Class / Patent application number | Description | Number of patent applications / Date published |
530391900 | Conjugated via a specifically-identified linking group, coupling agent, or conjugation agent | 63 |
20080312422 | PROCESSES FOR MAKING HYDRAZIDES - A method is disclosed for preparing hydrazides from hydrazine and an acyl chloride which comprises the steps of (a) preparing a stirred substantially uniform slurry comprising hydrazine and an inert solvent at low temperature; and (b) adding an acyl chloride continuously to said slurry. The method avoids or limits production of undesired bis-hydrazide by-products. The method is used to prepare 3-methyl-3-mercaptobutanoic acid hydrazide, a molecule used to link calicheamicin to a monoclonal antibody. | 12-18-2008 |
20090105461 | Calicheamicin conjugates - Anti-Lewis Y antibodies are described. Methods for preparing monomeric cytotoxic drug/carrier conjugates with a drug loading significantly higher than in previously reported procedures and with decreased aggregation and low conjugate fraction (LCF) are described. Cytotoxic drug derivative/antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described. Specifically, monomeric calicheamicin derivative/anti-Lewis Y antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described. | 04-23-2009 |
20090209734 | PEPTIDYL PRODRUGS AND LINKERS AND STABILIZERS USEFUL THEREFOR - The present invention provides analogues of duocarmycins that are potent cytotoxins. Also provided are peptidyl and disulfide linkers that are cleaved in vivo. The linkers are of use in forming prodrugs and conjugates of the cytotoxins of the invention as well as other diagnostic and therapeutic moieties. The invention provides prodrugs and conjugates of the duocarmycin analogues with the linker arms of the invention. | 08-20-2009 |
20090215996 | CROSSLINKED POLYMERS WITH AMINE BINDING GROUPS - Crosslinked polymeric materials are described that contain pendant amine capture groups. The amine capture groups include N-sulfonyldicarboximide groups that can react with amine-containing materials by a ring opening reaction. Reaction mixtures used to prepare the crosslinked polymeric materials, articles containing the crosslinked polymeric materials, methods of making articles, and methods of immobilizing an amine-containing material are also described. | 08-27-2009 |
20090286964 | Modified Fc molecules - The present invention concerns compositions of matter, for example, but not limited to, modified antibodies, in which one or more biologically active peptides are incorporated into a loop region of a non-terminal domain of an immunoglobulin Fc domain. | 11-19-2009 |
20100105877 | AN INSULINOTROPIC COMPLEX USING AN IMMUNOGLOBULIN FRAGMENT - The present invention relates to an insulinotropic peptide conjugate having improved in-vivo duration of efficacy and stability, comprising an insulinotropic peptide, a non-peptide polymer and an immunoglobulin Fc region, which are covalently linked to each other, and a use of the same. The insulinotropic peptide conjugate of the present invention has the in-vivo activity which is maintained relatively high, and has remarkably increased blood half-life, and thus it can be desirably employed in the development of long acting formulations of various peptide drugs. | 04-29-2010 |
20120130052 | PROCESSES FOR MAKING HYDRAZIDES - A method is disclosed for preparing hydrazides from hydrazine and an acyl chloride which comprises the steps of (a) preparing a stirred substantially uniform slurry comprising hydrazine and an inert solvent at low temperature; and (b) adding an acyl chloride continuously to said slurry. The method avoids or limits production of undesired bis-hydrazide by-products. The method is used to prepare 3-methyl-3-mercaptobutanoic acid hydrazide, a molecule used to link calicheamicin to a monoclonal antibody. | 05-24-2012 |
20120226025 | METHOD OF TARGETING SPECIFIC CELL POPULATIONS USING CELL-BINDING AGENT MAYTANSINOID CONJUGATES LINKED VIA A NON-CLEAVABLE LINKER, SAID CONJUGATES AND METHODS OF MAKING SAID CONJUGATES - The present invention discloses a method for targeting maytansinoids to a selected cell population, the method comprising contacting a cell population or tissue suspected of containing the selected cell population with a cell-binding agent maytansinoid conjugate, wherein one or more maytansinoids is covalently linked to the cell-binding agent via a non-cleavable linker and the cell-binding agent binds to cells of the selected cell population. | 09-06-2012 |
20120226026 | POTENT CONJUGATES AND HYDROPHILIC LINKERS - Linkers for binding drugs to cell binding agents are modified to hydrophilic linkers by incorporating a polyethylene glycol spacer. The potency or the efficacy of the cell-binding agent-drug conjugates is surprisingly enhanced several folds in a variety of cancer cell types, including those expressing a low number of antigens on the cell surface or cancer cells that are resistant to treatment. A method for preparing maytansinoids bearing a thioether moiety and a reactive group which allows the maytansinoid to be linked to a cell-binding agent in essentially a single step is also provided. | 09-06-2012 |
20120238731 | METHODS OF PREPARATION OF CONJUGATES - The present invention is directed to methods of preparing a conjugate of a cell-binding agent and a drug (such as a cytotoxic compound). The methods comprise the use of an imine reactive compound to enable efficient conjugations of cytotoxic compounds with cell binding agents. | 09-20-2012 |
20120253021 | PREPARATION OF MAYTANSINOID ANTIBODY CONJUGATES BY A ONE-STEP PROCESS - The invention provides a one-step process for preparing a cell-binding agent cytotoxic agent conjugate comprising contacting a cell-binding agent with a cytotoxic agent to form a first mixture comprising the cell-binding agent and the cytotoxic agent and contacting the first mixture comprising the cell-binding agent and the cytotoxic agent with a bifunctional crosslinking reagent, which provides a linker, in a solution having a pH of about 4 to about 9 to provide a second mixture comprising the cell-binding agent cytotoxic agent conjugate, wherein the cell-binding agent is chemically coupled through the linker to the cytotoxic agent, free cytotoxic agent, and reaction by-products. The second mixture is then optionally subjected to purification to provide a purified cell-binding agent cytotoxic agent conjugate. | 10-04-2012 |
20120259100 | PROCESS FOR MANUFACTURING CONJUGATES OF IMPROVED HOMOGENEITY - The invention provides processes for manufacturing cell-binding agent-cytotoxic agent conjugates of improved homogeneity comprising performing the modification reaction at a lower temperature. The inventive processes comprise contacting a cell-binding agent with a bifunctional crosslinking reagent at a temperature of about 15° C. or less to covalently attach a linker to the cell-binding agent and thereby prepare a mixture comprising cell-binding agents having linkers bound thereto. | 10-11-2012 |
20130066055 | NEW BINDER-DRUG CONJUGATES (ADCS) AND USE THEREOF - The present application relates to new binder-drug conjugates (ADCs) of N,N-dialkylauristatins that are directed against the target C4.4a, to active metabolites of these ADCs, to processes for preparing these ADCs, to the use of these ADCs for treating and/or preventing illnesses, and also to the use of these ADCs for producing medicaments for treating and/or preventing illnesses, more particularly hyperproliferative and/or angiogenic diseases such as, for example, cancer diseases. Such treatments may be practised as a monotherapy or else in combination with other medicaments or further therapeutic measures. | 03-14-2013 |
20130090458 | Immunoconjugates with an Intracellularly-Cleavable Linkage - The present invention relates to therapeutic conjugates with improved ability to target various diseased cells containing a targeting moiety (such as an antibody or antibody fragment), a linker and a therapeutic moiety, and further relates to processes for making and using the conjugates. | 04-11-2013 |
20130211053 | PROCESSES FOR MAKING HYDRAZIDES - A method is disclosed for preparing hydrazides from hydrazine and an acyl chloride which comprises the steps of (a) preparing a stirred substantially uniform slurry comprising hydrazine and an inert solvent at low temperature; and (b) adding an acyl chloride continuously to said slurry. The method avoids or limits production of undesired bis-hydrazide by-products. The method is used to prepare 3-methyl-3-mercaptobutanoic acid hydrazide, a molecule used to link calicheamicin to a monoclonal antibody. | 08-15-2013 |
20130281678 | PROCESS FOR PREPARING PURIFIED DRUG CONJUGATES - The invention provides a process for preparing a cell-binding agent chemically coupled to a drug. The process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent and a subsequent purification step. | 10-24-2013 |
20130281679 | CONJUGATE FOR PHOTODYNAMIC DIAGNOSIS OR THERAPY AND METHOD FOR PREPARING SAME - The present invention relates to a conjugate of acetylated biocompatible polysaccharide and phthalocyanine-based compound for photodynamic diagnosis or therapy and to a method for preparing the same, and more particularly, to a conjugate for photodynamic diagnosis or therapy and to a method for preparing the same, in which biocompatible polysaccharide is acetylated and a phthalocyanine-based compound is bound to the acetylated polysaccharide. The conjugate for photodynamic diagnosis or therapy according to the present invention is characterized in that the polysaccharide is acetylated to improve solubility in a solvent and thus enable various chemical modifications, and the conjugate may specifically target tumor cells, has superior cancer cell selecting and accumulating capacity, and has excellent effects of killing cancer cells when near infrared ray is irradiated. The conjugate of the present invention may not show cytotoxicity for cells other than cancer cells even when near infrared ray is irradiated, and thus exhibits superior in vivo stability, and therefore, may be valuably used in disease diagnosis or therapy using photodynamics. | 10-24-2013 |
20130324706 | Branched Linker for Protein Drug Conjugates - The present invention relates to method for connecting a protein and a drug to a protein drug conjugate, wherein the drug is linked to the protein through a specific branched linker, said branched linker comprises a peptide chain and is derived from o-hydroxy p-amino benzylic alcohol, wherein the peptide chain is connected to the phenyl ring via the p-amino group, the drug is connected to the phenyl ring via the benzylic alcohol moiety, and the protein is connected to the phenyl ring via the o-hydroxy group; further to a process for the preparation of said protein-drug-conjugates via various intermediates, to the pharmaceutical use of such protein drug conjugates, such as methods of controlling the growth of undesirable cells, to pharmaceutical compositions comprising such protein drug conjugates, and to intermediates of the preparation of the protein drug conjugates. | 12-05-2013 |
20140058067 | Immunoconjugates with an Intracellularly-Cleavable Linkage - The present invention relates to therapeutic conjugates with improved ability to target various diseased cells containing a targeting moiety (such as an antibody or antibody fragment), a linker and a therapeutic moiety, and further relates to processes for making and using the conjugates. | 02-27-2014 |
20140081005 | ANTIBODY-DRUG CONJUGATES - Disclosed are anti-5T4 antibody drug conjugates and methods for preparing and using the same. | 03-20-2014 |
20140179906 | CONJUGATION METHODS - This invention describes a method of conjugating a cell binding agent such as an antibody with an effector group (e.g., a cytotoxic agent) or a reporter group (e.g., a radionuclide), whereby the reporter or effector group is first reacted with a bifunctional linker and the mixture is then used without purification for the conjugation reaction with the cell binding agent. The method described in this invention is advantageous for preparation of stably-linked conjugates of cell binding agents, such as antibodies with effector or reporter groups. This conjugation method provides in high yields conjugates of high purity and homogeneity that are without inter-chain cross-linking and inactivated linker residues | 06-26-2014 |
20140221627 | METHODS FOR PREPARATION OF FUCOSE-LINKED SITE SPECIFIC CONJUGATES OF PROTEINS WITH TOXINS, ADJUVANTS, DETECTION LABELS AND PHARMACOKINETIC HALF LIFE EXTENDERS - The present invention relates to eukaryotic cells for producing molecules having an atypical fucose analogue on their glycomoieties and/or amino acids. It also relates to methods for producing molecules having an atypical fucose analogue on their glycomoieties and/or amino acids and to molecules obtainable by said methods. It further relates to methods for producing conjugates comprising molecules having an atypical fucose analogue on their glycomoieties and/or amino acids and pharmaceutical active compounds and to conjugates obtainable by said methods. In addition, the present invention relates to specific conjugates. | 08-07-2014 |
20140235835 | CALICHEAMICIN DERIVATIVE-CARRIER CONJUGATES - Methods for preparing monomeric cytotoxic drug/carrier conjugates with a drug loading significantly higher than in previously reported procedures and with decreased aggregation and low conjugate fraction (LCF) are described. Cytotoxic drug derivative/antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described. Monomeric calicheamicin derivative/anti-CD22 antibody conjugates, compositions comprising the conjugates and uses of the conjugates are also described. | 08-21-2014 |
20140288280 | CYSTEINE ENGINEERED ANTIBODIES AND CONJUGATES - Cysteine engineered antibodies comprising a free cysteine amino acid in the heavy chain or light chain are prepared by mutagenizing a nucleic acid sequence of a parent antibody and replacing one or more amino acid residues by cysteine to encode the cysteine engineered antibody; expressing the cysteine engineered antibody; and isolating the cysteine engineered antibody. Certain highly reactive cysteine engineered antibodies were identified by the PHESELECTOR assay. Isolated cysteine engineered antibodies may be covalently attached to a capture label, a detection label, a drug moiety, or a solid support. | 09-25-2014 |
20140309406 | PREPARATION OF MAYTANSINOID ANTIBODY CONJUGATES BY A ONE-STEP PROCESS - The invention provides a one-step process for preparing a cell-binding agent cytotoxic agent conjugate comprising contacting a cell-binding agent with a cytotoxic agent to form a first mixture comprising the cell-binding agent and the cytotoxic agent and contacting the first mixture comprising the cell-binding agent and the cytotoxic agent with a bifunctional crosslinking reagent, which provides a linker, in a solution having a pH of about 4 to about 9 to provide a second mixture comprising the cell-binding agent cytotoxic agent conjugate, wherein the cell-binding agent is chemically coupled through the linker to the cytotoxic agent, free cytotoxic agent, and reaction by-products. The second mixture is then optionally subjected to purification to provide a purified cell-binding agent cytotoxic agent conjugate. | 10-16-2014 |
20140357844 | ANTIBODIES SPECIFIC FOR TROP-2 AND THEIR USES - The present invention provides antibodies that specifically bind to trophoblast cell-surface antigen-2 (Trop-2). The invention further provides antibody conjugates comprising such antibodies, antibody encoding nucleic acids, and methods of obtaining such antibodies. The invention further relates to therapeutic methods for use of these antibodies and Trop-2 antibody conjugates for the treatment of a condition associated with Trop-2 expression (e.g., cancer), such as colon, esophageal, gastric, head and neck, lung, ovarian, or pancreatic cancer. | 12-04-2014 |
20140364593 | DLL3 MODULATORS AND METHODS OF USE - Novel modulators, including antibodies and derivatives thereof, and methods of using such modulators to treat proliferative disorders are provided. | 12-11-2014 |
20150038684 | BISPECIFIC CHIMERIC ANTIGEN RECEPTORS AND THERAPEUTIC USES THEREOF - The invention is directed to a bispecific chimeric antigen receptor, comprising: (a) at least two antigen-specific targeting regions; (b) an extracellular spacer domain; (c) a transmembrane domain; (d) at least one co-stimulatory domain; and (e) an intracellular signaling domain, wherein each antigen-specific targeting region comprises an antigen-specific single chain Fv (scFv) fragment, and binds a different antigen, and wherein the bispecific chimeric antigen receptor is co-expressed with a therapeutic control. The invention also provides methods and uses of the bispecific chimeric antigen receptors. | 02-05-2015 |
20150051380 | ANTHRACYCLINE DERIVATIVE CONJUGATES, PROCESS FOR THEIR PREPARATION AND THEIR USE AS ANTITUMOR COMPOUNDS - The present invention relates to conjugates of therapeutically useful anthracyclines with carriers such as polyclonal and monoclonal antibodies, proteins or peptides of natural or synthetic origin; methods for their preparation, pharmaceutical composition containing them and use thereof in treating certain mammalian tumors. | 02-19-2015 |
20150080559 | Compositions Containing, Methods Involving, and Uses of Non-Natural Amino Acid Linked Dolastatin Derivatives - Disclosed herein are non-natural amino acids and dolastatin analogs that include at least one non-natural amino acid, and methods for making such non-natural amino acids and polypeptides. The dolastatin analogs can include a wide range of possible functionalities, but typically have at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Also disclosed herein are non-natural amino acid dolastatin analogs that are further modified post-translationally, methods for effecting such modifications, and methods for purifying such dolastatin analogs. Typically, the modified dolastatin analogs include at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Further disclosed are methods for using such non-natural amino acid dolastatin analogs and modified non-natural amino acid dolastatin analogs, including therapeutic, diagnostic, and other biotechnology uses. | 03-19-2015 |
20150087814 | CHEMOENZYMATIC GLYCOENGINEERING OF ANTIBODIES AND FC FRAGMENTS THEREOF - The present invention provides for recombinant Endo-S mutants that exhibit reduced hydrolysis activity and increased transglycosylation activity for the synthesis of glycoproteins wherein a desired sialylated oxazoline or synthetic oligosaccharide oxazoline is added to a core fucosylated or nonfucosylated GlcNAc-protein acceptor. Such recombinant Endo-S mutants are useful for efficient glycosylation remodeling of IgGl-Fc domain to provide different antibody glycoforms carrying structurally well-defined Fc N-glycans. | 03-26-2015 |
20150094456 | Anthracycline-Antibody Conjugates for Cancer Therapy - The invention relates to therapeutic conjugates with the ability to target various antigens. The conjugates contain a targeting antibody or antigen binding fragment thereof and an anthracycline chemotherapeutic drug. The targeting antibody and the chemotherapeutic drug are linked via a linker comprising a hydrazide moiety. | 04-02-2015 |
20150099865 | PROCESSES FOR MAKING HYDRAZIDES - A method is disclosed for preparing hydrazides from hydrazine and an acyl chloride which comprises the steps of (a) preparing a stirred substantially uniform slurry comprising hydrazine and an inert solvent at low temperature; and (b) adding an acyl chloride continuously to said slurry. The method avoids or limits production of undesired bis-hydrazide by-products. The method is used to prepare 3-methyl-3-mercaptobutanoic acid hydrazide, a molecule used to link calicheamicin to a monoclonal antibody. | 04-09-2015 |
20150105539 | Drug-Conjugates, Conjugation Methods, and Uses Thereof - In one aspect, an active agent-conjugate, methods of preparing the active agent-conjugate, and uses thereof is provided. | 04-16-2015 |
20150105540 | DRUG-CONJUGATES WITH A TARGETING MOLECULE AND TWO DIFFERENT DRUGS - There is disclosed an improved ADC (antibody drug conjugate) type composition having at least two different drug payloads conjugated to a single targeting protein. More specifically, the present disclosure attaches a first drug conjugate to a dual Cysteine residue on a targeting protein and a second drug conjugate with a different drug to a Lys residue on the targeting protein. | 04-16-2015 |
20150105541 | ANTIBODY-ACTIVE AGENT CONJUGATES AND METHODS OF USE - The invention provides protein-active agent conjugates having an amino acid motif that can be recognized by an isoprenoid transferase. The invention also provides compositions containing the conjugates. The invention further provides methods for using the conjugates to deliver the active agent to a target cell, as well as methods for using the conjugates to treat a subject in need thereof (e.g., a subject in need of the active agent) | 04-16-2015 |
20150141624 | Anti-CD70 Antibody Drug Conjugates - This invention relates to anti-CD70 antibodies and antibody drug conjugates comprising at least one non-naturally-encoded amino acid. Disclosed herein are αCD70 antibodies with one or more non-naturally encoded amino acids and further disclosed are antibody drug conjugates wherein the αCD70 antibodies of the invention are conjugated to one or more toxins. Further disclosed are methods for using such non-natural amino acid antibody drug conjugates, including therapeutic, diagnostic, and other biotechnology uses. | 05-21-2015 |
20150141625 | IMMUNE RESPONSE MODIFIER CONJUGATES - The present invention provides IRM conjugates that includes an IRM moiety and a second active moiety covalently linked to the IRM moiety in which the covalent link does not depend on UV irradiation. | 05-21-2015 |
20150299247 | AN IMPROVED PROCESS FOR PREPARATION OF PHYSIOLOGICALLY ACTIVE POLYPEPTIDE COMPLEX - Disclosed is a method for the preparation of a complex in which a physiologically active polypeptide is covalently bonded to an immunoglobulin constant region via a non-peptidyl linker. The method is characterized by the employment of a reducing agent, by which conventional problems of low production yield and modification of the polypeptide can be overcome. The physiologically active polypeptide-non-peptidyl polymer-immunoglobulin constant region complex can be produced with high purity and yield as well as at low cost. Thus, the method is industrially useful. Moreover, by exhibiting a prolonged action profile, the physiologically active polypeptide-non-peptidyl polymer-immunoglobulin constant region complex can be effectively used for developing long-acting formulations of physiologically active polypeptides which have improved drug compliance. | 10-22-2015 |
20150306242 | PROCESS FOR PREPARING STABLE ANTIBODY MAYTANSINOID CONJUGATES - The invention provides processes for manufacturing cell-binding agent-cytotoxic agent conjugates of improved stability comprising performing the modification reaction at a high pH. The inventive processes comprise contacting a cell-binding agent with a bifunctional crosslinking reagent in a solution having a pH of 7.1 to 9 to covalently attach a linker to the cell-binding agent and thereby prepare a mixture comprising cell-binding agents having linkers bound thereto. | 10-29-2015 |
20150361157 | SGP130/FC DIMERS - Described are polypeptide dimers comprising two soluble gp130 molecules wherein each of said molecules is fused to an Fc domain of an IgG1 protein and wherein the hinge region of the Fc domain is modified resulting in advantageous properties of the dimer. In a particularly preferred embodiment, the hinge region comprises the amino acid sequence motif Ala | 12-17-2015 |
20160000931 | SITE-SPECIFIC INSULIN CONJUGATE - Provided are an insulin conjugate having improved insulin receptor binding affinity and increased activity, in which a non-peptidyl polymer and an immunoglobulin Fc region are site-specifically linked to an amino acid residue of the insulin beta chain excluding the N-terminus thereof via a covalent bond, a long-acting formulation including the same, and a preparation method thereof. The insulin conjugate of the present invention is used to provide an insulin formulation which exhibits a remarkably increased in vivo activity of the peptide. | 01-07-2016 |
