Patents by Inventor Kelvin Sham

Kelvin Sham 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).

  • Publication number: 20210154318
    Abstract: Methods of treating metabolic diseases and disorders using a composition comprising an antigen binding protein specific for the GIPR polypeptide conjugated to a GLP-1 receptor agonist are provided. In various embodiments the metabolic disease or disorder is type 2 diabetes, obesity, dyslipidemia, elevated glucose levels, elevated insulin levels and diabetic nephropathy. In certain embodiments the composition comprises an antibody or functional fragment thereof comprising a cysteine at one or more conjugation site(s) wherein the GLP-1 receptor agonist is conjugated to the antibody or functional fragment thereof through the side-chain of the cysteine residue.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 27, 2021
    Inventors: Yuan CHENG, Chawita NETIROJJANAKUL, Jerry Ryan HOLDER, Bin WU, James R. FALSEY, Bradley J. HERBERICH, Kelvin SHAM, Leslie P. MIRANDA, Shu-Chen LU, Murielle VENIENT-ELLISON, Shanaka STANISLAUS, Junming YIE, Jing XU
  • Patent number: 10905772
    Abstract: Methods of treating metabolic diseases and disorders using a composition comprising an antigen binding protein specific for the GIPR polypeptide conjugated to a GLP-1 receptor agonist are provided. In various embodiments the metabolic disease or disorder is type 2 diabetes, obesity, dyslipidemia, elevated glucose levels, elevated insulin levels and diabetic nephropathy. In certain embodiments the composition comprises an antibody or functional fragment thereof comprising a cysteine at one or more conjugation site(s) wherein the GLP-1 receptor agonist is conjugated to the antibody or functional fragment thereof through the side-chain of the cysteine residue.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: February 2, 2021
    Assignee: Amgen Inc.
    Inventors: Yuan Cheng, Chawita Netirojjanakul, Jerry Ryan Holder, Bin Wu, James R. Falsey, Bradley J. Herberich, Kelvin Sham, Leslie P. Miranda, Shu-Chen Lu, Murielle M. Veniant-Ellison, Shanaka Stanislaus, Junming Yie, Jing Xu
  • Patent number: 10344060
    Abstract: Disclosed is a composition of matter comprising an isolated polypeptide, which is a peripherally-restricted NaV1.7 inhibitor. In some disclosed embodiments, the isolated polypeptide is an inhibitor of NaV1.7. Other embodiments are conjugated embodiments of the inventive composition of matter and pharmaceutical compositions containing the inventive composition of matter. Isolated nucleic acids encoding some embodiments of inventive polypeptides and expression vectors, and recombinant host cells containing them are disclosed. A method of treating or preventing pain is also disclosed.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: July 9, 2019
    Assignee: AMGEN INC.
    Inventors: Justin K. Murray, Jerry Ryan Holder, Malgorzata Wanska, Christopher M. Tegley, James R. Falsey, Elizabeth M. Doherty, Leslie P. Miranda, Kaustav Biswas, Bin Wu, Kelvin Sham, Jason C. Long
  • Publication number: 20180311372
    Abstract: Methods of treating metabolic diseases and disorders using a composition comprising an antigen binding protein specific for the GIPR polypeptide conjugated to a GLP-1 receptor agonist are provided. In various embodiments the metabolic disease or disorder is type 2 diabetes, obesity, dyslipidemia, elevated glucose levels, elevated insulin levels and diabetic nephropathy. In certain embodiments the composition comprises an antibody or functional fragment thereof comprising a cysteine at one or more conjugation site(s) wherein the GLP-1 receptor agonist is conjugated to the antibody or functional fragment thereof through the side-chain of the cysteine residue.
    Type: Application
    Filed: January 16, 2018
    Publication date: November 1, 2018
    Applicant: AMGEN INC.
    Inventors: Yuan CHENG, Chawita NETIROJJANAKUL, Jerry Ryan HOLDER, Bin WU, James R. FALSEY, Bradley J. HERBERICH, Kelvin SHAM, Leslie P. MIRANDA, Shu-Chen LU, Murielle VENIANT-ELLISON, Shanaka STANISLAUS, Junming YIE, Jing XU
  • Patent number: 9777019
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: October 3, 2017
    Assignee: Amgen Inc.
    Inventors: Ryan White, Yuan Cheng, Ana Elena Minatti, Bryant Yang, Xiao Mei Zheng, Patricia Lopez, Jason B. Human, Oleg Epstein, Ted Judd, Kelvin Sham, Qiufen Xue
  • Patent number: 9725469
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: August 8, 2017
    Assignee: Amgen, Inc.
    Inventors: Ryan White, Oleg Epstein, Jason B. Human, Xiao Mei Zheng, Yuan Cheng, Kelvin Sham, Qingyian Liu, Ning Chen
  • Patent number: 9611261
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: April 4, 2017
    Assignee: Amgen Inc.
    Inventors: Ana Elena Minatti, Jonathan D. Low, Jennifer R. Allen, Albert Amegadzie, James Brown, Michael J. Frohn, Angel Guzman-Perez, Paul E. Harrington, Patricia Lopez, Vu Van Ma, Nobuko Nishimura, Wenyuan Qian, Shannon Rumfelt, Robert M. Rzasa, Kelvin Sham, Adrian L. Smith, Ryan White, Qiufen Xue
  • Publication number: 20160280695
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Application
    Filed: November 4, 2015
    Publication date: September 29, 2016
    Applicant: AMGEN INC.
    Inventors: Ana Elena MINATTI, Jonathan D. LOW, Jennifer R. ALLEN, Albert AMEGADZIE, James BROWN, Michael J. FROHN, Angel GUZMAN-PEREZ, Paul E. HARRINGTON, Patricia LOPEZ, Vu Van MA, Nobuko NISHIMURA, Wenyuan QIAN, Shannon RUMFELT, Robert M. RZASA, Kelvin SHAM, Adrian L. SMITH, Ryan WHITE, Qiufen XUE
  • Publication number: 20160159818
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Application
    Filed: February 11, 2016
    Publication date: June 9, 2016
    Applicant: AMGEN INC.
    Inventors: Ryan WHITE, Yuan CHENG, Ana Elena MINATTI, Bryant YANG, Xiao Mei ZHENG, Patricia LOPEZ, Jason B. HUMAN, Oleg EPSTEIN, Ted JUDD, Kelvin SHAM, Qiufen XUE
  • Patent number: 9296759
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: March 29, 2016
    Assignee: Amgen Inc.
    Inventors: Ryan White, Yuan Cheng, Ana Elena Minatti, Bryant Yang, Xiao Mei Zheng, Patricia Lopez, Jason B. Human, Oleg Epstein, Ted Judd, Kelvin Sham, Qiufen Xue
  • Publication number: 20160024159
    Abstract: Disclosed is a composition of matter comprising an isolated polypeptide, which is a peripherally-restricted NaV1.7 inhibitor. In some disclosed embodiments, the isolated polypeptide is an inhibitor of NaV1.7. Other embodiments are conjugated embodiments of the inventive composition of matter and pharmaceutical compositions containing the inventive composition of matter. Isolated nucleic acids encoding some embodiments of inventive polypeptides and expression vectors, and recombinant host cells containing them are disclosed. A method of treating or preventing pain is also disclosed.
    Type: Application
    Filed: March 12, 2014
    Publication date: January 28, 2016
    Applicant: AMGEN INC.
    Inventors: Justin K. MURRAY, Jerry Ryan HOLDER, Malgorzata WANSKA, Christopher M. TEGLEY, James R. FALSEY, Elizabeth M. DOHERTY, Leslie P. MIRANDA, Kaustav BISWAS, Bin WU, Kelvin SHAM, Jason C. LONG
  • Publication number: 20150307521
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Application
    Filed: November 12, 2013
    Publication date: October 29, 2015
    Inventors: Ryan WHITE, Oleg EPSTEIN, Jason B. HUMAN, Xiao Mei ZHENG, Yuan CHENG, Kelvin SHAM, Qingyian Liu, Ning CHEN
  • Publication number: 20150252011
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Application
    Filed: April 21, 2015
    Publication date: September 10, 2015
    Inventors: Ana Elena Minatti, Jonathan D. LOW, Jennifer R. ALLEN, Albert AMEGADZIE, James BROWN, Michael J. FROHN, Angel GUZMAN-PEREZ, Paul E. HARRINGTON, Patricia LOPEZ, Vu Van MA, Nobuko NISHIMURA, Wenyuan QIAN, Shannon RUMFELT, Robert M. RZASA, Kelvin SHAM, Adrian L. SMITH, Ryan WHITE, Qiufen XUE
  • Patent number: 9085576
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: July 21, 2015
    Assignee: AMGEN INC.
