MOMENTA PHARMACEUTICALS, INC. Patent applications |
Patent application number | Title | Published |
20160129028 | PHARMACEUTICAL COMPOSITIONS - Described herein are pharmaceutical compositions comprising a LMWH preparation having at least one chain having a glycol split uronic acid residue (UG) in the preparation and uses thereof. | 05-12-2016 |
20160097074 | DEFINED GLYCOPROTEIN PRODUCTS AND RELATED METHODS - The invention provides methods, databases and systems for making glycoprotein products having defined properties. | 04-07-2016 |
20150368317 | METHODS RELATED TO CTLA4-FC FUSION PROTEINS - The present disclosure provides, in part, methods for evaluating, identifying, and/or producing (e.g., manufacturing) a CTLA4-Fc fusion protein, e.g., abatacept. In some instances, methods herein allow highly resolved evaluation of abatacept useful for, inter alia, manufacturing abatacept, characterizing abatacept, identifying and/or confirming abatacept, monitoring the structure of abatacept, comparing abatacept preparations made over time or made under different conditions, and/or controlling the structure of abatacept. | 12-24-2015 |
20150252108 | GLYCOPROTEIN PREPARATIONS - Preparations of glycoproteins, e.g., therapeutic preparations of glycoproteins, having altered levels of affinity for Fcγ receptors relative to reference glycoprotein preparations, and methods of making and methods of using such preparations, are described. | 09-10-2015 |
20150246974 | METHODS RELATED TO DENOSUMAB - The present invention relates to the characterization and production of denosumab. | 09-03-2015 |
20150210753 | GLYCOPROTEINS WITH ANTI-INFLAMMATORY PROPERTIES - Glycoproteins having particular sialylation patterns, and methods of making and using such glycoproteins, are described. | 07-30-2015 |
20150204884 | METHODS OF EVALUATING AND MAKING BIOLOGICS - Methods of making and evaluating antibody biological therapeutics (biosimilars) for adalimumab, rituximab and panitumumab are disclosed. | 07-23-2015 |
20150140608 | METHODS RELATED TO OMALIZUMAB - The present invention relates to the characterization and production of omalizumab. | 05-21-2015 |
20150125848 | METHODS RELATED TO ALEMTUZUMAB - The present invention relates to the characterization and production of alemtuzumab. | 05-07-2015 |
20140274912 | METHODS OF CELL CULTURE - Polypeptide preparations having target levels of glycans, and methods of producing such polypeptide preparations using putrescine, are described. | 09-18-2014 |
20140274911 | METHODS OF CELL CULTURE - Polypeptide preparations having target levels of glycans, and methods of producing such polypeptide preparations using ammonium and/or lysine, are described. | 09-18-2014 |
20140273057 | METHODS OF CELL CULTURE - Polypeptide preparations having target levels of glycans, and methods of producing such polypeptide preparations using DMSO, are described. | 09-18-2014 |
20140271622 | METHODS OF CELL CULTURE - Polypeptide preparations having target levels of glycans, and methods of producing such polypeptide preparations using copper, are described. | 09-18-2014 |
20140200339 | SACCHARIDE STRUCTURES AND METHODS OF MAKING AND USING SUCH STRUCTURES - Described are oligosaccharides having a protecting group at two, a plurality, a majority of, or each position in the oligosaccharide which is amenable to derivatization. Collections, libraries and methods of making and using such oligosaccharides are also described. | 07-17-2014 |
20140142286 | CELL CULTURE PROCESS - A method for producing recombinant polypeptides, including antibodies, having targeted levels of carboxyl terminal (C-terminal) lysine or arginine residues is presented. The method involves culturing cells expressing said polypeptides in cell culture medium having sufficient levels of lysine, arginine, and/or agents that change intracellular pH. Culturing the cells under such conditions does not affect cell growth, cell viability, or titer. | 05-22-2014 |
