Patents by Inventor Daisuke Kameoka

Daisuke Kameoka 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: 20230340134
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Application
    Filed: June 15, 2023
    Publication date: October 26, 2023
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH
  • Patent number: 11767363
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody AMA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: September 26, 2023
    Assignees: CHUGAI SEIYAKU KABUSHIKI KAISHA, HOFFMANN-LA ROCHE INC.
    Inventors: Toshiyuki Morichika, Daisuke Kameoka, Yoshimi Imaeda, Terutoshi Maeda, Oliver Boris Stauch
  • Patent number: 11723976
    Abstract: In one non-limiting embodiment, the present disclosure relates to lyophilized formulations containing an IL-31 antagonist (for example, an anti-IL-31RA antibody) as an active ingredient, the lyophilized formulations further containing arginine and/or a salt thereof and sucrose and/or trehalose. In another non-limiting embodiment, the present disclosure relates to solution formulations containing an IL-31 antagonist as an active ingredient, the solution formulations further containing arginine and/or a salt thereof.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: August 15, 2023
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Toru Yoshizawa, Megumi Numata, Hitoshi Sasaki, So Yamaguchi, Hiroko Murata, Naoka Hironiwa
  • Publication number: 20230210991
    Abstract: In one non-limiting embodiment, the present disclosure is an antibody-containing formulation comprising an anti-IL-6 receptor antibody as an active ingredient, and contains histidine-aspartate buffer or histidine-glutamate buffer, Poloxamer 188, and arginine, and has a pH of 5.5 to 6.6. In one non-limiting embodiment, the present disclosure is a method of stabilizing an antibody-containing solution, a method of suppressing antibody association (e.g., dimerization), and a method of suppressing the generation of insoluble particles, wherein L-aspartic acid or L-glutamic acid, and optionally, Poloxamer 188 are added.
    Type: Application
    Filed: May 28, 2021
    Publication date: July 6, 2023
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Masaya Yasutake, Masakazu Fukuda, Atsushi Watanabe, Tomoyuki Igawa, Chifumi Imai, Akira Hayasaka
  • Publication number: 20230167183
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 1, 2023
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH
  • Patent number: 11584798
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: February 21, 2023
    Assignees: HOFFMANN-LA ROCHE INC., CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Toshiyuki Morichika, Daisuke Kameoka, Yoshimi Imaeda, Terutoshi Maeda, Oliver Boris Stauch
  • Publication number: 20220281988
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH
  • Publication number: 20220184210
    Abstract: In one non-limiting embodiment, the present disclosure relates to lyophilized formulations containing an IL-31 antagonist (for example, an anti-IL-31RA antibody) as an active ingredient, the lyophilized formulations further containing arginine and/or a salt thereof and sucrose and/or trehalose. In another non-limiting embodiment, the present disclosure relates to solution formulations containing an IL-31 antagonist as an active ingredient, the solution formulations further containing arginine and/or a salt thereof.
    Type: Application
    Filed: March 4, 2022
    Publication date: June 16, 2022
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Toru Yoshizawa, Megumi Numata, Hitoshi Sasaki, So Yamaguchi, Hiroko Murata, Naoka Hironiwa
  • Patent number: 11359026
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: June 14, 2022
    Assignees: CHUGAI SEIYAKU KABUSHIKI KAISHA, HOFFMANN-LA ROCHE INC.
    Inventors: Toshiyuki Morichika, Daisuke Kameoka, Yoshimi Imaeda, Terutoshi Maeda, Oliver Boris Stauch
  • Publication number: 20220125921
    Abstract: In one non-limiting embodiment, the present disclosure relates to lyophilized formulations containing an IL-31 antagonist (for example, an anti-IL-31RA antibody) as an active ingredient, the lyophilized formulations further containing arginine and/or a salt thereof and sucrose and/or trehalose. In another non-limiting embodiment, the present disclosure relates to solution formulations containing an IL-31 antagonist as an active ingredient, the solution formulations further containing arginine and/or a salt thereof.
