Patents by Inventor Jean-Claude Florent
Jean-Claude Florent 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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Patent number: 8883763Abstract: The use of isoquinolones for preparing drugs, including novel isoquinolones as well as their synthesis method. In particular, isoquinolone derivatives used in the treatment of pathological angiogenesis, and more particularly of cancer.Type: GrantFiled: March 1, 2011Date of Patent: November 11, 2014Assignees: Universite Joseph Fourier, Centre National de la Recherche Scientifique, Institut CurieInventors: Andrei Popov, Aurélie Juhem, Jean-Claude Florent, Chi-Hung N'Guyen
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Publication number: 20130096083Abstract: The use of isoquinolones for preparing drugs, including novel isoquinolones as well as their synthesis method. In particular, isoquinolone derivatives used in the treatment of pathological angiogenesis, and more particularly of cancer.Type: ApplicationFiled: March 1, 2011Publication date: April 18, 2013Applicants: UNIVERSITE JOSEPH FOURIER, INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Andrei Popov, Aurelie Juhem, Jean-Claude Florent, Chi-Hung N'Guyen
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Patent number: 8313731Abstract: The invention relates to new compounds for cancer therapy or diagnosis and more specifically to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z(n) wherein n is 0 or 1 and when n is 1, Z is an amino-acid residue devoid of sulfydryl group, or is a polypeptide, Cys is the amino-acid residue for Cysteine, T is a molecule linked by a covalent bound to the S part of Cys, selected in a group comprising: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, Y(m) wherein m is 0 or 1 and when m is 1, Y is a linker between T and Cys, said linker being either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into said cells.Type: GrantFiled: June 13, 2011Date of Patent: November 20, 2012Assignees: Institut Curie, Centre National de la Recherche Scientifique, Institut National de la Sante et de la Recherche Medicale, Universite Pierre et Marie Curie (Paris VI)Inventors: Ludger Johannes, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
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Publication number: 20110243914Abstract: The invention relates to new compounds for cancer therapy or diagnosis and more specifically to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z(n) whrein n is 0 or 1 and when n is 1, Z is an amino-acid residue devoidof sulfydryl group, or is a polypeptide, Cys is the amino-acid residue for Cysteine, T is a molecule linked by a covalent bound to the S part of Cys, selected in a group comprising: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, Y(m) wherein m is 0 or 1 and when m is 1, Y is a linker between T and Cys, said linker being either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into said cells.Type: ApplicationFiled: June 13, 2011Publication date: October 6, 2011Inventors: Ludger JOHANNES, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
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Patent number: 7981400Abstract: The invention relates to new compounds for cancer therapy or diagnosis and more specifically to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z(n) wherein n is 0 or 1 and when n is 1, Z is an amino-acid residue devoid of sulfhydryl group, or is a polypeptide, Cys is the amino-acid residue for Cysteine, T is a molecule linked by a covalent bound to the S part of Cys, selected in a group comprising: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, Y(m) wherein m is 0 or 1 and when m is 1, Y is a linker between T and Cys, said linker being either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into said cells.Type: GrantFiled: March 12, 2010Date of Patent: July 19, 2011Assignees: Institut Curie, Centre National de la Recherche Scientifique, Institut National de la Sante et de la Recherche Medicale, Universite Pierre et Marie Curie (Paris VI)Inventors: Ludger Johannes, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
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Publication number: 20110152252Abstract: The present invention relates to the use of a Shiga toxin B-subunit moiety as carrier for therapeutic agents, for example, anti-cancer agents such as anti-cancer agents that require intracellular uptake to exert their anti-cancer effects. In particular, the present invention provides conjugates comprising a Shiga toxin moiety covalently linked to an anti-cancer agent through a self-immolative spacer, and methods of using such conjugates to increase cellular uptake and/or specificity for cancer cells of the anti-cancer drug. Also provided are methods of treatment involving administration of such conjugates, and pharmaceutical compositions and kits useful for carrying out such methods of treatment.Type: ApplicationFiled: December 18, 2007Publication date: June 23, 2011Applicants: INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Ludger Johannes, Abdessamed El Alaoui, Didier Decaudin, Sylvie Robine, Frederic Schmidt, Jean-Claude Florent
