Patents by Inventor Takahiro JIKOH

Takahiro JIKOH 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: 20210205466
    Abstract: A therapeutic agent for HER2-mutated cancer comprising, as an active component, an anti-HER2 antibody-drug conjugate in which a drug-linker represented by the following formula (wherein A represents a connecting position to an anti-HER2 antibody) is conjugated to the antibody via a thioether bond and/or a method of treatment for cancer, comprising administering the anti-HER2 antibody-drug conjugate to a subject determined to have HER2-mutated cancer.
    Type: Application
    Filed: May 27, 2019
    Publication date: July 8, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Yoshihiko FUJISAKI, Yuta SATO, Yui SERIZAWA, Ryota SHIGA, Kaku SAITO, Takahiro JIKOH, Shinya TOKUHIRO
  • Publication number: 20190330368
    Abstract: As treatment effective for HER2-expressing cancer having resistance or refractoriness to an existing anti-HER2 drug, there are provided a therapeutic agent and a treatment method using an antibody-drug conjugate in which a linker and a drug represented by the formula: -(Succinimid-3-yl-N)—CH2CH2CH2CH2CH2—C(?O)-GGFG-NH—CH2—O—CH2—C(?O)—(NH-DX) are conjugated to an anti-HER2 antibody.
    Type: Application
    Filed: October 5, 2017
    Publication date: October 31, 2019
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Takahiro JIKOH, Yusuke OGITANI, Kazutaka YOSHIHARA, Seiko ENDO, Yoshihiko FUJISAKI