Patents by Inventor Liuhong Chen
Liuhong Chen 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).
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Publication number: 20220054646Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of prostrate-specific membrane antigen (PSMA).The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by PSMA.Type: ApplicationFiled: December 13, 2019Publication date: February 24, 2022Inventors: Liuhong CHEN, Catherine STACE, Daniel TEUFEL, Punit UPADHYAYA, Edward WALKER
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Publication number: 20220024982Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of membrane type 1 metalloprotease (MT1-MMP). The invention also describes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups which have utility in imaging and targeted cancer therapy.Type: ApplicationFiled: December 13, 2019Publication date: January 27, 2022Inventors: Liuhong CHEN, Euan RICHARDS, Rachid LANI, Gemma MUDD, Catherine STACE, Daniel TEUFEL, Edward WALKER
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Publication number: 20220024983Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of IL-17. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by IL-17.Type: ApplicationFiled: December 13, 2019Publication date: January 27, 2022Inventors: Liuhong CHEN, Rachid LANI, Gemma MUDD, Daniel TEUFEL, Edward WALKER
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Publication number: 20220008545Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of fibroblast activation protein a (FAP?). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by FAP?.Type: ApplicationFiled: December 13, 2019Publication date: January 13, 2022Inventors: Liuhong CHEN, Catherine STACE, Edward WALKER
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Patent number: 11180531Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.Type: GrantFiled: June 20, 2019Date of Patent: November 23, 2021Assignee: BicycleTx LimitedInventors: Paul Beswick, Liuhong Chen, Gemma Mudd, Peter Park, Katerine Van Rietschoten, Michael Rigby
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Publication number: 20210269480Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4.The invention also includes drug conjugates comprising said peptides,conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.Type: ApplicationFiled: June 21, 2019Publication date: September 2, 2021Inventors: Paul BESWICK, Liuhong CHEN, Gemma Elizabeth MUDD, Peter PARK, Katerine VAN RIETSCHOTEN, Michael RIGBY
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Publication number: 20210207127Abstract: The present invention provides methods of selecting a target for a ligand, wherein said ligand comprises a polypeptide comprising at least three reactive groups, separated by at least two loop sequences, and a molecular scaffold which forms covalent bonds with the reactive groups of the polypeptide such that at least two polypeptide loops are formed on the molecular scaffold. The present invention also provides said targets, said ligands and methods for using and manufacturing such.Type: ApplicationFiled: May 29, 2019Publication date: July 8, 2021Inventors: Liuhong CHEN, Christophe BONNY
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Publication number: 20210101932Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of PD-L1. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by PD-L1.Type: ApplicationFiled: December 23, 2019Publication date: April 8, 2021Inventors: Liuhong CHEN, James COOKE, Kevin MCDONNELL, Gemma MUDD, Katerine VAN RIETSCHOTEN, Punit UPADHYAYA
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Publication number: 20210101933Abstract: The present invention relates to multimers of polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. The invention also describes the multimerization of polypeptides through various chemical linkers and hinges of various lengths and rigidity using different sites of attachments within polypeptides. In particular, the invention describes multimers of peptides which are high affinity binders and activators of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.Type: ApplicationFiled: October 26, 2020Publication date: April 8, 2021Inventors: Liuhong CHEN, Rachid LANI, Kevin MCDONNELL, Gemma MUDD, Peter U. PARK, Punit UPADHYAYA
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Publication number: 20200407709Abstract: The invention relates to a method for screening a library of peptide ligands, said library comprising a plurality of polypeptides covalently linked to a molecular scaffold at two or more amino acid residues, comprising the steps of displaying said library of peptide ligands in a genetic display system, wherein the polypeptide comprises two or more reactive groups which form a covalent linkage to the molecular scaffold, and at least one loop which comprises a sequence of amino acids subtended between two of said reactive groups; exposing the peptide ligands to one or more cells which display one or more target molecules on the cell surface; and screening the peptide ligands for binding against the target, and selecting the ligands which bind to the target.Type: ApplicationFiled: April 24, 2018Publication date: December 31, 2020Inventors: Liuhong Chen, Michael Skynner, Amy Brown, James Cooke, Rachid Lani
