Patents Assigned to IOmet Pharma Ltd.
  • Publication number: 20220396577
    Abstract: Disclosed herein is a compound of formula (I), or a pharmaceutically acceptable salt thereof: (I). Also disclosed herein are uses of a compound disclosed herein in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder. Also disclosed herein are compositions comprising a compound disclosed herein. Further disclosed herein are uses of a composition in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder.
    Type: Application
    Filed: December 14, 2020
    Publication date: December 15, 2022
    Applicants: Merck Sharp & Dohme LLC, IOMET PHARMA LTD.
    Inventors: Yongxin Han, Yongqi Deng, David Jonathan Bennett, Philip M. Cowley, Alan Wise
  • Patent number: 11130738
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises formula (I) wherein X1, and X2 may be the same or different and each is independently selected from C, N, O and S; X3, X4, X5, and X6 may be the same or different and each is independently selected from C and N; each bond represented by a dotted line may be present or absent, provided that at least one such bond is present; R1, R2, R3, R4, R5 and R6 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that the number of R1, R2, R3, R4, R5 and R6 groups present is such that the respective valencies of X1, X2, X3, X4, X5, and X6 are maintained; and wherein at least one of R5 and R6 comprises a group Y, wherein Y is a group having a formula selected from (II), (III), (IV), (V), (VI), (VII) wherein L may be present or absent, and may be a substituted or unsub
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: September 28, 2021
    Assignee: IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Susan Davis, Michael Kiczun
  • Patent number: 11096930
    Abstract: Disclosed herein are substituted imidazopyridine compounds of formula (I) which are inhibitors of indoleamine 2,3-dioxygenase (IDO) and/or tryptophan-2,3-dioxygenase (TDO) enzymes: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: August 24, 2021
    Assignees: Merck Sharp & Dohme Corp., IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Meredeth Ann McGowan, Thomas J. Brown, Yongxin Han, Kun Liu, Qinglin Pu, Alan Wise, Hongjun Zhang, Hua Zhou
  • Patent number: 10858319
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula: wherein X1, X2, X3, X4, and X5 may be the same or different and each is independently selected from C, N and O; each atom having a dotted line may independently have a double bond or a single bond, provided that valencies at each atom are maintained; each R1, R2, R3, R4, and R7 may be present or absent and may be the same or different and is selected from H and a substituted or unsubstituted organic group, provided that the number of such R groups present is such that the valencies of X1, X2, X3, X4, and X5 are maintained; one or two R6 groups may be present and are selected from H and a substituted or unsubstituted organic group, provided that the number of R6 groups present is such that the valency of the carbon atom to which they are attached is maintained, and provided that at least one R6 is an organic group comprising an atom doub
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 8, 2020
    Assignee: IOMet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Michael Kiczun, Susan Davis
  • Publication number: 20200230117
    Abstract: Disclosed herein are substituted imidazopyridine compounds of formula (I) which are inhibitors of indoleamine 2,3-dioxygenase (IDO) and/or tryptophan-2,3-dioxygenase (TDO) enzymes: (I). Also disclosed herein are uses of the compounds in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder. Also disclosed herein are compositions comprising these compounds. Further disclosed herein are uses of the compositions in the potential treatment or prevention of an IDO- and/or TDO-associated disease or disorder.
    Type: Application
    Filed: April 24, 2017
    Publication date: July 23, 2020
    Applicants: IOMet Pharma Ltd., Merck Sharp & Dohme Corp.
