Patents by Inventor John Drewe

John Drewe 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: 7235674
    Abstract: The present invention is directed to substituted coumarins and quinolines and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, and Z are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: November 16, 2004
    Date of Patent: June 26, 2007
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, Hong Zhang, William E. Kemnitzer, Songchun Jiang, John Drewe, Richard Storer
  • Patent number: 7226927
    Abstract: The present invention is directed to substituted 2-aryl-4-arylaminopyrimidine and analogs thereof, represented by the general Formula I: wherein A, Ar1, Ar2, R1 and R3 are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. The compounds of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: June 5, 2007
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, John A Drewe, P. Sanjeeva Reddy, Bao Nguyen, Azra Pervin
  • Publication number: 20070099941
    Abstract: Disclosed are N-arylalkyl-thienopyrimidin-4-amines and analogs thereof, represented by the Formula I: wherein Ar, R1, R3, R4, R10-R12 and n are defined herein. The present invention relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: November 2, 2006
    Publication date: May 3, 2007
    Applicant: Cytovia, Inc.
    Inventors: Sui Cai, John Drewe, William Kemnitzer, Nilantha Sirisoma
  • Patent number: 7176234
    Abstract: The present invention is directed to derivatives of gambogic acid and analogs thereof. Exemplary gambogic acid derivatives of the present invention include, among others, derivatives substituted in the C10 and C28 positions of gambogic acid. The present invention also relates to the discovery that certain preferred compounds of the present invention are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: February 13, 2007
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, Shailaja Kasibhatla, Kristin P. Ollis, Han-Zhong Zhang, John A. Drewe, Ben Tseng, Nilantha Sudath Sirisoma
  • Patent number: 7135480
    Abstract: The present invention is directed to substituted 1-benzoyl-3-cyano-pyrrolo[1,2-?]quinolines and analogs thereof, represented by the general Formula I: wherein R1–R8, L, Q, dash line and Ar are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: November 14, 2006
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, John A Drewe, Sungchun Jiang, Shailaja Kasibhatla, Jared Daniel Kuemmerle, Nilantha Sudath Sirisoma, Han-Zhong Zhang
  • Patent number: 7074813
    Abstract: The present invention is directed to substituted N?-(arylcarbonyl)-benzhydrazides, N?-(arylcarbonyl)-benzylidene-hydrazides and analogs thereof, represented by the Formulae I and II: wherein Ar1, Ar2, and R1–R2 are defined herein. The present invention also relates to the discovery that compounds having Formulae I and II are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 11, 2006
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, Shailaja Kasibhatla, John Drewe, P. Sanjeeva Reddy, Han-Zhong Zhang
  • Patent number: 7041685
    Abstract: The present invention is directed to substituted 3-aryl-5-aryl-[1,2,4]-oxadiazoles and analogs thereof, represented by the Formula I: wherein Ar1, Ar3, A, B and D are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: May 9, 2006
    Assignee: Cytovia, Inc.
    Inventors: Sui Xiong Cai, Han-Zhong Zhang, John A. Drewe, P. Sanjeeva Reddy, Shailaja Kasibhatla, Jared Daniel Kuemmerle, Kristin P. Ollis
  • Patent number: 7015328
    Abstract: The present invention is directed to substituted coumarins and quinolines and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, and Z are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: March 21, 2006
    Assignees: Cytovia, Inc., Shire BioChem Inc.
    Inventors: Sui Xiong Cai, Hong Zhang, William E. Kemnitzer, Songchun Jiang, John Drewe, Richard Storer
  • Patent number: 6984718
    Abstract: The present invention relates to novel fluorescent dyes, novel fluorogenic and fluorescent reporter molecules and new enzyme assay processes that can be used to detect the activity of caspases and other enzymes involved in apoptosis in whole cells, cell lines and tissue samples derived from any living organism or organ. The reporter molecules and assay processes can be used in drug screening procedures to identify compounds which act as inhibitors or inducers of the caspase cascade in whole cells or tissues. The reagents and assays described herein are also useful for determining the chemosensitivity of human cancer cells to treatment with chemotherapeutic drugs. The present invention also relates to novel fluorogenic and fluorescent reporter molecules and new enzyme assay processes that can be used to detect the activity of type 2 methionine aminopeptidase, HIV protease, adenovirus protease, HSV-1 protease, HCMV protease and HCV protease.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: January 10, 2006
    Assignee: Cytovia, Inc.
    Inventors: Han-Zhong Zhang, Sui Xiong Cai, John A. Drewe, Wu Yang
  • Patent number: 6949516
    Abstract: The present invention is directed to novel dipeptides thereof, represented by the general Formula I: where R1-R3 and AA are defined herein. The present invention relates to the discovery that compounds having Formula I are potent inhibitors of apoptotic cell death. Therefore, the inhibitors of this invention can retard or block cell death in a variety of clinical conditions in which the loss of cells, tissues or entire organs occurs.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: September 27, 2005
    Assignee: Cytovia, Inc.
