Patents by Inventor Sarvajit Chakravarty

Sarvajit Chakravarty 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: 20150031726
    Abstract: Substituted phenylcarbamoyl alkylamino arenes; substituted phenylthiocarbamyl alkylamino arenes; substituted phenylcarbamoyl alkylamino heteroarenes; substituted phenylthiocarbamyl alkylamino heteroarenes; N-substituted aryl, N?-substituted aryl urea compounds; N-substituted aryl, N?-substituted heteroaryl urea compounds; N-substituted aryl, N?-substituted aryl thiourea compounds and N-substituted aryl, N?-substituted heteroaryl thiourea compounds are provided and may find use as androgen receptor modulators. The compounds may find particular use in treating prostate cancer, including castration-resistant prostate cancer and/or hormone-sensitive prostate cancer.
    Type: Application
    Filed: October 15, 2014
    Publication date: January 29, 2015
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 8927571
    Abstract: New heterocyclic compounds that may be used to modulate a histamine receptor in an individual are described. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: January 6, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20150005322
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: September 12, 2014
    Publication date: January 1, 2015
    Inventors: Rajendra Parasmal JAIN, Sarvajit Chakravarty
  • Patent number: 8906925
    Abstract: This disclosure is directed to pyrido[4,3-b]indoles having rigid moieties. The compounds in one embodiment are pyrido[4,3-b]indoles having an unsaturated hydrocarbon moiety. The compounds in another embodiment are pyrido[4,3-b]indoles having a cycloalkyl, cycloalkenyl or heterocyclyl moiety. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: December 9, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8907097
    Abstract: This disclosure is directed to pyrido[4,3-b]indoles having rigid moieties. The compounds in one embodiment are pyrido[4,3-b]indoles having an unsaturated hydrocarbon moiety. The compounds in another embodiment are pyrido[4,3-b]indoles having a cycloalkyl, cycloalkenyl or heterocyclyl moiety. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: December 9, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8859561
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: October 14, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20140303144
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are adrenergic receptor ?2B antagonists. The compounds may also bind to and antagonize adrenergic receptor ?2B. The compounds may find use in therapy, e.g., to (i) reduce blood pressure and/or (ii) promote renal blood flow and/or (iii) decrease or inhibit sodium reabsorption. The compounds may also be used to treat diseases or conditions that are, or are expected to be, responsive to a decrease in blood pressure. Use of the compounds to treat cardiovascular and renal disorders is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: October 9, 2014
    Applicant: Medivation Technologies, Inc.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty
  • Publication number: 20140296209
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are adrenergic receptor ?2B antagonists. The compounds may also bind to and antagonize adrenergic receptor ?1B—The compounds may find use in therapy, e.g., to (i) reduce blood pressure and/or (ii) promote renal blood flow and/or (iii) decrease or inhibit sodium reabsorption. The compounds may also be used to treat diseases or conditions that are, or are expected to be, responsive to a decrease in blood pressure. Use of the compounds to treat cardiovascular and renal disorders is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: October 2, 2014
    Applicant: MEDIVATION TECHNOLOGIES, INC.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty
  • Patent number: 8815843
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are antagonists of the adrenergic receptor ?2A. The compounds may also bind to and are an antagonist of the adrenergic receptor ?2B; or the compounds are not antagonists of the adrenergic receptor ?2B and the compounds are administered in conjunction with a second agent that reduces, or is expected to reduce, blood pressure in an individual. The compounds may find use in therapy, e.g., to regulate blood glucose level, increase insulin secretion and treat diseases or conditions that are, or are expected to be, responsive to an increase in insulin production. Use of the compounds to treat type 2 diabetes is particularly described.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: August 26, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain, Michael John Green
  • Publication number: 20140213577
    Abstract: This disclosure relates to new azepino[4,5-b]indole compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new 1,2,3,4,5,6-tetrahydroazepino[4,5-b]indoles. Pharmaceutical compositions are also provided.
    Type: Application
    Filed: October 8, 2013
    Publication date: July 31, 2014
    Applicant: MEDIVATION TECHNOLOGIES, INC.