    Inventors: Phillip M. Cowley, Meredeth Ann McGowan, Thomas J. Brown, Yongxin Han, Kun Liu, Qinglin Pu, Alan Wise, Hongjun Zhang, Hua Zhou
  • Publication number: 20200172492
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises formula (I) wherein X1, and X2 may be the same or different and each is independently selected from C, N, O and S; X3, X4, X5, and X6 may be the same or different and each is independently selected from C and N; each bond represented by a dotted line may be present or absent, provided that at least one such bond is present; R1, R2, R3, R4, R5 and R6 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that the number of R1, R2, R3, R4, R5 and R6 groups present is such that the respective valencies of X1, X2, X3, X4, X5, and X6 are maintained; and wherein at least one of R5 and R6 comprises a group Y, wherein Y is a group having a formula selected from (II), (III), (IV), (V), (VI), (VII) wherein L may be present or absent, and may be a substituted or unsub
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Applicant: IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Susan Davis, Michael Kiczun
  • Patent number: 10501458
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the general formula (I) detailed within.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 10, 2019
    Assignees: Iomet Pharma Ltd., Merck Sharp & Dohme Corp.
    Inventors: Phillip M. Cowley, Alan Wise, Thomas J. Brown, Meredeth A. McGowan, Hua Zhou, Yongxin Han
  • Patent number: 10336731
    Abstract: Provided is a compound having formula (I): wherein R2 is selected from —C1, —Br and —CN; R1 and R4 are independently selected from H and —F; R631, R632, R641 and R642 are independently selected from —H, —F and substituted or unsubstituted C1-C3 alkyl groups; and R651 and R652 are independently selected from H and substituted or unsubstituted C1-C3 alkyl groups and substituted or unsubstituted phenyl groups; and wherein at least one of R631, R632, R641, R642 and R652 is not —H, or wherein when all of R631, R632, R641, R642 and R652 are —H, R651 is not Me or Et.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: July 2, 2019
    Assignees: Merck Sharp & Dohme Corp., Iomet Pharma Ltd.
    Inventors: Phillip M. Cowley, Yongxin Han
  • Patent number: 10287252
    Abstract: Provided is a compound for use in medicine for inhibiting tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO), which compound comprises formula (I) wherein X1, X2, and X7, may be the same or different and each is independently selected from C and N; X3, X4, X5, and X6 may be the same or different and each is independently selected from C, N, O and S wherein when X3 is N it has a double bond and wherein when X6 is N it has a double bond; the dotted line is a bond which may be present or absent; R1, R2, R3, R4, R5, R6, and R7 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that at least one of R2, R3, R4 and R6 comprises a group Y; and provided that the number of R1, R2, R3, R4, R5, R6, and R7 groups present is such that the respective valencies of X1, X2, X3, X4, X5, X6, and X7 are maintained; and wherein Y is a group having a formula selected from (II), (III), (IV), (V) wherein
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: May 14, 2019
    Assignee: IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Susan Davis, Margaret Huggett, Michael Kiczun
  • Publication number: 20190084933
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula: wherein X1, X2, X3, X4, and X5 may be the same or different and each is independently selected from C, N and O; each atom having a dotted line may independently have a double bond or a single bond, provided that valencies at each atom arc maintained; each R1, R2, R3, R4, and R7 may be present or absent and may be the same or different and is selected from H and a substituted or unsubstituted organic group, provided that the number of such R groups present is such that the valencies of X1, X2, X3, X4, and X5 are maintained; one or two R6 groups may be present and are selected from H and a substituted or unsubstituted organic group, provided that the number of R6 groups present is such that the valency of the carbon atom to which they are attached is maintained, and provided that at least one R6 is an organic group comprising an atom doub
    Type: Application
    Filed: November 14, 2018
    Publication date: March 21, 2019
    Applicant: IOMet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Michael Kiczun, Susan Davis
  • Patent number: 10167257
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula: wherein X1, X2, X3, X4, and X5 may be the same or different and each is independently selected from C, N and O; each atom having a dotted line may independently have a double bond or a single bond, provided that valencies at each atom are maintained; each R1, R2, R3, R4, R5, and R7 may be present or absent and may be the same or different and is selected from H and a substituted or unsubstituted organic group, provided that the number of such R groups present is such that the valencies of X1, X2, X3, X4, and X5 are maintained; one or two R6 groups may be present and are selected from H and a substituted or unsubstituted organic group, provided that the number of R6 groups present is such that the valency of the carbon atom to which they are attached is maintained, and provided that at least one R6 is an organic group comprising an atom
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: January 1, 2019
    Assignee: Iomet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Michael Kiczun, Susan Davis
  • Patent number: 10155972
    Abstract: Provided is a high-throughput coupled enzyme method of screening for a tryptophan-2,3-dioxygenase (TDO) inhibitor compound and/or an indoleamine-2,3-dioxygenase (IDO) inhibitor compound, which method comprises: (a) reacting tryptophan with isolated IDO and/or isolated TDO in the presence of a test compound to form N-formylkynurenine; (b) reacting N-formylkynurenine from step (a) with isolated kynurenine formamidase to form kynurenine; and (c) detecting the kynurenine produced in step (b) and determining whether the test compound is a TDO and/or an IDO inhibitor compound or not from the presence or absence or quantity of the detected kynurenine, wherein step (a) is conducted in the presence of a reducing system suitable for converting IDO and/or TDO from the Fe3+ to the Fe2+ state, and which does not prevent the formation of kynurenine in step (c).