20140127735 | CHARACTERIZATION OF N-GLYCAN MIXTURES BY NUCLEAR MAGNETIC RESONANCE - The present disclosure provides nuclear magnetic resonance (NMR) methods for characterizing mixtures of N-linked glycans. Without limitation, methods of the present disclosure may be useful in characterizing monosaccharide composition, branching, fucosylation, sulfation, phosphorylation, sialylation linkages, presence of impurities and/or efficiency of a labeling procedure (e.g., labeling with a fluorophore such as 2-AB). In certain embodiments, the methods can be used quantitatively. In certain embodiments, the methods can be combined with enzymatic digestion to further characterize glycan mixtures. | 05-08-2014 |
20140120583 | CELL CULTURE PROCESS - Polypeptides having target levels of C-terminal variants are described. | 05-01-2014 |
20140114056 | EVALUATING HEPARIN PREPARATIONS - Methods of evaluating heparin preparations, e.g., for suitability for use as a drug or for use in making a drug, by determining the absence, presence or amount of a structural signature, wherein, e.g., the structural signature is indicative of the methods used to make the heparin preparation. | 04-24-2014 |
20140112910 | MODIFIED GLYCOPROTEINS - Sulfated glycoproteins, and methods of making and using such sulfated glycoproteins, are described. | 04-24-2014 |
20140087392 | GLYCOSYL TRANSFERASE FROM CHINESE HAMSTER AND RELATED METHODS - A glycosyl transferase from Chinese hamster and related methods are described. | 03-27-2014 |
20140065716 | MULTI-DIMENSIONAL CHROMATOGRAPHIC METHODS FOR SEPARATING N-GLYCANS - A multi-dimensional chromatographic method for the separation of N-glycans. The method comprises providing a glycan preparation that includes at least one negatively charged N-glycan. The glycan preparation is then separated by anion-exchange chromatography and at least one secondary chromatographic technique. | 03-06-2014 |
20140065652 | ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS - Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard. | 03-06-2014 |
20140057358 | ANALYSIS OF SULFATED POLYSACCHARIDES - The invention relates to methods and products associated with analyzing and monitoring heterogeneous populations of sulfated polysaccharides. In particular therapeutic heparin products including low molecular weight heparin products and methods of analyzing and monitoring these products are described. | 02-27-2014 |
20140051830 | In-Process Control for the Manufacture of Glatiramer Acetate - The present disclosure provides methods for manufacturing or producing glatiramer acetate having a Mp of 5000-9000 Da. These methods include: polymerizing N-carboxy anhydrides of L-alanine, benzyl-protected L-glutamic acid, trifluoroacetic acid (TFA)-protected L-lysine, and L-tyrosine to generate a sample comprising intermediate-1; treating the sample comprising intermediate-1 to partially depolymerize the protected copolymer and deprotect benzyl-protected L-glutamic acid, measuring the viscosity of the sample comprising intermediate-1 during the treatment, and ending the treatment when the viscosity of the sample is within an endpoint range, thereby generating a sample comprising intermediate-2; treating the sample comprising intermediate-2 to deprotect TFA-protected L-lysine, thereby generating intermediate-3; further processing the intermediate-3 to generate a sample glatiramer acetate; and purifying the glatiramer acetate to generate a composition comprising purified glatiramer acetate having a Mp of 5000-9000 Da. | 02-20-2014 |
20140046024 | EVALUATION OF COPOLYMER DIETHYLAMIDE - Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample. | 02-13-2014 |
20140045740 | ANALYSIS OF GLATIRAMER ACETATE - The present disclosure relates to methods for assessing molecular weight characteristics of glatiramer acetate using SEC-MALS. | 02-13-2014 |
20140045212 | GAL ALPHA 1-3GAL-CONTAINING N-GLYCANS IN GLYCOPROTEIN PRODUCTS DERIVED FROM CHO CELLS - The present invention provides methods of evaluating CHO cells. | 02-13-2014 |
20140045204 | EVALUATION OF COPOLYMER DIETHYLAMIDE - Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample. | 02-13-2014 |
20140031315 | POLYSACCHARIDE COMPOSITIONS AND METHODS OF USE FOR THE TREATMENT AND PREVENTION OF DISORDERS ASSOCIATED WITH PROGENITOR CELL MOBILIZATION - Polysaccharide preparations lacking substantial anticoagulant activity are provided herein. Methods of making and using such preparations are provided. | 01-30-2014 |
