Patents Represented by Attorney, Agent or Law Firm Patricia A. McDaniels
  • Patent number: 6007792
    Abstract: This invention relates to radiotherapeutic reagents and peptides, radiodiagnostic reagents and peptides, and methods for producing labeled radiodiagnostic and radiotherapeutic agents. Specifically, the invention relates to vasoactive intestinal peptide receptor binding peptides, derivatives and analogues of vasoactive intestinal peptide, and embodiments of such peptides radiolabeled with a radioisotope, as well as methods and kits for making, radiolabeling and using such peptides for radiodiagnostic and radiotherapeutic purposes. The invention specifically relates to vasoactive intestinal peptide receptor binding peptide derivatives and analogues of vasoactive intestinal peptide radiolabeled with technetium-99m and uses thereof as scintigraphic imaging agents. The invention also specifically relates to vasoactive intestinal peptide receptor binding peptide derivatives and analogues of vasoactive intestinal peptide radiolabeled with cytotoxic radioisotopes such as rhenium-186 (.sup.186 Re) and rhenium-188 (.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: December 28, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Daniel A. Pearson, John Lister-James, Edgar R. Civitello
  • Patent number: 5997844
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via a radiolabel-binding moiety covalently attached to a specific binding peptide via an amino acid side-chain of the peptide.
    Type: Grant
    Filed: June 3, 1994
    Date of Patent: December 7, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Scott Buttram, William McBride, John Lister-James, Edgar R. Civitello
  • Patent number: 5997845
    Abstract: This invention relates to radiolabeled scintigraphic imaging agents, and methods and reagents for producing such agents. Specifically, the invention relates to specific binding compounds, including peptides, that bind to a platelet receptor that is the platelet GPIIb/IIIa receptor, methods and kits for making such compounds, and methods for using such compounds labeled with technetium-99m via a covalently-linked radiolabel-binding moiety to image thrombi in a mammalian body.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: December 7, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James, Edgar R. Civitello
  • Patent number: 5993775
    Abstract: The invention relates to radiolabeled imaging of a mammalian body. The invention in particular provides for reagents labeled with technetium-99m for such imaging. The invention provides peptides which bind technetium-99m, rhenium-186, or rhenium-188 and which can be targeted to specific sites within a mammalian body.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: November 30, 1999
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 5989519
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to technetium-99m (Tc-99m) labeled leukocyte-binding peptides, methods and kits for making such peptides, and methods for using such peptides to image sites of infection and inflammation in a mammalian body.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: November 23, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Robert S. Lees, Scott Buttram, John Lister-James
  • Patent number: 5985241
    Abstract: This invention relates to diagnostic and radiodiagnostic agents, including radiolabeled scintigraphic imaging agents, and therapeutic and radiotherapeutic agents. The invention provides such agents and reagents for preparing such agents, and methods for producing and using such reagents. Specifically, the invention provides radiolabeled imaging agents and non-radioactively labeled imaging agents for imaging sites in a mammalian body and reagents for preparing these imaging agents. The invention also provides radiolabeled therapeutic agents, as well as non-radioactively labeled therapeutic agents, and reagents and methods for preparing these agents. The agents and reagents provided comprise a specific binding peptide, covalently linked to a metal ion-complexing moiety. Reagents, methods and kits for making such reagents, methods for labeling such reagents, and methods for using such labeled reagents are provided.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: November 16, 1999
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 5981477
    Abstract: This invention relates to diagnostic and radiodiagnostic agents, including radiolabeled scintigraphic imaging agents, and therapeutic and radiotherapeutic agents. The invention provides such agents and reagents for preparing such agents, and methods for producing and using such reagents. Specifically, the invention provides radiolabeled imaging agents and non-radioactively labeled imaging agents for imaging sites in a mammalian body and reagents for preparing these imaging agents. The invention also provides radiolabeled therapeutic agents, as well as non-radioactively labeled therapeutic agents, and reagents and methods for preparing these agents. The agents and reagents provided comprise a specific binding peptide, covalently linked to a metal ion-complexing moiety. Reagents, methods and kits for making such reagents, methods for labeling such reagents, and methods for using such labeled reagents are provided.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: November 9, 1999
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 5977064
    Abstract: This invention relates to antithrombotic agents and uses thereof. Specifically, the invention relates to chemical moieties that specifically bind to platelets and inhibit their aggregation, including linear and cyclic peptides. The invention provides methods for using these antithrombotic agents to prevent the formation of thrombi at sites in a mammalian body. In particular, the platelet-specific binding moieties including linear and cyclic peptides of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the platelet-specific binding moieties including linear and cyclic peptides. Effficacious antithrombotic agents are thereby provided.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: November 2, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 5976496
    Abstract: The present invention provides methods and kits for detecting cardiovascular disease in a living mammal, using a labeled form of a somatostatin analog. The methods and kits of the invention provide early detection of atherosclerotic plaque, in particular, unstable atherosclerotic plaque, thus allowing therapeutic intervention prior to acute and potentially fatal incidents of cardiovascular disease.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: November 2, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 5976494
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via Tc-99m binding moieties. In particular, the peptide reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 2, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 5972308
    Abstract: This invention relates to diagnostic and radiodiagnostic agents, including radiolabeled scintigraphic imaging agents, and therapeutic and radiotherapeutic agents. The invention provides such agents and reagents for preparing such agents, and methods for producing and using such reagents. Specifically, the invention provides radiolabeled imaging agents and non-radioactively labeled imaging agents for imaging sites in a mammalian body and reagents for preparing these imaging agents. The invention also provides radiolabeled therapeutic agents, as well as non-radioactively labeled therapeutic agents, and reagents and methods for preparing these agents. The agents and reagents provided comprise a specific binding peptide, covalently linked to a metal ion-complexing moiety. Reagents, methods and kits for making such reagents, methods for labeling such reagents, and methods for using such labeled reagents are provided.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: October 26, 1999
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 5968476
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to specific binding peptides, methods and kits for making such peptides, and methods for using such peptides labeled with technetium-99m via a radiolabel-binding moiety covalently linked to the peptide to image thrombus sites in a mammalian body.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 19, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 5965108
    Abstract: This invention relates to diagnostic and radiodiagnostic agents, including radiolabeled scintigraphic imaging agents, and therapeutic and radiotherapeutic agents. The invention provides such agents and reagents for preparing such agents, and methods for producing and using such reagents. Specifically, the invention provides radiolabeled imaging agents and non-radioactively labeled imaging agents for imaging sites in a mammalian body and reagents for preparing these imaging agents. The invention also provides radiolabeled therapeutic agents, as well as non-radioactively labeled therapeutic agents, and reagents and methods for preparing these agents. The agents and reagents provided comprise a specific binding peptide, covalently linked to a metal ion-complexing moiety. Reagents, methods and kits for making such reagents, methods for labeling such reagents, and methods for using such labeled reagents are provided.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: October 12, 1999
    Assignee: Diatide, Inc.
