Direct radiolabeling of antibody against stage specific embryoni

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant... – Attached to antibody or antibody fragment or immunoglobulin;...

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5303915, 5303913, 530866, A61K 4902, A61K 4300, A61K 39395, C07B 5900

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active

053466870

ABSTRACT:
Antibody against stage specific embryonic antigen-1 is radiolabeled by direct means with a radionuclide for use in detection of occult abscess and inflammation. Radiolabeling is accomplished by partial reduction of the disulfide bonds of the antibody using Sn(II), or using other reducing agents followed by the addition of Sn(II), removal of excess reducing agent and reduction by-products, and addition of a specified amount of radionuclide reducing agent, such as stannous tartrate. The resulting product may be store frozen or lyophilized, with radiolabeling accomplished by the addition of the radionuclide.

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