Blood Coagulation Factor Viii, Ahf Patents (Class 530/383)
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Patent number: 11903970Abstract: Apparatus, kit and method embodiments are disclosed herein that provide for the production of a modified autologous platelet mixture at a patient bedside for contemporaneous reinjection to the patient using a platelet lysis apparatus. Representative platelet lysis apparatus may include a housing supporting a sample tube and a thermal mass element connected to or near the sample tube. The thermal mass element may be separable from the housing, and/or the sample tube may be separable from the thermal mass element.Type: GrantFiled: December 23, 2020Date of Patent: February 20, 2024Assignee: Regenexx, LLCInventors: Christopher J. Centeno, Neven Steinmetz, Ian Stemper, Dustin Berger
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Patent number: 11788081Abstract: The present invention relates to methods and cross-linkers for the macrocyclization of proteins. The invention is useful for increasing the stability of a protein.Type: GrantFiled: April 18, 2019Date of Patent: October 17, 2023Assignee: Stichting VUInventors: Tom Norbert Grossmann, Marta Pelay Gimeno, Sven Hennig, Saskia Antonie Neubacher
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Patent number: 11628205Abstract: The present disclosure provides conjugates comprising a Factor VIII moiety covalently attached via an oxime-containing linkage to a water-soluble polymer, such as for example, a polyethylene glycol polymer. Methods for preparing and for administering such conjugates, are also provided, as are water-soluble polymer oxyamine reagents useful for preparing the subject conjugates, among other things.Type: GrantFiled: July 21, 2017Date of Patent: April 18, 2023Assignee: Nektar TherapeuticsInventors: Mary J. Bossard, Dawei Sheng
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Patent number: 11351112Abstract: Methods and dosage formulations are provided for subcutaneous administration in which therapeutic agents are modified to increase the hydrophilicity and molecular dimensions in relation to the native state of the therapeutic agent, in which the Cmax:Caverage ratio is lower than the Cmax:Caverage ratio of the agent when delivered intravenously.Type: GrantFiled: August 30, 2017Date of Patent: June 7, 2022Assignee: Cantab Biopharmaceuticals Patents LimitedInventors: William Henry, Richard Wolf-Garraway, John Charles Mayo, Michael James Earl
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Patent number: 11299533Abstract: The present invention relates to a method for purifying a Factor VIII (FVIII) subspecies from a composition comprising FVIII, said method comprising an anion exchange chromatography step, a size exclusion chromatography step, and a concentration step. The invention also relates to a composition comprising a purified FVIII subspecies.Type: GrantFiled: June 22, 2018Date of Patent: April 12, 2022Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Meinhard Hasslacher, Martin Feichtinger, Philipp M. Bärnthaler, Christa Mayer, Birgit Reipert, Mantas Malisauskas, Julia Anzengruber
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Patent number: 11155635Abstract: The present invention relates to an antibody specifically bound to a coagulation factor VIII or an antigen binding fragment thereof, and a use thereof. More specifically, the present invention relates to: an antibody which is specifically bound to a coagulation factor VIII including specific sequences of heavy chain CDR and light chain CDR, or an antigen binding fragment thereof; a column in which the antibody or the antigen binding fragment thereof is coupled to a column stationary phase as a ligand for isolating or purifying a recombinant coagulation factor VIII; and a method for purifying a recombinant coagulation factor VIII using the same.Type: GrantFiled: December 14, 2017Date of Patent: October 26, 2021Assignee: PANGEN BIOTECH INC.Inventors: Jaeseung Yoon, Kwanghee Baek, Taeho Byun, Jeong Soo Park, Ji Tai Kim, Hankyu Oh, Jongmin Lee
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Patent number: 11020458Abstract: The invention is a proteinaceous construct comprising a Factor VIII molecule which is conjugated to a water-soluble polymer via carbohydrate moieties of Factor VIII, and methods of preparing same.Type: GrantFiled: February 26, 2019Date of Patent: June 1, 2021Assignee: Takeda Pharmaceutical Company LimitedInventors: Peter Turecek, Juergen Siekmann