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: December 18, 2018
    Assignee: Iomet Pharma Ltd.
    Inventors: Bill Hunter, Stuart McElroy, Alan Wise
  • Publication number: 20180354908
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises formula (I) wherein X1, and X2 may be the same or different and each is independently selected from C, N, O and S; X3, X4, X5, and X6 may be the same or different and each is independently selected from C and N; each bond represented by a dotted line may be present or absent, provided that at least one such bond is present; R1, R2, R3, R4, R5 and R6 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that the number of R1, R2, R3, R4, R5 and R6 groups present is such that the respective valencies of X1, X2, X3, X4, X5, and X6 are maintained; and wherein at least one of R5 and R6 comprises a group Y, wherein Y is a group having a formula selected from (II), (III), (IV), (V), (VI), (VII) wherein L may be present or absent, and may be a substituted or unsub
    Type: Application
    Filed: November 2, 2015
    Publication date: December 13, 2018
    Applicant: IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Susan Davis, Michael Kiczun
  • Publication number: 20180258075
    Abstract: Provided is a compound having formula (I): wherein R2 is selected from —C1, —Br and —CN; R1 and R4 are independently selected from H and —F; R631, R632, R641 and R642 are independently selected from —H, —F and substituted or unsubstituted C1-C3 alkyl groups; and R651 and R652 are independently selected from H and substituted or unsubstituted C1-C3 alkyl groups and substituted or unsubstituted phenyl groups; and wherein at least one of R631, R632, R641, R642 and R652 is not —H, or wherein when all of R631, R632, R641, R642 and R652 are —H, R651 is not Me or Et.
    Type: Application
    Filed: September 12, 2016
    Publication date: September 13, 2018
    Applicants: Merck Sharp & Dohme Corp., IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Yongxin Han
  • Patent number: 10047074
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula (I): wherein X1 is selected from C and N; X3 and X5 may be the same or different and each is independently selected from C, N, O and S; Y is selected from N and O; Z is selected from C, N and O; each bond represented by a dotted line may independently be a double bond or a single bond, provided that valencies at each ring atom are maintained and provided that the ring Q contains at least one double bond and provided that the atom N has a double bond; R3 and R5 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that the number of R3 groups present is such that the valency of X3 is maintained, and the number of R5 groups present is such that the valency of X5 is maintained; each R11 and R12 may be present or absent and may be the sam
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: August 14, 2018
    Assignees: Merck Sharp & Dohme Corp., Iomet Pharma LTD.
    Inventors: Phillip M. Cowley, Alan Wise, Margaret Huggett
  • Publication number: 20180186787
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the general formula (I) detailed within.
