Patents by Inventor Jürgen Frevert
Jürgen Frevert 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: 11952601Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting an increased duration of effect without a delayed onset of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a domain consisting of proline, alanine, serine, threonine, glycine and glutamate residues, and the methods comprise the steps of inserting a nucleic acid sequence coding for said domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising said domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with an increased duration of effect without a delayed onset of effect.Type: GrantFiled: June 20, 2017Date of Patent: April 9, 2024Assignee: MERZ PHARMA GMBH & CO. KGAAInventors: Fred Hofmann, Marcel Jurk, Manuela López De La Paz, Daniel Scheps, Jürgen Frevert
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Patent number: 11357821Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: GrantFiled: December 9, 2019Date of Patent: June 14, 2022Assignee: MERZ PHARMA GMBH & CO. KGAAInventors: Juergen Frevert, Fred Hofmann, Michael Schmidt, Manuela López De La Paz, Daniel Scheps
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Publication number: 20220010294Abstract: This invention relates to novel recombinant botulinum neurotoxins serotype A exhibiting both (i) an increased duration of effect and (ii) a high specific biological activity. These novel recombinant botulinum neurotoxins comprise at least two additional domains consisting of proline, alanine and an additional amino acid residue and at least one amino acid modification which is located at the alpha-exosite or at the beta-exosite of the light chain of the neurotoxin. The invention further relates to novel recombinant single-chain precursor botulinum neurotoxins and compositions comprising the recombinant botulinum neurotoxin with an increased duration of effect and a high specific biological activity.Type: ApplicationFiled: September 23, 2021Publication date: January 13, 2022Applicant: MERZ PHARMA GMBH & CO. KGAAInventors: Jürgen FREVERT, Fred HOFMANN, Marcel JURK, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS
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Patent number: 11155802Abstract: This invention relates to novel recombinant botulinum neurotoxins serotype A exhibiting both (i) an increased duration of effect and (ii) a high specific biological activity. These novel recombinant botulinum neurotoxins comprise at least two additional domains consisting of proline, alanine and an additional amino acid residue and at least one amino acid modification which is located at the alpha-exosite or at the beta-exosite of the light chain of the neurotoxin. The invention further relates to novel recombinant single-chain precursor botulinum neurotoxins and compositions comprising the recombinant botulinum neurotoxin with an increased duration of effect and a high specific biological activity.Type: GrantFiled: July 6, 2017Date of Patent: October 26, 2021Assignee: MERZ PHARMA GMBH & CO. KGAAInventors: Jürgen Frevert, Fred Hofmann, Marcel Jurk, Manuela López De La Paz, Daniel Scheps
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Patent number: 11078472Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise (i) at least two random coil domains, or (ii) at least two domains having a polyproline II helix conformation, and the methods comprise the steps of inserting at least two nucleic acid sequences each coding for (i) a random coil domain, or (ii) a domain having a polyproline II helix conformation, into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising (i) the random coil domain-coding sequences, or (ii) the sequences encoding the domains having a polyproline II helix conformation in a host cell.Type: GrantFiled: January 19, 2017Date of Patent: August 3, 2021Assignee: Merz Pharma GmbH & Co., KGaAInventors: Fred Hofmann, Marcel Jurk, Manuela López De La Paz, Daniel Scheps, Jürgen Frevert
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Publication number: 20210008156Abstract: The invention relates to novel recombinant single-chain precursor botulinum neurotoxins serotype A comprising at least one additional domain and least one amino acid modification of the heavy chain of the neurotoxin. The novel recombinant single-chain precursor botulinum neurotoxins further comprises at least one cleavage site for a protease selected from the group consisting of thrombin, HRV3C, Tobacco Etch Vims protease, enterokinase and factor Xa. The invention further relates to novel recombinant botulinum neurotoxins serotype A exhibiting an increased duration of effect.Type: ApplicationFiled: October 26, 2017Publication date: January 14, 2021Inventors: Jürgen FREVERT, Fred HOFMANN, Marcel JURK, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS
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Publication number: 20200354706Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting an increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise at least one domain wherein said domain comprises an amino acid sequence consisting of at least 50 amino acid residues, wherein said amino acid sequence consists of at least one proline and at least one alanine residue. The invention relates also to novel recombinant clostridial neurotoxins comprising at least one domain wherein said domain comprises an amino acid sequence consisting of at least 50 amino acid residues, wherein said domain comprises a plurality of specific amino acid repeats consisting of proline, alanine and tyrosine residues, or proline, alanine and glutamine residues, or proline, alanine and threonine residues.Type: ApplicationFiled: November 22, 2017Publication date: November 12, 2020Applicant: MERZ PHARMA GMBH & CO. KGAAInventors: Jürgen FREVERT, Fred HOFMANN, Marcel JURK, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS
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Publication number: 20200129587Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: ApplicationFiled: December 9, 2019Publication date: April 30, 2020Inventors: Juergen FREVERT, Fred HOFMANN, Michael SCHMIDT, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS
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Publication number: 20200131494Abstract: This invention relates to novel recombinant botulinum neurotoxins serotype A exhibiting both (i) an increased duration of effect and (ii) a high specific biological activity. These novel recombinant botulinum neurotoxins comprise at least two additional domains consisting of proline, alanine and an additional amino acid residue and at least one amino acid modification which is located at the alpha-exosite or at the beta-exosite of the light chain of the neurotoxin. The invention further relates to novel recombinant single-chain precursor botulinum neurotoxins and compositions comprising the recombinant botulinum neurotoxin with an increased duration of effect and a high specific biological activity.Type: ApplicationFiled: July 6, 2017Publication date: April 30, 2020Applicant: MERZ PHARMA GMBH & CO. KGAAInventors: Jürgen FREVERT, Fred HOFMANN, Marcel JURK, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS
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Patent number: 10603353Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: GrantFiled: June 10, 2016Date of Patent: March 31, 2020Assignee: Merz Pharma GmbH & Co. KGaAInventors: Jürgen Frevert, Fred Hofmann, Michael Schmidt, Manuela López De La Paz, Daniel Scheps
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Publication number: 20200048624Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting an increased duration of effect without a delayed onset of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a domain consisting of proline, alanine, serine, threonine, glycine and glutamate residues, and the methods comprise the steps of inserting a nucleic acid sequence coding for said domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising said domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with an increased duration of effect without a delayed onset of effect.Type: ApplicationFiled: June 20, 2017Publication date: February 13, 2020Applicant: MERZ PHARMA GMBH & CO. KGAAInventors: Fred HOFMANN, Marcel JURK, Manuela LÓPEZ DE LA PAZ, Daniel SCHEPS, Jürgen FREVERT
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Publication number: 20180327730Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise (i) at least two random coil domains, or (ii) at least two domains having a polyproline II helix conformation, and the methods comprise the steps of inserting at least two nucleic acid sequences each coding for (i) a random coil domain, or (ii) a domain having a polyproline II helix conformation, into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising (i) the random coil domain-coding sequences, or (ii) the sequences encoding the domains having a polyproline II helix conformation in a host cell.Type: ApplicationFiled: January 19, 2017Publication date: November 15, 2018Inventors: Fred Hofmann, Marcel Jurk, Manuela López De La Paz, Daniel Scheps, Jürgen Frevert
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Publication number: 20180169182Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: ApplicationFiled: June 10, 2016Publication date: June 21, 2018Inventors: Jürgen Frevert, Fred Hofmann, Michael Schmidt, Manuela López De La Paz, Daniel Scheps
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Patent number: 9975929Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: GrantFiled: March 4, 2015Date of Patent: May 22, 2018Assignee: MERZ PHARMA GmbH & CO. KGaAInventors: Jürgen Frevert, Fred Hofmann, Michael Schmidt
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Patent number: 9827298Abstract: The present invention relates to the pharmaceutical field. Specifically, it contemplates a polynucleotide encoding a Neurotoxin polypeptide exhibiting a reduced duration of biological effect in a subject, wherein the polypeptide comprises at feast one degradation signal in the light chain as well as vectors and host calls comprising the polynucleotide, polypeptides encoded thereby and antibodies specifically binding to the polypeptides. Moreover, the invention relates to medicaments comprising the polynucleotides and polypeptides as well as specific therapeutic applications thereof. Furthermore, the present invention contemplates methods for the manufacture of the polypeptides and medicaments.Type: GrantFiled: November 3, 2016Date of Patent: November 28, 2017Assignee: MERZ PHARMA GmbH & CO. KGaAInventors: Fred Hofmann, Jürgen Frevert
