Patents by Inventor Taiji Asami

Taiji Asami 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: 20220135638
    Abstract: The present disclosure provides GIP receptor agonist peptide compounds having an activating action on GIP receptors and use of the GIP receptor agonist peptide as a medicament for the treatment and/or prevention of diabetes, obesity, emesis, or a symptom or condition associated with diabetes, obesity, or emesis. Specifically, a GIP receptor agonist peptide containing a sequence represented by the formula (I) or a salt thereof, and a medicament comprising the same are provided. Formula I: P1-A1-A2-A3-A4-A5-A6-A7-A8-A9-A10-A11-A12-A13-A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25-A26-A27-A28-A29-A30-A341-A32-A33-A34-A35-A36-A37-A38-A39-A40-A41-P2 (SEQ ID NO: 4), or a salt thereof, wherein each symbol is as defined herein, with the proviso that the GIP receptor agonist peptide does not have an amino acid sequence as provided in SEQ ID NOs: 4-569 disclosed in PCT/JP2018/013540.
    Type: Application
    Filed: September 24, 2019
    Publication date: May 5, 2022
    Inventors: Hiroshi IMOTO, Mari ADACHI, Yoko KANEMATSU, Taiji ASAMI, Ayumu NIIDA, Naoki NISHIZAWA, Derek Cecil COLE, Mack FLINSPACH, Nick SCORAH, Abhijit Suresh BHAT
  • Patent number: 11174301
    Abstract: The present invention provides a novel peptide compound having an activating action on GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-A2-Glu-Gly-Thr-A6-A7-A8-A9-A10-A11-A12-A13-A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25-A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-A37-A38-A39-A40-P2?? (I) wherein each symbol is as defined herein.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: November 16, 2021
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa, Ayumu Niida, Yoko Kanematsu, Mari Adachi, Shiro Takekawa, Tomoko Morimoto
  • Publication number: 20210115048
    Abstract: The present invention provides a compound or a salt thereof having a calcium-sensing receptor antagonistic activity, and being expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like. The compounds represented by formula (I) or a salt thereof has a calcium-sensing receptor antagonistic activity, and is expected to be useful as an agent for preventing or treating heart failure, pulmonary hypertension, or the like, wherein each symbol is as described in the specification.
    Type: Application
    Filed: April 26, 2018
    Publication date: April 22, 2021
    Inventors: Shuji KITAMURA, Zenichi IKEDA, Minoru IKOMA, Koji WATANABE, Hideki HIROSE, Takafumi YUKAWA, Sachie MORIMOTO, Naoki NISHIZAWA, Taiji ASAMI
  • Publication number: 20200140505
    Abstract: The present invention provides a novel peptide compound having an activating action on GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-A2-Glu-Gly-Thr-A6-A7-A8-A9-A10-A11-A12-A13-A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25-A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-A37-A38-A39-A40-P2?? (I) wherein each symbol is as defined herein.
    Type: Application
    Filed: August 29, 2019
    Publication date: May 7, 2020
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMTED
    Inventors: TAIJI ASAMI, NAOKI NISHIZAWA, AYUMU NIIDA, YOKO KANEMATSU, MARI ADACHI, SHIRO TAKEKAWA, TOMOKO MORIMOTO
  • Patent number: 10501516
    Abstract: The present invention relates to a peptide compound that may be useful in the treatment or prophylaxis of obesity, diabetes and the like. More specifically, the present invention relates to a peptide compound represented by the formula (I): P1-Tyr-Aib-Glu-Gly-Thr-?-MePhe-Thr-Ser-Asp-Lys(-Gly-Gly-Gly-Gly-RA10)-A11-A12-Aib-Leu-A15-Lys-Gln-A18-Gln-Iva-Glu-Phe-Val-Arg-His-Leu-Leu-Asn-Lys-Aib-Thr-Arg-Gln-Arg-A35-NH2 wherein each symbol is as defined in the specification, and the treatment or prophylaxis of obesity, diabetes and the like using the peptide compound.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: December 10, 2019
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taiji Asami, Ayumu Niida
  • Patent number: 10435445
    Abstract: The present invention provides a novel peptide compound having an activating action on GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. (I) P1-Tyr-A2-Glu-Gly-Thr-A6-A7-A8-A9-A10-A11-A12-A13- A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25- A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-A37- A38-A39-A40-P2 wherein each symbol is as defined herein.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 8, 2019
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taiji Asami, Naoki Nishizawa, Ayumu Niida, Yoko Kanematsu, Mari Adachi, Shiro Takekawa, Tomoko Morimoto
  • Publication number: 20190202883
    Abstract: The present invention relates to a peptide compound that may be useful in the treatment or prophylaxis of obesity, diabetes and the like. More specifically, the present invention relates to a peptide compound represented by the formula (I): P1-Tyr-Aib-Glu-Gly-Thr-?-MePhe-Thr-Ser-Asp-Lys(-Gly-Gly-Gly-Gly-RA10)-A11-A12-Aib-Leu-A15-Lys-Gln-A18-Gln-Iva-Glu-Phe-Val-Arg-His-Leu-Leu-Asn-Lys-Aib-Thr-Arg-Gln-Arg-A35-NH2 wherein each symbol is as defined in the specification, and the treatment or prophylaxis of obesity, diabetes and the like using the peptide compound.