20140024602 | POLYSACCHARIDE COMPOSITIONS AND METHODS OF USE FOR THE TREATMENT AND PREVENTION OF DISORDERS ASSOCIATED WITH PROGENITOR CELL MOBILIZATION - Polysaccharide preparations lacking substantial anticoagulant activity are provided herein. Methods of making and using such preparations are provided. | 01-23-2014 |
20130231255 | HIGH MANNOSE GLYCANS - Methods and compositions related to high mannose glycans are described. | 09-05-2013 |
20130210054 | Amino Acid Copolymer Assay - The present disclosure relates to polarized type 2 T helper (Th2) cells and methods for using such cells in the assessment of antigenic compositions. | 08-15-2013 |
20130184180 | CHARACTERIZATION OF N-GLYCANS USING EXOGLYCOSIDASES - The present disclosure provides methods for analyzing structure and/or composition of N-glycans. Such methods often involve digestion of N-glycans with multiple exoglycosidases. In some embodiments, N-glycans are digested with multiple exoglycosidases simultaneously. In some embodiments, N-glycans are digested with multiple exoglycosidases sequentially. In some embodiments, methods in accordance with the present disclosure involve comparison of cleavage products of N-glycans that have been digested with multiple exoglycosidases simultaneously to N-glycans that have been digested with multiple exoglycosidases sequentially. | 07-18-2013 |
20130183254 | METHODS AND COMPOSITIONS FOR PROMOTING HAIR GROWTH - Methods and compositions related to promoting hair growth are described. | 07-18-2013 |
20130177992 | EVALUATING HEPARIN PREPARATIONS FOR PHARMACEUTICAL USE - The disclosure features methods of analyzing preparations of heparin, and materials derived from heparin using strong anion exchange high performance liquid chromatography (SAX-HPLC). | 07-11-2013 |
20130156698 | TISSUE TARGETING - Methods and compositions related to targeting agents to tumor tissue are described. | 06-20-2013 |
20130123126 | SELECTION AND USE OF HOST CELLS FOR PRODUCTION OF GLYCOPROTEINS - A method of making a glycoprotein having a selected glycostructure. | 05-16-2013 |
20130095515 | ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS - Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard. | 04-18-2013 |
20130069645 | CHARACTERIZATION OF N-GLYCAN MIXTURES BY NUCLEAR MAGNETIC RESONANCE - The present disclosure provides nuclear magnetic resonance (NMR) methods for characterizing mixtures of N-linked glycans. Without limitation, methods of the present disclosure may be useful in characterizing monosaccharide composition, branching, fucosylation, sulfation, phosphorylation, sialylation linkages, presence of impurities and/or efficiency of a labeling procedure (e.g., labeling with a fluorophore such as 2-AB). In certain embodiments, the methods can be used quantitatively. In certain embodiments, the methods can be combined with enzymatic digestion to further characterize glycan mixtures. | 03-21-2013 |
20130041176 | STRUCTURE ASSESSMENT OF HETEROGENEOUS POLYPEPTIDE MIXTURE - Methods of analyzing glatiramer acetate (GA) to assess secondary structure, for example, alpha helical content and/or random coil content thereof are provided as are methods for preparing a composition comprising GA and methods for identifying a copolymer as GA. | 02-14-2013 |
20130029365 | MULTI-DIMENSIONAL CHROMATOGRAPHIC METHODS FOR SEPARATING N-GLYCANS - A multi-dimensional chromatographic method for the separation of N-glycans. The method comprises providing a glycan preparation that includes at least one negatively charged N-glycan. The glycan preparation is then separated by anion-exchange chromatography and at least one secondary chromatographic technique. | 01-31-2013 |
20120322760 | METHODS OF TREATMENT WITH A LOW MOLECULAR WEIGHT HEPARIN COMPOSITION - Methods of identifying and selecting subjects for treatment with a low molecular weight heparin (LMWH) composition are provided. Methods of treatment with the LMWH compositions are also provided. | 12-20-2012 |
