Patents by Inventor EISAI R&D MANAGEMENT CO., LTD.

EISAI R&D MANAGEMENT CO., LTD. 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: 20130211103
    Abstract: Disclosed herein are methods and intermediates useful in the preparation of macrolides, e.g., compounds of formula (IV) wherein R1-R12 are as defined herein.
    Type: Application
    Filed: January 3, 2013
    Publication date: August 15, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: EISAI R&D MANAGEMENT CO., LTD.
  • Publication number: 20130203740
    Abstract: The present invention relates to a fused aminodihydrothiazine derivative of formula (I): wherein X is hydrogen or fluorine; A is CH or N; Y is methyl, ethyl, monofluoromethyl, difluoromethyl, trifluoromethyl, difluoroethyl, methoxy, ethoxy, methoxymethyl or —C?N; and pharmaceutically acceptable salts thereof; which compound has an A? production inhibitory effect or a BACE1 inhibitory effect and is useful as a prophylactic or therapeutic agent for a neurodegenerative disease caused by A? and typified by Alzheimer-type dementia.
    Type: Application
    Filed: November 26, 2012
    Publication date: August 8, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: Eisai R&D Management Co., Ltd.
  • Publication number: 20130203741
    Abstract: A compound represented by the general formula: or a pharmaceutically acceptable salt thereof or a solvate thereof, wherein Ring A is a C6-14 aryl group or the like, L is —NReCO— or the like (wherein Re is a hydrogen atom or the like), Ring B is a C6-14 aryl group or the like, X is a C1-3 alkylene group or the like, Y is a single bond or the like, Z is a C1-3 alkylene group or the like, R1 and R2 are each independently a hydrogen atom or the like, and R3, R4, R5 and R6 are independently a hydrogen atom, a halogen atom or the like, has an A? production inhibitory effect or a BACE1 inhibitory effect and is useful as a prophylactic or therapeutic agent for a neurodegenerative disease caused by A? and typified by Alzheimer-type dementia.
    Type: Application
    Filed: March 14, 2013
    Publication date: August 8, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: EISAI R&D MANAGEMENT CO., LTD.
  • Publication number: 20130197244
    Abstract: Provided are compounds and methods useful for the preparation of compounds useful as inhibitors of beta-site amyloid precursor protein (APP)-cleaving enzyme.
    Type: Application
    Filed: March 12, 2013
    Publication date: August 1, 2013
    Applicant: Eisai R&D Management Co., Ltd.
    Inventor: Eisai R&D Management Co., Ltd.
  • Publication number: 20130197045
    Abstract: A compound represented by formula (1-1) or (1-2), or a pharmacologically acceptable salt thereof retains the principal therapeutic effect of sitaxentan and has an improved CYP inhibitory effect: wherein R1 is a halogen atom, etc., R2 is a methyl group, etc., R3 is a C1-6 alkyl group, etc., and M is a group represented by: etc.
    Type: Application
    Filed: January 29, 2013
    Publication date: August 1, 2013
    Applicant: Eisai R&D Management Co., Ltd.
    Inventor: Eisai R&D Management Co., Ltd.
  • Publication number: 20130197033
    Abstract: A compound represented by Formula (1), or a pharmacologically acceptable salt thereof retains the principal therapeutic effect of paroxetine and has an improved CYP inhibitory effect: wherein R1 is a hydrogen atom or C1-6 alkyl group.
    Type: Application
    Filed: January 29, 2013
    Publication date: August 1, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: EISAI R&D MANAGEMENT CO., LTD.
  • Publication number: 20130183299
    Abstract: Described herein are antibodies, and antigen-binding fragments thereof, that are specific for folate receptor alpha, related polynucleotides, expression vectors, and cells that express the described antibodies. Also provided are methods of using the described antibodies, and antigen-binding fragments thereof, and related kits. Provided herein are also methods for diagnosing cancers, such as breast cancer, thyroid cancer, colorectal cancer, endometrial cancer, fallopian tube cancer, ovarian cancer, or lung cancer, using the described antibodies, and antigen-binding fragments thereof. The methods involve determining the amount of folate receptor alpha in a sample derived from a subject and comparing this level with the level of folate receptor alpha in a control sample or reference sample.
    Type: Application
    Filed: March 13, 2013
    Publication date: July 18, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: EISAI R&D MANAGEMENT CO., LTD.
  • Publication number: 20130143907
    Abstract: A compound and/or pharmacologically acceptable salt thereof represented by the formula (I) has PDE9 inhibitory action, so that the intracerebral cGMP concentration is anticipated to be elevated. The PDE9 inhibitory action and the increase in cGMP lead to the improvement of learning and memory behaviors, and the compound (I) has applicability as a therapeutic agent for cognitive dysfunctions in Alzheimer's disease. wherein R1 is a hydrogen atom; R2 is an aromatic ring group, etc.; R3 is a hydrogen atom, etc; R4 is a hydrogen atom; R5 is an oxepanyl group, etc.; R6 is a hydrogen atom.
    Type: Application
    Filed: October 4, 2012
    Publication date: June 6, 2013
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventor: Eisai R&D Management Co., Ltd.
  • Publication number: 20130123234
    Abstract: The present invention relates to aryl- or heteroaryl-substituted benzene compounds. The present invention also relates to pharmaceutical compositions containing these compounds and methods of treating cancer by administering these compounds and pharmaceutical compositions to subjects in need thereof. The present invention also relates to the use of such compounds for research or other non-therapeutic purposes.
    Type: Application
    Filed: December 20, 2012
    Publication date: May 16, 2013
    Applicants: EISAI R&D MANAGEMENT CO., LTD., EPIZYME, INC.
    Inventors: EPIZYME, INC., EISAI R&D MANAGEMENT CO., LTD.