    Inventors: Ana Elena Minatti, Jonathan D. Low, Jennifer R. Allen, Albert Amegadzie, James Brown, Michael J. Frohn, Angel Guzman-Perez, Paul E. Harrington, Patricia Lopez, Vu Van Ma, Nobuko Nishimura, Wenyuan Qian, Shannon Rumfelt, Robert M. Rzasa, Kelvin Sham, Adrian L. Smith, Ryan White, Qiufen Xue
  • Patent number: 8952009
    Abstract: Chroman compounds and derivatives of Formula I are useful inhibitors of TRPM8. Such compounds are useful in treating a number of TRPM8 mediated disorders and conditions and may be used to prepare medicaments and pharmaceutical compositions useful for treating such disorders and conditions. Examples of such disorders include, but are not limited to, migraines and neuropathic pain. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: February 10, 2015
    Assignee: Amgen Inc.
    Inventors: Kaustav Biswas, Jian J. Chen, Vijay Keshav Gore, Scott Harried, Daniel B. Horne, Matthew R. Kaller, Vu Van Ma, Kelvin Sham, Wenge Zhong
  • Publication number: 20150031668
    Abstract: Chroman compounds and derivatives of Formula I are useful inhibitors of TRPM8. Such compounds are useful in treating a number of TRPM8 mediated disorders and conditions and may be used to prepare medicaments and pharmaceutical compositions useful for treating such disorders and conditions. Examples of such disorders include, but are not limited to, migraines and neuropathic pain. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 29, 2015
    Inventors: Kaustav Biswas, Jian J. Chen, Vijay Keshav Gore, Scott Harried, Daniel B. Horne, Matthew R. Kaller, Vu Van Ma, Kelvin Sham, James Brown, Wenge Zhong, Thomas T. Nguyen
  • Publication number: 20140296226
    Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, L, R2, R7, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.
    Type: Application
    Filed: September 21, 2012
    Publication date: October 2, 2014
    Inventors: Ryan White, Yuan Cheng, Ana Elena Minatti, Bryant Yang, Xiao Mei Zheng, Patricia Lopez, Jason B. Human, Oleg Epstein, Ted Judd, Kelvin Sham, Qiufen Xue
  • Publication number: 20140275058
    Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Inventors: Ana Elena MINATTI, Jonathan D. LOW, Jennifer R. ALLEN, Albert AMEGADZIE, James BROWN, Michael J. FROHN, Angel GUZMAN-PEREZ, Paul E. HARRINGTON, Patricia LOPEZ, Vu Van MA, Nobuko NISHIMURA, Wenyuan QIAN, Shannon RUMFELT, Robert M. RZASA, Kelvin SHAM, Adrian L. SMITH, Ryan WHITE, Qiufen XUE
  • Patent number: 8759532
    Abstract: Pyridine and pyrimidine compounds, and compositions containing them, and processes for preparing such compounds. Provided herein also are methods of treating disorders or diseases treatable by inhibition of PDE10, such as obesity, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: June 24, 2014
    Assignee: Amgen Inc.
    Inventors: Jennifer R. Allen, Kaustav Biswas, Frank Chavez, Jr., Ning Chen, Frenel Fils De Morin, James R. Falsey, Michael J. Frohn, Paul E. Harrington, Daniel B. Home, Essa Hu Harrington, Matthew R. Kaller, Roxanne K. Kunz, Holger Monenschein, Thomas T. Nguyen, Alexander J. Pickrell, Andreas Reichelt, Shannon Rumfelt, Robert M. Rzasa, Kelvin Sham, Guomin Yao
  • Publication number: 20140045855
    Abstract: Chroman compounds and derivatives of Formula I are useful inhibitors of TRPM8. Such compounds are useful in treating a number of TRPM8 mediated disorders and conditions and may be used to prepare medicaments and pharmaceutical compositions useful for treating such disorders and conditions. Examples of such disorders include, but are not limited to, migraines and neuropathic pain. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
    Type: Application
    Filed: August 2, 2013
    Publication date: February 13, 2014
    Applicant: AMGEN INC.
    Inventors: Kaustav BISWAS, Jian J. CHEN, Vijay Keshav GORE, Scott HARRIED, Daniel B. HORNE, Matthew R. KALLER, Vu Van MA, Kelvin SHAM, Wenge ZHONG