Patents Assigned to DAIICHI SANKYO COMPANY
  • Publication number: 20220040324
    Abstract: A pharmaceutical composition wherein an antibody-drug conjugate in which a drug-linker of the represented formula (wherein A represents a connecting position to an antibody) is conjugated to the antibody via a thioether bond and a kinase inhibitor (at least one selected from the group consisting of a CDK4/6 inhibitor, an mTOR inhibitor, a PI3K inhibitor, an AKT inhibitor, an ERK inhibitor, an MEK inhibitor, an RAF inhibitor, a CDK1 inhibitor, a CDK2 inhibitor, a CHK1 inhibitor, a WEE1 inhibitor, a PLK1 inhibitor, an Aurora kinase inhibitor, a Bcr-Abl inhibitor, an Src inhibitor, an EPH inhibitor, a VEGFR inhibitor, a KIT inhibitor, an RET inhibitor, a PDGFR inhibitor, an FGFR inhibitor, a BTK inhibitor, an FLT3 inhibitor, an ALK inhibitor, a JAK inhibitor, an MET inhibitor, a CSF-1R inhibitor, an NTRK inhibitor, an EGFR inhibitor, and an HER2 inhibitor) are administered in combination, and/or a method of treatment.
    Type: Application
    Filed: December 20, 2019
    Publication date: February 10, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Chiaki ISHII, Yasuki KAMAI, Kiyoshi SUGIHARA, Daisuke OKAJIMA, Yuuri HASHIMOTO, Hirokazu SUZUKI
  • Publication number: 20220041738
    Abstract: This application provides: an antibody which specifically binds to an ALK2 protein and has an activity of inhibiting BMP signal transduction mediated by ALK2; a method for producing the antibody; and a pharmaceutical composition comprising the antibody, for treating and/or preventing ectopic ossification and/or bone dysplasia, anemia, or diffuse intrinsic pontine glioma (DIPG).
    Type: Application
    Filed: October 26, 2021
    Publication date: February 10, 2022
    Applicants: Saitama Medical University, Daiichi Sankyo Company, Limited
    Inventors: Takenobu KATAGIRI, Kenji OSAWA, Sho TSUKAMOTO, Shinnosuke TSUJI, Yoshirou KAWAGUCHI, Kensuke NAKAMURA
  • Publication number: 20220031839
    Abstract: The present invention provides an immunity-inducing agent comprising, as an active component, a polynucleotide/peptide conjugate in which a single-chain polynucleotide or polynucleotide derivative comprising a CpG motif, and an antigenic peptide are bound via a spacer, wherein the spacer is covalently bound at one end thereof to the polynucleotide or polynucleotide derivative and covalently bound at the other end thereof to the antigenic peptide, as well as a pharmaceutical composition comprising said immunity-inducing agent.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 3, 2022
    Applicants: THE UNIVERSITY OF KITAKYUSHU, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Shinichi Mochizuki, Makoto Koizumi, Koji Morita
  • Patent number: 11236106
    Abstract: The present invention provides a compound or a pharmaceutically acceptable salt thereof having an inhibitory action on the interaction between menin and an MLL protein. The compound represented by the formula (1) or a pharmaceutically acceptable salt thereof. wherein, in the formula (1), the dotted circle, R1, R2, R3, R4, R5, R6, R7, R8, Ring Q1, W, m and n are each as defined in the description.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: February 1, 2022
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Kenji Yoshikawa, Noriyasu Haginoya, Tomoaki Hamada, Ryutaro Kanada, Jun Watanabe, Yoshiko Kagoshima, Eri Tokumaru, Kenji Murata, Takayuki Baba, Mayumi Kitagawa, Akiko Kurimoto, Masashi Numata, Machiko Shiroishi, Taeko Shinozaki
  • Publication number: 20220023436
    Abstract: A pharmaceutical composition, wherein an antibody-drug conjugate in which a drug-linker represented by the following formula (wherein A represents a connecting position to an antibody) is conjugated to the antibody via a thioether bond, and a PARP inhibitor are administered in combination, and/or a method of treatment, wherein the antibody-drug conjugate and a PARP inhibitor are administrated in combination to a subject.
    Type: Application
    Filed: December 10, 2019
    Publication date: January 27, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Yusuke OGITANI, Daisuke OKAJIMA, Yuuri HASHIMOTO, Hirokazu SUZUKI
  • Patent number: 11230709
    Abstract: The present invention aims at establishing a molecular therapy for Alport syndrome. The present invention provides an oligonucleotide of 15-30 bp comprising a nucleotide sequence complementary to the cDNA of COL4A5 gene, wherein the oligonucleotide is capable of inducing skipping of an exon which has a truncating mutation found in COL4A5 gene in Alport syndrome patients and whose nucleotide number is a multiple of 3, a pharmaceutically acceptable salt thereof, or a solvate thereof. Also provided is a pharmaceutical drug comprising the above oligonucleotide, a pharmaceutically acceptable salt thereof, or a solvate thereof (therapeutic drug for Alport syndrome).
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: January 25, 2022
    Assignees: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, DAIICHI SANKYO COMPANY LIMITED
    Inventors: Kazumoto Iijima, Kandai Nozu, Akemi Shono, Makoto Koizumi, Yoshiyuki Onishi, Kiyosumi Takaishi, Tomomi Adachi
  • Publication number: 20220016257
    Abstract: An object of the present invention is to provide an antibody specifically binding to CDH6 and having a high internalization activity, an antibody-drug conjugate comprising the antibody and a high antitumor activity, a pharmaceutical product having the antibody-drug conjugate and having a therapeutic effect on a tumor, a method for treating a tumor using the antibody, the antibody-drug conjugate or the pharmaceutical product, and the like. According to the present invention, it is possible to provide an anti-CDH6 antibody prepared having internalization activity, an anti-CDH6 antibody-drug conjugate prepared by connecting the anti-CDH6 antibody and a novel PBD derivative and exhibiting high anti-tumor activity, a pharmaceutical product and a therapeutic method for treating tumors using these.
    Type: Application
    Filed: November 13, 2019
    Publication date: January 20, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Atsuko SAITO, Naoya HARADA, Kozo YONEDA, Ichiro HAYAKAWA, Masaki MEGURO, Fuminao DOI
  • Publication number: 20220010026
    Abstract: The present invention relates to an antibody that binds to GARP and is useful as a therapeutic agent for a tumor, and a method for treating a tumor using the aforementioned antibody. It is an object of the present invention to provide an antibody, which inhibits the function of Treg in a tumor and is thereby used as a pharmaceutical product having therapeutic effects, a method for treating a tumor using the aforementioned antibody, and the like. An anti-GARP antibody that binds to GARP and exhibits inhibitory activity to Treg function and exhibits ADCC activity is obtained, and moreover a pharmaceutical composition for use in tumor therapy, comprising the aforementioned antibody, etc. is obtained.
    Type: Application
    Filed: June 28, 2021
    Publication date: January 13, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Kazuki SATOH, Kazuki HIRAHARA, Ichiro WATANABE, Masato AMANO
  • Publication number: 20220008549
    Abstract: Desired is development of novel CDN derivatives having STING agonist activity; and a therapeutic agents and/or therapeutic methods using the novel CDN derivatives for diseases associated with STING agonist activity. Further desired is development of a therapeutic agents and/or therapeutic methods capable of delivering the novel CDN derivatives specifically to targeted cells and organs for diseases associated with STING agonist activity. The present invention provides novel CDN derivatives having potent STING agonist activity, and antibody-CDN derivative conjugates including the novel CDN derivatives.
    Type: Application
    Filed: September 6, 2019
    Publication date: January 13, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Toshifumi TSUDA, Toshiki TABUCHI, Hideaki WATANABE, Hiroyuki KOBAYASHI, Masayuki ISHIZAKI, Kyoko HARA, Teiji WADA, Masami ARAI
  • Publication number: 20220002385
    Abstract: A method for improving blood kinetics of a peptide is provided. The method for improving blood kinetics of a peptide includes a step of preparing a peptide having a modified amino acid sequence.
    Type: Application
    Filed: November 6, 2019
    Publication date: January 6, 2022
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Hidenori Yano
  • Patent number: 11208403
    Abstract: The present disclosure provides novel compounds or salts thereof, or crystals of the compounds or the salts, which inhibit Axl and are useful in the treatment of a disease caused by hyperfunction of Axl, the treatment of a disease associated with hyperfunction of Axl, and/or the treatment of a disease involving hyperfunction of Axl.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: December 28, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Noriyasu Haginoya, Takashi Suzuki, Miho Hayakawa, Masahiro Ota, Tomoharu Tsukada, Katsuhiro Kobayashi, Yosuke Ando, Takeshi Jimbo, Koichi Nakamura
  • Patent number: 11208467
    Abstract: A novel peptide which comprises an amino acid sequence represented by SEQ ID NO: 23, and specifically inhibits the protease activity of a target molecule.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 28, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Daisuke Nishimiya, Masakazu Tamura
  • Patent number: 11208442
    Abstract: The present invention provides a novel endo-?-N-acetylglucosaminidase that is isolated from a fungus belonging to the genus Rhizomucor and is active under high-temperature conditions; various mutant enzymes thereof; genes encoding the enzymes; a recombinant plasmid; a transformant transformed with the plasmid; and the like.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: December 28, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Hanako Ito, Yasunori Ono, Kensuke Nakamura
  • Publication number: 20210393601
    Abstract: An object of the present invention is to provide a combination drug having an EZH1/2 dual inhibitor in combination with another medical agent and exerting an excellent anticancer effect. Provided is a combination drug having an EZH1/2 dual inhibitor in combination with another medical agent and exerting an excellent anticancer effect.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 23, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventor: Daisuke HONMA
  • Publication number: 20210386865
    Abstract: A method for producing an antibody-drug conjugate composition, comprising: (i) a step of reacting an antibody with a reducing agent in a buffer to reduce interchain disulfides, and (ii) a step of reacting drug linker intermediates with the antibody having thiol groups obtained in the step (i), wherein the reaction temperature in the step (i) is ?10° C. to 10° C., and the average number of bound drugs in the produced antibody-drug conjugate composition is 3.5 to 4.5, and the content of antibody-drug conjugates in which four drug linkers are bound to heavy-light interchain thiols, in the produced antibody-drug conjugate composition is 50% or more; and an antibody-drug conjugate composition, wherein the content of antibody-drug conjugates wherein the average number of bound drugs is 3.5 to 4.5, and the content of antibody-drug conjugates in which four drug linkers are bound to heavy-light interchain thiols, is 50% or more.
    Type: Application
    Filed: August 26, 2021
    Publication date: December 16, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Shigeru NOGUCHI, Ken SAKURAI, Daisuke OKAJIMA
  • Patent number: 11185594
    Abstract: As an antitumor drug which is excellent in terms of antitumor effect and safety and has an excellent therapeutic effect, there is provided an antibody-drug conjugate in which an antitumor compound represented by the following formula is conjugated to an anti-HER2 antibody via a linker having a structure represented by the formula: L1-L2-LP-NH—(CH2)n1-La-Lb-Lc or -L1-L2-LP- wherein the anti-HER2 antibody is connected to the terminal L1, and the antitumor compound is connected to the terminal Lc or LP with the nitrogen atom of the amino group at position 1 as the connecting position.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: November 30, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hiroyuki Naito, Takeshi Masuda, Takashi Nakada, Masao Yoshida, Shinji Ashida, Hideki Miyazaki, Yuji Kasuya, Koji Morita, Yusuke Ogitani, Yuki Abe
  • Publication number: 20210355087
    Abstract: The present invention relates to a compound or a pharmacologically acceptable salt thereof having excellent tissue non-specific alkaline phosphatase inhibitory activity. The present invention provides a compound represented by the following formula (I): wherein X1 represents a nitrogen atom or CR9, R1 represents a hydrogen atom, a C1-C6 alkyl group, or a C1-C6 alkoxy group, R2 represents a halogen atom, R3 represents a hydrogen atom or a halogen atom, R4 represents a hydrogen atom or a halogen atom, and R5 represents a C1-C3 alkylsulfonyl group, a substituted C1-C6 alkyl group, a substituted C1-C6 haloalkyl group, a substituted C1-C6 alkoxy group, or a substituted C1-C6 alkylamino group, or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: October 22, 2019
    Publication date: November 18, 2021
    Applicants: DAIICHI SANKYO COMPANY, LIMITED, SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE
    Inventors: Takashi Tsuji, Yasunobu Kurosaki, Koutaro Ishibashi, Anthony B. Pinkerton
  • Patent number: 11173213
    Abstract: A method for producing an antibody-drug conjugate composition, comprising: (i) a step of reacting an antibody with a reducing agent in a buffer to reduce interchain disulfides, and (ii) a step of reacting drug linker intermediates with the antibody having thiol groups obtained in the step (i), wherein the reaction temperature in the step (i) is ?10° C. to 10° C., and the average number of bound drugs in the produced antibody-drug conjugate composition is 3.5 to 4.5, and the content of antibody-drug conjugates in which four drug linkers are bound to heavy-light interchain thiols, in the produced antibody-drug conjugate composition is 50% or more; and an antibody-drug conjugate composition, wherein the content of antibody-drug conjugates wherein the average number of bound drugs is 3.5 to 4.5, and the content of antibody-drug conjugates in which four drug linkers are bound to heavy-light interchain thiols, is 50% or more.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: November 16, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Shigeru Noguchi, Ken Sakurai, Daisuke Okajima
  • Publication number: 20210347836
    Abstract: To provide a novel pharmaceutical use of a peptide. A pharmaceutical composition for the treatment or prevention of retinitis pigmentosa, comprising a peptide which comprises the amino acid sequence shown in SEQ ID NO: 30 and inhibits the protease activity.
    Type: Application
    Filed: June 21, 2019
    Publication date: November 11, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventor: Tatsuya Inoue
  • Publication number: 20210340628
    Abstract: A method for identifying a subject suffering from a cancer, comprising: obtaining a biological sample from the human patient diagnosed as suffering from a cancer; evaluating an amount of expression of the hTROP2 gene at mRNA level in the biological sample; evaluating an amount of expression of the SLFN11 gene at mRNA level in the biological sample, wherein the biological sample is one that is determined to have a high amount of expression of the hTROP2 gene; and identifying the human patient who provided the biological sample, wherein the biological sample is one that is determined to have a high amount of expression of the SLFN11 gene, as a subject to whom a medicament containing an anti-hTROP2 antibody is to be given.
    Type: Application
    Filed: August 22, 2019
    Publication date: November 4, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Daisuke OKAJIMA, Satoru YASUDA, Kei ENOMOTO