Patents Assigned to Taiho Pharmaceuticals Co., Ltd.
  • Publication number: 20190350932
    Abstract: It is intended to provide a novel method for treating a cancer using an FGFR inhibitor that exhibits a remarkably excellent antitumor effect and has fewer side effects. The present invention provides a combination preparation for the treatment of a malignant tumor comprising a compound represented by Formula (I) or a pharmaceutically acceptable salt thereof, and one or more additional compound(s) having an antitumor effect or pharmaceutically acceptable salt(s) thereof, and a pharmaceutical composition comprising both the active ingredients. The present invention also provides an antitumor effect enhancer, an antitumor agent, a kit for malignant tumor treatment, etc. comprising a compound represented by Formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 21, 2019
    Publication date: November 21, 2019
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Akihiro MIURA, Hiroshi SOOTOME, Junya IWASAKI
  • Publication number: 20190330214
    Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.
    Type: Application
    Filed: November 1, 2018
    Publication date: October 31, 2019
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Isao MIYAZAKI, Tadashi SHIMAMURA, Masanori KATO, Hidenori FUJITA, Satoru IGUCHI
  • Patent number: 10456399
    Abstract: A method for treating cancer in patients with creatinine clearance of 15 mL/min or more and less than 30 mL/min, including dividing a combination drug containing ?,?,?-trifluorothymidine (FTD) and 5-chloro-6-[(2-iminopyrrolidine-1-yl)methyl]pyrimidine-2,4(1H,3H)-dione hydrochloride in a molar ratio of 1:0.5, in a dose of 30 to 50 mg/m2/day as FTD-equivalent, into two to four times a day, and orally administering it to the patient.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: October 29, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventor: Kenichiro Yoshida
  • Patent number: 10457711
    Abstract: Provided are a novel Dermatophagoides farinae protein, and a diagnostic drug, a prophylactic drug and a therapeutic drug for an allergic disease caused by Dermatophagoides farinae. A Dermatophagoides farinae protein selected from the group consisting of the following (a) to (c), or a fragment peptide thereof: (a) a protein including an amino acid sequence set forth in SEQ ID NO:2; (b) a protein including an amino acid sequence in which one or several amino acids have been substituted, deleted, or added relative to the amino acid sequence set forth in SEQ ID NO:2, and having allergenicity of Dermatophagoides farinae; and (c) a protein including an amino acid sequence having 90% or higher identity with the amino acid sequence set forth in SEQ ID NO:2, and having allergenicity of Dermatophagoides farinae.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: October 29, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Naomasa Asaka, Yuki Tanaka, Naoki Inagaki
  • Patent number: 10457666
    Abstract: Crystal Form I of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione hydrochloride exhibiting powder X-ray peaks at two or more angles selected from the group consisting of 11.6°, 17.2°, 17.8°, 23.3°, 27.1°, and 29.3° as a diffraction angle (2?±0.2°).
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: October 29, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Hideki Kazuno, Tomonobu Mutsumi
  • Publication number: 20190321294
    Abstract: An object of the present invention is to provide an oxaliplatin-encapsulating liposome aqueous dispersion that has excellent long-term storage stability. The present invention provides an aqueous dispersion of liposomes encapsulating oxaliplatin, the oxaliplatin-encapsulating liposome aqueous dispersion containing 2-morpholinoethanesulfonic acid in an external aqueous phase.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Applicants: Taiho Pharmaceutical Co., Ltd., The University of Tokushima
    Inventors: Yusuke DOI, Tatsuhiro ISHIDA
  • Patent number: 10449189
    Abstract: Provided are a therapeutic agent and a pharmaceutical composition exerting an excellent prophylactic or therapeutic effect on fibrosis and symptoms associated with fibrosis. The therapeutic agent for fibrosis comprises 4-[2-fluoro-4-[[[(2-phenylacetyl)amino]thioxomethyl]amino]-phenoxy]-7-methoxy-N-methyl-6-quinolinecarboxamide or a salt thereof as an active ingredient.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: October 22, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventor: Akio Fujioka
  • Patent number: 10434103
    Abstract: An object of the present invention is to provide a crystal of (S)-1-(3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)-1-pyrrolidinyl)-2-propen-1-one, which is useful as an antitumor agent, the crystal being stable, excellent in oral absorbability, highly chemically pure, and suitable for mass production. The present invention provides a crystal of (S)-1-(3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)-1-pyrrolidinyl)-2-propen-1-one that exhibits an X-ray powder diffraction spectrum containing at least three characteristic peaks at diffraction angles (2?±0.2°) selected from 9.5°, 14.3°, 16.7°, 19.1°, 20.8°, 21.9°, and 25.2°. The present invention also provides a crystal of (S)-1-(3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)-1-pyrrolidinyl)-2-propen-1-one that exhibits an X-ray powder diffraction spectrum containing at least seven characteristic peaks at diffraction angles (2?±0.2°) selected from 13.5°, 17.9°, 19.5°, 20.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 8, 2019
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventor: Kosuke Egami
  • Publication number: 20190292190
    Abstract: The invention of the present application provides a compound represented by Formula (I) or a salt thereof, which exhibits an inhibitory activity against at least one kinase selected from the group consisting of Akt kinase, Rsk kinase, and S6K kinase and/or a cell proliferation inhibiting effect and is useful as a prophylactic and/or therapeutic agent for diseases associated with the above-mentioned kinases, particularly cancer.
