Patents by Inventor Fuqiang Ruan

Fuqiang Ruan 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: 20220106320
    Abstract: Provided are compounds of formula (I), (Ia), (Ib), and (Ic), and pharmaceutically and/or cosmeceutically acceptable salts thereof. Additionally provided are pharmaceutical and/or cosmeceutical compositions and formulations, comprising the compounds and/or salts thereof, therapeutic and/or cosmetic methods using same for modulating (e.g., inhibiting) CREB binding protein (CBP)/?-catenin mediated signaling in treating skin related diseases, conditions or disorders (e.g., dermatitis, psoriasis, scarring, alopecia, etc.) mediated by aberrant CBP/?-catenin signaling, and cosmetic methods for treating skin conditions (e.g., aging, etc.) mediated by aberrant CBP/?-catenin signaling.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 7, 2022
    Inventor: Fuqiang Ruan
  • Publication number: 20210332047
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Application
    Filed: November 24, 2020
    Publication date: October 28, 2021
    Inventors: Edward A. KESICKI, Kerry W. FOWLER, Danwen HUANG, Hua Chee OOI, Amy OLIVER, Kamal Deep PURI, Fuqiang RUAN, Jennifer TREIBERG
  • Publication number: 20210317123
    Abstract: Provided are compounds of formula (Ia), (Ib) and (IIa), and pharmaceutically acceptable salts thereof. Additionally provided are compositions and pharmaceutical compositions comprising the compounds, therapeutic methods using same for modulating (e.g., inhibiting) CREB binding protein (CBP)/?-catenin mediated signaling in treating a condition, disease or disorder (e.g., fibrosis, cancer, neurological conditions, metabolic disorders (e.g., diabetes, etc.), and skin conditions (dermatitis, psoriasis, scarring, alopecia, etc.) mediated by aberrant CBP/?-catenin signaling, and cosmetic methods for treating skin conditions (e.g., aging, etc.). Additionally, provided are methods for enhancing vaccine efficacy using the compounds and compositions. Further provided are methods for efficiently synthesizing a clinical grade drug, comprising use, in a penultimate, or last reaction step under GMP conditions, of an intermediate 2-propynyl-compound to form a clinical grade isoxazole derivative (e.g.
    Type: Application
    Filed: March 11, 2021
    Publication date: October 14, 2021
    Inventor: Fuqiang Ruan
  • Patent number: 10906907
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of preparing such compounds are also disclosed, including the preparation and use of the compound tert-butyl (S)-(1-(5-fluoro-4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)propyl)carbamate of formula (110) as a precursor to synthesize an exemplary compound disclosed in this application, (S)-2-(1-((9H-purin-6-yl)amino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 2, 2021
    Assignee: ICOS CORPORATION
    Inventors: Edward A. Kesicki, Kerry W. Fowler, Danwen Huang, Hua Chee Ooi, Amy Oliver, Kamal Deep Puri, Fuqiang Ruan, Jennifer A. Treiberg
  • Publication number: 20200017503
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Application
    Filed: May 21, 2019
    Publication date: January 16, 2020
    Inventors: Edward A. KESICKI, Kerry W. FOWLER, Danwen HUANG, Hua Chee OOI, Amy OLIVER, Kamal Deep PURI, Fuqiang RUAN, Jennifer A. TREIBERG
  • Patent number: 10442799
    Abstract: In recognition of the unmet need to develop novel therapeutic agents, the present invention discloses a novel class of heterocycles as dual inhibitors of BRD4 and class I PI3Ks. The compounds claimed herein could be used alone or in combination therapies for the effective treatment of a wide range of age-related diseases, including cancer. The present invention also provides methods for preparing compounds of the invention thereto.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: October 15, 2019
    Inventor: Fuqiang Ruan
  • Publication number: 20190308963
    Abstract: In recognition of the unmet need to develop novel therapeutic agents, the present invention discloses a novel class of heterocycles as dual inhibitors of BRD4 and class I PI3Ks. The compounds claimed herein could be used alone or in combination therapies for the effective treatment of a wide range of age-related diseases, including cancer. The present invention also provides methods for preparing compounds of the invention thereto.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 10, 2019
    Inventor: Fuqiang Ruan
  • Patent number: 10336756
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of preparing such compounds are also disclosed, including the use of (S)-2-(1-aminopropyl)-5-fluoro-3-phenylquinazolin-4(3H)-one as a precursor to synthesize an exemplary compound disclosed in this application, (S)-2-(1-((9H-purin-6-yl)amino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: July 2, 2019
    Assignee: ICOS CORPORATION
    Inventors: Edward A. Kesicki, Kerry W. Fowler, Danwen Huang, Hua Chee Ooi, Amy Oliver, Kamal Deep Puri, Fuqiang Ruan, Jennifer Treiberg
  • Patent number: 9637488
    Abstract: The present application discloses a novel class of heterocycles as class I PI3Ks inhibitors. The compounds claimed herein could be used alone or in combination therapies for the treatment of a wide range of disorders such as autoimmune, inflammatory and allergic diseases, asthma, COPD, parasitic infections, diabetes, and cancer.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: May 2, 2017
    Inventor: Fuqiang Ruan
  • Patent number: 9562113
    Abstract: Described are bifunctional NOTA-based derivatives capable of conjugating with alginate and with metal ions, as well as NOTA-alginate conjugates which can be labeled with stable or radioactive metal ions. Also described are conjugation methods of the bifunctional NOTA-based linker with alginate, and methods of using radiometal-labeled NOTA-alginate conjugates or other radio-labeled alginate conjugates as imaging reagents.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 7, 2017
    Assignee: Bellerophon BCM LLC
    Inventors: Fuqiang Ruan, Thomas L. Deckwerth, Martin D. Meglasson
  • Publication number: 20160222012
    Abstract: The present application discloses a novel class of heterocycles as class I PI3Ks inhibitors. The compounds claimed herein could be used alone or in combination therapies for the treatment of a wide range of disorders such as autoimmune, inflammatory and allergic diseases, asthma, COPD, parasitic infections, diabetes, and cancer.