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Patent number: 10906960Abstract: The present invention relates to modified coagulation factors. In particular, the present invention relates to modied Factor VIII molecules having decreased cellular uptake.Type: GrantFiled: July 6, 2018Date of Patent: February 2, 2021Assignee: SANQUIN BLOOD SUPPLY FOUNDATIONInventors: Henriet Meems, Alexander Benjamin Meijer, Koenraad Mertens, Ole Hvilsted Olsen, Kasper Lamberth, Peder Lisby Noerby, Laust Bruun Johnsen, Marianne Hjortnes Kjalke, Henning Ralf Stennicke, Johannes Jacobus Voorberg, Maartje Van Den Biggelaar
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Patent number: 10836790Abstract: Compositions of the inventive concept provide a therapeutic protein with less than 2% contamination by the therapeutic protein in denatured form. Such compositions provide enhanced specific activity and improved stability on storage and/or in serum than corresponding therapeutic protein preparations resulting from conventional isolation methods.Type: GrantFiled: January 10, 2020Date of Patent: November 17, 2020Assignee: Plasma Technologies, LLCInventors: Eugene Zurlo, Dennis Curtin, Peter Radtke, Kurt L. Brillhart
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Patent number: 10821133Abstract: Systems and methods for acquiring, preserving, and administering delipidated plasma. Extracted delipidated plasma, comprising pre-beta HDL, is obtained and are spot tested to establish baseline amounts or concentrations of pre-beta HDL. The batches are subjected to preservation, stored, and then prepared again for use at some later date. A portion of the batch may be tested again to determine if the pre-beta HDL in the delipidated plasma has degraded or is no longer effective.Type: GrantFiled: December 19, 2018Date of Patent: November 3, 2020Assignee: HDL Therapeutics, Inc.Inventors: Hollis Bryan Brewer, Jr., Michael M. Matin
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Patent number: 10711034Abstract: Provided herein are integrated continuous biomanufacturing processes for producing a therapeutic protein drug substance. Also provided are systems that are capable of continuously producing a therapeutic protein drug substance.Type: GrantFiled: April 21, 2017Date of Patent: July 14, 2020Assignee: Genzyme CorporationInventors: Konstantin Konstantinov, Rahul Godawat, Veena Warikoo, Sujit Jain
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Patent number: 9577311Abstract: The invention relates to an HF resonator comprising a cylindrical cavity made of a dielectric material. An inner face of the cavity has an electrically conductive coating which is divided into a first inner coating and a second inner coating by an electrically insulating gap that encircles a lateral face of the cavity in an annular manner. An outer face of the cavity has an electrically conductive first outer coating and an electrically conductive second outer coating. The first outer coating and the second outer coating are electrically insulated from each other. The HF resonator comprises a device that is provided for applying a high-frequency electric voltage between the first outer coating and the second outer coating.Type: GrantFiled: September 5, 2012Date of Patent: February 21, 2017Assignee: Siemens AktiengesellschaftInventors: Michael Back, Oliver Heid, Michael Kleemann
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Patent number: 9488625Abstract: The present specification discloses methods of eluting a protein from a chromatography column.Type: GrantFiled: December 14, 2011Date of Patent: November 8, 2016Assignees: Baxalta GmbH, Baxalta IncorporatedInventors: Martin Felgenhauer, Helmut Maierhofer, Dominique Mison, Arnaud Desponds
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Patent number: 9453045Abstract: A process of purifying the Growth Factor Protein G-CSF (Granulocyte Colony Stimulating Factor) in a purification sequence employing chromatography, comprising binding the G-CSF to Capto MMC™, which is a multimodal resin that comprises a negatively charged 2-(benzoylamino) butanoic acid ligand, at a pH from 4 to 6.2; and eluting the G-CSF at a pH greater than 6.3.Type: GrantFiled: March 30, 2011Date of Patent: September 27, 2016Assignee: OCTAPHARMA AGInventors: Gustav Gilljam, Stefan Winge, Maya Tiemeyer