    Type: Application
    Filed: May 19, 2017
    Publication date: September 26, 2019
    Applicant: Taiho Pharmaceutical Co., Ltd.
    Inventors: Tetsuya SUGIMOTO, Toshihiro SAKAMOTO, Fuyuki YAMAMOTO, Yu KOBAYAKAWA, Naoki EGASHIRA, Koji ICHIKAWA, Takumitsu MACHIDA
  • Patent number: 10421760
    Abstract: Provided are a novel compound or a salt thereof, and a pharmaceutical composition comprising the same, which selectively and strongly inhibit JAK3, exhibit an excellent activity for suppressing the growth of human peripheral blood monocytes and an excellent oral absorbability, and exhibits an activity of inhibiting IL-2-induced IFN-? production in vivo. A compound represented by formula (I) [wherein X represents —CH?CH—, —NH—, a sulfur atom or an oxygen atom; and n represents an integer of 0 to 2], or a salt thereof.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 24, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Masayuki Nakamura, Hiroyoshi Yamanaka, Morihiro Mitsuya, Takafumi Harada
  • Patent number: 10383822
    Abstract: An object of the present invention is to provide an oxaliplatin-encapsulating liposome aqueous dispersion that has excellent long-term storage stability. The present invention provides an aqueous dispersion of liposomes encapsulating oxaliplatin, the oxaliplatin-encapsulating liposome aqueous dispersion containing 2-morpholinoethanesulfonic acid in an external aqueous phase.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: August 20, 2019
    Assignees: TAIHO PHARMACEUTICAL CO., LTD., TOKUSHIMA UNIVERSITY
    Inventors: Yusuke Doi, Tatsuhiro Ishida
  • Patent number: 10370372
    Abstract: To provide a compound having an inhibitory activity for an androgen receptor. A fused pyrimidine compound represented by the following formula (I) or a pharmaceutically acceptable thereof (in the formula, X, Y, Z, R1, and R2 are as defined in the specification).
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: August 6, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Kazuhisa Minamiguchi, Shigeo Okajima, Takahiro Asai, Masanori Asai, Yoshio Ogino
  • Publication number: 20190212309
    Abstract: The present invention provides a novel method that is capable of detecting a trifluridine-related substance from a sample containing trifluridine or a salt thereof by high-performance liquid chromatography comprising two steps that are performed under gradient conditions. More specifically, the method is for detecting a trifluridine-related substance, the method comprising the step of subjecting a sample containing trifluridine or a salt thereof to high-performance liquid chromatography using a mobile phase composed of an organic phase and an aqueous phase, wherein the step of high-performance liquid chromatography comprises steps 1 and 2 that satisfy the following requirements: Step 1: the percentage of the organic phase in the entire mobile phase is 1 to 14% by volume; and Step 2: after step 1, elution is performed by applying a gradient of increasing the percentage of the organic phase in the entire mobile phase.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 11, 2019
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Daisuke TAKEDA, Akiyo KOJIMA
  • Publication number: 20190195840
    Abstract: This invention provides a method that is capable of detecting a trifluridine-related substance and a tipiracil-related substance contained in a sample containing trifluridine or a salt thereof and tipiracil or a salt thereof using the same procedure. The method is for detecting a trifluridine-related substance or a tipiracil-related substance or both, the method comprising the step of subjecting a sample containing trifluridine or a salt thereof and tipiracil or a salt thereof to high-performance liquid chromatography using a mobile phase composed of an organic phase and an aqueous phase.
