Patents by Inventor Keqiang Ye

Keqiang Ye 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).

  • Patent number: 11844846
    Abstract: This disclosure relates to styrylbenzothiazole derivatives for use as in vivo imaging agents for the diagnosis of Parkinson's disease (PD) or other degenerative disorders or conditions of the central nervous system. Early diagnosis is particularly advantageous as neuroprotective treatment can be applied to healthy neural cells to delay or even prevent the onset of debilitating clinical symptoms.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 19, 2023
    Assignee: EMORY UNIVERSITY
    Inventor: Keqiang Ye
  • Publication number: 20230046078
    Abstract: Provided herein are methods of using 4-oxo-2-phenyl-4H-chromene-7,8-diyl bis(methylcarbamate) and derivatives thereof for treating or preventing a bone disorder. The methods include administering to the subject an effective amount of a compound of Formula I or a pharmaceutical composition as described herein. The bone disorder can include, for example, osteoporosis. Also provided herein are methods of inhibiting asparagine endopeptidase (AEP) activity in a cell and methods of promoting bone growth, increasing bone density, or increasing bone strength in a subject. Novel mechanisms of action in treating and preventing bone disorders are provided herein.
    Type: Application
    Filed: July 15, 2022
    Publication date: February 16, 2023
    Applicant: EMORY UNIVERSITY
    Inventor: Keqiang Ye
  • Publication number: 20230046317
    Abstract: This disclosure relates to compounds that inhibit glutathione S-transferases (GSTs) and/or NAD(P)H:quinone oxidore-ductase 1 (NQO1) for uses in treating cancer. In certain embodiments, this disclosure relates to compositions and uses of N-(thia-zol-2-yl)-carboxamide derivatives such as a N-(5-nitrothiazol-2-yl)-carboxamide derivatives for treating cancer such as glioblastoma. In certain embodiments, this disclosure relates to pharmaceutical compositions comprising a N-(thiazol-2-yl)-carboxamide derivative such as a N-(5-nitrothiazol-2-yl)-carboxamide derivative which is a compound of formula (I), or derivative, prodrug or salt thereof and a pharmaceutically acceptable excipient, wherein X, R1, R2, and R3 substituents are reported herein.
    Type: Application
    Filed: January 21, 2021
    Publication date: February 16, 2023
    Inventor: Keqiang Ye
  • Publication number: 20220213087
    Abstract: This disclosure relates to asparagine endopeptidase inhibitors and compositions and uses related thereto. In certain embodiments, the asparagine endopeptidase inhibitors are useful for improving memory, treating or preventing cancer, neurodegenerative diseases, and cognitive disorders. In certain embodiments, the disclosure relates to pharmaceutical compositions comprising an asparagine endopeptidase inhibitor and a pharmaceutically acceptable excipient.
    Type: Application
    Filed: May 22, 2020
    Publication date: July 7, 2022
    Applicant: EMORY UNIVERSITY
    Inventor: Keqiang Ye
  • Publication number: 20210292335
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof.
    Type: Application
    Filed: August 7, 2019
    Publication date: September 23, 2021
    Inventor: Keqiang Ye
  • Publication number: 20210260224
    Abstract: This disclosure relates to styrylbenzothiazole derivatives for use as in vivo imaging agents for the diagnosis of Parkinson's disease (PD) or other degenerative disorders or conditions of the central nervous system. Early diagnosis is particularly advantageous as neuroprotective treatment can be applied to healthy neural cells to delay or even prevent the onset of debilitating clinical symptoms.
    Type: Application
    Filed: May 16, 2019
    Publication date: August 26, 2021
    Inventor: Keqiang Ye
  • Patent number: 10759803
    Abstract: This disclosure relates to asparagine endopeptidase inhibitors for managing cancer and compositions related thereto. In certain embodiments, the asparagine endopeptidase inhibitors are substituted 3,7-dihydropurine-2,6-dione derivatives useful for treating or preventing metastasis, tumor growth, and/or cancer. In certain embodiments, the disclosure relates to pharmaceutical compositions comprising an asparagine endopeptidase inhibitor and a pharmaceutically acceptable excipient. In certain embodiments, the disclosure relates to methods of treating a cancer comprising administering an effective amount of pharmaceutical composition a asparagine endopeptidase inhibitor disclosed herein to a subject in need thereof.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: September 1, 2020
    Assignee: Emory University
    Inventors: Keqiang Ye, Haian Fu, Yuhong Du
  • Patent number: 10596145
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: March 24, 2020
    Assignee: Emory University
    Inventor: Keqiang Ye
  • Patent number: 10526303
    Abstract: In certain embodiments, the disclosure relates to 7,8-dihydoxyflavone and 7,8-substituted flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as psychiatric disorders, depression, post-traumatic stress disorder, and autism spectrum disorders, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof. In certain embodiments, it is contemplated that the 7,8-substituted flavone derivatives disclosed herein are prodrugs of 7,8-dihydoxyflavone and analogs.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 7, 2020
    Assignee: Emory University
    Inventor: Keqiang Ye
  • Publication number: 20190160040
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 30, 2019
    Inventor: Keqiang Ye
  • Publication number: 20180280342
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein.
