Patents Assigned to SuperGen, Inc.
  • Publication number: 20080226747
    Abstract: The present invention relates to pharmaceutical formulations comprising the protein kinase inhibitor, MP470, and methods of using same in treating conditions involving undesirable cell proliferation, such as cancer.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 18, 2008
    Applicant: SUPERGEN, INC.
    Inventors: David J. Bearss, Rajashree Joshi-Hangal, Xiao-Hui Liu, Pasit Phiasivongsa, Sanjeev G. Redkar, Hariprasad Vankayalapati
  • Publication number: 20080214558
    Abstract: Pyrimidine-2,4-diamines derivatives having activity as JAK2 kinase inhibitors are disclosed, as well as pharmaceutical compositions and methods for using the same in the treatment of cancer and other JAK2 kinase-associated conditions.
    Type: Application
    Filed: February 29, 2008
    Publication date: September 4, 2008
    Applicant: SUPERGEN, INC.
    Inventors: Hariprasad Vankayalapati, Xiao-Hui Liu, David J. Bearss
  • Publication number: 20080207632
    Abstract: Protein kinase inhibitors are disclosed having utility in the treatment of protein kinase-mediated diseases and conditions, such as cancer, such as Aurora kinase-expressing cancers and Axl kinase-expressing cancers. Compounds of the invention have the following structure: including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, X, Z, L2 and w are as defined herein. Also disclosed are compositions containing a compound of this invention, as well as methods relating to the use thereof.
    Type: Application
    Filed: October 31, 2007
    Publication date: August 28, 2008
    Applicant: SUPERGEN, INC.
    Inventors: David J. Bearss, Cory L. Grand, Xiao-Hui Liu, Hariprasad Vankayalapati
  • Publication number: 20080175814
    Abstract: Quinoline derivatives, particularly 4-anilinoquinoline derivatives, are provided. Such quinoline derivatives can be used for modulation of DNA methylation, such as effective inhibition of methylation of cytosine at the C-5 position, for example via selective inhibition of DNA methyltransferase DNMT1. Methods for synthesizing numerous 4-anilinoquinoline derivatives and for modulating DNA methylation are provided. Also provided are methods for formulating and administering these compounds or compositions to treat conditions such as cancer and hematological disorders.
    Type: Application
    Filed: October 12, 2007
    Publication date: July 24, 2008
    Applicant: SUPERGEN, INC.
    Inventors: Pasit Phiasivongsa, Sanjeev Redkar, Swarna Gamage, Darby Brooke, William Denny, David J. Bearss, Hariprasad Vankayalapati
  • Publication number: 20080051414
    Abstract: Protein kinase inhibitors are disclosed having utility in the treatment of protein kinase-mediated diseases and conditions, such as cancer. The compounds of this invention have the following structure: including steroisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein A is a ring moiety selected from: and wherein R1, R2, R3, X, Z, L1, Cycl1, L2 and Cycl2 are as defined herein. Also disclosed are compositions containing a compound of this invention, as well as methods relating to the use thereof.
    Type: Application
    Filed: March 1, 2007
    Publication date: February 28, 2008
    Applicants: Arizona Board of Regents on Behalf of The University of Arizona, SuperGen,Inc
    Inventors: Laurence Hurley, Daruka Mahadevan, Haiyong Han, David Bearss, Hariprasad Vankayalapati, Sridevi Bashyam, Ruben Munoz, Steven Warner, Kimiko Della Croce, Daniel Von Hoff, Cory Grand, James Welsh
  • Patent number: 7326712
    Abstract: Protein kinase inhibitors are disclosed having utility in the treatment of protein kinase-mediated diseases and conditions, such as cancer. The compounds of this invention have the following structure: including steroisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein A is a ring moiety selected from: and wherein R1, R2, R3, X, Z, L1, Cycl1, L2 and Cycl2 are as defined herein. Also disclosed are compositions containing a compound of this invention, as well as methods relating to the use thereof.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: February 5, 2008
    Assignees: Arizona Board of Regents on behalf of The University of Arizona, Supergen, Inc.