    Type: Application
    Filed: May 23, 2017
    Publication date: July 4, 2019
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taiji ASAMI, Ayumu NIIDA
  • Publication number: 20180298070
    Abstract: The present invention provides a novel peptide compound having an activating action on GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-A2-Glu-Gly-Thr-A6-A7-A8-A9-A10-A11-A12-A13-A14-A15-A16-A17-A18-A19-A20-A21-A22-A23-A24-A25-A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-A37-A38-A39-A40-P2 ??(I) wherein each symbol is as defined herein.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 18, 2018
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa, Ayumu Niida, Yoko Kanematsu, Mari Adachi, Shiro Takekawa, Tomoko Morimoto
  • Patent number: 10087229
    Abstract: The present invention provides a novel peptide compound having an activating action on GLP-1 receptors and GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a partial sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-Aib-Glu-Gly-Thr-alphaMePhe-Thr-Ser-Asp-Tyr-A11-A12-A13-Leu-Asp-A16-A17-Ala-Gln-A20-Glu-Phe-Val-Lys-Trp-Leu-Leu-Lys-A29 (I) wherein each symbol is as defined herein.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: October 2, 2018
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taiji Asami, Ayumu Niida
  • Publication number: 20160052988
    Abstract: The present invention provides a novel peptide compound having an activating action on GLP-1 receptors and GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a partial sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-Aib-Glu-Gly-Thr-al-phaMePhe-Thr-Ser-Asp-Tyr-A11-A12-A13-Leu-Asp-A16-A17-Ala-Gln-A20-Glu-Phe-Val-Lys-Trp-Leu-Leu-Lys-A29 (I) wherein each symbol is as defined herein.
    Type: Application
    Filed: May 27, 2014
    Publication date: February 25, 2016
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Taiji ASAMI, Ayumu NIIDA
  • Patent number: 9260500
    Abstract: The present invention aims to provide a peptide having a superior Y2 receptor agonist action and useful as an agent for the prophylaxis or treatment of obesity and the like. A peptide represented by the formula: P1—X1-A25-A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-NH2 wherein each symbol is as described in the specification, or a salt thereof.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: February 16, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa, Ayumu Niida, Yusuke Adachi
  • Patent number: 9200051
    Abstract: The present invention provides a novel peptide compound having an activating action on GLP-1 receptors and GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a partial sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. P1-Tyr-Aib-Glu-Gly-Thr-?MePhe-Thr-Ser-Asp-Tyr-A11-A12-A13-Leu-Asp-A16-A17-Ala-Gln-A20-Glu-Phe-Val-Lys-Trp-Leu-Leu-Lys-A29 SEQ ID NO: 1 (I) wherein each symbol is as defined herein.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: December 1, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Ayumu Niida
  • Patent number: 9175037
    Abstract: An object of the present invention is to provide a novel anorectic agent. Another object of the invention is to provide an NMU derivative which exhibits a high anorectic effect even when administered in a usual manner, for example, peripherally. These objects can be achieved by the compound represented by formula (I) or a salt thereof. In formula (I), Y represents a polypeptide containing an amino acid sequence set forth in SEQ ID NO.: 1 wherein 1 to 4 amino acids are substituted; X represents a methoxypolyethylene glycol; X? is absent or represents a methoxypolyethylene glycol; and a moiety represented by formula: La-Lb-[Lc]j represents a linker.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: November 3, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Hiroshi Inooka, Naoki Nishizawa
  • Publication number: 20140357552
    Abstract: The present invention provides a novel peptide compound having an activating action on GLP-1 receptors and GIP receptors and use of the peptide compound as a medicament. Specifically, a peptide containing a partial sequence represented by the formula (I) or a salt thereof and a medicament comprising the same are provided. (I) P1-Tyr-Aib-Glu-Gly-Thr-?MePhe-Thr-Ser-Asp-Tyr- A11-A12-A13-Leu-Asp-A16-A17-Ala-Gln-A20-Glu- Phe-Val-Lys-Trp-Leu-Leu-Lys-A29 wherein each symbol is as defined herein.