    Type: Application
    Filed: June 6, 2018
    Publication date: October 4, 2018
    Inventor: Keqiang Ye
  • Publication number: 20180186762
    Abstract: In certain embodiments, the disclosure relates to 7,8-dihydoxyflavone and 7,8-substituted flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as psychiatric disorders, depression, post-traumatic stress disorder, and autism spectrum disorders, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof. In certain embodiments, it is contemplated that the 7,8-substituted flavone derivatives disclosed herein are prodrugs of 7,8-dihydoxyflavone and analogs.
    Type: Application
    Filed: February 26, 2018
    Publication date: July 5, 2018
    Inventor: Keqiang Ye
  • Patent number: 10010526
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: July 3, 2018
    Assignee: Emory University
    Inventor: Keqiang Ye
  • Patent number: 9975868
    Abstract: In certain embodiments, the disclosure relates to 7,8-dihydoxyflavone and 7,8-substituted flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as psychiatric disorders, depression, post-traumatic stress disorder, and autism spectrum disorders, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof. In certain embodiments, it is contemplated that the 7,8-substituted flavone derivatives disclosed herein are prodrugs of 7,8-dihydoxyflavone and analogs.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: May 22, 2018
    Assignee: Emory University
    Inventor: Keqiang Ye
  • Patent number: 9895344
    Abstract: Novel compounds and methods related to the activation of the TrkB receptor are provided. The methods include administering in vivo or in vitro a therapeutically effective amount of 7,8-dihydroxyflavone or derivative thereof. Specifically, methods and compounds for the treatment of disorders including neurologic disorders, neuropsychiatric disorders, and metabolic disorders (e.g., obesity) are provided. For example, a first method is provided of treating or reducing the risk of depression, anxiety, or obesity in a subject, which includes selecting a subject with or at risk of developing depression, anxiety, or obesity, and administering to the subject a therapeutically effective amount of 7,8-dihydroxyflavone or a derivative thereof. A further method of promoting neuroprotection in a subject also is provided, which includes selecting a subject in need of neuroprotection, and administering to the subject a therapeutically effective amount of 7,8-dihydroxyflavone or a derivative thereof.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: February 20, 2018
    Assignee: EMORY UNIVERSITY
    Inventor: Keqiang Ye
  • Publication number: 20170305876
    Abstract: In certain embodiments, the disclosure relates to 7,8-dihydoxyflavone and 7,8-substituted flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as psychiatric disorders, depression, post-traumatic stress disorder, and autism spectrum disorders, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof. In certain embodiments, it is contemplated that the 7,8-substituted flavone derivatives disclosed herein are prodrugs of 7,8-dihydoxyflavone and analogs.
    Type: Application
    Filed: May 12, 2017
    Publication date: October 26, 2017
    Applicant: EMORY UNIVERSITY
    Inventor: Keqiang Ye
  • Publication number: 20170216319
    Abstract: Novel compounds and methods for activating the TrkB receptor are provided. The methods include administering in vivo or in vitro a therapeutically effective amount of a compound containing four six-membered rings and a substituted or unsubstituted C5 or C6 heteroaryl or heterocycloalkyl ring and pharmaceutically acceptable salts, prodrugs, and derivatives thereof. Specifically, methods and compounds for the treatment of disorders including neurologic, neuropsychiatric, and metabolic disorders are provided. For example, a method is provided of treating or reducing the risk of depression, anxiety, or obesity in a subject, which includes selecting a subject with or at risk of developing depression, anxiety, or obesity, and administering to the subject a therapeutically effective amount of the described compounds.
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Inventor: Keqiang Ye
  • Patent number: 9682948
    Abstract: In certain embodiments, the disclosure relates to 7,8-dihydoxyflavone and 7,8-substituted flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as psychiatric disorders, depression, post-traumatic stress disorder, and autism spectrum disorders, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein to a subject in need thereof. In certain embodiments, it is contemplated that the 7,8-substituted flavone derivatives disclosed herein are prodrugs of 7,8-dihydoxyflavone and analogs.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: June 20, 2017
    Assignee: Emory University
    Inventor: Keqiang Ye
  • Publication number: 20170165225
    Abstract: In certain embodiments, the disclosure relates to heterocyclic flavone derivatives, such as those described by formula provided herein, pharmaceutical compositions, and methods related thereto. In certain embodiments, the disclosure relates to methods of treating or preventing diseases or conditions related to BDNF and TrkB activity, such as depression, stroke, Rett syndrome, Parkinson's disease, and Alzheimer's disease by administering effective amounts of pharmaceutical compositions comprising compounds disclosed herein.
    Type: Application
    Filed: January 26, 2017
    Publication date: June 15, 2017
    Inventor: Keqiang Ye
  • Publication number: 20170166569
    Abstract: This disclosure relates to asparagine endopeptidase inhibitors for managing cancer and compositions related thereto. In certain embodiments, the asparagine endopeptidase inhibitors are substituted 3,7-dihydropurine-2,6-dione derivatives useful for treating or preventing metastasis, tumor growth, and/or cancer. In certain embodiments, the disclosure relates to pharmaceutical compositions comprising an asparagine endopeptidase inhibitor and a pharmaceutically acceptable excipient. In certain embodiments, the disclosure relates to methods of treating a cancer comprising administering an effective amount of pharmaceutical composition a asparagine endopeptidase inhibitor disclosed herein to a subject in need thereof.
    Type: Application
    Filed: April 8, 2015
    Publication date: June 15, 2017
    Applicant: Emory University
    Inventors: Keqiang Ye, Haian Fu, Yuhong Du