    Type: Application
    Filed: January 12, 2022
    Publication date: April 28, 2022
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Toru Yoshizawa, Megumi Numata, Hitoshi Sasaki, So Yamaguchi, Hiroko Murata, Naoka Hironiwa
  • Patent number: 11260125
    Abstract: In one non-limiting embodiment, the present disclosure relates to lyophilized formulations containing an IL-31 antagonist (for example, an anti-IL-31RA antibody) as an active ingredient, the lyophilized formulations further containing arginine and/or a salt thereof and sucrose and/or trehalose. In another non-limiting embodiment, the present disclosure relates to solution formulations containing an IL-31 antagonist as an active ingredient, the solution formulations further containing arginine and/or a salt thereof.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 1, 2022
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Toru Yoshizawa, Megumi Numata, Hitoshi Sasaki, So Yamaguchi, Hiroko Murata, Naoka Hironiwa
  • Publication number: 20210322550
    Abstract: In one non-limiting embodiment, the present disclosure relates to lyophilized formulations containing an IL-31 antagonist (for example, an anti-IL-31RA antibody) as an active ingredient, the lyophilized formulations further containing arginine and/or a salt thereof and sucrose and/or trehalose. In another non-limiting embodiment, the present disclosure relates to solution formulations containing an IL-31 antagonist as an active ingredient, the solution formulations further containing arginine and/or a salt thereof.
    Type: Application
    Filed: June 14, 2021
    Publication date: October 21, 2021
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Toru Yoshizawa, Megumi Numata, Hitoshi Sasaki, So Yamaguchi, Hiroko Murata, Naoka Hironiwa
  • Publication number: 20210246216
    Abstract: The problem to be solved is to provide a humanized anti-IL-6 receptor antibody MRA-containing formulation which is suitable for subcutaneous administration, wherein dimerization or deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and histidine buffer. A method of inhibiting deamidation or dimerization of such an antibody in a concentrated liquid formulation includes histidine buffer in the liquid formulation.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH
  • Patent number: 11008394
    Abstract: The problem to be solved is to provide an antibody-containing formulation which is stable and suited for subcutaneous administration, wherein dimerization and deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and methionine.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 18, 2021
    Assignees: CHUGAI SEIYAKU KABUSHIKI KAISHA, F. HOFFMANN-LA ROCHE AG
    Inventors: Toshiyuki Morichika, Daisuke Kameoka, Yoshimi Imaeda, Terutoshi Maeda, Oliver Boris Stauch
  • Patent number: 10898572
    Abstract: Addition of argininamide or valinamide to a highly concentrated antibody solution was found to lead to remarkable stabilization, in particular, stabilization against photostress.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: January 26, 2021
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Masaya Yasutake
  • Publication number: 20200079857
    Abstract: The problem to be solved is to provide an antibody-containing formulation which is stable and suited for subcutaneous administration, wherein dimerization and deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and methionine.
    Type: Application
    Filed: April 22, 2019
    Publication date: March 12, 2020
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH
  • Patent number: 10316096
    Abstract: The present invention relates to antibody-containing lyophilized formulations free from reducing sugars, non-reducing sugars, sugar alcohols or polysaccharides as excipients and including one or more amino acid selected from the group consisting of arginine, histidine, lysine, serine, proline, glycine, alanine and threonine or a salt thereof.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 11, 2019
    Assignee: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Toshiyuki Morichika, Daisuke Kameoka
  • Publication number: 20170112930
    Abstract: Addition of argininamide or valinamide to a highly concentrated antibody solution was found to lead to remarkable stabilization, in particular, stabilization against photostress.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Inventors: Daisuke KAMEOKA, Masaya Yasutake
  • Patent number: 9574005
    Abstract: Addition of argininamide or valinamide to a highly concentrated antibody solution was found to lead to remarkable stabilization, in particular, stabilization against photostress.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: February 21, 2017
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Daisuke Kameoka, Masaya Yasutake
  • Publication number: 20160090419
    Abstract: The problem to be solved is to provide an antibody-containing formulation which is stable and suited for subcutaneous administration, wherein dimerization and deamidation is prevented during long-term storage. The present application is directed to a stable antibody-containing liquid formulation characterized by containing arginine and methionine.
    Type: Application
    Filed: December 9, 2015
    Publication date: March 31, 2016
    Inventors: Toshiyuki MORICHIKA, Daisuke KAMEOKA, Yoshimi IMAEDA, Terutoshi MAEDA, Oliver Boris STAUCH