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).

  • Patent number: 9126962
    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: Grant
    Filed: October 15, 2014
    Date of Patent: September 8, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 9115137
    Abstract: Provided are new tricyclic compounds that may be used to modulate a histamine receptor in an individual. Compounds are described, including new 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole compounds. 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: January 26, 2009
    Date of Patent: August 25, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 9096591
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. 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 12, 2013
    Date of Patent: August 4, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sundeep Dugar, Sarvajit Chakravarty
  • Patent number: 9085580
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[3,4-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: July 21, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 9079904
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[3,4-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: July 14, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20150182509
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. 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 25, 2015
    Publication date: July 2, 2015
    Inventors: David T. HUNG, Andrew Asher PROTTER, Rajendra Parasmal JAIN, Sundeep DUGAR, Sarvajit CHAKRAVARTY
  • Patent number: 9051314
    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: September 20, 2013
    Date of Patent: June 9, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 9045482
    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: March 8, 2013
    Date of Patent: June 2, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 9040519
    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: Grant
    Filed: February 18, 2011
    Date of Patent: May 26, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Patent number: 9034869
    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 7, 2013
    Date of Patent: May 19, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 9034880
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. 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: May 19, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sundeep Dugar, Sarvajit Chakravarty
  • Patent number: 9035056
    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: Grant
    Filed: February 17, 2012
    Date of Patent: May 19, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Patent number: 9034865
    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.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: May 19, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Patent number: 9023869
    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: Grant
    Filed: November 26, 2012
    Date of Patent: May 5, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 9006263
    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: March 7, 2013
    Date of Patent: April 14, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain, Michael John Green
  • Patent number: 9006234
    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: July 2, 2012
    Date of Patent: April 14, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8999977
    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 8, 2013
    Date of Patent: April 7, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Patent number: 8999978
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. 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: November 16, 2012
    Date of Patent: April 7, 2015
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sundeep Dugar, Sarvajit Chakravarty
  • Publication number: 20150065519
    Abstract: This disclosure provides compounds and methods of using those compounds to treat metabolic disorders and hyperproliferative disorders, including administration of the compounds in conjunction with hormone receptor antagonists.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 5, 2015
    Inventors: Sarvajit Chakravarty, Roopa Rai, Son Minh Pham, Brahmam Pujala, Ramniwas Jangir, Rambabu Guguloth, Vijay Kumar Sharma
  • Publication number: 20150051218
    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: Application
    Filed: November 3, 2014
    Publication date: February 19, 2015
    Inventors: David T. HUNG, Andrew A. PROTTER, Rajendra Parasmal JAIN, Sarvajit CHAKRAVARTY