20160000933 | CONJUGATED BIOLOGICAL MOLECULES AND THEIR PREPARATION - Conjugation reagents of formula (1) that form a bridge between two cystein residues derived from the disulfide bond and a two-step process for the preparation of antibody conjugates are disclosed. | 01-07-2016 |
20160015832 | TRIDENTATE CONNEXON AND USE THEREOF - Disclosed are a type of tridentate linkers and use thereof. The tridentate linkers can be used to prepare an antibody drug conjugates as represented by formula I, | 01-21-2016 |
20160024226 | HYBRID IMMUNOGLOBULIN CONTAINING NON-PEPTIDYL LINKAGE - The present invention provides compounds producing compounds having the structure (I). Wherein A is a first polypeptide component of the compound; wherein C is a second polypeptide component of the compound, which polypeptide component comprises consecutive amino acids which (i) are identical to a stretch of consecutive amino acids present in a chain of an F | 01-28-2016 |
20160030592 | Polyoxazoline Antibody Drug Conjugates - In the present disclosure, polymer conjugates, including polymer-antibody-drug conjugates (polymer ADCs) are described, as well as the use of such conjugates to treat human disease. The polymer conjugates can contain a large number of polymer-bound agents, thus effectively increasing the drug antibody ration (DAR) of the antibody significantly beyond the currently available technology. This may be of particular importance when antibodies to low density antigens are used as target antibodies. The described polymer-ADCs have improved pharmacokinetics and solubility relative to traditional ADCs. The linker between agent and the polymer can be tailored to provide release of toxin at the desired site and under the desired conditions within the tumor. An additional feature of the polymer-ADCs of the current disclosure is that a purification moiety can be attached to the polymer backbone to provide ease of purification of the polymer-ADCs. | 02-04-2016 |
20160039870 | ACTIVATED CARBON FILTRATION FOR PURIFICATION OF BENZODIAZEPINE ADCS - Disclosed are methods of purifying mixtures comprising benzoidiazepine antibody-drug conjugates. | 02-11-2016 |
20160045616 | PROCESS FOR PREPARING PURIFIED DRUG CONJUGATES - The invention provides processes for preparing a cell-binding agent chemically coupled to a drug. A first process comprises covalently attaching a linker to a cell-binding agent, an optional purification step, conjugating a drug to the cell-binding agent, a subsequent purification step, and optional holding steps. A second process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent, a subsequent purification step. holding steps, and optionally a tangential flow filtration (TFF) step. | 02-18-2016 |
20160058883 | DRUG CONJUGATE COMPRISING ANTI-CDH3 (P-CADHERIN) ANTIBODY - It is an object of the present invention to provide a drug conjugate comprising an anti-CDH3 antibody that efficiently kills cancer cells expressing CDH3. According to the present invention, there is provided an immune complex formed by binding an antibody against CDH3 or a fragment thereof having CDH3 binding ability to a chemotherapeutic agent. | 03-03-2016 |
20160067350 | Drug-Conjugates, Conjugation Methods, and Uses Thereof - In one aspect, an active agent-conjugate, methods of preparing the active agent-conjugate, and uses thereof is provided. | 03-10-2016 |
20160067352 | Method of Synthesising ADCs Using Affinity Resins - This invention relates to a solid phase method of synthesizing biomolecule-drug conjugates. In particular, this invention relates to a solid phase method of synthesizing antibody-drug conjugates (ADCs). This invention also relates to intermediate methods of producing immobilized, chemically modified biomolecules, e.g. antibodies. The invention also relates to various uses of capture resins and to biomolecule-drug conjugates, intermediate products and compositions prepared by the methods of the invention. | 03-10-2016 |
