The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2009
Filed:
Jan. 06, 2006
Samuel R. Denmeade, Ellicot City, MD (US);
John T. Isaacs, Pheonix, MD (US);
Samuel R. Denmeade, Ellicot City, MD (US);
John T. Isaacs, Pheonix, MD (US);
Genspera, Inc., San Antonio, TX (US);
Abstract
The instant invention provides compositions comprising a prodrug, the prodrug comprising a therapeutically active drug; and a peptide selected from the group consisting of the sequences: Ser-Ser-Lys-Tyr-Gln (SEQ ID NO:1);Gly-Lys-Ser-Gln-Tyr-Gln (SEQ ID NO:2); and Gly-Ser-Ala-Lys-Tyr-Gln (SEQ ID NO:3) wherein the peptide is linked to the therapeutically active drug to inhibit the therapeutic activity of the drug, and wherein the therapeutically active drug is cleaved from the peptide upon proteolysis by an enzyme having a proteolytic activity of prostate specific antigen (PSA). The invention further provides methods of making and using the claimed compositions.