Patents by Inventor Natarajan Raju

Natarajan Raju has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8263739
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: September 11, 2012
    Assignee: Bracco Suisse SA
    Inventors: Mathew A. Von Wronski, Edmund R. Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael F. Tweedle, Karen E. Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20120045393
    Abstract: The invention is directed to analogs of LHRH-II and, more generally, to analogs of the LHRH family in which modifications have been made that confer enhanced binding affinity for LHRH receptors and/or improved metabolic stability. The invention is further directed to methods of targeted therapy and targeted imaging in patients with sex-hormone-related cancers or other LHRH-mediated diseases.
    Type: Application
    Filed: March 16, 2010
    Publication date: February 23, 2012
    Inventors: Karen E. Linder, Palaniappa Nanjappan, Natarajan Raju, Sudha Khurana, Rolf E. Swenson, Adrian D. Nunn, Kondareddiar Ramalingam
  • Publication number: 20120009122
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: December 2, 2010
    Publication date: January 12, 2012
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian D. Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael F. Tweedle
  • Publication number: 20110262366
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 27, 2011
    Applicant: BRACCO INTERNATIONAL B.V.
    Inventors: Mathew A. Von Wronski, Edmund R. Marinelli, Adrian D. Nunn, Radhakrishna K. Pillai, Kondareddiar Ramalingam, Michael F. Tweedle, Karen E. Linder, Palaniappa Nanjappan, Natarajan Raju, Feng Yan, Michel Schneider
  • Patent number: 7922998
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: April 12, 2011
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20110052491
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M—N—O—P—G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: August 31, 2009
    Publication date: March 3, 2011
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Patent number: 7884183
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: February 8, 2011
    Assignee: Bracco Suisse SA
    Inventors: Mathew A. Von Wronski, Edmund R. Marinelli, Adrian D. Nunn, Radhakrishna K. Pillai, Kondareddiar Ramalingam, Michael F. Tweedle, Karen E. Linder, Palaniappa Nanjappan, Natarajan Raju, Feng Yan, Michel Schneider
  • Patent number: 7850947
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are define herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: December 14, 2010
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian D. Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael F. Tweedle
  • Patent number: 7820621
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: October 26, 2010
    Assignee: Bracco International B.V.
    Inventors: Mathew A. Von Wronski, Edmund R. Marinelli, Adrian D. Nunn, Radhakrishna K. Pillai, Kondareddiar Ramalingam, Michael F. Tweedle, Karen E. Linder, Palaniappa Nanjappan, Natarajan Raju, Feng Yan, Michel Schneider
  • Patent number: 7611692
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M—N—O—P—G, wherein M is an optical label or a metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: November 3, 2009
    Assignee: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20090175786
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: June 11, 2008
    Publication date: July 9, 2009
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Adrian D. Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf E. Swenson, Michael F. Tweedle, Mary Ellen Maddalena
  • Publication number: 20080247946
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N—O—P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Application
    Filed: August 25, 2006
    Publication date: October 9, 2008
    Applicant: BRACCO IMAGING S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf E. Swenson, Michael Tweedle
  • Publication number: 20080008649
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: May 21, 2007
    Publication date: January 10, 2008
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf Swenson, Michael Tweedle, Mary Maddalena
  • Publication number: 20070231257
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N—O—P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N—O—P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Application
    Filed: August 25, 2006
    Publication date: October 4, 2007
    Applicant: BRACCO IMAGING S.P.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf Swenson, Michael Tweedle
  • Patent number: 7226577
    Abstract: New and improved compounds for use in radiodiagnostic imaging or radiotherapy having the formula M-N-O-P-G, wherein M is the metal chelator (in the form complexed with a metal radionuclide or not), N-O-P is the linker, and G is the GRP receptor targeting peptide. Methods for imaging a patient and/or providing radiotherapy to a patient using the compounds of the invention are also provided. A method for preparing a diagnostic imaging agent from the compound is further provided. A method for preparing a radiotherapeutic agent is further provided.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: June 5, 2007
    Assignee: Bracco Imaging, S. p. A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen E. Linder, Edmund R. Marinelli, Palaniappa Nanjappan, Natarajan Raju, Rolf E. Swenson, Michael Tweedle
  • Patent number: 7186397
    Abstract: Diagnostic and therapeutic compositions in the form of complexes for enhancing transmembrane transport of a diagnostic or therapeutic agent and methods for their use. The complexes contain the ?, ?, or bis isomers of folate receptor-binding analogs of folate, a metal chelated by a ligand, and in one embodiment, a chemotherapeutic agent.
    Type: Grant
    Filed: December 30, 2000
    Date of Patent: March 6, 2007
    Assignee: Bracco International B.V.
    Inventors: Paul W. Wedeking, Ruth E. Wager, Thangavel Arunachalam, Kondareddiar Ramalingam, Karen E. Linder, Ramachandran S. Ranganathan, Adrian D. Nunn, Natarajan Raju, Michael F. Tweedle
  • Publication number: 20060263303
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: May 5, 2006
    Publication date: November 23, 2006
    Applicant: Bracco International BV
    Inventors: Mathew Von Wronski, Edmund Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20060258566
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Application
    Filed: May 5, 2006
    Publication date: November 16, 2006
    Applicant: Bracco International BV
    Inventors: Mathew Von Wronski, Edmund Marinelli, Adrian Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju
  • Publication number: 20060239914
    Abstract: New and improved compounds for use in diagnostic imaging or therapy having the formula M-N—O—P-G, wherein M is a metal chelator having the structure: wherein R1-R5 and FG are as defined herein (in the form complexed with a metal radionuclide or not), N—O—P is the linker containing at least one non-alpha amino acid with a cyclic group, at least one substituted bile acid or at least one non-alpha amino acid, and G is the GRP receptor targeting peptide. In the preferred embodiment, M is an Aazta metal chelator or a derivative thereof. Methods for imaging a patient and/or providing radiotherapy or phototherapy to a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound is further provided. Methods and kits for preparing a radiotherapeutic agent are further provided.
    Type: Application
    Filed: February 10, 2006
    Publication date: October 26, 2006
    Applicant: Bracco Imaging S.p.A.
    Inventors: Enrico Cappelletti, Luciano Lattuada, Karen Linder, Edmund Marinelli, Palaniappa Nanjappan, Adrian Nunn, Natarajan Raju, Kondareddiar Ramalingam, Rolf Swenson, Michael Tweedle
  • Patent number: 7109167
    Abstract: The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: September 19, 2006
    Assignee: Bracco International B.V.
    Inventors: Mathew A. Von Wronski, Edmund R. Marinelli, Adrian D. Nunn, Radhakrishna Pillai, Kondareddiar Ramalingam, Michael F. Tweedle, Karen Linder, Palaniappa Nanjappan, Natarajan Raju