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Patent number: 9359397Abstract: The present invention provides a method for manufacturing a virus-free protein drug, comprising (a) a filtration step of filtering a virus-containing protein solution through a small-pore size virus removal membrane to obtain a virus-free protein solution, the filtration step (a) comprising (q) a low-pressure filtration step of filtering the solution through the small-pore size virus removal membrane at a filtration pressure of 0.30 kgf/cm2 or lower to obtain the virus-free protein solution, wherein the solution prior to filtration in the low-pressure filtration step (q) has a pH (X) and a salt ionic strength (Y (mM)) that satisfy the following equations 1 and 5: 0?Y?150X?590 (Equation 1) and 3.5?X?8.0 (Equation 5) or the following equations 4 and 5: Y=0 (Equation 4) and 3.5?X?8.0 (Equation 5).Type: GrantFiled: June 22, 2012Date of Patent: June 7, 2016Assignee: ASAHI KASEI MEDICAL CO., LTD.Inventors: Tomoko Hongo, Hirohisa Hayashida
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Patent number: 9328338Abstract: The invention relates to purification of an intact, non-degraded macromolecule from a biological mixture comprising the macromolecule in the presence of its lytic enzyme. The method comprises providing the biological mixture as a heterogeneous mixture comprising the lytic enzyme, at least partially, in soluble form and the macromolecule, at least partially, in non-soluble form; batch-wise contacting the heterogeneous mixture with an immobilized inhibitor of the lytic enzyme; increasing the solubility of the macromolecule in the mixture; and removing the immobilized inhibitor from the mixture.Type: GrantFiled: June 26, 2012Date of Patent: May 3, 2016Assignee: Omrix Biopharmaceuticals Ltd.Inventors: Roberto Meidler, Nina Raver-Shapira, Liliana Bar, Oleg Belyaev, Israel Nur
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Patent number: 9296799Abstract: A process for isolation and purification of a target protein by chromatography wherein the chromatography removes or depletes prions (PrPSC), comprising the steps of contacting a potentially PrPSC contaminated sample comprising a target protein with a multimodal chromatographic material; setting buffer conditions so that the target protein is bound to the multimodal chromatographic material and whereas PrPSC is not binding to the multimodal chromatographic material; followed by elution of the target protein. a process for isolation and purification of a target protein free of prion protein (prpSC).Type: GrantFiled: August 25, 2008Date of Patent: March 29, 2016Assignee: OCTAPHARMA AGInventors: Gustav Gilljam, Mats Jernberg, Stefan Winge, Andrea Neisser-Svae
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Patent number: 9173248Abstract: An apparatus and method for thawing a product. The apparatus includes a heating chamber, and an electrical control unit. The heating chamber includes a product chamber that holds a product, at least one heating element, each heating element emitting infrared energy in a direction of the product, and at least one temperature sensor, each temperature sensor measuring a surface temperature of the product. The electrical control unit includes a processor that controls and monitors said at least one heating element, and said at least one temperature sensor to raise a temperature of the product from an initial temperature to a set-point temperature, a connection to each heating element, and a connection to each temperature sensor.Type: GrantFiled: March 14, 2011Date of Patent: October 27, 2015Assignee: Products Support, Inc.Inventor: Rodney Warren Baker
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Patent number: 9050318Abstract: The present invention provides methods of administering Factor VIII; methods of administering chimeric and hybrid polypeptides comprising Factor VIII; chimeric and hybrid polypeptides comprising Factor VIII; polynucleotides encoding such chimeric and hybrid polypeptides; cells comprising such polynucleotides; and methods of producing such chimeric and hybrid polypeptides using such cells.Type: GrantFiled: December 6, 2010Date of Patent: June 9, 2015Assignee: Biogen Idec Hemophilia Inc.Inventors: Jennifer A. Dumont, Susan Low, Alan J. Bitonti, Glenn Pierce, Alvin Luk, Haiyan Jiang, Byron McKinney, Matt Ottmer, Jurg Sommer, Karen Nugent, Lian Li, Robert Peters
