Patents by Inventor Mark David Charles

Mark David Charles 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: 11766434
    Abstract: The present invention relates to compounds of formula I as defined herein, and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity. The present invention also relates to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: September 26, 2023
    Assignee: Cancer Research Technology Limited
    Inventors: Emma L. Carswell, Mark David Charles, Chukuemeka Tennyson Ekwuru, Frederic Elustondo, Katherine M. Fowler, Gregory R. Ott, Jonathan R. Roffey, Joanna L. Brookfield, Daniel James Ford, Mathew L. Calder
  • Patent number: 11753405
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: September 12, 2023
    Assignee: Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Publication number: 20220079942
    Abstract: The present invention relates to compounds of formula I as defined herein, and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity. The present invention also relates to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Application
    Filed: April 29, 2021
    Publication date: March 17, 2022
    Inventors: Emma L. Carswell, Mark David Charles, Chukuemeka Tennyson Ekwuru, Frederic Elustondo, Katherine M. Fowler, Gregory R. Ott, Jonathan R. Roffey, Joanna L. Brookfield, Daniel James Ford, Mathew L. Calder
  • Publication number: 20210246131
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Application
    Filed: April 15, 2021
    Publication date: August 12, 2021
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Patent number: 11020396
    Abstract: The present invention relates to compounds of formula I as defined herein, and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity. The present invention also relates to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: June 1, 2021
    Assignee: Cancer Research Technology Limited
    Inventors: Emma L. Carswell, Mark David Charles, Chukuemeka Tennyson Ekwuru, Frederic Elustondo, Katherine M. Fowler, Gregory R. Ott, Jonathan R. Roffey, Joanna L. Brookfield, Daniel James Ford, Mathew L. Calder
  • Patent number: 10981904
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: April 20, 2021
    Assignee: Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Patent number: 10919896
    Abstract: The present invention relates to compounds of formula (I), and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity: wherein X, R1, R2, and n are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 16, 2021
    Assignee: Cancer Research Technology Limited
    Inventors: Emma L. Carswell, Mark David Charles, Anne Cochi, Benjamin J. Dugan, Chukuemeka Tennyson Ekwuru, Fred Elustondo, Katherine M. Fowler, Frederic Georges Marie Leroux, Nathaniel J. T. Monck, Gregory R. Ott, Jonathan R. Roffey, Gurwinder Sidhu, Neil Tremayne
  • Publication number: 20200123157
    Abstract: The present invention relates to compounds of formula (I), and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity: wherein X, R1, R2, and n are each as defined herein. The present invention also relates to processes for the preparation of these compounds, to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Application
    Filed: September 22, 2017
    Publication date: April 23, 2020
    Inventors: Emma L. Carswell, Mark David Charles, Anne Cochi, Benjamin J. Dugan, Chukuemeka Tennyson Ekwuru, Fred Elustondo, Katherine M. Fowler, Frederic Georges Marie Leroux, Nathaniel J.T. Monck, Gregory R. Ott, Jonathan R. Roffey, Gurwinder Sidhu, Neil Tremayne
  • Publication number: 20190389853
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Application
    Filed: May 3, 2019
    Publication date: December 26, 2019
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Publication number: 20190336502
    Abstract: The present invention relates to compounds of formula I as defined herein, and salts and solvates thereof, that function as inhibitors of cell division cycle 7 (Cdc7) kinase enzyme activity. The present invention also relates to pharmaceutical compositions comprising them, and to their use in the treatment of proliferative disorders, such as cancer, as well as other diseases or conditions in which Cdc7 kinase activity is implicated.
    Type: Application
    Filed: November 7, 2017
    Publication date: November 7, 2019
    Inventors: Emma L. Carswell, Mark David Charles, Chukuemeka Tennyson Ekwuru, Frederic Elustondo, Katherine M. Fowler, Gregory R. Ott, Jonathan R. Roffey, Joanna L. Brookfield, Daniel James Ford, Mathew L. Calder
  • Patent number: 10323028
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 18, 2019
    Assignees: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Patent number: 10294221
    Abstract: The specification relates to compounds of Formula (I): and pharmaceutically acceptable salts thereof, where Q, R, R1 and R2 have any of the meanings defined herein. The specification also relates to the use of such compounds and salts thereof to treat or prevent GLS1 mediated disease, including cancer. The specification further relates to crystalline forms of compounds of Formula (I) and pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising such compounds and salts; kits comprising such compounds and salts; methods of manufacture of such compounds and salts; intermediates useful in the manufacture of such compounds and salts; and to methods of treating GLS1 kinase mediated disease, including cancer, using such compounds and salts.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: May 21, 2019
    Assignees: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Maurice Raymond Verschoyle Finlay, Chukuemeka Tennyson Ekwuru, Mark David Charles, Piotr Antoni Raubo, Jonathan James Gordon Winter, Johannes Wilhelmus Maria Nissink
  • Publication number: 20180305349
    Abstract: The specification relates to compounds of Formula (I): and pharmaceutically acceptable salts thereof, where Q, R, R1 and R2 have any of the meanings defined herein. The specification also relates to the use of such compounds and salts thereof to treat or prevent GLS1 mediated disease, including cancer. The specification further relates to crystalline forms of compounds of Formula (I) and pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising such compounds and salts; kits comprising such compounds and salts; methods of manufacture of such compounds and salts; intermediates useful in the manufacture of such compounds and salts; and to methods of treating GLS1 kinase mediated disease, including cancer, using such compounds and salts.