    Inventor: Richard T. Dean
  • Patent number: 5965107
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via a radiolabel-binding moiety which forms a neutral complex with Tc-99m.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: October 12, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Scott Buttram, William McBride, John Lister-James, Edgar R. Civitello
  • Patent number: 5955426
    Abstract: This invention relates to therapeutic reagents and peptides, including radiotherapeutic reagents and peptides, and radiodiagnostic reagents and peptides. Specifically, the invention relates to cyclic peptide derivatives and analogs of somatostatin, and embodiments of such peptides radiolabeled with a radiosiotope, as well as methods for using such peptides for radiodiagnostic and radiotherapeutic purposes.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: September 21, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T Dean, William McBride, John Lister-James
  • Patent number: 5951964
    Abstract: This invention relates to radiolabeled reagents, including specific-binding peptide embodiments thereof, and methods for producing and using such reagents. Specifically, the invention relates to reagents for preparing scintigraphic imaging agents for imaging sites in a mammalian body. Reagents, methods and kits for making such reagents, and methods for using such reagents labeled with technetium-99m (Tc-99m) via Tc-99m binding moieties comprising said reagents, are provided. In particular, the specific-binding peptides and Tc-99m binding moieties comprising the reagents of the invention are covalently linked to a polyvalent linker moiety, so that the polyvalent linker moiety is covalently linked to a multiplicity of the specific-binding peptides, and the Tc-99m binding moieties are covalently linked to a plurality of the specific-binding peptides, the polyvalent linker moiety, or to both the specific-binding peptides and the polyvalent linker moiety.
    Type: Grant
    Filed: January 26, 1995
    Date of Patent: September 14, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James
  • Patent number: 5951981
    Abstract: This invention provides thrombolytic agents and methods for making and using thrombolytic agents. Specifically, the invention provides thrombolytic agents comprising a thrombolytic proteinase and a specific binding peptide that specifically binds at the site of blood clots and thrombi in vivo. The invention particularly provides chemically crosslinked conjugates of a thrombolytic proteinase and a plurality of specific binding peptide. Methods for producing such chemically crosslinked conjugates and methods for using such conjugates for eliminating thrombi in vivo to alleviate pathological conditions caused thereby are also provided. The preferred thrombolytic proteinase in the conjugate is fibrolase obtainable from Agkistrodon contortrix confortrix venom.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: September 14, 1999
    Assignee: Diatide, Inc.
    Inventors: Francis S. Markland, Jr., Larry R. Bush, Stephen Swenson, Eladio Flores Sanchez
  • Patent number: 5932189
    Abstract: This invention relates to therapeutic reagents and peptides, including radiotherapeutic reagents and peptides, and radiodiagnostic reagents and peptides. Specifically, the invention relates to cyclic peptide derivatives and analogs of somatostatin, and embodiments of such peptides radiolabeled with a radioisotope, as well as methods for using such peptides for radiodiagnostic and radiotherapeutic purposes.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: August 3, 1999
    Assignee: Diatech, Inc.
    Inventors: Richard T. Dean, William McBride, John Lister-James
  • Patent number: 5922303
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to peptides, methods and kits for making such peptides, and methods for using such peptides to image sites in a mammalian body labeled with technetium-99m (Tc-99m) via a radiolabel-binding moiety which forms a neutral complex with Tc-99m.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 13, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, Scott Buttram, William McBride, John Lister-James, Edgar R. Civitello
  • Patent number: 5888474
    Abstract: This invention relates to radiolabeled peptides and methods for producing such peptides. Specifically, the invention relates to specific binding peptides, methods and kits for making such peptides, and methods for using such peptides labeled with technetium-99m via a radiolabel-binding moiety covalently linked to the peptide to image thrombus sites in a mammalian body.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 30, 1999
    Assignee: Diatide, Inc.
    Inventors: Richard T. Dean, John Lister-James