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Publication number: 20100329992Abstract: The invention relates to new compounds for cancer therapy or diagnosis and more specifically to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein STxB is the Shiga Toxin B subunit or a functional equivalent thereof, Z(n) wherein n is 0 or 1 and when n is 1, Z is an amino-acid residue devoid of sulfhydryl group, or is a polypeptide, Cys is the amino-acid residue for Cysteine, T is a molecule linked by a covalent bound to the S part of Cys, selected in a group comprising: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, Y(m) wherein m is 0 or 1 and when m is 1, Y is a linker between T and Cys, said linker being either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into said cells.Type: ApplicationFiled: March 12, 2010Publication date: December 30, 2010Inventors: LUDGER JOHANNES, DAVID GRIERSON, SYLVIE ROBINE, JEAN-CLAUDE FLORENT, PHILIPE MAILLARD, JACKY ROGER
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Patent number: 7728128Abstract: The present invention concerns novel dibenzo[c,h][1,5]naphthyridine of formula (I) and their use as DNA probes, as well as the methods for marking DNA using the same.Type: GrantFiled: February 15, 2007Date of Patent: June 1, 2010Assignees: Institut National de la Sante et de la Recherche Medicate (INSERM), Institut Curie, Centre National de la Recherche Scientifique (C.N.R.S.), Commissariat a l'Energie AtomiqueInventors: Andreï Popov, David Grierson, Jean-Claude Florent
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Patent number: 7718601Abstract: The invention relates to new compounds for cancer therapy or diagnosis and to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein-STxB is the Shiga Toxin B subunit or a functional equivalent thereof, -Z(n) wherein n is 0 or 1, Z is an amino-acid residue devoid of sulfydryl groups, or is a polypeptide, -T is a molecule linked by a covalent bound to the S part of Cys, selected from: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, - Y(m) wherein m is 0 or 1, Y is a linker between T and Cys, which is either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into cells.Type: GrantFiled: February 1, 2005Date of Patent: May 18, 2010Assignees: Institut Curie, Centre National de la Recherche Scientifique, Institut National de la Sante et de la Recherche MedicaleInventors: Ludger Johannes, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
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Publication number: 20090246772Abstract: The present invention concerns novel dibenzo[c,h][1,5]naphthyridine of formula (I) and their use as DNA probes, as well as the methods for marking DNA using the same.Type: ApplicationFiled: February 15, 2007Publication date: October 1, 2009Inventors: Andrei Popov, David Grierson, Jean-Claude Florent
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Publication number: 20090214438Abstract: The present invention relates to methods for the preparation of toxin conjugates that are useful in vaccination and other therapies and diagnostics. In particular, methods are provided that involve a [3+2] cycloaddition between a first reactive unsaturated group on a toxin moiety and a second reactive unsaturated group on a bioactive moiety. Also provided are conjugates that are formed through this conjugation method, pharmaceutical compositions comprising these conjugates, and methods of using these pharmaceutical compositions for the treatment or diagnostic of antigen-related conditions, including tumors and infections.Type: ApplicationFiled: December 18, 2008Publication date: August 27, 2009Applicants: INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRSInventors: Ludger JOHANNES, Baldissera GIOVANI, Michel AZOULAY, Jean-Claude FLORENT
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Publication number: 20060008475Abstract: The invention relates to new compounds for cancer therapy or diagnosis and to the use of a non-toxic B subunit of Shiga toxin mutant as a vector for diagnostic products or drugs in over-expressing Gb3 receptor cells, such compounds having the following formula: STxB-Z(n)-Cys-Y(m)-T wherein—STxB is the Shiga Toxin B subunit or a functional equivalent thereof, —Z(n) wherein n is 0 or 1, Z is an amino-acid residue devoid of sulfydryl groups, or is a polypeptide, —T is a molecule linked by a covalent bound to the S part of Cys, selected from: agents for in vivo diagnosis, cytotoxic agents, prodrugs, or enzymes for the conversion of a prodrug to a drug, —Y(m) wherein m is 0 or 1, Y is a linker between T and Cys, which is either cleavable or not cleavable for the release of T after the internalization of the hybrid compound into cells.Type: ApplicationFiled: February 1, 2005Publication date: January 12, 2006Applicants: INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE, UNIVERSITE PIERRE ET MARIE CURIE (PARIS VI)Inventors: Ludger Johannes, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