    Type: Application
    Filed: May 27, 2014
    Publication date: December 4, 2014
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Taiji ASAMI, Ayumu NIIDA
  • Patent number: 8778871
    Abstract: The invention provides stable metastin derivatives having excellent biological activities (a cancer metastasis suppressing activity, a cancer growth suppressing activity, etc.). By modifying the constituent amino acids of metastin with specific modifying groups, metastin derivatives having more improved blood stability, etc. than native metastin and showing excellent cancer metastasis suppressing activity or cancer growth suppressing activity have been found. Furthermore, it has been found that these metastin derivatives exhibit effects of suppressing gonadotropic hormone secretion, suppressing sex hormone secretion, etc., which are wholly different from the effects heretofore known.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: July 15, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Chieko Kitada, Taiji Asami, Naoki Nishizawa
  • Patent number: 8765909
    Abstract: The present invention provides stable metastin derivatives having excellent biological activities (a cancer metastasis suppressing activity, a cancer growth suppressing activity, a gonadotropic hormone secretion stimulating activity, sex hormone secretion stimulating activity, etc.). By substituting the constituent amino acids of metastin with specific amino acids, the metastin derivatives of the present invention achieve more improved blood stability, solubility, etc., reduced gelation tendency, improved pharmacokinetics, as well as exhibit an excellent cancer metastasis suppressing activity or a cancer growth suppressing activity. The metastin derivatives of the present invention also have a gonadotropic hormone secretion suppressing activity, sex hormone secretion suppressing activity, etc.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: July 1, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa
  • Patent number: 8404643
    Abstract: The present invention provides stable metastin derivatives having excellent biological activities (a cancer metastasis suppressing activity, a cancer growth suppressing activity, a gonadotrophic hormone secretion stimulating activity, sex hormone secretion stimulating activity, etc.). By substituting the constituent amino acids of metastin with specific amino acids in the metastin derivative of the present invention, blood stability, solubility, etc. are more improved, gelation tendency is reduced, pharmacokinetics are also improved, and an excellent cancer metastasis suppressing activity or a cancer growth suppressing activity is exhibited. Furthermore, the metastin derivative of the present invention has the effects of suppressing gonadotropic hormone secretion, suppressing sex hormone secretion, etc.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: March 26, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa
  • Patent number: 8361968
    Abstract: The present invention provides a metastin derivative in which the amino acids comprising metastin were modified by alternative chemical substituents resulting in metastin derivitives, having excellent blood stability and exhibiting cancer metastasis inhibiting action or cancer growth inhibiting action.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: January 29, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Chieko Kitada, Taiji Asami, Naoko Nishizawa, Tetsuya Ohtaki, Naoki Tarui, Hirokazu Matsumoto
  • Publication number: 20120172293
    Abstract: The present invention aims to provide a peptide having a superior Y2 receptor agonist action and useful as an agent for the prophylaxis or treatment of obesity and the like. A peptide represented by the formula: P1-X1-A25-A26-A27-A28-A29-A30-A31-A32-A33-A34-A35-A36-NH2 wherein each symbol is as described in the specification, or a salt thereof.
    Type: Application
    Filed: July 1, 2010
    Publication date: July 5, 2012
    Inventors: Taiji Asami, Naoki Nishizawa, Ayumu Niida, Yusuke Adachi
  • Publication number: 20120094898
    Abstract: The present invention relates to a peptide derivative selected from the group consisting of PEG20k(AL)-?-Ala-Tyr-Nal(1)-Leu-Phe-Arg-Pro-Arg-Asn-NH2, PEG20k(AL)-?-Ala-Tyr-Nal(2)-Leu-Phe-Arg-Pro-Arg-Asn-NH2, PEG20k(AL)-NpipAc-Tyr-Nal(2)-Leu-Phe-Arg-Pro-Arg-Asn-NH2, PEG20k(AL)-NpipAc-Tyr-Nal(2)-Leu-Phe-Arg-Ala-Arg-Asn-NH2, PEG20k(AL)-PEG(2)-Tyr-Nal(2)-Leu-Phe-Arg-NMeAla-Arg-Asn-NH2, PEG20k(AL)-Pic(4)-Tyr-Nal(2)-Leu-Phe-Arg-NMeAla-Arg-Asn-NH2, PEG20k(AL)-Acp-Tyr-Nal(2)-Leu-Phe-Arg-NMeAla-Arg-Asn-NH2, and PEG20k(AL)-?-Ala-Tyr-Nal(2)-Leu-Pya(4)-Arg-Pro-Arg-Asn-NH2; or a salt thereof.
    Type: Application
    Filed: October 12, 2011
    Publication date: April 19, 2012
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Taiji Asami, Naoki Nishizawa, Yoko Kanematsu