Patents by Inventor Gary Trewartha

Gary Trewartha 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: 9051278
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: June 9, 2015
    Assignee: ASTEX THERAPEUTICS, LTD.
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20140371213
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Application
    Filed: May 19, 2014
    Publication date: December 18, 2014
    Applicant: ASTEX THERAPEUTICS, LTD.
    Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Adrian Liam GILL, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
  • Patent number: 8778936
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 15, 2014
    Assignee: Astex Therapeutics Limited
    Inventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
  • Patent number: 8779147
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof, and combinations thereof with other anti-cancer agents, for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: July 15, 2014
    Assignee: Astex Therapeutics, Ltd.
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20140010892
    Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Aurora kinases and are therefore useful to treat cancer and viral diseases.
    Type: Application
    Filed: May 24, 2013
    Publication date: January 9, 2014
    Applicant: Astex Therapeutics Limited
    Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Eva Figueroa NAVARRO, Adrian Liam GILL, Steven HOWARD, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
  • Patent number: 8293767
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: October 23, 2012
    Assignee: Astex Therapeutics Limited
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
  • Publication number: 20120213791
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof, and combinations thereof with other anti-cancer agents, for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3.
    Type: Application
    Filed: November 4, 2011
    Publication date: August 23, 2012
    Applicant: ASTEX THERAPEUTICS, LTD.
    Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Adrian Liam GILL, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
  • Publication number: 20120190673
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Application
    Filed: December 19, 2011
    Publication date: July 26, 2012
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Valerio BERDINI, Maria Grazia CARR, Adrian Liam GILL, Steven HOWARD, Eva Figueroa NAVARRO, Gary TREWARTHA, David Charles REES, Mladen VINKOVIC, Paul Graham WYATT
  • Patent number: 8110573
    Abstract: The invention provides a compound of the formula (I): or a salt, solvate, tautomer or N-oxide thereof, wherein M is selected from a group D1 and a group D2: and R?, E, A and X are as defined in the claims. Also provided are pharmaceutical compositions containing the compounds, processes for making the compounds and the use of the compounds in the prophylaxis or treatment of a disease state mediated by a CDK kinase, GSK-3 kinase or Aurora kinase.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: February 7, 2012
    Assignee: Astex Therapeutics Limited
    Inventors: Valerio Berdini, Maria Grazia Carr, Adrian Liam Gill, Steven Howard, Eva Figueroa Navarro, Gary Trewartha, David Charles Rees, Mladen Vinkovic, Paul Graham Wyatt
  • Patent number: 8080666
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: December 20, 2011
    Assignee: Astex Therapeutics, Ltd.
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20110274616
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Application
    Filed: July 22, 2011
    Publication date: November 10, 2011
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Paul Graham WYATT, David Charles REES, Mladen VINKOVIC, Gary TREWARTHA
  • Publication number: 20110224203
    Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Aurora kinases and are therefore useful to treat cancer and viral diseases.
    Type: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Eva Figueroa NAVARRO, Adrian Liam GILL, Steven HOWARD, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
  • Patent number: 8013163
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: September 6, 2011
    Assignee: Astex Therapeutics Limited
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha
  • Patent number: 7977477
    Abstract: The invention provides compounds of the formula (I): The compounds have activity against cyclin dependent kinases, glycogen synthase kinase and Auroa kinases and are therefore useful to treat cancer and viral diseases.
    Type: Grant
    Filed: July 5, 2004
    Date of Patent: July 12, 2011
    Assignee: Astex Therapeutics, Limited
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Eva Figueroa Navarro, Adrian Liam Gill, Steven Howard, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Wyatt
  • Publication number: 20110003799
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Application
    Filed: September 8, 2010
    Publication date: January 6, 2011
    Applicant: ASTEX THERAPEUTICS, LTD.