20120289415 | METHODS AND PRODUCTS RELATED TO THE IMPROVED ANALYSIS OF CARBOHYDRATES - The invention relates, in part, to the improved analysis of carbohydrates. In particular, the invention relates to the analysis of carbohydrates, such as N-glycans and O-glycans found on proteins and saccharides attached to lipids. Improved methods, therefore, for the study of glycosylation patterns on cells, tissue and body fluids are also provided. Information from the analysis of glycans, such as the glycosylation patterns on cells, tissues and in body fluids, can be used in diagnostic and treatment methods as well as for facilitating the study of the effects of glycosylation/altered glycosylation. Such methods are also provided. Methods are further provided to assess production processes, to assess the purity of samples containing glycoconjugates, and to select glycoconjugates with the desired glycosylation. | 11-15-2012 |
20110306075 | METHODS RELATED TO MODIFIED GLYCANS - Among other things, the present disclosure provides methods for enriching, identifying, and/or quantifying unusually modified glycans (e.g., phosphorylated glycans, sulfated glycans, and/or multi-acetylated glycans). In many embodiments, methods comprise providing a glycan preparation from which sialic acids have been released; subjecting the sialidase-treated glycan preparation to a separation technique that separates glycans based on charge-to-mass ratio; and quantifying the charged products using at least one quantification standard. | 12-15-2011 |
20110288046 | ANALYSIS OF SULFATED POLYSACCHRIDES - The invention relates to methods and products associated with analyzing and monitoring heterogeneous populations of sulfated polysaccharides. In particular therapeutic heparin products including low molecular weight heparin products and methods of analyzing and monitoring these products are described. | 11-24-2011 |
20110287465 | CHARACTERIZATION OF O-LINKED GLYCANS - The present disclosure provides methods for analyzing structure and/or composition of glycoproteins and glycans of glycoproteins. Such methods can include subjecting a glycoprotein preparation to a condition that removes at least one O-linked glycan from the glycoprotein. Such methods can include subjecting a glycoprotein preparation to a condition that releases an N-glycan from the glycoprotein, e.g., prior to subjecting the glycoprotein to a condition that releases an O-glycan from the glycoprotein. | 11-24-2011 |
20110275526 | GLYCOSYL TRANSFERASE FROM CHINESE HAMSTER AND RELATED METHODS - A glycosyl transferase from Chinese hamster and related methods are described. | 11-10-2011 |
20110269690 | WATER-MEDIATED CONTROL OF DEPOLYMERIZATION STEP OF GLATIRAMER ACETATE SYNTHESIS - Methods of making copolymers are described. | 11-03-2011 |
20110213137 | ISOTOPICALLY-LABELED GLYCANS - The present disclosure provides methods of making isotopically-labeled glycans or a mixture of glycans (e.g., a glycan preparation) via reductive amination. Such methods are useful, for example, in the determination of the relative amounts of a glycan species present in two or more glycoprotein preparations using mass spectroscopy. In one aspect, the present disclosure provides a method of making an isotopically-labeled glycan by a glycan with an amine and an isotopically-labeled reducing agent to provide an isotopically-labeled aminated glycan. In certain embodiments, the amine is an isotopically-labeled amine. | 09-01-2011 |
20110207919 | EVALUATING HEPARIN PREPARATIONS - Methods of evaluating heparin preparations, e.g., for suitability for use as a drug or for use in making a drug, by determining the absence, presence or amount of a structural signature that is indicative of the methods used to make the heparin preparation. | 08-25-2011 |
20110136682 | ANTENNARY FUCOSYLATION IN GLYCOPROTEINS FROM CHO CELLS - The present invention provides methods of evaluating CHO cells and producing recombinant glycoproteins. | 06-09-2011 |
20110076729 | METHODS OF MAKING LOW MOLECULAR WEIGHT HEPARIN COMPOSITIONS - Methods of making LMWH compositions are provided to provide the LMWH compositions at a yield of at least about 10%. | 03-31-2011 |
20100324276 | POLYSACCHARIDE COMPOSITIONS AND METHODS OF USE FOR THE TREATMENT AND PREVENTION OF DISORDERS ASSOCIATED WITH PROGENITOR CELL MOBILIZATION - Polysaccharide preparations lacking substantial anticoagulant activity are provided herein. Methods of making and using such preparations are provided. | 12-23-2010 |