    Type: Application
    Filed: July 1, 2016
    Publication date: July 5, 2018
    Applicants: Merck Sharp & Dohme Corp., IOmet Pharma ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Thomas J. Brown, Meredeth A. McGowan, Hua Zhou, Yongxin Han
  • Patent number: 9931347
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula: wherein X2, X4, X10, and X11 may be the same or different and each is independently selected from C and N; X1, X3, X5, X6, X7, X8, and X9 may be the same or different and each is independently selected from C, N and O; each bond having a dotted line may independently be a double bond or a single bond, provided that valencies at each atom are maintained; the dotted lines joining X4 with the carbon atoms either side of X2 are single bonds, and are only present when X2 is absent, X3 is absent and X4 is C, and when these bonds are present the ring carbons on each side of X2 are not directly bonded to each other; each R1 may be present or absent and may be the same or different and is selected from H and a substituted or unsubstituted organic group, provided that the number of R1 groups present is such that the valency of X1 is maintaine
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: April 3, 2018
    Assignee: IOmet Pharma Ltd.
    Inventors: Phillip Martin Cowley, Alan Wise, Margaret Huggett
  • Publication number: 20180037553
    Abstract: Provided is a compound for use in medicine for inhibiting tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO), which compound comprises formula (I) wherein X1, X2, and X7, may be the same or different and each is independently selected from C and N; X3, X4, X5, and X6 may be the same or different and each is independently selected from C, N, O and S wherein when X3 is N it has a double bond and wherein when X6 is N it has a double bond; the dotted line is a bond which may be present or absent; R1, R2, R3, R4, R5, R6, and R7 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that at least one of R2, R3, R4 and R6 comprises a group Y; and provided that the number of R1, R2, R3, R4, R5, R6, and R7 groups present is such that the respective valencies of X1, X2, X3, X4, X5, X6, and X7 are maintained; and wherein Y is a group having a formula selected from (II), (III), (IV), (V) wherein
    Type: Application
    Filed: November 2, 2015
    Publication date: February 8, 2018
    Applicant: IOmet Pharma Ltd.
    Inventors: Phillip M. Cowley, Alan Wise, Susan Davis, Margaret Huggett, Michael Kiczun
  • Publication number: 20170267668
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula (I): wherein X1 is selected from C and N; X3 and X5 may be the same or different and each is independently selected from C, N, O and S; Y is selected from N and O; Z is selected from C, N and O; each bond represented by a dotted line may independently be a double bond or a single bond, provided that valencies at each ring atom are maintained and provided that the ring Q contains at least one double bond and provided that the atom N has a double bond; R3 and R5 may be present or absent and may be the same or different and each is independently selected from H and a substituted or unsubstituted organic group, provided that the number of R3 groups present is such that the valency of X3 is maintained, and the number of R5 groups present is such that the valency of X5 is maintained; each R11 and R12 may be present or absent and may be the sam
    Type: Application
    Filed: August 13, 2015
    Publication date: September 21, 2017
    Applicant: IOmet Pharma Ltd.
    Inventors: Phillip M. COWLEY, Alan WISE, Margaret Huggett
  • Publication number: 20170107178
    Abstract: Provided is a tryptophan-2,3-dioxygenase (TDO) and/or indoleamine-2,3-dioxygenase (IDO) inhibitor compound for use in medicine, which compound comprises the following formula: wherein X1, X2, X3, X4, and X5 may be the same or different and each is independently selected from C, N and O; each atom having a dotted line may independently have a double bond or a single bond, provided that valencies at each atom are maintained; each R1, R2, R3, R4, R5, and R7 may be present or absent and may be the same or different and is selected from H and a substituted or unsubstituted organic group, provided that the number of such R groups present is such that the valencies of X1, X2, X3, X4, and X5 are maintained; one or two R6 groups may be present and are selected from H and a substituted or unsubstituted organic group, provided that the number of R6 groups present is such that the valency of the carbon atom to which they are attached is maintained, and provided that at least one R6 is an organic group comprising an atom
    Type: Application
    Filed: March 19, 2015
    Publication date: April 20, 2017
    Applicant: IOMET PHARMA LTD.
    Inventors: Phillip M. COWLEY, Alan WISE, Michael KICZUN, Susan DAVIS