    Type: Application
    Filed: January 27, 2016
    Publication date: August 4, 2016
    Inventor: Fuqiang Ruan
  • Publication number: 20160115252
    Abstract: Described are bifunctional NOTA-based derivatives capable of conjugating with alginate and with metal ions, as well as NOTA-alginate conjugates which can be labeled with stable or radioactive metal ions. Also described are conjugation methods of the bifunctional NOTA-based linker with alginate, and methods of using radiometal-labeled NOTA-alginate conjugates or other radio-labeled alginate conjugates as imaging reagents.
    Type: Application
    Filed: January 6, 2016
    Publication date: April 28, 2016
    Inventors: Fuqiang Ruan, Thomas L. Deckwerth, Martin D. Meglasson
  • Publication number: 20160075705
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Application
    Filed: August 13, 2015
    Publication date: March 17, 2016
    Inventors: Edward A. KESICKI, Kerry W. FOWLER, Danwen HUANG, Hua Chee OOI, Amy OLIVER, Kamal Deep PURI, Fuqiang RUAN, Jennifer TREIBERG
  • Patent number: 9260399
    Abstract: Described are bifunctional NOTA-based derivatives capable of conjugating with alginate and with metal ions, as well as NOTA-alginate conjugates which can be labeled with stable or radioactive metal ions. Also described are conjugation methods of the bifunctional NOTA-based linker with alginate, and methods of using radiometal-labeled NOTA-alginate conjugates or other radio-labeled alginate conjugates as imaging reagents.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: February 16, 2016
    Assignee: Bellerophon BCM LLC
    Inventors: Fuqiang Ruan, Thomas L. Deckwerth, Martin D. Meglasson
  • Patent number: 9149477
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: October 6, 2015
    Assignee: ICOS Corporation
    Inventors: Edward A. Kesicki, Kerry W. Fowler, Danwen Huang, Hua Chee Ooi, Amy Oliver, Kamal Deep Puri, Fuqiang Ruan, Jennifer Treiberg
  • Publication number: 20150133645
    Abstract: Described are bifunctional NOTA-based derivatives capable of conjugating with alginate and with metal ions, as well as NOTA-alginate conjugates which can be labeled with stable or radioactive metal ions. Also described are conjugation methods of the bifunctional NOTA-based linker with alginate, and methods of using radiometal-labeled NOTA-alginate conjugates or other radio-labeled alginate conjugates as imaging reagents.
    Type: Application
    Filed: January 22, 2015
    Publication date: May 14, 2015
    Inventors: Fuqiang Ruan, Thomas L. Deckwerth, Martin D. Meglasson
  • Patent number: 8993583
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: March 31, 2015
    Assignee: ICOS Corporation
    Inventors: Kerry W. Fowler, Danwen Huang, Edward A. Kesicki, Hua Chee Ooi, Amy Oliver, Fuqiang Ruan, Jennifer Treiberg, Kamal Deep Puri
  • Patent number: 8980901
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: March 17, 2015
    Assignee: Icos Corporation
    Inventors: Kerry W. Fowler, Danwen Huang, Edward A. Kesicki, Hua Chee Ooi, Amy Oliver, Fuqiang Ruan, Jennifer Treiberg, Kamal Deep Puri
  • Patent number: 8974766
    Abstract: Described are bifunctional NOTA-based derivatives capable of conjugating with alginate and with metal ions, as well as NOTA-alginate conjugates which can be labeled with stable or radioactive metal ions. Also described are conjugation methods of the bifunctional NOTA-based linker with alginate, and methods of using radiometal-labeled NOTA-alginate conjugates or other radio-labeled alginate conjugates as imaging reagents.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: March 10, 2015
    Assignee: Bellerophon BCM LLC
    Inventors: Fuqiang Ruan, Thomas L. Deckwerth, Martin D. Meglasson
  • Publication number: 20140378479
    Abstract: Compounds that inhibit PI3K? activity, including compounds that selectively inhibit PI3K? activity, are disclosed. Methods of inhibiting phosphatidylinositol 3-kinase delta isoform (PI3K?) activity, and methods of treating diseases, such as disorders of immunity and inflammation in which PI3K? plays a role in leukocyte function, using the compounds also are disclosed.
    Type: Application
    Filed: May 21, 2014
    Publication date: December 25, 2014
    Applicant: ICOS CORPORATION
    Inventors: Edward A. KESICKI, Kerry W. FOWLER, Danwen HUANG, Hua Chee OOI, Amy OLIVER, Kamal Deep PURI, Fuqiang RUAN, Jennifer TREIBERG