Patents by Inventor David Bechard

David Bechard 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: 20240083963
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof.
    Type: Application
    Filed: July 14, 2023
    Publication date: March 14, 2024
    Inventors: Sebastien Daniel Morisseau, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Béchard
  • Publication number: 20230398185
    Abstract: The present invention relates to an interleukin-2/interleukin-15 receptor ?? (IL-2/IL-15R??) agonist for use in the treatment of non-melanoma skin cancer. Further provided are dosing schemes for treating patients with non-melanoma skin cancer with an IL-2/IL-15R?? agonist.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 14, 2023
    Inventors: Stefano FERRARA, Ulrich MOEBIUS, David BÉCHARD, Irena ADKINS, Nada PODZIMKOVA
  • Publication number: 20230390361
    Abstract: The present invention relates to an interleutkin-2/interleutkin-15 receptor ?? (IL-2/IL-15R??) agonist for use in the treatment of squamous cell carcinoma. Further provided are dosing schemes for treating patients with squamous cell carcinoma with an IL-2/IL-15R?? agonist.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 7, 2023
    Inventors: Stefano FERRARA, Ulrich MOEBIUS, David BÉCHARD, Irena ADKINS, Nada PODZIMKOVA
  • Patent number: 11753454
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: September 12, 2023
    Assignees: Cytune Pharma, INSERM (Institut National de la Santé et de la Recherche Médicale)
    Inventors: Sebastien Daniel Morisseau, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Bechard
  • Publication number: 20230183306
    Abstract: The present invention relates to a pharmaceutical composition for treating a cancer or an infection in a subject by administrating an amount of an IL-15 derivative conjugate so as to induce a proliferation of natural killer cells (NK cells) which is the same or higher than the one obtained with high dose of interleukin-2 (HDIL-2); eventually associated with a pharmaceutically acceptable carrier.
    Type: Application
    Filed: July 29, 2022
    Publication date: June 15, 2023
    Inventors: David Bechard, Nathalie Chaput, Melanie Desbois
  • Publication number: 20220241375
    Abstract: The present invention provides pulsed cyclic administration regimes and pulsed administration regimes for interleukin-2/interleukin-15 receptor ?? (IL-2/IL-15R??) agonists for treating or managing cancer or infectious diseases in human patients. The administration regimes inter alia involve daily administration of IL-2/IL-15R?? agonists on 2, 3 or 4 consecutive days followed by days without administration.
    Type: Application
    Filed: May 20, 2020
    Publication date: August 4, 2022
    Inventors: Ulrich MOEBIUS, David BECHARD, Irena ADKINS, Nada PODZIMKOVA
  • Patent number: 11401312
    Abstract: The present invention relates to a pharmaceutical composition for treating a cancer or an infection in a subject by administrating an amount of an interleukin 15 (IL-15) derivative conjugate so as to induce a proliferation of natural killer cells (NK cells) which is the same or higher than the one obtained with high dose of interleukin-2 (HDIL-2); eventually associated with a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: August 2, 2022
    Assignees: Cytune Pharma, Institut Gustave Roussy (IGR)
    Inventors: David Bechard, Nathalie Chaput, Melanie Desbois
  • Publication number: 20220202904
    Abstract: The present invention relates to a combined pharmaceutical composition, adapted for simultaneous, separate, or sequential administration for treating cancer in a subject comprising (a) a conjugate comprising (i) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and ii) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15R? or derivatives thereof; a polynucleotide coding therefore, or a vector comprising such a polynucleotide; and (b) an antibody antagonizing an immune pathway implicated in the inhibition of T cell activation, or a fragment thereof, a polynucleotide coding therefore, or a vector comprising such a polynucleotide.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Inventors: David Bechard, Nathalie Chaput, Melanie Desbois
  • Publication number: 20220193199
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an immunomodulatory antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and a polypeptide comprising the amino acid sequence of the sushi domain of the IL-15R? or derivatives thereof; and uses thereof.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Inventors: Alain GEY, Eric TARTOUR, David BECHARD
  • Publication number: 20220168395
    Abstract: The present disclosure relates to a combined pharmaceutical composition, adapted for simultaneous, separate, or sequential administration for treating cancer in a subject comprising (a) a conjugate comprising (i) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and ii) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15Ra or derivatives thereof; a polynucleotide coding therefore, or a vector comprising such a polynucleotide; and (b) an antibody antagonizing an immune pathway implicated in the inhibition of T cell activation, or a fragment thereof, a polynucleotide coding therefore, or a vector comprising such a polynucleotide.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 2, 2022
    Inventors: David Bechard, Nathalie Chaput, Melanie Desbois
  • Patent number: 11273204
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an immunomodulatory antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and a polypeptide comprising the amino acid sequence of the sushi domain of the IL-15R? or derivatives thereof; and uses thereof.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: March 15, 2022
    Assignees: CYTUNE PHARMA, UNIVERSITE DE PARIS, ASSISTANCE PUBLIQUE—HOPITAUX DE PARIS, INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE (INSERM)
    Inventors: Alain Gey, Eric Tartour, David Bechard
  • Publication number: 20210147503
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof.