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Publication number: 20150147345Abstract: This document relates to conjugates of a biologically active molecule or a derivative thereof and functionalized (e.g., mono- or bi-functional) polymers (e.g., polyethylene glycol and related polymers) as well as methods and materials for making and using such conjugates.Type: ApplicationFiled: June 12, 2013Publication date: May 28, 2015Inventor: Marek Kwiatkowski
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Patent number: 9034822Abstract: The present invention relates to antibody molecules against anticoagulants, in particular dabigatran, and their use as antidotes of such anticoagulants.Type: GrantFiled: June 13, 2013Date of Patent: May 19, 2015Assignee: Boehringer Igelheim International GmbHInventors: Joanne Van Ryn, John Edward Park, Norbert Hauel, Ulrich Kunz, Tobias Litzenburger, Keith Canada, Sanjaya Singh, Alisa Waterman
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Patent number: 9018166Abstract: The present invention relates to conjugated Factor VIII variants. The present invention in particular relates to conjugated FVIII variants comprising different polymeric groups as well as use thereof.Type: GrantFiled: February 7, 2011Date of Patent: April 28, 2015Assignee: Novo Nordisk A/SInventors: Carsten Behrens, Jens Buchardt, Magali Zundel
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Publication number: 20150093370Abstract: The present invention provides albumin-binding probes capable of reversibly linking to short-lived amino-containing drugs and non-covalently associating with albumin in-vivo, thereby converting said drugs into inactive reactivable prodrugs having prolonged lifetime in-vivo. The invention further provides conjugates of said probes with amino-containing drugs, as well as pharmaceutical compositions and uses thereof.Type: ApplicationFiled: December 9, 2014Publication date: April 2, 2015Inventors: Yoram SHECHTER, Matityahu FRIDKIN
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Publication number: 20150087593Abstract: The invention describes factor VIII molecules with reduced capacity to elicit activation of NKT cells for use in the treatment of congenital and/or acquired haemophilia A and in bleeding disorders. Said factor VIII molecule is obtainable by: a. identification of at least one NKT cell epitope wherein said epitope comprises hydrophobic aminoacid residues in position P1 and/or P7 b. modification of said epitope(s) by eliminating at least one hydrophobic aminoacid residues in position P1 and/or P7, substituting at least one hydrophobic aminoacid residue in position P1 and/or P7 with a non-hydrophobic residue, or adding a non-hydrophobic residue in position P1 and/or P7.Type: ApplicationFiled: May 21, 2013Publication date: March 26, 2015Inventor: Jean-Marie Saint-Remy
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Publication number: 20150086524Abstract: Methods and dosage formulations are provided for subcutaneous administration in which therapeutic agents are modified to increase the hydrophilicity and molecular dimensions in relation to the native state of the therapeutic agent, in which the Cmax:Caverage ratio is lower than the Cmax:Caverage ratio of the agent when delivered intravenously.Type: ApplicationFiled: April 16, 2013Publication date: March 26, 2015Applicant: CANTAB BIOPHARMACEUTICALS PATENTS LIMITEDInventors: William Henry, Richard Wolf-Garraway, John Charles Mayo, Michael James Earl
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Publication number: 20150080309Abstract: The present invention relates to VWF compounds as well as compositions suitable for treatment of blood clotting diseases.Type: ApplicationFiled: March 13, 2013Publication date: March 19, 2015Inventors: Gert Bolt, Ditte M. Karpf, Frederik Rode, Jesper Haaning, Kirstine Roepstorff, Lars Thim, Maj Petersen, Marianne Kjalke, Ole Hvilsted Olsen, Jens J. Hansen
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Patent number: 8969524Abstract: The present invention is related to peptides that can be used to reduce the immune response against FVIII or to induce tolerance to human FVIII in patients with, e.g., hemophilia A. Furthermore, the peptides can be used for immunodiagnostic purposes to detect FVIII-specific CD4+ T cells to monitor patients with hemophilia A during replacement therapy and during immune tolerance induction therapy.Type: GrantFiled: October 27, 2011Date of Patent: March 3, 2015Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Katharina Nora Steinitz, Paula Maria Wilhelmina van Helden, Birgit Maria Reipert, Hans-Peter Schwarz, Hartmut Ehrlich
