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).

  • Patent number: 8883763
    Abstract: 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: Grant
    Filed: March 1, 2011
    Date of Patent: November 11, 2014
    Assignees: Universite Joseph Fourier, Centre National de la Recherche Scientifique, Institut Curie
    Inventors: Andrei Popov, Aurélie Juhem, Jean-Claude Florent, Chi-Hung N'Guyen
  • Publication number: 20130096083
    Abstract: 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: Application
    Filed: March 1, 2011
    Publication date: April 18, 2013
    Applicants: UNIVERSITE JOSEPH FOURIER, INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Andrei Popov, Aurelie Juhem, Jean-Claude Florent, Chi-Hung N'Guyen
  • Patent number: 8313731
    Abstract: 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: Grant
    Filed: June 13, 2011
    Date of Patent: November 20, 2012
    Assignees: 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
  • Publication number: 20110243914
    Abstract: 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: Application
    Filed: June 13, 2011
    Publication date: October 6, 2011
    Inventors: Ludger JOHANNES, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
  • Patent number: 7981400
    Abstract: 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: Grant
    Filed: March 12, 2010
    Date of Patent: July 19, 2011
    Assignees: 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
  • Publication number: 20110152252
    Abstract: 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: Application
    Filed: December 18, 2007
    Publication date: June 23, 2011
    Applicants: INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Ludger Johannes, Abdessamed El Alaoui, Didier Decaudin, Sylvie Robine, Frederic Schmidt, Jean-Claude Florent
  • Publication number: 20100329992
    Abstract: 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: Application
    Filed: March 12, 2010
    Publication date: December 30, 2010
    Inventors: LUDGER JOHANNES, DAVID GRIERSON, SYLVIE ROBINE, JEAN-CLAUDE FLORENT, PHILIPE MAILLARD, JACKY ROGER
  • Patent number: 7728128
    Abstract: 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: Grant
    Filed: February 15, 2007
    Date of Patent: June 1, 2010
    Assignees: 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 Atomique
    Inventors: Andreï Popov, David Grierson, Jean-Claude Florent
  • Patent number: 7718601
    Abstract: 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: Grant
    Filed: February 1, 2005
    Date of Patent: May 18, 2010
    Assignees: Institut Curie, Centre National de la Recherche Scientifique, Institut National de la Sante et de la Recherche Medicale
    Inventors: Ludger Johannes, David Grierson, Sylvie Robine, Jean-Claude Florent, Philipe Maillard, Jacky Roger
  • Publication number: 20090246772
    Abstract: 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: Application
    Filed: February 15, 2007
    Publication date: October 1, 2009
    Inventors: Andrei Popov, David Grierson, Jean-Claude Florent
  • Publication number: 20090214438
    Abstract: 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: Application
    Filed: December 18, 2008
    Publication date: August 27, 2009
    Applicants: INSTITUT CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS
    Inventors: Ludger JOHANNES, Baldissera GIOVANI, Michel AZOULAY, Jean-Claude FLORENT
  • Publication number: 20060008475
    Abstract: 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: Application
    Filed: February 1, 2005
    Publication date: January 12, 2006
    Applicants: 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
  • Patent number: 6146658
    Abstract: Glycosyl-spacer-drugs compounds (prodrugs), their preparation and their use as pharmaceuticals are described.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: November 14, 2000
    Assignee: Hoechst Aktiengesellschaft
    Inventors: 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
  • Patent number: 5955100
    Abstract: Glycosyl-spacer-drugs compounds (prodrugs), their preparation and their use as pharmaceuticals are described.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 21, 1999
    Assignees: Behringwerke Aktiengesellschaft, Laboratories Hoechst S/A
    Inventors: 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
  • Patent number: 5935995
    Abstract: 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: Grant
    Filed: March 11, 1997
    Date of Patent: August 10, 1999
    Assignee: Heochst Aktiengesellschaft
    Inventors: Klaus Bosslet, Jorg Czech, Manfred Gerken, Rainer Straub, Claude Monneret, Jean-Claude Florent, Frederic Schmidt
  • Patent number: 5877158
    Abstract: Substrate-spacer-prodrug compounds (pro-prodrugs) suited for site specific delivery of drugs, a process of preparing them and their use are described.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: March 2, 1999
    Assignees: Behringwerke Aktiengesellschaft, Laboratoires Hoechst S/A
    Inventors: 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
  • Patent number: 5621002
    Abstract: Enzymatically clearable prodrugs with reduced Michaelis-Menten constant (Km) are described.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: April 15, 1997
    Assignees: Behringwerke Aktiengesellschaft, Laboratoires Hoechst S/A
    Inventors: 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
  • Patent number: 5561119
    Abstract: 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: Grant
    Filed: May 27, 1994
    Date of Patent: October 1, 1996
    Assignees: 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
  • Patent number: 4918173
    Abstract: 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: Grant
    Filed: June 30, 1986
    Date of Patent: April 17, 1990
    Assignee: Laboratories Hoechst S.A.
    Inventors: Claude Monneret, Jean-Claude Florent, Agnes Genot