Article date:
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April 1, 2005
- Author:
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Copyright informationCopyright Society of Nuclear Medicine Apr 2005. Provided by ProQuest LLC. (Hide copyright information)
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^sup 111^In-Labeled antibodies and peptides have been routinely used as chemical and biologic surrogates for ^sup 90^Y-labeled therapeutic agents. However, recent studies have shown that there are significant differences in biodistribution between ^sup 111^In- and ^sup 90^Y-labeled agents. Yttrium and lutetium metals favor the +3 oxidation state, similar to indium, but there are minor differences in the solution and coordination chemistries among these metals. These 3 metals, however, form strong complexes with the macrocyclic chelator, 1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid (DOTA). We, therefore, compared the pharmacokinetics and biodistribution of ^sup 111^In- and ...
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