Patents Assigned to Karus Therapeutics Limited
  • Patent number: 11291669
    Abstract: The invention relates to a pharmaceutical composition comprising a combination of a compound of formula (I) or a pharmaceutically acceptable salt thereof, and at least one second agent selected from the group consisting of signal transduction pathway inhibitors, tumour immunotherapeutics, agents inhibiting the BCL2 family of proteins, agents inhibiting Mcl-1, proteasome Inhibitors, poly (ADP-ribose) polymerase (PARP) Inhibitors, aromatase inhibitors, conventional cytotoxic agents or a miscellaneous agent selected from abiraterone, ARN-509 and MYC inhibitors.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 5, 2022
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Andrew David Whale
  • Patent number: 10870624
    Abstract: The present invention is a compound of the formula or a pharmaceutically acceptable salt thereof. The compounds are useful as HDAC inhibitors.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: December 22, 2020
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Cyrille D. Tomassi, Alexander R. L. Cecil, Somhairle MacCormick, William J. Nodes, Franck A. Silva
  • Patent number: 10668077
    Abstract: The invention relates to a pharmaceutical composition comprising a combination of a compound of formula (I) or a pharmaceutically acceptable salt thereof, and at least one second agent selected from the group consisting of signal transduction pathway inhibitors, tumour immunotherapeutics, agents inhibiting the BCL2 family of proteins, agents inhibiting Mcl-1, proteasome Inhibitors, poly (ADP-ribose) polymerase (PARP) Inhibitors, aromatase inhibitors, conventional cytotoxic agents or a miscellaneous agent selected from abiraterone, ARN-509 and MYC inhibitors.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 2, 2020
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Andrew David Whale
  • Patent number: 10533003
    Abstract: The present invention is a compound having the following formula: or a pharmaceutically acceptable salt thereof, wherein e.g. L and Y are each independently an optionally substituted 6-membered nitrogen-containing heteroaryl; M is an optionally substituted 5- to 10-membered heteroaryl; W is a zinc-binding group; each R2 is independently hydrogen or C1-C6 alkyl; and R3 is an aryl or heteroaryl. The compounds are useful as histone deacetylase (HDAC) inhibitors.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: January 14, 2020
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Somhairle MacCormick, William John Nodes, Cyrille Davy Tomassi, Franck Alexandre Silva
  • Patent number: 10513530
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is LY; each L is a direct bond, C1-C10 alkylene, C2-C10 alkenylene or C2-C10 alkynylene; Y is an optionally substituted fused, bridged or spirocyclic non-aromatic 5-12 membered heterocycle containing up to 4 heteroatoms selected from N or O; and each R3 is independently H, C1-C10 alkyl, halogen, fluoro C1-C10 alkyl, O— C1-C10 alkyl, NH—C1-C10 alkyl, S—C1-C10 alkyl, O-fluoro C1-C10 alkyl, NH-acyl, NH—C(O)—NH—C1-C10 alkyl, C(O)—NH—C1-C10 alkyl, aryl or heteroaryl, are useful as inhibitors of the class IA phosphoinositide 3-kinase enzyme, PI3K-p110?, and therefore have potential utility in the therapy of cancer, immune and inflammatory diseases.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: December 24, 2019
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Franck Alexandre Silva
  • Patent number: 10501478
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is (LQ)mY; and each R3 is independently H, C1-C10alkyl, aryl or heteroaryl, are surprisingly found to be inhibitors of PI3K-p110?, and therefore have utility in therapy.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 10, 2019
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Thomas James Hill, Franck Alexandre Silva
  • Patent number: 10442815
    Abstract: The invention relates to a compound of formula I: or a pharmaceutically acceptable salt thereof and/or stereoisomers thereof. The compounds of the invention are useful in therapy.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 15, 2019
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Franck A. Silva, Alexander R. L. Cecil, Rikki P. Alexander, Alice E. Gatland, Daniel J. Finnemore
  • Patent number: 10407435
    Abstract: The present invention is a compound having the following formula: (Formula (I)) or a pharmaceutically acceptable salt thereof, wherein e.g. X is C or N; n is 1 to 10; each L is independently a 5- to 12-membered heteroaryl containing at least two nitrogen atoms; and W is a zinc-binding group. The compounds are useful as histone deacetylase (HDAC) inhibitors.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: September 10, 2019
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Somhairle MacCormick, William John Nodes, Cyrille Davy Tomassi
  • Patent number: 10377764
    Abstract: The invention relates to a compound of formula I: (I) or a pharmaceutically acceptable salt thereof, wherein each R3 is independently selected from H, halo, fluorinated C1-C10 alkyl, —I—C1-C10 alkyl, —NH—C1-C10 alkyl, —S—C1-C10 alkyl, —O-fluorinated C1-C10 alkyl, —NH-acyl, —NH—C(O)—NH-alkyl, —C—(O)—NH-alkyl, with the proviso that at least one of R3 is not H.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: August 13, 2019
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva, Alexander Richard Liam Cecil, Alice Elizabeth Gatland, Daniel John Finnemore
  • Patent number: 10150763
