Patents by Inventor Leroy F. Liu

Leroy F. Liu 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: 10179789
    Abstract: The invention provides compounds of formula I: wherein A, B, X, and Y have any of the values defined in the specification, as well as pharmaceutical compositions comprising such compounds, processes for preparing such compounds, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: January 15, 2019
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Wei Feng, Leroy F. Liu
  • Publication number: 20170355706
    Abstract: The invention provides compounds of formula I: wherein A, B, X, and Y have any of the values defined in the specification, as well as pharmaceutical compositions comprising such compounds, processes for preparing such compounds, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Application
    Filed: January 20, 2017
    Publication date: December 14, 2017
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Wei Feng, Leroy F. Liu
  • Patent number: 9562051
    Abstract: The invention provides compounds of formula I: wherein A, B, X, and Y have any of the values defined in the specification, as well as pharmaceutical compositions comprising such compounds, processes for preparing such compounds, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: February 7, 2017
    Assignee: Rutgers, the State University of New Jersey
    Inventors: Edmond J. LaVoie, Wei Feng, Leroy F. Liu
  • Publication number: 20140235578
    Abstract: Various methods for treating a patient with neoplasia are disclosed, in particular, methods using topoisomerase Ila-preferential poisons, methods using a combination of a topoisomerase Illi-preferential inhibitor and a topoisomerase II poison, and methods using a combination of a topoisomerase II poison and a proteasome inhibitor are disclosed. Novel topoisomerase Ila-preferential poisons are disclosed, particularly, several novel 13-carboline derivatives are identified. Methods for identifying the novel topoisomerase Ila-preferential poisons and methods for identifying the novel topoisomerase EP-preferential inhibitors are also provided herein.
    Type: Application
    Filed: March 24, 2014
    Publication date: August 21, 2014
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Leroy F. Liu, Yi L. Lyu, Anna M. Azarova, Johnson Y. Lau
  • Patent number: 8518928
    Abstract: The invention provides compounds of formula I: wherein A, B, D, E, R1, R2, R3, R4, R5, X, and - - - have any values defined herein, as well as salts thereof. The compounds have activity as G-quadruplex DNA stabilizers and as anti-proliferative agents.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: August 27, 2013
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. Lavoie, Joseph E. Rice, Leroy F. Liu
  • Patent number: 8389721
    Abstract: The invention provides compounds of formula I: wherein A, B, W, Y, Z, and R1 have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I, and therapeutic methods for treating cancer using compounds of formula I.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: March 5, 2013
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Publication number: 20120101117
    Abstract: The invention provides compounds of formula I: wherein A, B, X, and Y have any of the values defined in the specification, as well as pharmaceutical compositions comprising such compounds, processes for preparing such compounds, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Application
    Filed: March 5, 2010
    Publication date: April 26, 2012
    Inventors: Edmond J. LaVoie, Wei Feng, Leroy F. Liu
  • Publication number: 20120071527
    Abstract: The invention provides compounds of formula I: wherein A, B, D, E, R1, R2, R3, R4, R5, X, and - - - have any values defined herein, as well as salts thereof. The compounds have activity as G-quadruplex DNA stabilizers and as anti-proliferative agents.
    Type: Application
    Filed: November 30, 2011
    Publication date: March 22, 2012
    Applicants: UNIVERSITY OF MEDICINE AND DENTISTRY OF NEW JERSEY, RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Edmond J. Lavoie, Joseph E. Rice, Leroy F. Liu
  • Patent number: 8093235
    Abstract: The invention provides compounds of formula I: wherein A, B, D, E, R1, R2, R3, R4, R5, X, and ----- have any values defined herein, as well as salts thereof. The compounds have activity as G-quadruplex DNA stabilizers and as anti-proliferative agents.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: January 10, 2012
    Assignees: Rutgers, The State University of New Jersey, University of Medicine and Dentistry of New Jersey
    Inventors: Edmond J. Lavoie, Joseph E. Rice, Leroy F. Liu
  • Publication number: 20110275596
    Abstract: Various methods for treating a patient with neoplasia are disclosed, in particular, methods using topoisomerase Ila-preferential poisons, methods using a combination of a topoisomerase Illi-preferential inhibitor and a topoisomerase II poison, and methods using a combination of a topoisomerase II poison and a proteasome inhibitor are disclosed. Novel topoisomerase Ila-preferential poisons are disclosed, particularly, several novel 13-carboline derivatives are identified. Methods for identifying the novel topoisomerase Ila-preferential poisons and methods for identifying the novel topoisomerase EP-preferential inhibitors are also provided herein.