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Patent number: 6146658Abstract: Glycosyl-spacer-drugs compounds (prodrugs), their preparation and their use as pharmaceuticals are described.Type: GrantFiled: May 20, 1997Date of Patent: November 14, 2000Assignee: Hoechst AktiengesellschaftInventors: Klaus Bosslet, Jorg Czech, Dieter Hoffmann, Cenek Kolar, Fran.cedilla.ois Tillequin, Jean-Claude Florent, Michel Azoulay, Claude Monneret, Jean-Claude Jacquesy, Jean-Pierre Gesson, Michel Koch
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Patent number: 5955100Abstract: Glycosyl-spacer-drugs compounds (prodrugs), their preparation and their use as pharmaceuticals are described.Type: GrantFiled: May 24, 1995Date of Patent: September 21, 1999Assignees: Behringwerke Aktiengesellschaft, Laboratories Hoechst S/AInventors: Klaus Bosslet, Jorg Czech, Dieter Hoffmann, Cenek Kolar, Fran.cedilla.ois Tillequin, Jean-Claude Florent, Michel Azoulay, Claude Monneret, Jean-Claude Jacquesy, Jean-Pierre Gesson, Michel Koch
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Patent number: 5935995Abstract: Compounds of the formula Iglycosyl-Y?--C(.dbd.Y)--X--!.sub.p --W(R).sub.n --Z--C(.dbd.Y)-active compound (I)are described which are suitable for the treatment of carcinomatous diseases, autoimmune diseases and chronic inflammatory diseases such as rheumatoid arthritis.Type: GrantFiled: March 11, 1997Date of Patent: August 10, 1999Assignee: Heochst AktiengesellschaftInventors: Klaus Bosslet, Jorg Czech, Manfred Gerken, Rainer Straub, Claude Monneret, Jean-Claude Florent, Frederic Schmidt
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Patent number: 5877158Abstract: Substrate-spacer-prodrug compounds (pro-prodrugs) suited for site specific delivery of drugs, a process of preparing them and their use are described.Type: GrantFiled: September 20, 1994Date of Patent: March 2, 1999Assignees: Behringwerke Aktiengesellschaft, Laboratoires Hoechst S/AInventors: Klaus Bosslet, Jorg Czech, Dieter Hoffmann, Fran.cedilla.ois Tillequin, Jean-Claude Florent, Michel Azoulay, Claude Monneret, Jean-Claude Jacquesy, Jean-Pierre Gesson, Michel Koch
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Patent number: 5621002Abstract: Enzymatically clearable prodrugs with reduced Michaelis-Menten constant (Km) are described.Type: GrantFiled: September 9, 1994Date of Patent: April 15, 1997Assignees: Behringwerke Aktiengesellschaft, Laboratoires Hoechst S/AInventors: Klaus Bosslet, J org Czech, Dieter Hoffmann, Andrea Vasella, Roland Hoos, Fran.cedilla.ois Tillequin, Jean-Claude Florent, Michel Azoulay, Claude Monneret, Jean-Claude Jacquesy, Jean-Pierre Gesson, Michel Koch
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Patent number: 5561119Abstract: Glycosylated prodrugs, a preparation method therefor, and their use with tumor-specific immunoenzymatic conjugates for the treatment of cancer, are described. These anthracycline prodrugs have formula (I).Type: GrantFiled: May 27, 1994Date of Patent: October 1, 1996Assignees: Laboratoires Hoechst, Behringwerke A.G.Inventors: Jean-Claude Jacquesy, Jean-Pierre Gesson, Claude Monneret, Martine Mondon, Brigitte Renoux, Jean-Claude Florent, Michel Koch, Fran.cedilla.ois Tillequin, Hans H. Sedlacek, Manfred Gerken, Cenek Kolar, Gilbert Gaudel, Klaus Bosslet, J org Czech, Dieter Hoffman, Gerhard Seemann, Hans-Ulrich Schorlemmer, Gerhard Dickneite
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Patent number: 4918173Abstract: The present invention relates to new tetralins and their use for the preparation of anthracyclinones and anthracyclins. These tetralins contain at least one chiral carbon atom and correspond to the formula (V) below: ##STR1## in which: R.sub.1 and R.sub.2 denote a hydrogen atom, or a halogen atom or the group OCH.sub.3, provided that one of the two substituents (R.sub.1 or R.sub.2) must denote OCH.sub.3, andR.sub.3 denotes a hydrogen atom or the OR' group, R' being hydrogen or a hydroxyl-protecting group. Application: synthesis of glycosides of great therapeutic value.Type: GrantFiled: June 30, 1986Date of Patent: April 17, 1990Assignee: Laboratories Hoechst S.A.Inventors: Claude Monneret, Jean-Claude Florent, Agnes Genot