    Type: Application
    Filed: October 12, 2020
    Publication date: May 20, 2021
    Inventors: Sebastien Daniel Morisseau, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Bechard
  • Patent number: 10899816
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: January 26, 2021
    Assignees: INSERM (Institut National De La Santé Et De La Recherche Medicale), Cytune Pharma
    Inventors: Sebastien Daniel Morisseau, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Bechard
  • Publication number: 20210009658
    Abstract: The present invention relates to a method for preparing a composition comprising monomeric conjugates from a sample, said conjugate comprising (a) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and (b) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15R? or derivatives thereof; wherein said method comprises the use of anion-exchange chromatography followed by a hydrophobic interaction chromatography; and to a pharmaceutical composition which can be obtained by such a method.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 14, 2021
    Inventors: David Bechard, Guy De Martynoff
  • Patent number: 10808022
    Abstract: The present invention relates to a method for preparing a composition comprising monomeric conjugates from a sample, said conjugate comprising (a) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and (b) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15R? or derivatives thereof; wherein said method comprises the use of anion-exchange chromatography followed by a hydrophobic interaction chromatography; and to a pharmaceutical composition which can be obtained by such a method.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: October 20, 2020
    Assignee: Cytune Pharma
    Inventors: David Bechard, Guy de Martynoff
  • Patent number: 10626155
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 21, 2020
    Assignees: Cytune Pharma, INSERM (Institut National De La Sante Et De La Recherche Medicale)
    Inventors: Sebastien Daniel Morisseau, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Bechard
  • Publication number: 20180312560
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and (ii) a polypeptide comprising the amino acid sequence of the sushi domain of the interleukin 15R alpha (IL-15R?) or derivatives thereof; and uses thereof
    Type: Application
    Filed: June 19, 2018
    Publication date: November 1, 2018
    Inventors: Sebastien Daniel MORISSEAU, Geraldine TEPPAZ, Yannick Laurent Joseph JACQUES, Bruno Gilbert Marc ROBERT, Guy Luc Michel DE MARTYNOFF, David BECHARD
  • Publication number: 20170056874
    Abstract: The present invention relates to a method for preparing a composition comprising monomeric conjugates from a sample, said conjugate comprising (a) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and (b) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15R? or derivatives thereof; wherein said method comprises the use of anion-exchange chromatography followed by a hydrophobic interaction chromatography; and to a pharmaceutical composition which can be obtained by such a method.
    Type: Application
    Filed: March 3, 2015
    Publication date: March 2, 2017
    Inventors: David BECHARD, Guy DEMARTINOFF
  • Publication number: 20160318986
    Abstract: The present invention relates to an immunocytokine comprising (a) a conjugate, and (b) an antibody or a fragment thereof directly or indirectly linked by covalence to said conjugate, wherein said conjugate comprises (i) a polypeptide comprising the amino acid sequence of the interleukin 15 or derivatives thereof, and a polypeptide comprising the amino acid sequence of the sushi domain of the IL-15R? or derivatives thereof; and uses thereof.
    Type: Application
    Filed: July 19, 2016
    Publication date: November 3, 2016
    Inventors: Sebastien Daniel MORISSEAU, Geraldine Teppaz, Yannick Laurent Joseph Jacques, Bruno Gilbert Marc Robert, Guy Luc Michel De Martynoff, David Bechard
  • Publication number: 20160184399
    Abstract: The present disclosure relates to a combined pharmaceutical composition, adapted for simultaneous, separate, or sequential administration for treating cancer in a subject comprising (a) a conjugate comprising (i) a polypeptide comprising the amino acid sequence of interleukin 15 or derivatives thereof, and ii) a polypeptide comprising the amino acid sequence of the sushi domain of IL-15Ra or derivatives thereof; a polynucleotide coding therefore, or a vector comprising such a polynucleotide; and (b) an antibody antagonizing an immune pathway implicated in the inhibition of T cell activation, or a fragment thereof, a polynucleotide coding therefore, or a vector comprising such a polynucleotide.
    Type: Application
    Filed: August 8, 2014
    Publication date: June 30, 2016
    Inventors: David BECHARD, Nathalie CHAPUT, Melanie DESBOIS