Patents by Inventor Vadim Markovtsov

Vadim Markovtsov 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: 20220000880
    Abstract: Disclosed herein are embodiments of a method and pharmaceutical composition for treating acute myeloid leukemia (AML). In particular, the method embodiments comprise treating AML with 6-((5-fluoro-2-((3,4,5-trimethoxyphenyl)amino)pyrimidin-4-yl)amino)-2,2-dimethyl-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one, or a prodrug thereof, alone or in combination with one or more therapeutic agents that themselves are effective for treating AML. Also disclosed are embodiments of a pharmaceutical composition comprising 6-((5-fluoro-2-((3,4,5-trimethoxyphenyl)amino)pyrimidin-4-yl)amino)-2,2-dimethyl-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one, or a prodrug thereof, either as the sole therapeutic agent or in combination with one or more therapeutic agents effective for treating AML.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 6, 2022
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Sandra Tong, Vadim Markovtsov, Ann Lowe, Anne-Marie Duliege
  • Publication number: 20210283152
    Abstract: Provided herein are a variety of methods that involve administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient. In some embodiments, the method may comprise administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient having or suspected of having a COVID-19 infection. In some embodiments, the method may comprise administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient having, suspected of having or expected to develop acute respiratory distress syndrome, acute kidney injury, and/or thrombosis. In some embodiments, the method may comprise administering fostamatinib, an active component thereof or a pharmaceutically acceptable salt thereof to a patient having, suspected of having or expected to develop symptoms associated with a cytokine response. Aspects of the methods may further include identifying a patient with kidney malfunction, e.g.
    Type: Application
    Filed: May 18, 2021
    Publication date: September 16, 2021
    Inventors: Esteban Masuda, Vadim Markovtsov
  • Patent number: 9725419
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 8, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Vadim Markovtsov
  • Patent number: 9624229
    Abstract: This invention is directed to methods of treating diseases or conditions associated with JAK2 activity in a mammal comprising the administration of a compound of formula (I): where n, m, Y, R1, R2, R3, R4 and R5 are disclosed herein, or a pharmaceutically acceptable salt.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: April 18, 2017
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Somasekhar Bhamidipati, Jeffrey Clough, Ankush Argade, Rajinder Singh, Vadim Markovtsov, Pingyu Ding, Jiaxin Yu, Andy Atuegbu, Hui Hong, Ihab Darwish, Sambaiah Thota
  • Patent number: 9383362
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: July 5, 2016
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Publication number: 20150168408
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Application
    Filed: March 2, 2015
    Publication date: June 18, 2015
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Patent number: 9005909
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: April 14, 2015
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Publication number: 20150087673
    Abstract: Disclosed are methods of using AMPK-activating compounds, for example, in the treatment of cancer and disorders of vascular flow. Also disclosed are biomarkers for AMPK and uses thereof, for example, in the diagnosis and treatment of AMPK-linked disorders. In certain embodiments, the AMPK-activating compounds have the structural formula wherein E, J, T, D1, D2, D3, the ring system denoted by “B”, T, R3, R4, w and x are as described herein.
    Type: Application
    Filed: September 26, 2014
    Publication date: March 26, 2015
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Yasumichi Hitoshi, Yonchu Jenkins, Vadim Markovtsov, Todd Kinsella, Tian-Qiang Sun
  • Publication number: 20140363443
    Abstract: The present disclosure relates to 2,4-pyrimidinediamines substituted with tricyclic carbamates and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, such as JAK2 or JAK3, is therapeutically useful.
    Type: Application
    Filed: August 22, 2014
    Publication date: December 11, 2014
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Vadim Markovtsov
  • Patent number: 8846908
    Abstract: The present disclosure relates to 2,4-pyrimidinediamines substituted with tricyclic carbamates and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, such as JAK2 or JAK3, is therapeutically useful.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: September 30, 2014
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Vadim Markovtsov
  • Patent number: 8410093
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: April 2, 2013
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Vadim Markovtsov
  • Patent number: 8304422
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: November 6, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Patent number: 8299087
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: October 30, 2012
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Arvinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper
  • Publication number: 20120178098
    Abstract: A method of sample analysis is provided. In certain embodiments, the method comprises: a) labeling cells of a blood sample using an antibody that specifically binds to phospho-AMPK or a phosphorylated target thereof, to produce a labeled sample; and b) measuring antibody binding by a population of blood cells of the labeled sample using flow cytometry. In particular embodiments, the method may further comprise, prior to the labeling step: contacting blood with a test agent ex vivo or in vivo; and comparing the evaluation to results obtained from a reference sample of blood cells.
    Type: Application
    Filed: December 21, 2011
    Publication date: July 12, 2012
    Inventors: Vadim Markovtsov, Yasumichi Hitoshi
  • Publication number: 20110269749
    Abstract: The present disclosure relates to 2,4-pyrimidinediamines substituted with tricyclic carbamates and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, such as JAK2 or JAK3, is therapeutically useful.
    Type: Application
    Filed: September 23, 2009
    Publication date: November 3, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Rajinder Singh, Somasekhar Bhamidipati, Vadim Markovtsov
  • Publication number: 20110152518
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 23, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Vadim Markovtsov
  • Patent number: 7947698
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: May 24, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Publication number: 20110082146
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: December 13, 2010
    Publication date: April 7, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Publication number: 20110027856
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: October 11, 2010
    Publication date: February 3, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Arvinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper
  • Patent number: 7834024
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: November 16, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Avinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper