Patents Assigned to DAIICHI SANKYO COMPANY
  • Publication number: 20230331700
    Abstract: An object of the present invention is to provide a compound having an anti-inflammatory activity or a pharmacologically acceptable salt thereof. The solution of the present invention is a compound of general formula (1) or a pharmacologically acceptable salt thereof. wherein the symbols in the formula are defined below: A: e.g., Benzene, E: e.g., —CH2—, G: e.g., a 5-membered aromatic heterocyclic ring, X: e.g., cyclohexane, J: e.g., a 5-membered aromatic heterocyclic ring, Y: e.g., a phenyl group, R1, R2, R3: e.g., a halogen atom, R4: e.g., a C1-C6 alkyl group, R5: e.g., a hydrogen atom, R6a, R6b, R6c, R6d: e.g., a hydrogen atom, R7: e.g., a hydrogen atom, R8: e.g., a hydrogen atom, n1, n2, n3: e.g., 1.
    Type: Application
    Filed: November 21, 2022
    Publication date: October 19, 2023
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Toru Taniguchi, Osamu Iwamoto, Keiji Saito, Katsuyoshi Nakajima, Yasuyuki Ogawa, Nobuya Kurikawa, Seiko Nagata, Kaori Ito, Eriko Kioi
  • Publication number: 20230330248
    Abstract: [Problem] It is desired to develop an antibody-drug conjugate capable of being systemically administered and delivering a STING agonist specifically to a target cells or organ (for example, a tumor lesion), and a therapeutic agent and/or therapeutic method using the antibody-drug conjugate for diseases related to STING agonist activity, for example, diseases (for example, cancers) to which immunostimulation therapy can be applied. [Solution] The present invention provides a novel antibody-CDN derivative conjugate which can be systemically administered and exhibits an antitumor effect against an antigen-expressing tumor.
    Type: Application
    Filed: March 5, 2021
    Publication date: October 19, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Masayuki ISHIZAKI, Osamu SUZUKI, Mariko KYUTOKU, Hiroshi YUKIURA, Kyoko HARA, Masataka CHIHARA, Takafumi OTSUKA, Teiji WADA
  • Publication number: 20230293714
    Abstract: A pharmaceutical composition, wherein 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 anti-HER2 antibody via a thioether bond, and a HER dimerization inhibitor are administered in combination, and/or a method of treatment, wherein the anti-HER2 antibody-drug conjugate and a HER dimerization inhibitor are administrated in combination to a subject.
    Type: Application
    Filed: July 19, 2021
    Publication date: September 21, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventor: Yasuki KAMAI
  • Publication number: 20230287121
    Abstract: A novel antibody that can be used as an anti-tumor agent and an anti-tumor agent that comprises, as an active ingredient, a molecule containing such an antibody.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Applicants: MIE UNIVERSITY, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hiroshi SHIKU, Yasushi AKAHORI, Kento TANAKA, Ayaka YATSU, Junya ICHIKAWA, Toshiaki OHTSUKA, Shiho OKZUMA, Ryuji HASHIMOTO, Makiko NAKAYAMA, Naoya SHINOZAKI, Kensuke NAKAMURA, Ichiro WATANABE, Shinji FURUZONO
  • Publication number: 20230287119
    Abstract: The present invention provides a novel antibody binding to human CD3, and a molecule having antigen binding activity that includes the antibody. The present invention provides a novel antibody binding to human CD3, a molecule having antigen binding activity that includes the antibody, and a pharmaceutical composition having cytotoxic activity that includes the antibody or the molecule as an active ingredient.
    Type: Application
    Filed: April 3, 2023
    Publication date: September 14, 2023
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tohru TAKAHASHI, Chigusa YOSHIMURA, Shiho KOZUMA, Kensuke NAKAMURA, Chikako SUZUKI, Junya ICHIKAWA
  • Publication number: 20230277679
    Abstract: A method for producing an antibody-drug conjugate composition, comprising: (i) a step of reacting an antibody with a reducing agent to obtain an antibody having thiol groups; then (ii) a step of reacting drug-linker intermediates with the antibody having thiol groups obtained in the step (i), wherein the step (i) is carried out until the composition ratio of the antibody having four heavy-light interchain thiols and the composition ratio of the antibody having four heavy-heavy interchain thiols reach a steady value.
    Type: Application
    Filed: July 16, 2021
    Publication date: September 7, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hitoshi SATO, Yuka SASORI, Daisuke FUKATSU
  • Publication number: 20230270870
    Abstract: The present disclosure relates to the field of pharmaceutical preparations, dosage regimens, and administration of an antibody-drug conjugate (ADC). More specifically, the ADC is composed of an anti-trophoblast cell surface antigen 2 (TROP2) antibody connected via a linker to an anticancer agent, such as topoisomerase I inhibitor.