    Inventors: John F. W. Keana, Sui Xiong Cai, John Guastella, Wu Yang, John A. Drewe, Eckard Weber
  • Publication number: 20050192231
    Abstract: The present invention is directed to novel dipeptides thereof, represented by the general Formula I: where R1-R3 and AA are defined herein. The present invention relates to the discovery that compounds having Formula I are potent inhibitors of apoptotic cell death. Therefore, the inhibitors of this invention can retard or block cell death in a variety of clinical conditions in which the loss of cells, tissues or entire organs occurs.
    Type: Application
    Filed: April 7, 2005
    Publication date: September 1, 2005
    Inventors: John Keana, Sui Cai, John Guastella, Wu Yang, John Drewe, Eckard Weber
  • Publication number: 20050165053
    Abstract: The present invention is directed to substituted 4-Aryl-3-(3-aryl-1-oxo-2-propenyl)-2(1H)-quinolinones and analogs thereof, represented by the general Formula I: wherein Ar1, Ar2, R1-R6 and R12 are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. The compounds of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: June 4, 2002
    Publication date: July 28, 2005
    Inventors: Sui Cai, Han-Zhong Zhang, John Drewe, Shailaja Kasibhatla
  • Publication number: 20050154012
    Abstract: The present invention is directed to substituted 3-aryl-5-aryl-[1,2,4]-oxadiazoles and analogs thereof, represented by the Formula I: wherein Ar1, Ar3, A, B and D are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention may be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: March 8, 2005
    Publication date: July 14, 2005
    Inventors: Sui Cai, Han-Zhong Zhang, John Drewe, P. Reddy, Shailaja Kasibhatla, Jared Kuemmerle, Kristin Ollis
  • Publication number: 20050154015
    Abstract: The present invention is directed to substituted 4H-chromene and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, Z and R5 are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: March 7, 2005
    Publication date: July 14, 2005
    Applicant: Cytovia, Inc.
    Inventors: John Drewe, Sui Cai, Yan Wang
  • Publication number: 20050137213
    Abstract: Disclosed are 4-arylamino-quinazolines and analogs thereof effective as activators of caspases and inducers of apoptosis. The compounds of this invention are useful in the treatment of a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: July 6, 2004
    Publication date: June 23, 2005
    Applicant: Myriad Genetics, Incorporated
    Inventors: Sui Cai, Nilantha Sirisoma, Azra Pervin, John Drewe, Shailaja Kasibhatla, Songchun Jiang, Hong Zhang, Chris Pleiman, Vijay Baichwal, John Manfredi, Leena Bhoite
  • Patent number: 6906203
    Abstract: The present invention is directed to substituted 4H-chromene and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, Z and R5 are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: June 14, 2005
    Assignee: Cytovia, Inc.
    Inventors: John A. Drewe, Sui Xiong Cai, Yan Wang
  • Patent number: 6900325
    Abstract: The present invention is directed to substituted coumarins and quinolines and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, and Z are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: May 31, 2005
    Assignees: Cytovia, Inc., Shire BioChem Inc.
    Inventors: Sui Xiong Cai, Hong Zhang, William E. Kemnitzer, Songchun Jiang, John Drewe, Richard Storer
  • Publication number: 20050090526
    Abstract: The present invention is directed to substituted coumarins and quinolines and analogs thereof, represented by the general Formula I: wherein A, B, X, Y, and Z are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: November 16, 2004
    Publication date: April 28, 2005
    Applicants: Cytovia, Inc., Shire BioChem, Inc.
    Inventors: Sui Cai, Hong Zhang, William Kemnitzer, Songchun Jiang, John Drewe, Richard Storer
  • Patent number: 6861419
    Abstract: The present invention is directed to substituted 1,4-thiazepine and analogs thereof, represented by the general Formula I: wherein the dashed lines, A1, A2, A3, X1 and R1 are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of capases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: March 1, 2005
    Assignee: Cytovia, Inc.
    Inventors: John A. Drewe, Sui Xiong Cai, Emma Jane Shelton, Joane Litvak, David Sperandio, Jeffrey R. Spencer, Martin Sendzik
  • Publication number: 20050014759
    Abstract: The present invention is directed to substituted 1-benzoyl-3-cyano-pyrrolo[1,2-a]quinolines and analogs thereof, represented by the general Formula I: wherein R1—R8, L, Q, dash line and Ar are defined herein. The present invention also relates to the discovery that compounds having Formula I are activators of caspases and inducers of apoptosis. Therefore, the activators of caspases and inducers of apoptosis of this invention can be used to induce cell death in a variety of clinical conditions in which uncontrolled growth and spread of abnormal cells occurs.
    Type: Application
    Filed: December 12, 2003
    Publication date: January 20, 2005
    Inventors: Sui Cai, John Drewe, Sungchun Jiang, Shailaja Kasibhatla, Jared Kuemmerle, Nilantha Sirisoma, Han-Zhong Zhang