Patents by Inventor John F. W. Keana

John F. W. Keana 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).

  • Publication number: 20100298270
    Abstract: Described herein are novel HDAC modulators, formulations containing them and methods of using them. In some embodiments, the HDAC modulators possess specific stereo chemistry. In other embodiments, the compounds described herein are used in the treatment or prevention of histone deacetylase mediated disorders.
    Type: Application
    Filed: July 23, 2008
    Publication date: November 25, 2010
    Applicant: SYNDAX PHARMACEUTICALS, INC.
    Inventors: John F.W. Keana, Peter Ordentlich, Robert Goodenow
  • Publication number: 20100267779
    Abstract: Described herein are novel HDAC inhibitors, formulations containing them and methods of using them. In some embodiments, the HDAC inhibitors possess specific stereochemistry. In other embodiments, the compounds described herein are used in the treatment or prevention of histone deacetylase mediated disorders.
    Type: Application
    Filed: July 23, 2008
    Publication date: October 21, 2010
    Applicant: SYNDAX PHARMACEUTICALS, INC.
    Inventors: John F.W. Keana, Peter Ordentlich, Robert Goodenow
  • Publication number: 20100016252
    Abstract: Disclosed are Mannich base N-oxides of drugs containing acidic N—H groups. Pharmaceutical compositions comprising a therapeutically effective amount of Mannich base N-oxides, or a N-oxide rearrangement product, pharmaceutically acceptable salt or prodrug thereof, are also disclosed. Further, disclosed are methods of using the compounds, alone or in combination with one or more other active agents or treatments.
    Type: Application
    Filed: September 21, 2009
    Publication date: January 21, 2010
    Applicant: State of Oregon Acting By and Through The Oregon State Board of Higher Education On Behalf of The U
    Inventors: John F.W. Keana, Paul Westberg, John Curd, Alshad S. Lalani
  • Patent number: 7557251
    Abstract: This invention relates to relates to methods for producing gossypol acetic acid co-crystals and (?)-gossypol acetic acid co-crystals. The invention also relates to pharmaceutical compositions comprising gossypol acetic acid co-crystals and (?)-gossypol acetic acid co-crystals and the use of gossypol acetic acid co-crystals and (?)-gossypol acetic acid co-crystals for inducing apoptosis in cells and for sensitizing cells to the induction of apoptotic cell death.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: July 7, 2009
    Assignee: The Regents of the University of Michigan
    Inventors: Shaomeng Wang, Jianyong Chen, John F. W. Keana, Ming Guo
  • Publication number: 20080305082
    Abstract: Disclosed are compounds having Formula I: and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, A, and B are as defined herein, for use in methods for treating, preventing or ameliorating hyperproliferative disorders, such as cancer and other diseases and conditions. The invention also relates to pharmaceutical compositions and formulations comprising a compound having Formula I, and in combination with one or more other active agents and/or treatments.
    Type: Application
    Filed: September 14, 2005
    Publication date: December 11, 2008
    Inventors: John G. Curd, Robert L. Capizzi, John F.W. Keana
  • Publication number: 20080305075
    Abstract: The present invention relates to vinca alkaloid and analog N-oxides having activity for treating hyperproliferative disorders. Further, the invention relates to pharmaceutical compositions and methods of using vinca alkaloid and analog N-oxides, alone or in combination with one or more other active agents or treatments, to treat hyperproliferative disorders.
    Type: Application
    Filed: April 29, 2008
    Publication date: December 11, 2008
    Inventors: John G. Curd, John F.W. Keana, Alshad S. Lalani, Paul B. Westberg, Bradford Goodwin, W. David Henner
  • Patent number: 7270801
    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, dipeptidyl peptidase IV, calpain, aminopeptidase, HIV protease, adenovirus protease, HSV-1 protease, HCMV protease and HCV protease.
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: September 18, 2007
    Assignee: Cytovia, Inc.
    Inventors: Eckard Weber, Sui Xiong Cai, John F. W. Keana, John A. Drewe, Han-Zhong Zhang
  • 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
  • Patent number: 6800657
    Abstract: Disclosed is a method for treating a disorder responsive to the positive modulation of AMPA receptors in animals suffering therefrom, comprising administering to an animal in need thereof a compound of Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is NH2, NHR, and NHCOR; Z is O and S; and R1, R2, R3, R4, and X are defined herein. These compounds can be used as cognitive enhancers, for the treatment of neurodegenerative diseases, including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease, Parkinson's disease, AIDS associated dementia and Down's syndrome as well as for the treatment of schizophrenia and myoclonus. Also disclosed are pharmaceutical compositions useful for treating disorders responsive to the positive modulation of AMPA receptors, and novel compounds of Formula I.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: October 5, 2004
    Assignee: Euro-Celtique S.A.
    Inventors: Christopher S. Konkoy, David B. Fick, Sui Xiong Cai, Nancy C. Lan, John F. W. Keana
  • Publication number: 20040191844
    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, dipeptidyl peptidase IV, calpain, aminopeptidase, HIV protease, adenovirus protease, HSV-1 protease, HCMV protease and HCV protease.
    Type: Application
    Filed: April 22, 2004
    Publication date: September 30, 2004
    Applicant: Cytovia, Inc.
    Inventors: Eckard Weber, Sui Xiong Cai, John F.W. Keana, John A. Drewe, Han-Zhong Zhang
  • Patent number: 6759207
    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, dipeptidyl peptidase IV, calpain, aminopeptidase, HIV protease, adenovirus protease, HSV-1 protease, HCMV protease and HCV protease.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: July 6, 2004
    Assignee: Cytovia, Inc.