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Publication number: 20150045303Abstract: The present invention relates to pharmaceutical compositions suitable for treatment of haemophilia.Type: ApplicationFiled: March 13, 2013Publication date: February 12, 2015Inventors: Gert Bolt, Ditte M. Karpf, Frederik Rode, Jesper Haaning, Kirstine Roepstorff, Lars Thim, Maj Petersen, Marianne Kjalke, Ole Hvilsted Olsen, Peder L. Noerby, Jens J. Hansen
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Publication number: 20150038421Abstract: The present invention relates to compositions comprising factor VIII coagulation factors linked to extended recombinant polypeptide (XTEN), isolated nucleic acids encoding the compositions and vectors and host cells containing the same, and methods of making and using such compositions in treatment of factor VIII-related diseases, disorders, and conditions.Type: ApplicationFiled: June 27, 2014Publication date: February 5, 2015Inventors: Volker SCHELLENBERGER, Pei-Yun Chang, Fatbardha Varfaj, John Kulman, Tongyao Liu, Garabet G. Toby, Haiyan Jiang, Robert Peters, Deping Wang, Baisong Mei, Joshua Silverman, Chia-Wei Wang, Benjamin Spink, Nathan Geething
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Publication number: 20150037301Abstract: The invention relates to a recombinant factor VIII that includes one or more mutations at an interface of A1 and C2 domains of recombinant factor VIII. The one or more mutations include substitution of one or more amino acid residues with either a cysteine or an amino acid residue having a higher hydrophobicity. This results in enhanced stability of factor VIII. Methods for making the recombinant factor VIII, pharmaceutical compositions containing the recombinant factor VIII, and use of the recombinant factor VIII for treating hemophilia A are also disclosed.Type: ApplicationFiled: October 19, 2014Publication date: February 5, 2015Applicant: UNIVERSITY OF ROCHESTERInventors: Philip J. Fay, Hironao Wakabayashi
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Patent number: 8945897Abstract: The invention relates to materials and methods of conjugating a water soluble fatty acid derivative to a therapeutic protein comprising contacting the therapeutic protein with an activated water soluble fatty acid derivative under conditions that allow conjugation.Type: GrantFiled: December 16, 2011Date of Patent: February 3, 2015Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Juergen Siekmann, Richard Sheinecker, Hanspeter Rottensteiner, Peter Turecek
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Patent number: 8940876Abstract: The present disclosure relates to a method for preparing recombinant glycoproteins with high sialic acid content. More specifically, for UDP-GlcNAc 2-epimerase/ManNAc kinase (GNE/MNK) enzyme where point mutation was induced by substituting arginine at position 263 by leucine only or by further substituting arginine at position 266 by glutamine, epimerase activity is constantly maintained, and overexpressed cells thereof experience an increase in intracellular cytidine monophosphate (CMP)-sialic acid content, irrespective of CMP-sialic acid concentration.Type: GrantFiled: February 1, 2011Date of Patent: January 27, 2015Assignee: Korea Advanced Institute of Science and TechnologyInventors: Jung Hoe Kim, Young Dok Son, Jin Young Hwang, Yeon Tae Jeong
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Publication number: 20150023946Abstract: The present invention relates to pharmaceutical preparations comprising Factor VIII, a sulfated glycosaminoglycan and a hyaluronidase for the non-intravenous administration in the therapy and prophylactic treatment of bleeding disorders. The invention further relates to the combined use of a Factor VIII, a sulfated glycosaminoglycan and a hyaluronidase for the treatment and prevention of bleeding disorders, and to a method for increasing the bioavailability after non-intravenous administration of Factor VIII by co-adminstration of a sulfated glycosaminoglycan and a hyaluronidase.Type: ApplicationFiled: October 18, 2012Publication date: January 22, 2015Applicant: CSL BEHRING GMBHInventors: Sabine Zollner, Hubert Metzner
