Gastrin receptor-avid peptide conjugates

Drug – bio-affecting and body treating compositions – Radionuclide or intended radionuclide containing; adjuvant... – In an organic compound

Reexamination Certificate

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C424S001110, C424S001650, C424S009100, C530S300000, C530S309000

Reexamination Certificate

active

06921526

ABSTRACT:
A compound for use as a therapeutic or diagnostic radiopharmaceutical includes a group capable of complexing a medically useful metal attached to a moiety which is capable of binding to a gastrin releasing peptide receptor. A method for treating a subject having a neoplastic disease includes administering to the subject an effective amount of a radiopharmaceutical having a metal chelated with a chelating group attached to a moiety capable of binding to a gastrin releasing peptide receptor expressed on tumor cells with subsequent internalization inside of the cell. A method of forming a therapeutic or diagnostic compound includes reacting a metal synthon with a chelating group covalently linked with a moiety capable of binding a gastrin releasing peptide receptor.

REFERENCES:
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patent: 5428019 (1995-06-01), Edwards et al.
patent: 5686410 (1997-11-01), Albert et al.
patent: 6200546 (2001-03-01), Hoffman et al.
Giblin et al (1998), Proc. Natl. Acad. Sci., USA, vol. 95, pp. 12814-12818.
Walsh et al (1991), J. Med., vol. 155, pp. 152-163.

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