    Type: Application
    Filed: April 13, 2018
    Publication date: June 27, 2019
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventor: Yoshinori TOKIMITSU
  • Patent number: 10329300
    Abstract: To provide a novel compound having a HER2 inhibitory effect and having a cytostatic effect. It is also intended to provide a medicament useful in the prevention and/or treatment of a disease involving HER2, particularly, cancer, on the basis of the HER2 inhibitory effect. The present invention provides a compound of formula (I) wherein X, Y, Z1, Z2, Z3, Z4, W, n, R1, R2, and R3 have meanings as defined in the present specification, or a salt thereof.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 25, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Yuichi Kawai, Hiroki Irie, Takeshi Sagara, Kazutaka Miyadera
  • Publication number: 20190183897
    Abstract: The problems to be solved by the present invention are to provide a novel FGFR inhibitor that is potent and highly selective, and to provide an antitumor agent with which side effects such as an elevated blood phosphorus concentration are alleviated while maintaining the antitumor effect of the FGFR inhibitor. The present invention provides an antitumor agent comprising a 3,5-di-substituted benzene alkynyl compound represented by general formula (I) or salt thereof, which is used by administering the 3,5-di-substituted benzene alkynyl compound or salt thereof according to an administration schedule of two or more times/week at an administration interval of at least one day between doses.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 20, 2019
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Hiroaki OCHIIWA, Hiroshi HIRAI
  • Patent number: 10323044
    Abstract: An object of the present invention is to provide a crystal of trans-3-amino-1-methyl-3-(4-(3-phenyl-5H-imidazo[1,2-c]pyrido[3,4-e][1,3]oxazin-2-yl)phenylcyclobutanol having excellent stability and favorable characteristics in terms of its production and formulation into drugs. The present invention provides a crystal of trans-3-amino-1-methyl-3-(4-(3-phenyl-5H-imidazo[1,2-c]pyrido[3,4-e][1,3]oxazin-2-yl)phenylcyclobutanol having characteristic peaks of diffraction angle (2?±0.1°) at 7.7°, 9.5°, 10.3°, 12.3°, 14.5°, 15.6°, 16.3°, 17.8°, 18.3°, 19.3°, 20.9°, 22.8°, 24.2°, 25.7°, 26.8°, 27.7°, 29.0° and 30.1° in a powder X-ray diffraction spectrum.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: June 18, 2019
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 10300067
    Abstract: A method for inhibiting androgen activity, including administering an effective amount of a tetrahydropyridopyrimidine compound of formula (I) or a pharmaceutically acceptable salt thereof to a subject in need thereof, and a method for treating tumor, including administering an effective amount of a tetrahydropyridopyrimidine compound of formula (I) or a pharmaceutically acceptable salt thereof to a subject in need thereof
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: May 28, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Kazuhisa Minamiguchi, Shigeo Okajima, Shinichi Aoki, Masanori Asai, Takahiro Asai, Hiroyoshi Yamanaka, Suguru Dohi
  • Patent number: 10278373
    Abstract: This invention provides an HLA class I-expressing non-human animal that can be prepared efficiently in a simple manner within a short period of time, in which the transgene copy number to be introduced thereinto and the integration site of transgene are regulated, and in which the expression level of the transgene and the site of expression thereof are regulated. The invention also provides a method for preparing such non-human animal. In such HLA class I gene knock-in non-human animal, an artificial chimeric gene encoding an artificial chimeric protein comprising a protein composed of ?2 microglobulin, HLA class I ?1 and ?2 regions, and an MHC class I ?3 region of a non-human animal ligated in such order from the N terminus is expressed under the control of a transcription regulatory region of ?2 microglobulin gene of the non-human animal.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: May 7, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Naomoto Harada, Satoshi Fukaya
  • Patent number: RE47388
    Abstract: The present invention provides an agent for alleviating side effects caused by use of an anti-tumor agent, which contains 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H-pyrimidi nedione (1) represented by formula (1): or a pharmaceutically acceptable salt thereof. The 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione or a pharmaceutically acceptable salt thereof exhibit an inflammatory-suppressing action in the digestive tract and advantageously alleviate diarrhea and loss of body weight concomitant with administration of a chemical for treating cancer without suppressing the anti-tumor effect. Thus, the compounds of the present invention are of great value as agents for alleviating side effects caused by use of an anti-tumor agent, which enable not only the chemotherapy to be continuedly carried out, but also the body exhaustion to be effectively prevented.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: May 14, 2019
    Assignee: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Masakazu Fukushima, Noriyuki Yamamoto, Norihiko Suzuki