    Type: Application
    Filed: May 28, 2020
    Publication date: August 31, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Yutaka NOGUCHI, Tomonari YAMASHITA, Daisuke OKAJIMA, Takuma IGUCHI, Satoru YASUDA, Jonathan GREENBERG
  • Publication number: 20230265431
    Abstract: Provided is a short-chain guide RNA that is able to induce site-specific editing even when only a small number of nucleotides is attached to the target recognition site. The guide RNA includes a first oligonucleotide that identifies the target RNA, and a second oligonucleotide that links to the 3? end of the first oligonucleotide. The first oligonucleotide contains: a target-corresponding nucleotide residue that corresponds to an adenosine residue in the target RNA; an oligonucleotide of 15 to 30 residues that links to the 5? end of the target-corresponding nucleotide residue and that has a base sequence complementary to the target RNA; and an oligonucleotide of 3 or 4 residues that links to the 3? end of the target-corresponding nucleotide residue and that has a base sequence complementary to the target RNA. The second oligonucleotide contains 2 to 24 nucleotide residues, and induces site-specific editing of the target RNA.
    Type: Application
    Filed: March 22, 2023
    Publication date: August 24, 2023
    Applicants: FUKUOKA UNIVERSITY, DAIICHI SANKYO COMPANY, LIMITED
    Inventor: Masatora FUKUDA
  • Publication number: 20230256110
    Abstract: A pharmaceutical product for administration of an anti HER2 antibody-drug conjugate in combination with an ATM inhibitor is provided. The anti-HER2 antibody-drug conjugate is an antibody-drug conjugate in which a drug linker represented by the following formula (wherein A represents the connecting position to an antibody) is conjugated to an anti-HER2 antibody via a thioether bond. Also provided is a therapeutic use and method wherein the antibody-drug conjugate and the ATM inhibitor are administered in combination to a subject: Formula (I).
    Type: Application
    Filed: June 23, 2021
    Publication date: August 17, 2023
    Applicants: AstraZeneca UK Limited, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Jerome Thomas METTETAL, II, Stephen Thomas DURANT, Azadeh Cheraghchi Bashi ASTANEH, Alan Yin Kai LAU, Yann WALLEZ
  • Publication number: 20230257368
    Abstract: An object of the present invention is to provide an industrially useful and novel process for producing a 1,3-benzodioxole derivative, with high yield and few impurities, including a novel chlorination reaction of a benzene ring. In the novel process for producing a 1,3-benzodioxole derivative, it has been found that an industrially useful and novel chlorination reaction of a benzene ring is conducted by using sulfuryl chloride with high yield and few impurities. Based on the finding, the invention has been accomplished.
    Type: Application
    Filed: July 7, 2021
    Publication date: August 17, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Tsuyoshi UEDA, Yuji KAIYA, Takahisa UCHIDA, Makoto IMAI
  • Publication number: 20230257767
    Abstract: The present invention provides an approach to enhancing the production of a foreign protein serving as a protein-based pharmaceutical product in host cells such as cultured cells derived from a mammal. The present invention provides transformed cells having a novel Hspa5 gene promoter, and a method for secreting and producing a foreign protein at high levels using the transformed host cells.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 17, 2023
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Kenji Masuda, Koichi Nonaka, Hiroki Tanemura
  • Publication number: 20230233540
    Abstract: A pharmaceutical product for administration of an anti HER2 antibody-drug conjugate in combination with a CDK9 inhibitor is provided. The anti-HER2 antibody-drug conjugate is an antibody-drug conjugate in which a drug linker represented by the following formula (wherein A represents the connecting position to an antibody) is conjugated to an anti-HER2 antibody via a thioether bond.
    Type: Application
    Filed: June 23, 2021
    Publication date: July 27, 2023
    Applicants: AstraZeneca UK Limited, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Jerome Thomas METTETAL, II, Justin Robert CIDADO, Scott BOIKO
  • Publication number: 20230226205
    Abstract: It is an object of the present invention to provide an antibody binding to CDH6 and having internalization activity, an antibody-drug conjugate of the antibody and a drug having antitumor activity, a pharmaceutical product comprising the antibody-drug conjugate and having therapeutic effects on a tumor, a method for treating a tumor using the antibody, the antibody-drug conjugate or the pharmaceutical product, and the like. The present invention provides an anti-CDH6 antibody having internalization activity, an antibody-drug conjugate of the antibody and a drug having antitumor activity, a pharmaceutical product comprising the antibody or the antibody-drug conjugate, and a method for treating a tumor.
    Type: Application
    Filed: July 26, 2022
    Publication date: July 20, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Atsuko SAITO, Tsuyoshi HIRATA, Kensuke NAKAMURA
  • Publication number: 20230212306
    Abstract: The present invention provides a pharmaceutical composition comprising an antibody which binds specifically to human TLR7 or monkey TLR7 and does not bind to mouse TLR7 or rat TLR7, and has an activity of inhibiting a function of human TLR7 or monkey TLR7, and the like.
    Type: Application
    Filed: December 27, 2022
    Publication date: July 6, 2023
    Applicants: Daiichi Sankyo Company, Limited, The University of Tokyo
    Inventors: Kensuke Miyake, Yusuke Murakami, Yuji Motoi, Atsuo Kanno, Toshiyuki Shimizu, Umeharu Ohto, Takaichi Shimozato, Atsushi Manno, Takashi Kagari, Jun Ishiguro, Kensuke Nakamura, Takashi Isobe
  • Publication number: 20230203132
    Abstract: The present invention provides a novel peptide that has an amino acid sequence represented by SEQ ID NO: 18, and binds to an active protease but does not bind to a pro-protease.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 29, 2023
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Hidenori Yano, Daisuke Nishimiya, Ryuji Hashimoto, Yoichi Niitsu
  • Patent number: 11667642
    Abstract: Provided is a novel and industrially useful method for producing a 3,6-disubstituted imidazo[1,2-b]pyridazine derivative. The present invention provides a method for producing a 3,6-disubstituted imidazo[1,2-b]pyridazine derivative, which uses 6-fluoroimidazo[1,2-b]pyridazine as a starting material, while using an aromatic substitution reaction that utilizes C—H activation by means of palladium.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: June 6, 2023
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Ryoji Koike, Yoshifumi Hachisu, Takafumi Kitawaki, Shohei Shiraishi
  • Patent number: 11661451
    Abstract: An object of the present invention is to provide a novel anti-CD147 antibody exhibiting potent antitumor efficacy and having excellent safety. Another object of the present invention is to provide a pharmaceutical product comprising such an antibody. Another object of the present invention is to provide a method for treating tumors using the antibody or the pharmaceutical product, for example. The present invention provides a CD147-specific antibody that activates CD147 and exhibits high antitumor efficacy. The present invention provides the anti-CD147 antibody that exhibits high antitumor efficacy independent of effector functions. The present invention provides a pharmaceutical composition comprising such an anti-CD147 antibody. The present invention provides a method for treating tumors using such an anti-CD147 antibody and/or pharmaceutical composition.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: May 30, 2023
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Keisuke Fukuchi, Kayoko Nanai, Masato Amano, Kozo Yoneda, Yusuke Totoki, Shoji Yamamoto
  • Publication number: 20230144876
    Abstract: The present invention provides an immunity-inducing agent comprising a polynucleotide-peptide conjugate or a pharmaceutically acceptable salt thereof as an active component, wherein the polynucleotide-peptide conjugate consists of: a single-chain polynucleotide or polynucleotide derivative comprising a CpG motif; a peptide; and a spacer which is covalently bonded at one end thereof to the polynucleotide or polynucleotide derivative and covalently bonded at the other end thereof to the peptide, wherein the peptide is a peptide modified by substituting one or more contiguous amino acids at the N-terminus of an MHC-binding peptide with an amino acid having a reactive functional group which allows for the formation of a covalent bond with the spacer, wherein the one or more contiguous amino acids contain no anchor residues for MHC binding.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 11, 2023
    Applicants: The University of Kitakyushu, Daiichi Sankyo Company, Limited
    Inventors: Shinichi Mochizuki, Makoto Koizumi, Koji Morita
  • Patent number: 11643658
    Abstract: Provided is a short-chain guide RNA that is able to induce site-specific editing even when only a small number of nucleotides is attached to the target recognition site. The guide RNA includes a first oligonucleotide that identifies the target RNA, and a second oligonucleotide that links to the 3? end of the first oligonucleotide. The first oligonucleotide contains: a target-corresponding nucleotide residue that corresponds to an adenosine residue in the target RNA; an oligonucleotide of 15 to 30 residues that links to the 5? end of the target-corresponding nucleotide residue and that has a base sequence complementary to the target RNA; and an oligonucleotide of 3 or 4 residues that links to the 3? end of the target-corresponding nucleotide residue and that has a base sequence complementary to the target RNA. The second oligonucleotide contains 2 to 24 nucleotide residues, and induces site-specific editing of the target RNA.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: May 9, 2023
    Assignees: FUKUOKA UNIVERSITY, DAIICHI SANKYO COMPANY, LIMITED
    Inventor: Masatora Fukuda
  • Publication number: 20230136988
    Abstract: An object of the present invention is to provide a compound having an anti-inflammatory activity or a pharmacologically acceptable salt thereof. The solution of the present invention is a compound of general formula (1) or a pharmacologically acceptable salt thereof. wherein the symbols in the formula are defined below: R1: e.g., a C1-C6 alkyl group; R2: a C1-C6 alkyl group; A: e.g., an oxygen atom; and R3: e.g., a C1-C6 alkyl group.
    Type: Application
    Filed: October 13, 2022
    Publication date: May 4, 2023
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Osamu Iwamoto, Satoshi Shibuya, Yasuyuki Ogawa, Kazumasa Aoki, Nobuya Kurikawa, Shinji Tanaka, Momoko Ogitani, Eriko Kioi, Kaori Ito, Natsumi Nishihama, Tsuyoshi Mikkaichi, Wataru Saitoh