    Inventors: David T. HUNG, Andrew Asher PROTTER, Rajendra Parasmal JAIN, Sarvajit CHAKRAVARTY
  • Patent number: 8791132
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are adrenergic receptor ?2B antagonists. The compounds may also bind to and antagonize adrenergic receptor ?1B. The compounds may find use in therapy, e.g., to (i) reduce blood pressure and/or (ii) promote renal blood flow and/or (iii) decrease or inhibit sodium reabsorption. The compounds may also be used to treat diseases or conditions that are, or are expected to be, responsive to a decrease in blood pressure. Use of the compounds to treat cardiovascular and renal disorders is particularly described.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: July 29, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain, Michael John Green
  • Publication number: 20140206711
    Abstract: This disclosure is directed to pyrido[4,3-b]indole and pyrido[3,4-b]indole derivatives. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder. The compounds may bind to and antagonize receptor ?2B, ?1B or ?2A. The compounds may find use in therapy, e.g., to (i) reduce blood pressure and/or (ii) promote renal blood flow and/or (iii) decrease or inhibit sodium reabsorption, or to regulate blood glucose level, increase insulin secretion and treat diseases or conditions that are, or are expected to be, responsive to an increase in insulin production. The compounds may also be used to treat diseases or conditions that are expected to be responsive to a decrease in blood pressure. Use of the compounds to treat cardiovascular, renal disorders or type 2 diabetes is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: July 24, 2014
    Applicant: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Publication number: 20140179668
    Abstract: Fused pyrimidine compounds as kinase inhibitors, such as multi-kinase inhibitors, are provided. Fused pyrimidine compounds as IGF-IR inhibitors are provided. The compounds may be used in a method of treating cancer. Pharmaceutical compositions containing a fused pyrimidine compound and a pharmaceutically acceptable carrier are also provided, as are kits containing a fused pyrimidine compound or salt thereof and instructions for use, e.g., in a method of treating cancer.
    Type: Application
    Filed: December 26, 2013
    Publication date: June 26, 2014
    Applicant: MEDIVATION TECHNOLOGIES, INC.
    Inventors: Sarvajit CHAKRAVARTY, Roopa RAI, Michael John GREEN
  • Publication number: 20140155384
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are antagonists of the adrenergic receptor a2A. The compounds may also bind to and are an antagonist of the adrenergic receptor ?2B; or the compounds are not antagonists of the adrenergic receptor ?2? and the compounds are administered in conjunction with a second agent that reduces, or is expected to reduce, blood pressure in an individual. The compounds may find use in therapy, e.g., to regulate blood glucose level, increase insulin secretion and treat diseases or conditions that are, or are expected to be, responsive to an increase in insulin production. Use of the compounds to treat type 2 diabetes is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 5, 2014
    Applicant: Medivation Technologies, Inc.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty
  • Patent number: 8741919
    Abstract: New heterocyclic compounds that may be used to modulate a histamine receptor in an individual are described. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: June 3, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8710086
    Abstract: Substituted di-arylhydantoin and di-arylthiohydantoins are provided and may find use as androgen receptor modulators. The compounds may find particular use in treating prostate cancer, including CRPC and/or hormone-sensitive prostate cancer.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: April 29, 2014
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Publication number: 20140024643
    Abstract: This disclosure relates to new compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new bridged heterocyclic [4,3-b]indole compounds. Pharmaceutical compositions are also provided. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: September 20, 2013
    Publication date: January 23, 2014
    Applicant: MEDIVATION TECHNOLOGIES, INC.
    Inventors: David T. HUNG, Andrew Asher PROTTER, Sarvajit CHAKRAVARTY, Rajendra Parasmal JAIN
  • Patent number: 8569287
    Abstract: This disclosure relates to new azepino[4,5-b]indole compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new 1,2,3,4,5,6-tetrahydroazepino[4,5-b]indoles. Pharmaceutical compositions are also provided.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: October 29, 2013
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8546381
    Abstract: This disclosure relates to new compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new bridged heterocyclic [4,3-b]indole compounds. Pharmaceutical compositions are also provided. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: October 1, 2013
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Publication number: 20130225558
    Abstract: This disclosure is directed to fused tetracyclic pyrido[4,3-b>]indole and pyrido[3,4-b]indole derivatives. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 29, 2013
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain