Patents by Inventor Jean-François Prost
Jean-François Prost 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).
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Publication number: 20230348607Abstract: The present invention relates to a competitive antagonist antibody that specifically binds to AMHR-II, said antibody comprising (a) a heavy chain wherein the variable domain comprises a H-CDR1 having a sequence set forth as SEQ ID NO: 3; a H-CDR2 having a sequence set forth as SEQ ID NO: 4; and a H-CDR3 having a sequence set forth as SEQ ID NO: 5; and (b) a light chain wherein the variable domain comprises at least a CDR selected from the group consisting of a L-CDR1 having a sequence set forth as SEQ ID NO: 8, a L-CDR2 having a sequence set forth as SEQ ID NO: 9; and a L-CDR3 having a sequence set forth as SEQ ID NO: 10. A nucleic acid sequence encoding said antibody, a vector comprising the nucleic acid sequence, a host cell comprising said nucleic acid sequence or vector, an immunoconjugate comprising the said antibody, a pharmaceutical composition comprising the said antibody or immunoconjugate, and the use as a drug of the said antibody, cell or composition is also considered in the present invention.Type: ApplicationFiled: October 23, 2020Publication date: November 2, 2023Inventors: Jean-François PROST, Olivier DUBREUIL, Jean-Marc BARRET, Stéphane DEGOVE
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Publication number: 20230227566Abstract: The present invention relates to a human AMHRII-binding agent for its use for preventing or treating a lung cancer, and especially a non-small call lung cancer (NSCLC), and even more especially a NSCLC selected in a group comprising epidermoid NSCLC, adenocarcinoma NSCLC, large cells NSCLC and squamous cell carcinoma NSCLC and neuroendocrine NSCLC.Type: ApplicationFiled: April 13, 2018Publication date: July 20, 2023Inventors: Jean-Marc BARRET, Jean-François PROST, Mehdi LAHMAR, Stéphane DEGOVE, Olivier DUBREUIL, André NICOLAS, Didier MESEURE
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Publication number: 20230001006Abstract: The present invention relates to an antibody drug conjugate (ADC) of general formula (I) (D-Lk1-C(O)-Lk2-C2H4—NH-Lk3)n-Ab. A pharmaceutical composition comprising, in a pharmaceutically acceptable medium, the said ADC is also concerned by the present invention, as well as the use of this ADC or composition as a medicament, and in particular in the prevention and/or the treatment of an anti-Müllerian hormone type II receptor (AMHRII) expressing cancer in an individual.Type: ApplicationFiled: September 2, 2020Publication date: January 5, 2023Inventors: François D'HOOGE, Jean-Marc BARRET, Jean-François PROST, Olivier DUBREUIL, Mehdi LAHMAR
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Publication number: 20220144959Abstract: The present invention relates to a human AMHRII-binding agent for its use for preventing or treating a cancer selected in a group of cancers comprising colon cancer, liver cancer, hepatocellular carcinoma, testis cancer, thyroid cancer, gastric cancer, gastrointestinal cancer, bladder cancer, pancreatic cancer, head and neck cancer, kidney cancer, liposarcoma, pleuramesothelioma, melanoma, sarcoma, brain cancer, osteocarcinoma and leukemia.Type: ApplicationFiled: November 24, 2021Publication date: May 12, 2022Inventors: Jean-Marc BARRET, Jean-François PROST, Mehdi LAHMAR, Stéphane DEGOVE, Olivier DUBREUIL, André NICOLAS, Didier MESEURE
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Patent number: 11001634Abstract: The present disclosure relates to a neuregulin non competitive allosteric anti-human-HER3 antibody having a human constant region; and less than 65% of the glycan structures carried by the glycosylation site of the antibody comprises a fucose molecule. The antibody is characterized by its variable sequences.Type: GrantFiled: May 2, 2016Date of Patent: May 11, 2021Assignees: GAMAMABS PHARMA, INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE (INSERM), UNIVERSITE DE MONTPELLIER, INSTITUT REGIONAL DU CANCER DE MONTPELLIERInventors: Thierry Chardès, Olivier Dubreuil, André Pelegrin, Christel Larbouret, Jean-François Prost, Jean-Marc Barret, Stéphane Degove
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Publication number: 20200148777Abstract: The present invention relates to a glyco-engineered Fc fragment-bearing compound for its use as an immunosuppression inhibitor in the treatment of a cancer-associated immunosuppression. The invention further relates to a pharmaceutical composition comprising at least this glyco-engineered Fc fragment-bearing compound.Type: ApplicationFiled: May 29, 2018Publication date: May 14, 2020Inventors: Jean-Marc BARRET, Jean-François PROST, Mehdi LAHMAR, Stéphane DEGOVE, Houcine BOUGHERARA, Emmanuel DONNADIEU
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Patent number: 10509035Abstract: This invention relates to antibody drug conjugates (ADC), antibody conjugates (AC) and novel antibodies. Particularly, the ADC, AC and antibodies disclosed herein specifically bind to the human anti-Müllerian hormone type II receptor (AMHR-II) and can be used to treat and/or identify AMHR-II expressing cancers, such as prostate cancer, breast cancer and gynecologic cancers expressing AMHR-II, such as ovarian cancer, in particular metastatic ovarian cancer, serous cancer, hypernephroma, endometrioid, colloidal epithelium, prostate cancer, germ cell cancer, endometrial cancer, mixed Müllerian malignant tumor of the uterus, leiomyosarcoma, or endometrial stromal sarcoma.Type: GrantFiled: August 5, 2016Date of Patent: December 17, 2019Assignee: GAMAMABS PHARMA SAInventors: Olivier Dubreuil, Jean-Marc Barret, Jean-François Prost, Delphine Desigaud
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Publication number: 20190367625Abstract: The present invention relates to a human AMHRII-binding agent for its use for preventing or treating a cancer selected in a group of cancers comprising colon cancer, liver cancer, hepatocellular carcinoma, testis cancer, thyroid cancer, gastric cancer, gastrointestinal cancer, bladder cancer, pancreatic cancer, head and neck cancer, kidney cancer, liposarcoma, pleuramesothelioma, melanoma, sarcoma, brain cancer, osteocarcinoma and leukemia.Type: ApplicationFiled: June 7, 2019Publication date: December 5, 2019Inventors: Jean-Marc BARRET, Jean-François PROST, Mehdi LAHMAR, Stéphane DEGOVE, Olivier DUBREUIL, André NICOLAS, Didier MESURE
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Publication number: 20180155433Abstract: The present disclosure relates to a neuregulin non competitive allosteric anti-human-HER3 antibody having a human constant region; and less than 65% of the glycan structures carried by the glycosylation site of the antibody comprises a fucose molecule. The antibody is characterized by its variable sequences.Type: ApplicationFiled: May 2, 2016Publication date: June 7, 2018Inventors: Thierry CHARDÈS, Olivier DUBREUIL, André PELEGRIN, Christel LARBOURET, Jean-François PROST, Jean-Marc BARRET, Stéphane DEGOVE
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Patent number: 9873745Abstract: The present invention relates to a monoclonal antibody method directed against CD20 antigen including administration of an anti CD20 antibody wherein each of the light chains thereof has the murine-human chimeric amino acid sequence SEQ ID NO: 28, and each of the heavy chains thereof has the murine-human chimeric amino acid sequence SEQ ID NO: 20.Type: GrantFiled: August 17, 2015Date of Patent: January 23, 2018Assignee: LABORATOIRE FRANCAIS DU FRACTIONNEMENT ET DES BIOTECHNOLOGIESInventors: Christophe De Romeuf, Christine Gaucher, Jean-Luc Teillaud, Jean-Francois Prost
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Publication number: 20170035903Abstract: This invention relates to antibody drug conjugates (ADC), antibody conjugates (AC) and novel antibodies. Particularly, the ADC, AC and antibodies disclosed herein specifically bind to the human anti-Müllerian hormone type II receptor (AMHR-II) and can be used to treat and/or identify AMHR-II expressing cancers, such as prostate cancer, breast cancer and gynecologic cancers expressing AMHR-II, such as ovarian cancer, in particular metastatic ovarian cancer, serous cancer, hypernephroma, endometrioid, colloidal epithelium, prostate cancer, germ cell cancer, endometrial cancer, mixed Müllerian malignant tumor of the uterus, leiomyosarcoma, or endometrial stromal sarcoma.Type: ApplicationFiled: August 5, 2016Publication date: February 9, 2017Inventors: OLIVIER DUBREUIL, JEAN-MARC BARRET, JEAN-FRANÇOIS PROST, DELPHINE DESIGAUD
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Publication number: 20160060350Abstract: The present invention relates to a monoclonal antibody directed against the CD20 antigen, wherein the variable region of each of the light chains thereof is encoded by a sequence which shares at least 70% identity with murine nucleic acid sequence SEQ ID No. 5, the variable region of each of the heavy chains thereof is encoded by a sequence which shares at least 70% identity with murine nucleic acid sequence SEQ ID No. 7, and the constant regions of light and heavy chains thereof are constant regions from a non-murine species, as well as for activation of Fc?RIIIA receptors in immune effector cells, and for the manufacture of a drug especially for the treatment of leukaemia or lymphoma.Type: ApplicationFiled: August 17, 2015Publication date: March 3, 2016Applicant: LABORATOIRE FRANCAIS DU FRACTIONNEMENT ET DES BIOTECHNOLOGIESInventors: Christophe DE ROMEUF, Christine GAUCHER, Jean-Luc TEILLAUD, Jean-Francois PROST
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Patent number: 9234045Abstract: The invention is directed to a monoclonal antibody directed against CD20 antigen, for therapeutic administration to humans, wherein each of the light chains of the antibody is encoded by murine-human chimeric nucleic acid sequence SEQ ID No. 27, and each of the heavy chains of the antibody is encoded by murine-human chimeric nucleic acid sequence SEQ ID No. 19. The invention is further directed to methods of in vitro activation of Fc?RIIIA receptors in immune effector cells with the antibody and methods of treating CD20-expressing leukaemia or lymphoma with the antibody.Type: GrantFiled: December 14, 2005Date of Patent: January 12, 2016Assignee: LABORATOIRE FRANCAIS DU FRACTIONNEMENT ET DES BIOTECHNOLOGIESInventors: Christophe De Romeuf, Christine Gaucher, Jean-Luc Teillaud, Jean-François Prost
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Publication number: 20130259801Abstract: A method for purifying serum amyloid P protein from fresh unfrozen plasma, includes recalcifying the fresh unfrozen plasma and separation by phenyl-type hydrophobic interaction chromatography. The serum amyloid P protein is also obtainable by the method and the use thereof for therapeutic treatment purposes. A method for determining amyloid deposits in a tissue or organ of a subject is also provided.Type: ApplicationFiled: December 16, 2011Publication date: October 3, 2013Applicant: LABORATOIRE FRANCAIS DU FRACTIONNEMENT ET DES BIOTECHNOLOGIESInventors: Catherine Chenou, Jean-François Prost
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Publication number: 20090175789Abstract: The present invention relates to a monoclonal antibody raised against the human LDL (Low Density Lipoprotein) receptor, binding to the peptide corresponding to amino acids 195-222 (SEQ ID NO: 1) in the peptide sequence for the human LDL receptor; to the use thereof as a drug; to a pharmaceutical composition containing this antibody; and to the use thereof in immunohistochemical analyses of cancerous, healthy, or cirrhotic tissues, in Western-Blot or ELISA analyses, or in in vivo quantification tests.Type: ApplicationFiled: July 25, 2006Publication date: July 9, 2009Applicant: LFB BiotechnologiesInventors: Christian Behrens, Christine Gaucher, Jean-Francois Prost, Jamila Najib
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Publication number: 20090053233Abstract: The present invention relates to a monoclonal antibody directed against the CD20 antigen, wherein the variable region of each of the light chains thereof is encoded by a sequence which shares at least 70% identity with murine nucleic acid sequence SEQ ID No. 5, the variable region of each of the heavy chains thereof is encoded by a sequence which shares at least 70% identity with murine nucleic acid sequence SEQ ID No. 7, and the constant regions of light and heavy chains thereof are constant regions from a non-murine species, as well as for activation of Fc?RIIIA receptors in immune effector cells, and for the manufacture of a drug especially for the treatment of leukaemia or lymphoma.Type: ApplicationFiled: December 14, 2005Publication date: February 26, 2009Applicant: Laboratoire Francais Du Fractionnement Et Des BiotechnologiesInventors: Christophe De Romeuf, Christine Gaucher, Jean-Luc Teillaud, Jean-Francois Prost