    Inventors: Laurence H. Hurley, Daruka Mahadevan, David J. Bearss, Hariprasad Vankayalapati, Sridevi Bashyam, Steven L. Warner
  • Patent number: 7276228
    Abstract: Methods are provided for treating hematological disorders by inhibition of DNA hypomethylation and histone deacetylase. Such disorders include, for example, acute promyelocytic leukemia, acute lymphoblastic leukemia, chronic myelogenous leukemia, myelodysplastic syndromes, and sickle cell anemia. The methods comprise: administering to a patient suffering from the disease a therapeutically effective amount of a DNA methylation inhibitor such as a cysteine analog such as decitabine, in combination with an effective amount of histone deacetylase inhibitor such as hydroxamic acid, cyclic peptide, benzamide, butyrate, and depudecin.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: October 2, 2007
    Assignee: SuperGen, Inc.
    Inventor: Jorge F. DiMartino
  • Patent number: 7250416
    Abstract: Compounds and compositions of azacytosine analogs and derivatives are provided. In one aspect of the invention, analogs or derivatives of decitabine and azacitidine are provided with modification at the 4- and 6-position of the triazine ring, at the 1?–6? position of the ribose ring, or combinations thereof. Methods of synthesizing and manufacturing these analogs and derivatives are also provided. These compounds can be formulated into pharmaceutical compositions that can be used for treating any disease that is sensitive to the treatment with decitabine or azacitidine, such as hematological disorders and cancer.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: July 31, 2007
    Assignee: SuperGen, Inc.
    Inventors: Pasit Phiasivongsa, Sanjeev Redkar
  • Patent number: 7144873
    Abstract: Pharmaceutical formulations, kits and vessels are provided for delivering decitabine to a patient suffering from a disease in need of treatment with decitabine. The pharmaceutical formulation comprises decitabine solvated in a non-aqueous solvent that comprises glycerin, propylene glycol, polyethylene glycol, or combinations. Such formulations are more chemically stable than conventional liquid formulations of decitabine containing more than 40% water in volume. The pharmaceutical formulations can be used for any disease that is sensitive to the treatment with decitabine, such as hematological disorders and cancer.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: December 5, 2006
    Assignee: SuperGen, Inc.
    Inventors: Rajashree Joshi-Hangal, Xichen Zhang, Stephanie Gong, Sanjeev Redkar, Ashok Y. Gore
  • Publication number: 20060264439
    Abstract: Protein kinase inhibitors are disclosed having utility in the treatment of protein kinase-mediated diseases and conditions, such as cancer. The compounds of this invention have the following structure: including steroisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein ring moiety A, R1, R2, R3, R4, R5, R6, R7, R8 and X are as defined herein. Also disclosed are compositions comprising such compounds and methods of using same.
    Type: Application
    Filed: May 17, 2006
    Publication date: November 23, 2006
    Applicant: SuperGen, Inc.
    Inventors: David Bearss, Hariprasad Vankayalapati, Cory Grand
  • Patent number: 7135464
    Abstract: Pharmaceutical formulations, kits and vessels are provided for delivering decitabine to a patient suffering from a disease in need of treatment with decitabine. The pharmaceutical formulation comprises decitabine solvated in a non-aqueous solvent that comprises glycerin, propylene glycol, polyethylene glycol, or combinations. Such formulations are more chemically stable than conventional liquid formulations of decitabine containing more than 40% water in volume. The pharmaceutical formulations can be used for any disease that is sensitive to the treatment with decitabine, such as hematological disorders and cancer.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: November 14, 2006
    Assignee: SuperGen, Inc.
    Inventors: Rajashree Joshi-Hangal, Xichen Zhang, Stephanie Gong, Sanjeev Redkar, Ashok Y. Gore
  • Patent number: 7071202
    Abstract: A polymorphic form of 9-nitrocamptothecin is provided, the polymorph being characterizable as having, by differential scanning calorimetry, no observable endotherm and an exotherm at between 273.6 and 275.6° C., and a solution NMR spectrum with multiplets at 1.7 and 3.7 ppm shifts.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: July 4, 2006
    Assignee: SuperGen, Inc.