    Type: Application
    Filed: July 2, 2018
    Publication date: October 25, 2018
    Inventors: Maurice Raymond Verschoyle Finlay, Chukuemeka Tennyson Ekwuru, Mark David Charles, Piotr Antoni Raubo, Jonathan James Gordon Winter, Johannes Wilhelmus Maria Nissink
  • Patent number: 10040788
    Abstract: The specification relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where Q, R, R1 and R2 have any of the meanings defined herein. The specification also relates to the use of such compounds and salts thereof to treat or prevent GLS1 mediated disease, including cancer. The specification further relates to crystalline forms of compounds of Formula (I) and pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising such compounds and salts; kits comprising such compounds and salts; methods of manufacture of such compounds and salts; intermediates useful in the manufacture of such compounds and salts; and to methods of treating GLS1 kinase mediated disease, including cancer, using such compounds and salts.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 7, 2018
    Assignees: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Maurice Raymond Verschoyle Finlay, Chukuemeka Tennyson Ekwuru, Mark David Charles, Piotr Antoni Raubo, Jonathan James Gordon Winter, Johannes Wilhelmus Maria Nissink
  • Patent number: 9938265
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 5-methylpyridazin-3-yl,5-chloropyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R can be hydrogen, fluoro, or methoxy; R1 can be hydrogen, methoxy, difluoromethoxy, or trifluoromethoxy; and R2 can be methyl or ethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: April 10, 2018
    Assignees: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles, Matt Wood
  • Publication number: 20170197954
    Abstract: The specification relates to compounds of Formula (I), and pharmaceutically acceptable salts thereof, where Q, R, R1 and R2 have any of the meanings defined herein. The specification also relates to the use of such compounds and salts thereof to treat or prevent GLS1 mediated disease, including cancer. The specification further relates to crystalline forms of compounds of Formula (I) and pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising such compounds and salts; kits comprising such compounds and salts; methods of manufacture of such compounds and salts; intermediates useful in the manufacture of such compounds and salts; and to methods of treating GLS1 kinase mediated disease, including cancer, using such compounds and salts.
    Type: Application
    Filed: May 27, 2015
    Publication date: July 13, 2017
    Applicants: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Maurice Raymond Verschoyle Finlay, Chukuemeka Tennyson Ekwuru, Mark David Charles, Piotr Antoni Raubo, Jonathan James Gordon Winter, Johannes Wilhelmus Maria Nissink
  • Publication number: 20170152254
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 5-methylpyridazin-3-yl, 5-chloropyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R can be hydrogen, fluoro, or methoxy; R1 can be hydrogen, methoxy, difluoromethoxy, or trifluoromethoxy; and R2 can be methyl or ethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Application
    Filed: November 29, 2016
    Publication date: June 1, 2017
    Applicants: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles, Matt Wood
  • Publication number: 20170152255
    Abstract: A compound of Formula (I): or a pharmaceutically acceptable salt thereof, where: Q can be 1,2,4-triazin-3-yl, pyridazin-3-yl, 6-methylpyridazin-3-yl, or 6-fluoropyridazin-3-yl; R1 can be hydrogen, methoxy, trifluoromethoxy, oxetan-3-yl, 3-fluoroazetidin-1-yl, 3-methoxyazetidin-1-yl, or 3,3-difluoroazetidin-1-yl; R2 can be hydrogen or fluoro; R3 can be hydrogen or methoxy; and R4 can be methoxy, ethoxy, or methoxymethyl; provided that when R1 is hydrogen, methoxy or trifluoromethoxy, then R3 is not hydrogen, and/or R4 is methoxymethyl. The compound of formula (I) can inhibit glutaminase, e.g., GLS1.
    Type: Application
    Filed: November 29, 2016
    Publication date: June 1, 2017
    Applicants: AstraZeneca AB, Cancer Research Technology Limited
    Inventors: Johannes Wilhelmus Maria Nissink, Maurice Raymond Verschoyle Finlay, Mark David Charles
  • Publication number: 20110098325
    Abstract: The present invention pertains generally to the field of therapeutic compounds, and more specifically to certain pyridine benzamide and pyrazine benzamide compounds (referred to herein as PDBA and PZBA compounds) which, inter alia, inhibit protein kinase D (PKD) (e.g., PKD1, PKD2, PKD3). The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit PKD, and in the treatment of diseases and conditions that are mediated by PKD, that are ameliorated by the inhibition of PKD, etc., including proliferative conditions such as cancer, etc.
    Type: Application
    Filed: December 14, 2007
    Publication date: April 28, 2011
    Applicant: CANCER RESEARCH TECHNOLOGY LIMITED
    Inventors: Tony Michael Raynham, Timothy Robin Hammonds, Mark David Charles, Grégoire Alexandre Pave, Caroline Heather Foxton, Wesley Peter Blackaby, Adrian Philip Stevens, Chukuemeka Tennyson Ekwuru
  • Publication number: 20090247519
    Abstract: The present invention pertains generally to the field of therapeutic compounds, and more specifically to certain amino-ethyl-amino-aryl (AEAA) compounds which, inter alia, inhibit protein kinase D (PKD) (e.g., PKD1, PKD2, PKD3). The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit PKD, and in the treatment of diseases and conditions that are mediated by PKD, that are ameliorated by the inhibition of PKD, etc., including proliferative conditions such as cancer, etc.
    Type: Application
    Filed: April 26, 2007
    Publication date: October 1, 2009
    Inventors: Tony Michael Raynham, Timothy Robin Hammonds, Julia Helen Gilliatt, Mark David Charles, Gregoire Alexandre Pave, Caroline Heather Foxton, James Lindsay Carr, Neela Sumit Mistry