    Inventors: Valerio BERDINI, Michael Alistair O'BRIEN, Maria Grazia CARR, Theresa Rachel EARLY, Adrian Liam GILL, Gary TREWARTHA, Alison Jo-Anne WOOLFORD, Andrew James WOODHEAD, Paul Graham WYATT
  • Patent number: 7825140
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1-A-NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: November 2, 2010
    Assignee: Astex Therapeutics, Ltd.
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
  • Patent number: 7745638
    Abstract: The invention provides compounds of the formula (0) or salts or tautomers or N-oxides or solvates thereof for use in the prophylaxis or treatment of disease states and conditions such as cancers mediated by cyclin-dependent kinase and glycogen synthase kinase-3. In formula (0): X is a group R1—A—NR4— or a 5- or 6-membered carbocyclic or heterocyclic ring; A is a bond, SO2, C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; R1 is hydrogen; a carbocyclic or heterocyclic group having from 3 to 12 ring members; or a C1-8 hydrocarbyl group optionally substituted by one or more substituents selected from halogen (e.g.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: June 29, 2010
    Assignees: Astex Therapeutics Limited, The Institute of Cancer Research: Royal Cancer Hospital, Cancer Research Technology Limited
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Theresa Rachel Early, Adrian Liam Gill, Gary Trewartha, Alison Jo-Anne Woolford, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20100160324
    Abstract: The invention provides a compound of the formula (I): for use in medicine: or salts or tautomers or N-oxides or solvates thereof; wherein R1 is an optionally substituted heterocyclic group having from 3 to 12 ring members provided that the cyclic group joined to the pyrazole contains at least one heteroatom selected from N, O or S; A is a bond or —Y—(B)n—; B is C?O, NRg(C?O) or O(C?O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; n is 0 or 1; Y is a bond or an alkylene chain of 1,2 or 3 carbon atoms in length; R2 is hydrogen; halogen; C1-4 alkoxy (e.g. methoxy); or a C1-4 hydrocarbyl group optionally substituted by halogen (e.g. fluorine), hydroxyl or C1-4 alkoxy (e.g. methoxy); R3 is selected from optionally substituted carbocyclic and heterocyclic groups having from 3 to 12 ring members or an optionally substituted C1-8 hydrocarbyl group; with the proviso that R1 is not formula (II): where X, R3? and R4? are defined in the claims.
    Type: Application
    Filed: December 30, 2005
    Publication date: June 24, 2010
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Valerio Berdini, Michael Alistair O'Brien, Maria Grazia Carr, Nicholas Gareth Morse Davies, Adrian Liam Gill, Eva Figueroa Navarro, Steven Howard, Gary Trewartha, Andrew James Woodhead, Alison Jo-Anne Woolford, Paul Graham Wyatt
  • Publication number: 20090318500
    Abstract: The invention provides the compound of formula (I) 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide in a substantially crystalline form, therapeutic uses thereof and pharmaceutical compositions containing the crystalline compound. The invention also provides novel pharmaceutical formulations containing 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid (1-methanesulphonyl-piperidin-4-yl)-amide and novel processes for preparing the compound.
    Type: Application
    Filed: May 4, 2007
    Publication date: December 24, 2009
    Applicant: Astex Therapeutics limited
    Inventors: Gary Trewartha, Eva Figueroa Navarro, David Charles Rees, Mladen Vinkovic, Andrew James Woodhead, Paul Graham Wyatt
  • Publication number: 20090012124
    Abstract: The invention provides an acid addition salt of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and crystals thereof, the salt being formed with an acid selected from methanesulphonic acid and acetic acid and mixtures thereof. Also provided are the novel uses of salts of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide, processes for the preparation of 4-(2,6-dichloro-benzoylamino)-1H-pyrazole-3-carboxylic acid piperidin-4-ylamide and its salts and novel chemical intermediates.
    Type: Application
    Filed: January 20, 2006
    Publication date: January 8, 2009
    Applicant: ASTEX THERAPEUTICS LIMITED
    Inventors: Paul Graham Wyatt, David Charles Rees, Mladen Vinkovic, Gary Trewartha