Patents by Inventor Eiji Sugaru

Eiji Sugaru 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: 20230255965
    Abstract: The present invention relates to a use of compounds having TRPV4 inhibitory activity or pharmaceutically acceptable salts thereof, or pharmaceutical compositions containing them for the manufacture of a medicament for preventing or treating a retinal disease accompanied with blood flow disorder or cell disorder. It also relates to a method for preventing or treating the disease, wherein the method comprises administering the compounds or the pharmaceutical compositions containing them to humans or animals. The compounds, the pharmaceutically acceptable salts thereof, or the pharmaceutical compositions containing them may be used in combination with one or more second active agents. The present invention relates to a pharmaceutical composition and a kit containing a compound having TRPV4 inhibitory activity or a pharmaceutically acceptable salt thereof, which is used for preventing or treating the disease.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 17, 2023
    Applicant: RaQualia Pharma Inc.
    Inventors: Kentaro OHARA, Shuzo WATANABE, Hideaki HARA, Masamitsu SHIMAZAWA, Eiji SUGARU
  • Patent number: 10898469
    Abstract: The present invention pertains to an imidazolylamide derivative represented by formula (1) that exhibits an exceptional suppressive effect on cancer cell sphere formation ability and that is useful as an antitumor agent that can be administered orally, or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: January 26, 2021
    Assignee: Sumitomo Dainippon Pharma Co., Ltd.
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Tsuguteru Otsubo, Eiji Sugaru, Hiroki Yamaguchi, Nobuyuki Sawada, Chiang Jia Li
  • Publication number: 20200268728
    Abstract: The present invention provides an anti-tumor agent comprising a compound of formula (1) or a pharmaceutically acceptable salt thereof, wherein ring Q1 is optionally-substituted C6-10 aryl, etc.; R1 and R2 are independently hydrogen atom, etc.; W1 is C1-4 alkylene which may be optionally substituted with 1 to 3 fluorine atoms or C3-7 cycloalkyl; W2 is —NR4aC(O)—, etc. wherein R4a is hydrogen atom or C1-6 alkyl; ring Q2 is optionally-substituted C6-10 aryl, etc., in combination with at least one agent selected from the group consisting of an anti-cancer agent, an anti-diabetic agent, an agent for treating dyslipidemia, an agent for treating multiple sclerosis, a steroidal anti-inflammatory agent, a non-steroidal anti-inflammatory agent, an anti-fungal agent, and a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 20, 2017
    Publication date: August 27, 2020
    Inventors: Yuichi Fukunaga, Erina Yamakawa, Eiji Sugaru, Satoshi Ikeda, Tsuguteru Otsubo, Hiroki Umehara, Chiang Jia Li
  • Publication number: 20200237711
    Abstract: The present disclosure provides pharmaceutical compositions, combinations, and uses thereof for treating and/or preventing cancer. For example, a pharmaceutical composition of the present disclosure can also include 2-acetylnaphtho[2,3-b]furan-4,9-dione, a prodrug thereof, a pharmaceutically acceptable salt of any of the foregoing, or a pharmaceutically acceptable solvate of any of the foregoing; and at least one excipient independently being a binder, a disintegrant, a lubricant, a surfactant, one other excipient, or a combination thereof. For example, a combination of the present disclosure can include 2-acetylnaphtho[2,3 b]furan-4,9-dione, a prodrug thereof, a pharmaceutically acceptable salt of any of the foregoing, or a pharmaceutically acceptable solvate of any of the foregoing; and at least one second agent independently being; a metabolic inhibitor, a transporter inhibitor, a NSAID, or a combination thereof.
    Type: Application
    Filed: September 27, 2019
    Publication date: July 30, 2020
    Inventors: Chiang Jia Li, Eiichiro Ogimura, Tetsuya Nakagawa, Eiji Sugaru, Nobuyuki Koike
  • Publication number: 20190060282
    Abstract: The present invention pertains to an imidazolylamide derivative represented by formula (1) that exhibits an exceptional suppressive effect on cancer cell sphere formation ability and that is useful as an antitumor agent that can be administered orally, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 28, 2019
    Inventors: Hitoshi Ban, Manabu Kusagi, Shingo Tojo, Tsuguteru Otsubo, Eiji Sugaru, Hiroki Yamaguchi, Nobuyuki Sawada, Chiang Jia Li
  • Publication number: 20050119174
    Abstract: The present invention provides an impaired glucose tolerance ameliorating drug and a therapeutic drug for lifestyle-related diseases, particular an antidiabetic drug, which contain a CXCR3 agonist as an active ingredient; a hypoglycemia ameliorating drug, a therapeutic drug for insulinoma or an anti-obesity drug containing a CXCR3 antagonist as an active ingredient; a method of screening for a new CXCR3 ligand using CXCR3 and a known CXCR3 ligand; a method of screening a CXCR3 ligand, which uses a co-expression system of CXCR3 and a coupling G protein; and a diagnostic method for type II diabetes, which includes detecting an amount of a CXCR3 ligand expressed in a biological sample.
    Type: Application
    Filed: April 3, 2003
    Publication date: June 2, 2005
    Applicant: Sumitomo Pharmaceuticals Co. Ltd.
    Inventors: Eiji Sugaru, Junji Ichihara, Mutsuo Taiji
  • Publication number: 20050019320
    Abstract: The present invention provides a novel therapeutic agent for a lifestyle-related disease or a cibophobia, which is superior in controlling food intake, and a screening method therefor. Specifically, a therapeutic agent for cibophobia comprising, as an active ingredient, a substance that suppresses expression or function of GPRC5D, GPCR expressed in hypothalamus, a therapeutic agent for a lifestyle-related disease comprising, as an active ingredient, a substance that enhances expression or function of the receptor, a screening system consisting of a series of coexpression systems of GPRC5D and various G proteins, and a screening method for a substance having a therapeutic activity against cibophobia or a lifestyle-related disease, which includes use of the screening system, are provided.
    Type: Application
    Filed: December 27, 2002
    Publication date: January 27, 2005
    Inventors: Eiji Sugaru, Mitsugu Yamanaka, Junji Ichihara, Mutsuo Taiji
  • Publication number: 20050014689
    Abstract: The present invention provides a novel therapeutic agent for a lifestyle-related disease or cibophobia, which is superior in controlling food intake, and a screening method therefor. More specifically, a therapeutic agent for a lifestyle-related disease containing, as an active ingredient, a substance that suppresses expression or function of GPCR that expresses in hypothalamus, clone 901, a therapeutic agent for cibophobia containing, as an active ingredient, a substance that enhances expression or function of the clone, a screening system consisting of a series of coexpression systems of clone 901 and various G proteins, and a screening method for a substance having a therapeutic activity against a lifestyle-related disease or cibophobia, which includes use of the screening system, are provided.
    Type: Application
    Filed: October 2, 2002
    Publication date: January 20, 2005
    Inventors: Eiji Sugaru, Atsushi Tsuchida