Patents by Inventor Valeri Martichonok

Valeri Martichonok 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).

  • Methods of treating cancer with an antibody-drug conjugate
    Patent number: 8034959
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: October 11, 2011
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Zhi-Hong Li, Danny P. C. McGee, Oliver L. Saunders, Guoxian Wu, David John King, Valeri Martichonok, Sharon Elaine Boyd, Thomas J. Lobl
  • METHODS OF TREATING CANCER WITH AN ANTIBODY-DRUG CONJUGATE
    Publication number: 20090175888
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: March 2, 2009
    Publication date: July 9, 2009
    Applicant: Medarex, Inc.
    Inventors: Howard P. Ng, Zhihong Li, Danny P.C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Boyd, Thomas J. Lobl
  • Disulfide prodrugs and linkers and stabilizers useful therefor
    Patent number: 7498302
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: March 3, 2009
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Zhi-Hong Li, Danny P. C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Elaine Boyd, Thomas J. Lobl
  • Methods and compositions for treating diseases associated with pathogenic proteins
    Publication number: 20070179123
    Abstract: Methods and compositions are provided comprising a therapeutically effective amount of a compound of formula I wherein R1-4, W, X, Y and Z are as defined in the specification, for inhibiting and treating diseases and disorders associated with pathogenic proteins causing neurodegenerative diseases and amyloid diseases, such as protease resistant prion proteins (PrPSc) and those associated with transmissible spongiform encephalopathies (TSEs), Alzheimer's Disease, amyloidosis, and the like.
    Type: Application
    Filed: November 8, 2006
    Publication date: August 2, 2007
    Inventors: Peter Chiang, Daniel Levy, Meng Guo, Valeri Martichonok, Brian Sefton
  • Cytotoxic agents
    Patent number: 7129261
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 31, 2006
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P.C. McGee, Oliver L. Saunders, Valeri Martichonok, Guoxian Wu, Zhihong Li, Geoffrey T. Yarranton
  • Disulfide prodrugs and linkers and stabilizers useful therefor
    Patent number: 6989452
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: January 24, 2006
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Zhihong Li, Danny P. C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Boyd, Thomas J. Lobl
  • Disulfide prodrugs and linkers and stabilizers useful therefor
    Publication number: 20050272798
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: June 21, 2005
    Publication date: December 8, 2005
    Applicant: Medarex, Inc.
    Inventors: Howard Ng, Zhihong Li, Danny McGee, Oliver Saunders, Guoxian Wu, David King, Valeri Martichonok, Sharon Boyd, Thomas Lobl
  • Novel Compounds and compositions as protease inhibitors
    Publication number: 20030232864
    Abstract: The present invention relates to novel alkanoyl-substituted heterocyclic derivatives which are cysteine protease inhibitors; the pharmaceutically acceptable salts and N-oxides thereof; their uses as therapeutic agents and the methods of their making.
    Type: Application
    Filed: January 28, 2003
    Publication date: December 18, 2003
    Applicant: Axys Pharmaceuticals, Inc.
    Inventors: John O. Link, Arnold J. Martelli, Valeri Martichonok, John W. Patterson, Oliver L. Saunders, Sheila Zipfel
  • Compounds and compositions as protease inhibitors
    Patent number: 6576630
    Abstract: The present invention relates to novel alkanoyl-substituted heterocyclic derivatives which are cysteine protease inhibitors; the pharmaceutically acceptable salts and N-oxides thereof; their uses as therapeutic agents and the methods of their making.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: June 10, 2003
    Assignee: AXYS Pharmaceuticals, Inc.
    Inventors: John O. Link, Arnold J. Martelli, Valeri Martichonok, John W. Patterson, Oliver L. Saunders, Sheila Zipfel
  • Disulfide prodrugs and linkers and stabilizers useful therefor
    Publication number: 20030073852
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: May 31, 2002
    Publication date: April 17, 2003
    Applicant: Medarex, Inc.
    Inventors: Howard P. Ng, Zhihong Li, Danny P.C. McGee, Oliver L. Saunders, Guoxian Wu, David J. King, Valeri Martichonok, Sharon Boyd, Thomas J. Lobl
  • Cytotoxic agents
    Publication number: 20030050331
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Application
    Filed: May 31, 2002
    Publication date: March 13, 2003
    Applicant: Medarex Inc.
    Inventors: Howard P. Ng, Danny P.C. McGee, Oliver L. Saunders, Valeri Martichonok, Guoxian Wu, Zhihong Li, Geoffrey T. Yarranton
  • Peptidyl prodrugs and linkers and stabilizers useful therefor
    Patent number: RE41252
    Abstract: The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: April 20, 2010
    Assignee: Medarex, Inc.
    Inventors: Howard P. Ng, Danny P. C. McGee, Guoxian Wu, Jimmie Moore, Zhi-Hong Li, Sanjeev Gangwar, Oliver L. Saunder, Irina Astafieva, Valeri Martichonok