20100316640 | POLYSACCHARIDE COMPOSITIONS AND METHODS OF USE FOR THE TREATMENT AND PREVENTION OF DISORDERS ASSOCIATED WITH PROGENITOR CELL MOBILIZATION - Polysaccharide preparations lacking substantial anticoagulant activity are provided herein. Methods of making and using such preparations are provided. | 12-16-2010 |
20100298260 | NON-ANTICOAGULANT POLYSACCHARIDE COMPOSITIONS - Preparations of polysaccharides lacking substantial anticoagulant activity are provided herein. Methods of making and using such preparations are provided. | 11-25-2010 |
20100279306 | ANALYSIS OF PHOSPHORYLATED GLYCANS, GLYCOPEPTIDES OR GLYCOPROTEINS BY IMAC - The present disclosure provides technologies for enriching, detecting, and/or quantifying phosphorylated glycans and/or glycoconjugates (e.g., glycopeptides, glycolipids, proteoglycans, etc.). Specifically, the present disclosure provides methods that utilize immobilized metal affinity chromatography (IMAC) to isolate and/or to characterize phosphorylated glycans. The present disclosure particularly provides methods for distinguishing sulfated and phosphorylated glycans. | 11-04-2010 |
20100279269 | CHARACTERIZATION OF N-GLYCAN MIXTURES BY NUCLEAR MAGNETIC RESONANCE - The present disclosure provides nuclear magnetic resonance (NMR) methods for characterizing mixtures of N-linked glycans. Without limitation, methods of the present disclosure may be useful in characterizing monosaccharide composition, branching, fucosylation, sulfation, phosphorylation, sialylation linkages, presence of impurities and/or efficiency of a labeling procedure (e.g., labeling with a fluorophore such as 2-AB). In certain embodiments, the methods can be used quantitatively. In certain embodiments, the methods can be combined with enzymatic digestion to further characterize glycan mixtures. | 11-04-2010 |
20100196940 | METHODS RELATED TO CELL SURFACE GLYCOSYLATION - The present disclosure provides methods for assessing the glycosylation of a target glycoprotein produced by a cell through analysis of cell-surface glycans on the cell. The present disclosure therefore teaches that glycosylation of cell surface proteins can serve as a proxy for glycosylation of other proteins. | 08-05-2010 |
20100151584 | MULTI-DIMENSIONAL CHROMATOGRAPHIC METHODS FOR SEPARATING N-GLYCANS - A multi-dimensional chromatographic method for the separation of N-glycans. The method comprises providing a glycan preparation that includes at least one negatively charged N-glycan. The glycan preparation is then separated by anion-exchange chromatography and at least one secondary chromatographic technique. | 06-17-2010 |
20100151499 | PROTEOLYTIC RELEASE OF GLYCANS - The present disclosure provides strategies for analyzing protein-linked glycans, and particularly for analyzing glycans on cell surface glycoproteins. | 06-17-2010 |
20100144553 | METHODS AND PRODUCTS RELATED TO THE IMPROVED ANALYSIS OF CARBOHYDRATES - The invention relates, in part, to the improved analysis of carbohydrates. In particular, the invention relates to the analysis of carbohydrates, such as N-glycans and O-glycans found on proteins and saccharides attached to lipids. Improved methods, therefore, for the study of glycosylation patterns on cells, tissue and body fluids are also provided. Information from the analysis of glycans, such as the glycosylation patterns on cells, tissues and in body fluids, can be used in diagnostic and treatment methods as well as for facilitating the study of the effects of glycosylation/altered glycosylation. Such methods are also provided. Methods are further provided to assess production processes, to assess the purity of samples containing glycoconjugates, and to select glycoconjugates with the desired glycosylation. | 06-10-2010 |
20100136599 | METHODS AND PRODUCTS RELATED TO THE IMPROVED ANALYSIS OF CARBOHYDRATES - The invention relates, in part, to the improved analysis of carbohydrates. In particular, the invention relates to the analysis of carbohydrates, such as N-glycans and O-glycans found on proteins. Improved methods, therefore, for the study of glycosylation patterns on cells, tissue and body fluids are also provided. Information regarding the analysis of glycans, such as the glycosylation patterns on cells, tissues and in body fluids, can be used in diagnostic and treatment methods as well as for facilitating the study of the effects of glycosylation/altered glycosylation on protein function. Such methods are also provided. Methods are also provided to assess protein production processes, to assess the purity of proteins produced, and to select proteins with the desired glycosylation. | 06-03-2010 |
20100133430 | MS METHODS TO EVALUATE GLYCANS - The present disclosure provides, among other things, methods for the identification of sulfated glycans in a mixture of glycans. | 06-03-2010 |
20100129843 | CHARACTERIZATION OF N-GLYCANS USING EXOGLYCOSIDASES - The present disclosure provides methods for analyzing structure and/or composition of N-glycans. Such methods often involve digestion of N-glycans with multiple exoglycosidases. In some embodiments, N-glycans are digested with multiple exoglycosidases simultaneously. In some embodiments, N-glycans are digested with multiple exoglycosidases sequentially. In some embodiments, methods in accordance with the present disclosure involve comparison of cleavage products of N-glycans that have been digested with multiple exoglycosidases simultaneously to N-glycans that have been digested with multiple exoglycosidases sequentially. | 05-27-2010 |
20100113294 | DEFINED GLYCOPROTEIN PRODUCTS AND RELATED METHODS - The invention provides methods, databases and systems for making glycoprotein products having defined properties. | 05-06-2010 |
20100050748 | EVALUATING HEPARIN PREPARATIONS FOR PHARMACEUTICAL USE - The disclosure features methods of analyzing preparations of heparin, and materials derived from heparin using strong anion exchange high performance liquid chromatography (SAX-HPLC). | 03-04-2010 |
20090203550 | METHODS OF MAKING GLYCOMOLECULES WITH ENHANCED ACTIVITIES AND USES THEREOF - Methods to rapidly produce and identify polysaccharides, and other sugar structures, having enhanced activities, have been developed. The methods include producing a molecule, e.g., a therapeutic molecule, which includes a first, non-saccharide moiety (e.g., a protein, polypeptide, peptide, amino acid or lipid) and a second, polysaccharide, moiety. The method includes: determining the chemical composition and structure of all or a portion of the second moiety, modifying the structure of the second moiety to provide a modified second moiety, and evaluating or screening the molecule having the modified second moiety, e.g., for a biological activity or other chemical or physical property. In some embodiments, the step of determining the chemical structure and composition of the second moiety includes a comparison of one or more properties of the second moiety with a database, e.g., a database which correlates such one or more properties with structure or function of a polysaccharide. | 08-13-2009 |
20090061411 | ANALYSIS OF SULFATED POLYSACCHARIDES - The invention relates to methods and products associated with analyzing and monitoring heterogeneous populations of sulfated polysaccharides. In particular therapeutic heparin products including low molecular weight heparin products and methods of analyzing and monitoring these products are described. | 03-05-2009 |
20090043513 | METHODS AND APPARATUS FOR CHARACTERIZING POLYMERIC MIXTURES - The invention provides methods and apparatus for characterizing complex polymeric mixture of interest. Candidate solutions are eliminated from a solution space using one or more experimental measurements of a polymeric mixture of interest. The elimination step can be repeated one or more times using different experimental measurements produced by various chemical and physical protocols, so that the remaining candidate solutions converge to describe the actual polymeric mixture under investigation. Once the composition of the complex polymeric mixture has been characterized, the information thus generated can be used to facilitate, for example, the manufacture of a bio-equivalent of the complex polymeric mixture. | 02-12-2009 |