    Inventors: Eckard Weber, Sui Xiong Cai, John F. W. Keana, John A. Drewe, Han-Zhong Zhang
  • Publication number: 20040097581
    Abstract: Disclosed is a method for treating a disorder responsive to the positive modulation of AMPA receptors in animals suffering therefrom, comprising administering to an animal in need thereof a compound of Formula I: 1
    Type: Application
    Filed: July 2, 2003
    Publication date: May 20, 2004
    Inventors: Christopher S. Konkoy, David B. Fick, Sui Xiong Cai, Nancy C. Lan, John F.W. Keana
  • Patent number: 6696442
    Abstract: This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R1, R21, R22 and R23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl-82-; or R22 and R23, together with the N, form a heterocycle; A1 and A2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR24, CR25R26, C(O), NR24C(O), C(O)NR24, SO, SO2 or a covalent bond; where R24, R25 and R26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: February 24, 2004
    Assignee: Euro-Celtique S.A.
    Inventors: Yan Wang, Sui Xiong Cai, Nancy C. Lan, John F. W. Keana, Victor I. Ilyin
  • Patent number: 6680332
    Abstract: Disclosed is a method for treating a disorder responsive to the positive modulation of AMPA receptors in animals suffering therefrom, comprising administering to an animal in need thereof a compound of Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is NH2, NHR, and NHCOR; Z is O and S; and R1, R2, R3, R4, and X are defined herein. These compounds can be used as cognitive enhancers, for the treatment of neurodegenerative diseases, including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease, Parkinson's disease, AIDS associated dementia and Down's syndrome as well as for the treatment of schizophrenia and myoclonus. Also disclosed are pharmaceutical compositions useful for treating disorders responsive to the positive modulation of AMPA receptors, and novel compounds of Formula I.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: January 20, 2004
    Assignee: Euro-Celtique S.A.
    Inventors: Christopher S. Konkoy, David B. Fick, Sui Xiong Cai, Nancy C. Lan, John F. W. Keana
  • Patent number: 6638947
    Abstract: This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R1, R21, R22 and R23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl; or R22 and R23, together with the N, form a heterocycle; A1 and A2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR24, CR25R26, C(O), NR24C(O), C(O)NR24, SO, SO2 or a covalent bond; where R24, R25 and R26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: October 28, 2003
    Assignee: Euro-Celtique S.A.
    Inventors: Yan Wang, Sui Xiong Cai, John F. W. Keana
  • Publication number: 20030181391
    Abstract: The present invention is directed to novel dipeptides thereof, represented by the general Formula I: 1
    Type: Application
    Filed: May 5, 2003
    Publication date: September 25, 2003
    Applicant: Cytovia, Inc.
    Inventors: John F.W. Keana, Sui Xiong Cai, John Guastella, Wu Yang, John A. Drewe, Eckard Weber
  • Patent number: 6613803
    Abstract: This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by Formula I: or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R1, R21, R22 and R23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl; or R22 and R23, together with the N, form a heterocycle; A1 and A2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR24, CR25R26, C(O), NR24C(O), C(O)NR24, SO, SO2 or a covalent bond; where R24, R25 and R26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: September 2, 2003
    Assignee: Euro-Celtique S.A.
    Inventors: Yan Wang, Sui Xiong Cai, Nancy C. Lan, John F. W. Keana, Victor I. Ilyin, Eckard Weber
  • Publication number: 20030144319
    Abstract: The invention relates to subtype-selective NMDA receptor ligands and the use thereof for treating or preventing neuronal loss associated with stroke, ischemia, CNS trauma, hypoglycemia and surgery, as well as treating neurodegenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome, treating or preventing the adverse consequences of the overstimulation of the excitatory amino acids, treating anxiety, psychosis, convulsions, aminoglycoside antibiotics-induced hearing loss, migraine headache, chronic pain, Parkinson's disease, glaucoma, CMV retinitis, urinary incontinence, opioid tolerance or withdrawal, and inducing anesthesia, as well as for enhancing cognition.
    Type: Application
    Filed: November 14, 2002
    Publication date: July 31, 2003
    Inventors: Christopher F. Bigge, Gian Luca Araldi, Sui Xiong Cai, Anthony P. Guzikowski, Donald Lamunyon, Nancy C. Lan, Zhang-Lin Zhou, John F.W. Keana
  • Patent number: 6596693
    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: August 31, 2000
    Date of Patent: July 22, 2003
    Assignee: Cytovia, Inc.
    Inventors: John F. W. Keana, Sui Xiong Cai, John Guastella, Wu Yang, John A. Drewe, Eckard Weber
  • Publication number: 20030105133
    Abstract: Novel 4-substituted piperidine analogs, pharmaceutical compositions containing the same and the method of using 4-substituted piperidine analogs as selectively active antagonists of N-methyl-D-aspartate (NMDA) receptor subtypes for treating conditions such as stroke, cerebral ischemia, central nervous system trauma, hypoglycemia, anxiety, convulsions, aminoglycoside antibiotics-induced hearing loss, migraine headaches, glaucoma, CMV retinitis, chronic pain, opioid tolerance or withdrawals, or neurodegenerative disorders, such as lathyrism, Alzheimer's Disease, Parkinsonism and Huntington's Disease are described. Also described are novel methods for preparing 4-substituted piperidine analogs and novel intermediates of the 4-substituted piperidine analogs.
    Type: Application
    Filed: July 29, 2002
    Publication date: June 5, 2003
    Inventors: Christopher F. Bigge, Jonathan Wright, Sui Xiong Cai, Eckard Weber, Richard Woodward, Nancy F. Lan, Zhang-Lin Zhou, John F.W. Keana