    Abstract: A compound of the formula:(I) or a pharmaceutically acceptable salt thereof, wherein: L is a 5-membered nitrogen-containing heteroaryl which is optionally fused to a benzene; Y is a 5, 6 or 7-membered nitrogen-containing heteroaryl, which is optionally fused to a benzene; and W is a zinc-binding group. The compounds are HDAC inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: December 11, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Cyrille D. Tomassi, Alexander R. Cecil, Somhairle MacCormick, William J. Nodes, Franck A. Silva
  • Patent number: 10035785
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 31, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Patent number: 9981987
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is LY; each L is a direct bond, C1-C10 alkylene, C2-C10 alkenylene or C2-C10 alkynylene; Y is an optionally substituted fused, bridged or spirocyclic non-aromatic 5-12 membered heterocycle containing up to 4 heteroatoms selected from N or O; and each R3 is independently H, C1-C10 alkyl, halogen, fluoro C1-C10 alkyl, O—C1-C10 alkyl, NH—C1-C10 alkyl, S—C1-C10 alkyl, O-fluoro C1-C10 alkyl, NH-acyl, NH—C(O)—NH—C1-C10 alkyl, C(O)—NH—C1-C10 alkyl, aryl or heteroaryl, are useful as inhibitors of the class IA phosphoinositide 3-kinase enzyme, PI3K-p110?, and therefore have potential utility in the therapy of cancer, immune and inflammatory diseases.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: May 29, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Franck Alexandre Silva
  • Patent number: 9938290
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is (LQ)mY; and each R3 is independently H, C1-C10 alkyl, aryl or heteroaryl, are surprisingly found to be inhibitors of PI3K-p110?, and therefore have utility in therapy.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: April 10, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Alexander R. Liam Cecil, Thomas J. Hill, Franck A. Silva
  • Patent number: 9862685
    Abstract: The present invention is a compound of the formula or a pharmaceutically acceptable salt thereof. The compounds are useful as HDAC inhibitors.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: January 9, 2018
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Cyrille D. Tomassi, Alexander R. L. Cecil, Somhairle MacCormick, William J. Nodes, Franck A. Silva
  • Patent number: 9676765
    Abstract: A compound of the formula: (I) or a pharmaceutically acceptable salt thereof, wherein: L is a 5-membered nitrogen-containing heteroaryl which is optionally fused to a benzene; Y is a 5, 6 or 7-membered nitrogen-containing heteroaryl, which is optionally fused to a benzene; and W is a zinc-binding group. The compounds are HDAC inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: June 13, 2017
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Cyrille D. Tomassi, Alexander R. Cecil, Somhairle Maccormick, William J. Nodes, Franck A. Silva
  • Patent number: 9663487
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt thereof, wherein: R1, R2, R3, R and R6 are each independently (LQ)mY; R4 is H, halogen, optionally substituted aryl or optionally substituted alkyl; and; each X is independently CR7 or N. The compounds are PI3K inhibitors and therefore have potential utility in therapy.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: May 30, 2017
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Patent number: 9580442
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N—(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is (LQ)mY; and each R3 is independently H, C1-C10 alkyl, aryl or heteroaryl, are surprisingly found to be inhibitors of PI3K-p110?, and therefore have utility in therapy.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: February 28, 2017
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen J. Shuttleworth, Alexander R. Liam Cecil, Thomas J. Hill, Franck A. Silva
  • Patent number: 9340503
    Abstract: Compounds of the invention are of the formula wherein: is a double bond and X is C; or is a single bond and X is N, CH or CQR1; and wherein: n is 1 to 10; R is H or QR1; each R? is independently selected from H and QR1; each Q is independently selected from a bond, CO, NH, S, SO, SO2 or O; each R1 is independently selected from C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, substituted or unsubstituted aryl or heteroaryl, acyl, C1-C10 cycloalkyl, halogen, C1-C10 alkylaryl or C1-C10 heterocycloalkyl; L is a nitrogen-containing heteroaryl; and W is a zinc-chelating residue; or a pharmaceutically acceptable salt thereof. The compounds are useful in therapy.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 17, 2016
    Assignee: Karus Therapeutics, Limited
    Inventors: Stephen Joseph Shuttleworth, Cyrille Davy Tomassi
  • Patent number: 9266879
    Abstract: Compounds of formulae (I) and (II): or a pharmaceutically acceptable salt thereof, wherein: R1 is a nitrogen-containing 5 to 7-membered heteroaryl or heterocycle; R2 and R3 are each independently (LQ)mY, are described. The compounds are PI3K inhibitors and are useful for the treatment of cancer and immune-inflammatory diseases.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: February 23, 2016
    Assignee: Karus Therapeutic Limited
    Inventors: Stephen Joseph Shuttleworth, Franck Alexandre Silva
  • Patent number: 9200007
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein: W is O, N—H, N-(C1-C10 alkyl) or S; each X is independently CH or N; R1 is a 5 to 7-membered saturated or unsaturated, optionally substituted heterocycle containing at least 1 heteroatom selected from N or O; R2 is (LQ)mY; and each R3 is independently H, C1-C10 alkyl, aryl or heteroaryl, are surprisingly found to be inhibitors of PI3K-p110?, and therefore have utility in therapy.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: December 1, 2015
    Assignee: Karus Therapeutics Limited
    Inventors: Stephen Joseph Shuttleworth, Alexander Richard Liam Cecil, Thomas James Hill, Franck Alexandre Silva