20160096887 | Folate Receptor 1 Antibodies and Immunoconjugates and Uses Thereof - Novel anti-cancer agents, including, but not limited to, antibodies and immunoconjugates, that bind to human folate receptor 1 are provided. Methods of using the agents, antibodies, or immunoconjugates, such as methods of inhibiting tumor growth are further provided. | 04-07-2016 |
20160101191 | PROCESS FOR MANUFACTURING CONJUGATES OF IMPROVED HOMOGENEITY - The invention provides processes for manufacturing cell-binding agent-cytotoxic agent conjugates of improved homogeneity comprising performing the modification reaction at a lower temperature. The inventive processes comprise contacting a cell-binding agent with a bifunctional crosslinking reagent at a temperature of about 15° C. or less to covalently attach a linker to the cell-binding agent and thereby prepare a mixture comprising cell-binding agents having linkers bound thereto. | 04-14-2016 |
20160136296 | METHODS OF MAKING DLL3 ANTIBODY DRUG CONJUGATES - Novel modulators, including antibodies and derivatives thereof, and methods of using such modulators to treat proliferative disorders are provided. | 05-19-2016 |
20160137995 | TRANSGLYCOSYLATION ACTIVITY OF GLYCOSYNTHASE MUTANTS OF AN ENDO-BETA-N-ACETYLGLUCOSAMINIDASE (ENDO-D) FROM STREPTOCOCCUS PNEUMONIAE - The present invention provides for recombinant Endo-D and selected mutants that exhibit reduced hydrolysis activity and increased transglycosylation activity for the synthesis of glycoproteins wherein a desired sugar chain is added to a core fucosylated or nonfucosylated GlcNAc-protein acceptor by transglycosylation. Such recombinant Endo-D and selected mutants are useful for efficient glycosylation remodeling of IgG1-Fc domain. | 05-19-2016 |
20160145610 | COMPOSITIONS AND METHODS FOR THE DELIVERY OF NUCLEIC ACIDS - A compound comprising formula (I): | 05-26-2016 |
20160158307 | Potent and Efficient Cytotoxic Peptides and Antibody-Drug Conjugates thereof and Their Synthesis - The present invention provides a family of novel cytotoxic pentapeptides, which show potent antitumor activities against several cancer lines. The antibody-drug conjugates prepared from those pentapeptides can efficiently kill cancer cells. | 06-09-2016 |
20160158378 | CONJUGATE OF BIOLOGICALLY ACTIVE POLYPEPTIDE MONOMER AND IMMUNOGLOBULIN FC FRAGMENT WITH REDUCED RECEPTOR-MEDIATED CLEARANCE, AND THE METHOD FOR PREPARING THE SAME - Provided is a long-acting pharmaceutical composition containing a conjugate comprising a physiologically active polypeptide linked to an immunoglobulin Fc fragment, wherein the composition contains a monomeric conjugate comprising one molecule of the physiologically active polypeptide linked to a single immunoglobulin Fc fragment, and optionally contains a multimeric conjugate comprising two or more molecules of the same physiologically active polypeptide linked to a single immunoglobulin Fc fragment, provided that the molar ratio of the monomeric conjugate to the multimeric conjugate in the composition is at least 19; a physiologically active polypeptide monomer-immunoglobulin Fc fragment conjugate that comprises a physiologically active polypeptide monomer linked via a non-peptidyl linker to an immunoglobulin Fc fragment, wherein the physiologically active polypeptide is linked via the non-peptidyl linker to the immunoglobulin Fc fragment in a monomeric form. | 06-09-2016 |
20160184451 | COMPOUNDS COMPRISING SELF-IMMOLATIVE GROUP - Provided are compounds comprising a self-immolative group, and the compounds comprising a self-immolative group according to the present invention may include a protein (for example, an oligopeptide, a polypeptide, an antibody, or the like) having substrate-specificity for a target and an active agent (for example, a drug, a toxin, a ligand, a detection probe, or the like) having a specific function or activity. | 06-30-2016 |
20160250347 | MODIFIED GLYCOPROTEIN, PROTEIN-CONJUGATE AND PROCESS FOR THE PREPARATION THEREOF | 09-01-2016 |
20160251389 | INTERMEDIATES AND METHODS FOR SYNTHESIZING CALICHEAMICIN DERIVATIVES | 09-01-2016 |
20160251431 | Anti-DLL3 antibody drug conjugates | 09-01-2016 |
20180021451 | ANTIBODY-ACTIVE AGENT CONJUGATES AND METHODS OF USE | 01-25-2018 |