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Publication number: 20150023959Abstract: The present invention provides a VWF fragment comprising the D? domain and D3 domain of VWF, a chimeric protein comprising the VWF fragment and a heterologous moiety, or a chimeric protein comprising the VWF fragment and a FVIII protein and methods of using the same. A polypeptide chain comprising a VWF fragment of the invention binds to or is associated with a polypeptide chain comprising a FVIII protein and the polypeptide chain comprising the VWF fragment can prevent or inhibit binding of endogenous VWF to the FVIII protein. By preventing or inhibiting binding of endogenous VWF to the FVIII, which is a half-life limiting factor for FVIII, the VWF fragment can induce extension of half-life of the FVIII protein. The invention also includes nucleotides, vectors, host cells, methods of using the VWF fragment, or the chimeric proteins.Type: ApplicationFiled: January 12, 2013Publication date: January 22, 2015Applicant: BIOGEN IDEC MA INC.Inventors: Ekta Seth Chhabra, Tongyao Liu, Robert T. Peters, Haiyan Jiang
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Publication number: 20150018525Abstract: Among other aspects, the present invention relates to cell culture conditions for producing high molecular weight vWF, in particular, highly multimericWF with a high specific activity and ADAMTS13 with a high specific activity. The cell culture conditions of the present invention can include, for example, a cell culture medium with an increased copper concentration and/or cell culture supernatant with a low ammonium (NH4+) concentration. The present invention also provides methods for cultivating cells in the cell culture conditions to express high molecular weight vWF and rA13 having high specific activities.Type: ApplicationFiled: July 23, 2014Publication date: January 15, 2015Inventors: Leopold Grillberger, Manfred Reiter, Wolfgang Mundt
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Publication number: 20150010494Abstract: A method of preparing an oxidised polysaccharide-protein conjugate by oxidising a polysaccharide with an oxidising agent to form an oxidised polysaccharide and combining such oxidised polysaccharide with a protein. The oxidised polysaccharide is reacted with a protein to form a composition comprising a conjugate wherein the oxidised polysaccharide and the protein are conjugated via one or more imine bonds and wherein the oxidised polysaccharide comprises essentially no alpha-hydroxy aldehyde units. The conjugate may be used to provide sustained or latent activity of the protein.Type: ApplicationFiled: September 22, 2014Publication date: January 8, 2015Inventors: Gord Adamson, David Bell, Steven Brookes
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Publication number: 20150004667Abstract: The present invention is generally directed to functionalized graphene substrates, methods of making such substrates and methods of using such substrates. In one aspect, the present invention provides a graphene substrate. The substrate comprises edge and non-edge regions, and organic or inorganic molecules are bound to the edge regions of the substrate. The organic or inorganic molecules are present on the substrate edges at a population greater than about one molecule per 10,000 nm.Type: ApplicationFiled: May 23, 2014Publication date: January 1, 2015Applicant: NANOTECH BIOMACHINES, INC.Inventors: Jeffrey Alan McKinney, William Emerson Matinez
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Publication number: 20150005473Abstract: Disclosed is an expression vector system for variants of coagulation Factor VIII (FVIII) and von Willebrand Factor (vWF). In detail, mutant vWF the size of which is significantly reduced by deleting exons but which has remarkably increased FVIII stabilizing and activating efficiency, and an expression vector system useful for the treatment of hemophilia which is capable of expressing the same along with FVIII are disclosed. Use of the mutant vWF with a reduced size enables effective expression of FVIII in a viral vector and significantly enhanced FVIII activity. Further, the viral vector may be effectively used to treat hemophilia through gene therapy.Type: ApplicationFiled: May 30, 2014Publication date: January 1, 2015Applicant: Korea University Industrial & Academic Collaborative FoundationInventors: Sang Yun CHOI, Sang Won PARK
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Publication number: 20140357565Abstract: Provided herein are methods and compositions for producing Factor VIII proteins. Such methods include introducing into a cell a nucleic acid molecule encoding a Factor VIII protein operably linked to a promoter, wherein the promoter is characterized by the ability to produce commercially viable Factor VIII protein; and incubating the cell under conditions for producing commercially viable Factor VIII protein. Also provided are nucleic acid molecules which encode a Factor VIII protein operably linked to a Chinese hamster elongation factor 1-a (CHEF1) promoter, which may be used in the methods provided herein.Type: ApplicationFiled: August 13, 2014Publication date: December 4, 2014Inventors: Randal J. KAUFMAN, Steven W. Pipe, Michael GRIFFITH
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Publication number: 20140357564Abstract: The present invention relates to a polypeptide comprising a modified von Willebrand Factor (VWF) having a higher Factor VIII binding affinity than non-modified VWF, its pharmaceutical use and method of its preparation.Type: ApplicationFiled: February 14, 2013Publication date: December 4, 2014Inventors: Stefan Schulte, Thomas Weimer, Kay Hofmann
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Patent number: 8889831Abstract: Conjugates of a Factor VIII moiety and one or more water-soluble polymers are provided. Typically, the water-soluble polymer is poly(ethylene glycol) or a derivative thereof. Also provided are compositions comprising the conjugates, methods of making the conjugates, and methods of administering compositions comprising the conjugates to a patient.Type: GrantFiled: March 27, 2012Date of Patent: November 18, 2014Assignee: Nektar TherapeuticsInventors: Mary J. Bossard, Michael D. Bentley, Ping Zhang
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Publication number: 20140335051Abstract: The synergistic biomolecule-polymer conjugates are the long-acting, in vivo controlled continuous-release and hybrid synergy systems of biomolecules that provide increased biological activities and enhanced pharmacological properties for achieving greater therapeutic efficacies.Type: ApplicationFiled: July 28, 2014Publication date: November 13, 2014Applicant: PEG Biosciences, Inc.Inventor: Chyi Lee
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Publication number: 20140329994Abstract: The present invention is directed to branched reactive water-soluble polymers comprising at least two polymer arms, such as poly(ethylene glycol), attached to a central aliphatic hydrocarbon core molecule through heteroatom linkages. The branched polymers bear at least one functional group for reacting with a biologically active agent to form a biologically active conjugate. The functional group of the branched polymer can be directly attached to the aliphatic hydrocarbon core or via an intervening linkage, such as a heteroatom, -alkylene-, —O-alkylene-O—, -alkylene-O-alkylene-, -aryl-O—, —O-aryl-, (—O-alkylene-)m, or (-alkylene-O—)m linkage, wherein m is 1-10.Type: ApplicationFiled: July 17, 2014Publication date: November 6, 2014Inventors: Michael D. Bentley, Xuan Zhao, Xiaoming Shen, William D. Battle, III
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Publication number: 20140315815Abstract: The present invention relates to pharmaceutical preparations comprising one or more Factor VIII and a sulfated glycosaminoglycan for increasing the bioavailability of Factor VIII upon non-intravenous administration. The invention further relates to the combined use of Factor VIII and a sulfated glycosaminoglycan for the treatment and prevention of bleeding disorders, whereby the bioavailability of Factor VIII is increased, and to a method for increasing the bioavailability after non-intravenous administration of Factor VIII by coadminstration of a sulfated glycosaminoglycan.Type: ApplicationFiled: October 18, 2012Publication date: October 23, 2014Inventors: Hubert Metzner, Sabine Zollner
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Patent number: 8865868Abstract: The invention relates to conjugated proteins, in particular but not exclusively, blood coagulation factors, to processes for preparing the conjugated proteins which contain the steps of reacting a protein or glycoprotein, such as factor VIIa or human growth hormone, with a water insoluble albumin binder in the presence of an optionally substituted cyclodextrin molecule, to pharmaceutical compositions comprising the protein conjugates and to the use of the protein conjugates in therapy, in particular but not exclusively, for the treatment of diseases alleviated by blood coagulation factors such as the prophylactic treatment of hemophilia.Type: GrantFiled: August 6, 2009Date of Patent: October 21, 2014Assignee: Novo Nordisk Healthcare AGInventors: Carsten Behrens, Patrick William Garibay, Søren Østergaard, Henrik Sune Andersen, Nils Langeland Johansen, Bernd Peschke, Sonja Bak
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Patent number: 8859731Abstract: A method of selectively introducing a substituent into a protein proximal to a binding site on the protein for a homing peptide, comprising: (a) contacting the protein with a compound comprising a homing peptide having the ability to bind to the binding site of the protein; and (b) allowing a moiety on the protein proximal to the binding site to react with the compound comprising the homing peptide, thereby to transfer the substituent G onto the protein.Type: GrantFiled: April 12, 2011Date of Patent: October 14, 2014Assignee: Novo Nordisk A/SInventors: Mikael Kofod-Hansen, Henning Ralf Stennicke, Soeren Oestergaard, Henrik Oestergaard
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Publication number: 20140294762Abstract: The invention includes methods and compositions for remodeling a peptide molecule, including the addition or deletion of one or more glycosyl groups to a peptide, and/or the addition of a modifying group to a peptide.Type: ApplicationFiled: April 7, 2014Publication date: October 2, 2014Applicant: Novo Nordisk A/SInventors: Shawn DeFrees, David A. Zopf, Robert J. Bayer, David James Hakes, Caryn L. Bowe, Xi Chen
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Publication number: 20140295521Abstract: A new use of a molecule comprising at least one moiety which is a biologically active protein and at least one moiety capable of binding to a serum albumin of a mammal is provided, for preparation of a medicament which elicits no or a reduced immune response upon administration to the mammal, as compared to the immune response elicited upon administration to the mammal of the biologically active protein per se. Also provided is a method of reducing or eliminating the immune response elicited upon administration of a biologically active protein to a human or non-human mammal, which comprises coupling the polypeptide to at least one moiety capable of binding to a serum albumin of the mammal.Type: ApplicationFiled: January 21, 2014Publication date: October 2, 2014Applicant: AFFIBODY ABInventor: Nina Herne
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Publication number: 20140274903Abstract: This invention relates to novel compounds, methods for selective chemical conjugation of protractor molecules and the use thereof for diagnostic and/or therapeutic purposes.Type: ApplicationFiled: April 29, 2014Publication date: September 18, 2014Applicant: NOVO NORDISK HEALTHCARE AGInventors: Carsten Behrens, Patrick W. Garibay, Magali Zundel, Niels Kristian Klausen, Soeren Bjoern
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Patent number: 8835388Abstract: The present invention relates to a proteinaceous construct (also designated as polymer-VWF-conjugate) comprising plasmatic and/or recombinant von Willebrand factor (VWF), said VWF being bound to at least one physiologically acceptable polymer molecule, as well as to a complex between said proteinaceous construct and at least one factor VIII (FVIII) protein. The physiologically acceptable polymer molecule can be, for instance, polyethylene glycol (PEG) or polysialic acid (PSA). Further the present invention relates to methods for prolonging the in vivo-half-life of VWF or FVIII in the blood of a mammal having a bleeding disorder associated with functional defects of or deficiencies of at least one of FVIII or VWF.Type: GrantFiled: December 21, 2012Date of Patent: September 16, 2014Assignees: Baxter International Inc., Baxter Healthcare SAInventors: Friedrich Scheiflinger, Peter Turecek, Jueren Siekmann