IL299153A - Camptothecin analogs conjugated to a glutamine residue in protein, and their uses - Google Patents
Camptothecin analogs conjugated to a glutamine residue in protein, and their usesInfo
- Publication number
- IL299153A IL299153A IL299153A IL29915322A IL299153A IL 299153 A IL299153 A IL 299153A IL 299153 A IL299153 A IL 299153A IL 29915322 A IL29915322 A IL 29915322A IL 299153 A IL299153 A IL 299153A
- Authority
- IL
- Israel
- Prior art keywords
- antibody
- group
- antigen
- met
- present disclosure
- Prior art date
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
- C07K16/2863—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for growth factors, growth regulators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6889—Conjugates wherein the antibody being the modifying agent and wherein the linker, binder or spacer confers particular properties to the conjugates, e.g. peptidic enzyme-labile linkers or acid-labile linkers, providing for an acid-labile immuno conjugate wherein the drug may be released from its antibody conjugated part in an acidic, e.g. tumoural or environment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4738—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems
- A61K31/4745—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/545—Heterocyclic compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/54—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
- A61K47/55—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound the modifying agent being also a pharmacologically or therapeutically active agent, i.e. the entire conjugate being a codrug, i.e. a dimer, oligomer or polymer of pharmacologically or therapeutically active compounds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/64—Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/65—Peptidic linkers, binders or spacers, e.g. peptidic enzyme-labile linkers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/66—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid the modifying agent being a pre-targeting system involving a peptide or protein for targeting specific cells
- A61K47/67—Enzyme prodrug therapy, e.g. gene directed enzyme drug therapy [GDEPT] or VDEPT
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
- A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
- A61K47/68033—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being a maytansine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
- A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
- A61K47/68037—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being a camptothecin [CPT] or derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6835—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
- A61K47/6849—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a receptor, a cell surface antigen or a cell surface determinant
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6835—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
- A61K47/6851—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell
- A61K47/6859—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell the tumour determinant being from liver or pancreas cancer cell
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6835—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
- A61K47/6851—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell
- A61K47/6869—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a determinant of a tumour cell the tumour determinant being from a cell of the reproductive system: ovaria, uterus, testes, prostate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
- A61K47/6835—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
- A61K47/6875—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody being a hybrid immunoglobulin
- A61K47/6879—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody being a hybrid immunoglobulin the immunoglobulin having two or more different antigen-binding sites, e.g. bispecific or multispecific immunoglobulin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
- C07K2317/31—Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
- C07K2317/565—Complementarity determining region [CDR]
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- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Cell Biology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Genetics & Genomics (AREA)
- Oncology (AREA)
- Biophysics (AREA)
- Gastroenterology & Hepatology (AREA)
- Biochemistry (AREA)
- Reproductive Health (AREA)
- Peptides Or Proteins (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063051172P | 2020-07-13 | 2020-07-13 | |
| US202163154531P | 2021-02-26 | 2021-02-26 | |
| PCT/US2021/041304 WO2022015656A1 (en) | 2020-07-13 | 2021-07-12 | Camptothecin analogs conjugated to a glutamine residue in a protein, and their use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL299153A true IL299153A (en) | 2023-02-01 |
Family
ID=77168491
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL299153A IL299153A (en) | 2020-07-13 | 2021-07-12 | Camptothecin analogs conjugated to a glutamine residue in protein, and their uses |
| IL309173A IL309173A (en) | 2020-07-13 | 2021-07-12 | Camptothecin analogs conjugated to a glutamine residue in protein, and their uses |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL309173A IL309173A (en) | 2020-07-13 | 2021-07-12 | Camptothecin analogs conjugated to a glutamine residue in protein, and their uses |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US20220072141A1 (enExample) |
| EP (2) | EP4406608A3 (enExample) |
| JP (2) | JP2023534437A (enExample) |
| KR (2) | KR20230038738A (enExample) |
| CN (2) | CN116390771A (enExample) |
| AU (2) | AU2021308190A1 (enExample) |
| BR (1) | BR112023000489A2 (enExample) |
| CA (1) | CA3183184A1 (enExample) |
| CL (1) | CL2023000098A1 (enExample) |
| CO (1) | CO2023001402A2 (enExample) |
| IL (2) | IL299153A (enExample) |
| MA (1) | MA71650A (enExample) |
| MX (2) | MX2023000544A (enExample) |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021148500A1 (en) * | 2020-01-22 | 2021-07-29 | Medimmune Limited | Compounds and conjugates thereof |
| CN115175705A (zh) * | 2020-09-30 | 2022-10-11 | 映恩生物制药(苏州)有限公司 | 一种抗肿瘤化合物及其制备方法和应用 |
| JP2025502147A (ja) * | 2022-01-12 | 2025-01-24 | リジェネロン ファーマシューティカルズ,インク. | タンパク質中のグルタミン残基にコンジュゲートしたカンプトテシンアナログおよびその使用 |
| WO2023138682A1 (zh) * | 2022-01-24 | 2023-07-27 | 北京桦冠生物技术有限公司 | 缀合物及其用途 |
| KR20240155334A (ko) * | 2022-03-09 | 2024-10-28 | 메르크 파텐트 게엠베하 | 항-gd2 항체, 면역접합체 및 그의 치료적 용도 |
| TW202344252A (zh) * | 2022-05-09 | 2023-11-16 | 大陸商同宜醫藥(蘇州)有限公司 | 一種喜樹鹼衍生物,基於其的抗體-藥物偶聯物和藥物組成物,及其應用 |
| CN118955614A (zh) * | 2022-07-05 | 2024-11-15 | 上海药明合联生物技术有限公司 | 偶联连接子 |
| EP4561636A1 (en) | 2022-07-29 | 2025-06-04 | Regeneron Pharmaceuticals, Inc. | Compositions and methods for transferrin receptor (tfr)-mediated delivery to the brain and muscle |
| AU2023349279A1 (en) * | 2022-09-30 | 2025-05-15 | Beone Medicines I Gmbh | Ligand-drug conjugate of exatecan analogue, and medical use thereof |
| CN120500498A (zh) | 2022-11-14 | 2025-08-15 | 瑞泽恩制药公司 | 用于成纤维细胞生长因子受体3介导的至星形胶质细胞的递送的组合物及方法 |
| KR20250133813A (ko) | 2022-12-21 | 2025-09-08 | 리제너론 파마슈티칼스 인코포레이티드 | Adc 접합을 위한 토포이소머라아제 i 억제제의 전구약물 및 이의 사용 방법 |
| WO2024168199A1 (en) | 2023-02-09 | 2024-08-15 | Regeneron Pharmaceuticals, Inc. | Antibody-drug conjugates via inverse electron demand diels-alder reactions |
| WO2025014533A1 (en) | 2023-07-10 | 2025-01-16 | Regeneron Pharmaceuticals, Inc. | Anti-human cacng1 antibody-drug conjugates and uses thereof |
| WO2025038752A1 (en) * | 2023-08-14 | 2025-02-20 | Cancer Targeted Technology Llc | Psma binding ligand-linker conjugates and methods for use thereof |
| EP4537854A1 (en) * | 2023-10-04 | 2025-04-16 | Formosa Laboratories, