Patents by Inventor Li-An Yeh

Li-An Yeh 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: 20210087163
    Abstract: This invention relates generally to compounds that are glucuronidase inhibitors. The glucuronidase inhibitors include phenoxy thiophene sulfonamides, and other compounds such as pyridine sulfonyls, benzene sulfonyls, thiophene sulfonyls, thiazole sulfonyls, thiophene carbonyls, and thiazole carbonyls. These compounds include nialamide, isocarboxazid, phenelzine, amoxapine, loxapine and mefloquine. Also compositions including one or more of such compounds for use in inhibiting glucuronidase and methods of using one or more of such compounds for selective inhibition of bacterial ?-glucoronidase. These compounds may be used as a co-drug in combination with the anticancer drug CPT-11. Also a method for screening compounds to determine their usefulness in reducing diarrhea associated with irinotecan chemotherapy.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 25, 2021
    Applicants: NORTH CAROLINA CENTRAL UNIVERSITY, THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
    Inventors: ALFRED L. WILLIAMS, JOHN E. SCOTT, LI-AN YEH, MATTHEW R. REDINBO
  • Patent number: 9617239
    Abstract: This invention relates generally to compounds that are glucuronidase inhibitors. Glucuronidase inhibitors described include phenoxy thiophene sulfonamides. Other compounds, for instance pyridine sulfonyls, benzene sulfonyls, thiophene sulfonyls, thiazole sulfonyls, thiophene carbonyls, and thiazole carbonyls, are also contemplated. Also contemplated are compositions including one or more of such compounds for use inhibiting glucuronidase and methods of using one or more of such compounds as a co-drug to be used in combination with the anticancer drug CPT-11.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: April 11, 2017
    Assignees: North Carolina Central University, The University of North Carolina at Chapel Hill
    Inventors: Alfred L. Williams, John Scott, Li-An Yeh, Matthew Robert Redinbo
  • Publication number: 20160237058
    Abstract: This invention relates generally to compounds that are glucuronidase inhibitors. The glucuronidase inhibitors include phenoxy thiophene sulfonamides, and other compounds such as pyridine sulfonyls, benzene sulfonyls, thiophene sulfonyls, thiazole sulfonyls, thiophene carbonyls, and thiazole carbonyls. These compounds include nialamide, isocarboxazid, phenelzine, amoxapine, loxapine and mefloquine. Also compositions including one or more of such compounds for use in inhibiting glucuronidase and methods of using one or more of such compounds for selective inhibition of bacterial ?-glucoronidase. These compounds may be used as a co-drug in combination with the anticancer drug CPT-11. Also a method for screening compounds to determine their usefulness in reducing diarrhea associated with irinotecan chemotherapy.
    Type: Application
    Filed: March 3, 2016
    Publication date: August 18, 2016
    Applicants: NORTH CAROLINA CENTRAL UNIVERSITY, THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
    Inventors: ALFRED L. WILLIAMS, JOHN E. SCOTT, LI-AN YEH, MATTHEW R. REDINBO
  • Publication number: 20130345196
    Abstract: This invention relates generally to compounds that are glucuronidase inhibitors. The glucuronidase inhibitors include phenoxy thiophene sulfonamides, and other compounds such as pyridine sulfonyls, benzene sulfonyls, thiophene sulfonyls, thiazole sulfonyls, thiophene carbonyls, and thiazole carbonyls. These compounds include nialamide, isocarboxazid, phenelzine, amoxapine, loxapine and mefloquine. Also compositions including one or more of such compounds for use in inhibiting glucuronidase and methods of using one or more of such compounds for selective inhibition of bacterial ?-glucuronidase. These compounds may be used as a co-drug in combination with the anticancer drug CPT-11. Also a method for screening compounds to determine their usefulness in reducing diarrhea associated with irinotecan chemotherapy.
    Type: Application
    Filed: May 24, 2012
    Publication date: December 26, 2013
    Inventors: Alfred L. WILLIAMS, John Scott, Li-An Yeh, Matthew Robert Redinbo
  • Publication number: 20130345235
    Abstract: This invention relates generally to compounds that are glucuronidase inhibitors. Glucuronidase inhibitors described include phenoxy thiophene sulfonamides. Other compounds, for instance pyridine sulfonyls, benzene sulfonyls, thiophene sulfonyls, thiazole sulfonyls, thiophene carbonyls, and thiazole carbonyls, are also contemplated. Also contemplated are compositions including one or more of such compounds for use inhibiting glucuronidase and methods of using one or more of such compounds as a co-drug to be used in combination with the anticancer drug CPT-11.
    Type: Application
    Filed: March 10, 2011
    Publication date: December 26, 2013
    Applicants: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, NORTH CAROLINA CENTRAL UNIVERSITY
    Inventors: Alfred L. Williams, John Scott, Li-An Yeh, Matthew Robert Redinbo
  • Patent number: 8557808
    Abstract: Compounds, compositions and methods are provided that comprise selective ?-glucuronidase inhibitors for both aerobic and anaerobic bacteria, especially enteric bacteria normally associated with the gastrointestinal tract. The compounds, compositions and methods can be for inhibiting bacterial ?-glucuronidases and for improving efficacy of camptothecin-derived antineoplastic agents or glucuronidase-substrate agents or compounds by attenuating the side effects caused by reactivation by bacterial ?-glucuronidases of glucuronidated metabolites of camptothecin-derived antineoplastic agents or glucuronidase-substrate agents or compounds.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: October 15, 2013
    Assignees: North Carolina Central University, The University of North Carolina at Chapel Hill, Albert Einstein College of Medicine of Yeshiva University
    Inventors: Matthew R. Redinbo, Sridhar Mani, Alfred Williams, John Scott, Li-An Yeh, Bret David Wallace, Kimberly Terry Lane
  • Publication number: 20120322797
    Abstract: Compounds, compositions and methods are provided that comprise selective ?-glucuronidase inhibitors for both aerobic and anaerobic bacteria, especially enteric bacteria normally associated with the gastrointestinal tract. The compounds, compositions and methods can be for inhibiting bacterial ?-glucuronidases and for improving efficacy of camptothecin-derived antineoplastic agents or glucuronidase-substrate agents or compounds by attenuating the side effects caused by reactivation by bacterial ?-glucuronidases of glucuronidated metabolites of camptothecin-derived antineoplastic agents or glucuronidase-substrate agents or compounds.
    Type: Application
    Filed: December 9, 2010
    Publication date: December 20, 2012
    Applicants: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, NORTH CAROLINA CENTRAL UNIVERSITY, ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
    Inventors: Matthew R. Redinbo, Sridhar Mani, Alfred Williams, John Scott, Li-An Yeh, Bret David Wallace, Kimberly Terry Lane
  • Patent number: 8119684
    Abstract: Compounds of formula (I), compositions, methods and kits are provided. The compounds and compositions may be particularly useful for modulating immunological responses. Formula (I) wherein, R1 is alkyl, aryl, or heterocyclyl; R2 is H, alkyl, aryl, heterocyclyl, OR3 or N(R3)2, R3 is H, alkyl, aryl, or heterocyclyl; R4 is H, CN, halogen, CF3, CO2R3, or C(O)N(R3)2; X is S, SO2, O, or NR3; and Y is S, O, or NR3.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: February 21, 2012
    Assignees: Dana-Farber Cancer Institute, Inc., The Brigham and Women's Hospital, Inc.
    Inventors: Li-An Yeh, Gregory D. Cuny, Melissa Call, Kai Wucherpfennig, Ross L. Stein
  • Publication number: 20100143404
    Abstract: Compounds of formula (I), compositions, methods and kits are provided. The compounds and compositions may be particularly useful for modulating immunological responses. Formula (I) wherein, R1 is alkyl, aryl, or heterocyclyl; R2 is H, alkyl, aryl, heterocyclyl, OR3 or N(R3)2, R3 is H, alkyl, aryl, or heterocyclyl; R4 is H, CN, halogen, CF3, CO2R3, or C(O)N(R3)2; X is S, SO2, O, or NR3; and Y is S, O, or NR3.
    Type: Application
    Filed: December 29, 2004
    Publication date: June 10, 2010
    Inventors: Li-An Yeh, Gregory D. Cuny, Melissa Call, Kai Wucherpfennig, Ross L. Stein
  • Publication number: 20060183759
    Abstract: The present invention provides novel compounds and methods useful for treating transglutaminase associated disorders such as celiac spru, Alzheimer's disease and Huntington's disease. Certain compounds of the invention are tissue transglutaminase inhibitors that comprise thiophene moieties. Methods of the invention include treatment of transglutaminase associated disorders with inhibitors of transglutaminase.
    Type: Application
    Filed: December 5, 2005
    Publication date: August 17, 2006
    Inventors: Ross Stein, April Case, Li-An Yeh, Gregory Cuny, Eric Duval
  • Patent number: 6187907
    Abstract: A template-ligand conjugate including (1) a template made of three cross-linked polypeptide chains, wherein the three polypeptide chains each contain tripeptide or hexapeptide repeat sequences aligned to form a triple helix coil; and (2) at least one biologically active ligand attached to the template via covalent bonding with one of the three polypeptide chains.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: February 13, 2001
    Inventors: James Chen, Li-An Yeh
  • Patent number: 5362743
    Abstract: Certain novel 3-acyl-4-amino-8-alkoxyquinoline compounds have been prepared, including their pharmaceutically-acceptable salts. These compounds are useful for inhibiting gastric acid secretion in mammals and therefore, are of value in therapy as anti-ulcer agents. They are also useful for treating osteoporosis in a mammalian subject afflicted with said condition. Methods for preparing these compounds from known starting materials are provided.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: November 8, 1994
    Assignee: Pfizer Inc.
    Inventors: Reinhard Sarges, Li-An Yeh