    Type: Application
    Filed: December 14, 2010
    Publication date: November 10, 2011
    Applicant: UNIVERSITY OF MEDICINE AND DENTISTRY OF NEW JERSEY
    Inventors: Leroy F. Liu, Yi Lisa Lyu, Anna M. Azarova, Johnson Yiu-Nam Lau
  • Publication number: 20110136812
    Abstract: The invention provides compounds of formula I: wherein A, B, W, Y, Z, and R1 have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I, and therapeutic methods for treating cancer using compounds of formula I.
    Type: Application
    Filed: August 5, 2010
    Publication date: June 9, 2011
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Patent number: 7858627
    Abstract: The invention provides compounds of formula I or formula II: wherein: the bond represented by is a single bond or a double bond, and R1—R5, X, and Y have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I or II, processes for preparing compounds of formula I or II, intermediates useful for preparing compounds of formula I or II, and therapeutic methods for treating cancer and other topoisomerase related conditions using compounds of formula I or II.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: December 28, 2010
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Patent number: 7781587
    Abstract: The invention provides compounds of formula I: wherein A, B, W, Y, Z, and R1 have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I, and therapeutic methods for treating cancer using compounds of formula I.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: August 24, 2010
    Assignee: Rutgers, the State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Publication number: 20100111874
    Abstract: The present invention provides methods for detecting and treating cancer. In some embodiments, levels of ISG15 are determined, and topoisomerase I and II inhibitors as well as other DNA-damaging agents plus agents that increase the expression of ISG15 are selected and administered.
    Type: Application
    Filed: March 17, 2008
    Publication date: May 6, 2010
    Applicant: University of Medicine and Dentistry of New Jresey
    Inventors: Leroy F. Liu, Shyamal Desai, Johnson Yin-Nam Lau
  • Publication number: 20090258890
    Abstract: The invention provides compounds of formula I or formula II: wherein: the bond represented by is a single bond or a double bond, and R1-R5, X, and Y have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I or II, processes for preparing compounds of formula I or II, intermediates useful for preparing compounds of formula I or II, and therapeutic methods for treating cancer and other topoisomerase related conditions using compounds of formula I or II.
    Type: Application
    Filed: April 13, 2009
    Publication date: October 15, 2009
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Publication number: 20090239871
    Abstract: The invention provides compounds of formula I: wherein A, B, W, Y, Z, and R1 have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I, and therapeutic methods for treating cancer using compounds of formula I.
    Type: Application
    Filed: March 27, 2009
    Publication date: September 24, 2009
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Publication number: 20090156627
    Abstract: The invention provides compounds of formula I: wherein A, B, D, E, R1, R2, R3, R4, R5, X, and ----- have any values defined herein, as well as salts thereof. The compounds have activity as G-quadruplex DNA stabilizers and as anti-proliferative agents.
    Type: Application
    Filed: October 24, 2008
    Publication date: June 18, 2009
    Inventors: Edmond J. Lavoie, Joseph E. Rice, Leroy F. Liu
  • Patent number: 7517867
    Abstract: The invention provides compounds of formula I or formula II: wherein: the bond represented by — is a single bond or a double bond, and R1-R5, X, and Y have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I or II, processes for preparing compounds of formula I or II, intermediates useful for preparing compounds of formula I or II, and therapeutic methods for treating cancer and other topoisomerase related conditions using compounds of formula I or II.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: April 14, 2009
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Patent number: 7517883
    Abstract: The invention provides compounds of formula I: wherein A, B, W, Y, Z, and R1 have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I, and therapeutic methods for treating cancer using compounds of formula I.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: April 14, 2009
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Leroy F. Liu
  • Patent number: 7468366
    Abstract: The invention provides compounds of the invention pharmaceutical compositions comprising a compound of the invention, processes for preparing compounds of the invention, intermediates useful for preparing compounds of the invention, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: December 23, 2008
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Sudhir K. Singh, Abhijit Ray, Leroy F. Liu