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Patent number: 10875894Abstract: The present invention relates to multimers of polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. The invention also describes the multimerization of polypeptides through various chemical linkers and hinges of various lengths and rigidity using different sites of attachments within polypeptides. In particular, the invention describes multimers of peptides which are high affinity binders and activators of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.Type: GrantFiled: February 22, 2019Date of Patent: December 29, 2020Assignee: BicycleTx LimitedInventors: Liuhong Chen, Rachid Lani, Kevin McDonnell, Gemma Elizabeth Mudd, Peter U. Park, Punit Upadhyaya
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Publication number: 20200354406Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which bind to OX40. The invention also relates to multimeric binding complexes of polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold that are functional agonists of OX40. The invention also includes drug conjugates comprising said peptides and complexes, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands, complexes and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by OX40.Type: ApplicationFiled: May 11, 2020Publication date: November 12, 2020Inventors: Tom Li STEPHEN, Kevin MCDONNELL, Nicholas KEEN, Liuhong CHEN, Helen HARRISON, Peter U. PARK, Michael SKYNNER, Harvey CHE
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Publication number: 20200338203Abstract: The present invention relates to polypeptides which are covalently bound to aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of the Eph receptor tyrosine kinase A2 (EphA2). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and dmg conjugates in preventing, suppressing or treating a disease or disorder characterised by overexpression of EphA2 in diseased tissue (such as a tumour).Type: ApplicationFiled: December 19, 2018Publication date: October 29, 2020Inventors: Liuhong CHEN, Silvia PAVAN, Catherine STACE, Daniel TEUFEL, Katerine VAN RIETSCHOTEN
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Publication number: 20200255477Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.Type: ApplicationFiled: August 3, 2018Publication date: August 13, 2020Inventors: Liuhong Chen, Rachid Lani, Kevin McDonnell, Gemma Mudd, Peter Park
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Publication number: 20190389906Abstract: The present invention relates to polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of Nectin-4. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by Nectin-4.Type: ApplicationFiled: June 20, 2019Publication date: December 26, 2019Inventors: Paul Beswick, Liuhong Chen, Gemma Mudd, Peter Park, Katerine Van Rietschoten, Michael Rigby
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Publication number: 20190263866Abstract: The present invention relates to multimers of polypeptides which are covalently bound to molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. The invention also describes the multimerization of polypeptides through various chemical linkers and hinges of various lengths and rigidity using different sites of attachments within polypeptides. In particular, the invention describes multimers of peptides which are high affinity binders and activators of CD137. The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder mediated by CD137.Type: ApplicationFiled: February 22, 2019Publication date: August 29, 2019Inventors: Liuhong Chen, Rachid Lani, Kevin McDonnell, Gemma Elizabeth Mudd, Peter U. Park, Punit Upadhyaya
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Publication number: 20190184025Abstract: The present invention relates to polypeptides which are covalently bound to non-aromatic molecular scaffolds such that two or more peptide loops are subtended between attachment points to the scaffold. In particular, the invention describes peptides which are high affinity binders of the Eph receptor tyrosine kinase A2 (EphA2). The invention also includes drug conjugates comprising said peptides, conjugated to one or more effector and/or functional groups, to pharmaceutical compositions comprising said peptide ligands and drug conjugates and to the use of said peptide ligands and drug conjugates in preventing, suppressing or treating a disease or disorder characterised by overexpression of EphA2 in diseased tissue (such as a tumour).Type: ApplicationFiled: December 14, 2018Publication date: June 20, 2019Inventors: Liuhong Chen, Philip Huxley, Silvia Pavan, Katerine Van Rietschoten