    Inventors: Sanjeev Redkar, Ashok Gore
  • Patent number: 7060290
    Abstract: Disclosed are compounds of general formula (I) that function as prodrugs, thereby increasing bioavailabilities of the linked therapeutic agents, wherein the LINKER is (i) substituted or unsubstituted alkyl, (ii) substituted or unsubstituted alkenyl, (iii) substituted or unsubstituted alkanoyl, (iv) substituted or unsubstituted alkenoyl wherein the double bond is cis, and (v) (ortho or para) carbonyl-substituted aryl; and wherein the subtituent is each an independent group or linked together thereby forming a ring; and wherein X is one or more substituted or unsubstituted group containing one or more O, N, or S atom and wherein the substituent is each an independent group or linked together thereby forming a ring; and wherein the therapeutic agent is an alcohol-containing water-insoluble steroids or another alcohol containing compounds and methods to prepare such compounds.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: June 13, 2006
    Assignee: Supergen, Inc.
    Inventors: Bruce H. Morimoto, Peter L. Barker
  • Patent number: 7049322
    Abstract: A polymorphic form of 9-nitrocamptothecin is provided, the polymorph being characterizable as having, by differential scanning calorimetry, an endotherm at between 273.9 to 275.9° C., and an exotherm at between 279.3 and 281.3° C.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: May 23, 2006
    Assignee: SuperGen, Inc.
    Inventors: Sanjeev Redkar, Ashok Gore
  • Patent number: 7037900
    Abstract: Compositions and methods are provided for prevention and clinical treatment of various forms of graft-versus-host disease (GVHD) by using inhibitors of adenosine deaminase (ADA). In particular, various formulations and dosing regimens of ADA inhibitors such as pentostatin are provided for the treatment of humans in vivo as well as for ex vivo conditioning of organ transplants in order to specifically suppress T-lymphocyte mediated immune responses while minimizing systemic toxicity of the drug.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: May 2, 2006
    Assignee: SuperGen, Inc.
    Inventors: Jorge DiMartino, John Tippett Nelson
  • Publication number: 20060063735
    Abstract: The present invention relates to salts of 5-azacytidine as well as methods for synthesizing the salts described herein. Pharmaceutical compositions and methods of using the 5-azacytidine salts are also provided, including methods of administering the salts or pharmaceutical compositions thereof to treat conditions, such as cancer and hematological disorders.
    Type: Application
    Filed: September 17, 2004
    Publication date: March 23, 2006
    Applicant: SuperGen, Inc.
    Inventors: Sanjeev Redkar, Pasit Phiasivongsa
  • Patent number: 6998391
    Abstract: Methods are provided for treating diseases associated with abnormal activity of kinases. The method comprises: administering a DNA methylation inhibitor to the patient in therapeutically effective amount; and administering a kinase inhibitor to the patient in therapeutically effective amount, such that the in vivo activity of the kinase is reduced relative to that prior to the treatment.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: February 14, 2006
    Assignee: SuperGen.Inc.
    Inventors: John Lyons, Joseph Rubinfeld
  • Publication number: 20060014949
    Abstract: Pharmaceutical compositions and methods for treatment of neoplastic conditions using polymorphs of decitabine are provided. Also provided are methods for manufacturing and administering such pharmaceutical compositions.
    Type: Application
    Filed: July 13, 2004
    Publication date: January 19, 2006
    Applicant: SuperGen Inc.
    Inventors: Sanjeev Redkar, Rajashree Joshi-Hangal
  • Patent number: 6982253
    Abstract: Pharmaceutical formulations, kits and vessels are provided for delivering decitabine to a patient suffering from a disease in need of treatment with decitabine. The pharmaceutical formulation comprises decitabine solvated in a non-aqueous solvent that comprises glycerin, propylene glycol, polyethylene glycol, or combinations. Such formulations are more chemically stable than conventional liquid formulations of decitabine containing more than 40% water in volume. The pharmaceutical formulations can be used for any disease that is sensitive to the treatment with decitabine, such as hematological disorders and cancer.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: January 3, 2006
    Assignee: SuperGen, Inc.
    Inventors: Rajashree Joshi-Hangal, Xichen Zhang, Stephanie Gong, Sanjeev Redkar, Ashok Y. Gore
  • Patent number: 6977247
    Abstract: A method is provided for treating a patient having a disease associated with undesirable or uncontrolled cell proliferation, the method comprising: administering to the patient a 20(S)-camptothecin for a period of time during which a pyrimidine base analog is not being administered to the patient; and administering a pyrimidine base analog to the patient.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: December 20, 2005
    Assignee: SuperGen, Inc.
    Inventors: Joseph Rubinfeld, Karl L. Mettinger, John Lyons, Lawrence A. Romel