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Publication number: 20170072030Abstract: The present invention relates to the pharmaceutical field. Specifically, it contemplates a polynucleotide encoding a Neurotoxin polypeptide exhibiting a reduced duration of biological effect in a subject, wherein the polypeptide comprises at feast one degradation signal in the light chain as well as vectors and host calls comprising the polynucleotide, polypeptides encoded thereby and antibodies specifically binding to the polypeptides. Moreover, the invention relates to medicaments comprising the polynucleotides and polypeptides as well as specific therapeutic applications thereof. Furthermore, the present invention contemplates methods for the manufacture of the polypeptides and medicaments.Type: ApplicationFiled: November 3, 2016Publication date: March 16, 2017Inventors: Fred HOFMANN, Jürgen Frevert
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Publication number: 20170058006Abstract: This invention relates to novel recombinant clostridial neurotoxins exhibiting increased duration of effect and to methods for the manufacture of such recombinant clostridial neurotoxins. These novel recombinant clostridial neurotoxins comprise a random coil domain, and the methods comprise the steps of inserting a nucleic acid sequence coding for a random coil domain into a nucleic acid sequence coding for a parental clostridial neurotoxin and expression of the recombinant nucleic acid sequence comprising the random coil domain-coding sequence in a host cell. The invention further relates to novel recombinant single-chain precursor clostridial neurotoxins used in such methods, nucleic acid sequences encoding such recombinant single-chain precursor clostridial neurotoxins, and pharmaceutical compositions comprising the recombinant clostridial neurotoxin with increased duration of effect.Type: ApplicationFiled: March 4, 2015Publication date: March 2, 2017Inventors: Jürgen FREVERT, Fred HOFMANN, Michael SCHMIDT
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Patent number: 9186396Abstract: The invention relates to a modified botulinum toxin comprising a natural heavy chain and a modified light chain, characterized in that the modification of the light chain resides in that it comprises (i) an extension of the chain on its N-terminus which has the structure -(C)n-(tag)m-(X)l- in the direction from the N- to the C-terminal end, wherein C represents a cysteine residue, tag represents any tag and X represents the residue of any naturally occurring amino acid, n represents an integer from 1 to 50, m represents 0 or 1, and l represents 0 or an integer from 1 to 50, and in that (ii) at least one of the cysteine residues in the extension of the chain is coupled to at least one chain of PEG.Type: GrantFiled: November 11, 2014Date of Patent: November 17, 2015Assignee: MERZ PHARMA GMBH & CO. KGAAInventors: Jürgen Frevert, Volker Specht
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Publication number: 20150166977Abstract: The invention relates to a modified botulinum toxin comprising a natural heavy chain and a modified light chain, characterized in that the modification of the light chain resides in that it comprises (i) an extension of the chain on its N-terminus which has the structure -(C)n-(tag)m-(X)l- in the direction from the N- to the C-terminal end, wherein C represents a cysteine residue, tag represents any tag and X represents the residue of any naturally occurring amino acid, n represents an integer from 1 to 50, m represents 0 or 1, and l represents 0 or an integer from 1 to 50, and in that (ii) at least one of the cysteine residues in the extension of the chain is coupled to at least one chain of PEG.Type: ApplicationFiled: November 11, 2014Publication date: June 18, 2015Inventors: Jürgen FREVERT, Volker SPECHT
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Patent number: 8912140Abstract: The invention relates to a modified botulinum toxin comprising a natural heavy chain and a modified light chain, characterized in that the modification of the light chain resides in that it comprises (i) an extension of the chain on its N-terminus which has the structure —(C)n-(tag)m-(X)l— in the direction from the N- to the C-terminal end, wherein C represents a cysteine residue, tag represents any tag and X represents the residue of any naturally occurring amino acid, n represents an integer from 1 to 50, m represents 0 or 1, and l represents 0 or an integer from 1 to 50, and in that (ii) at least one of the cysteine residues in the extension of the chain is coupled to at least one chain of PEG.Type: GrantFiled: September 21, 2012Date of Patent: December 16, 2014Assignee: Merz Pharma GmbH & Co. KGaAInventors: Jürgen Frevert, Volker Specht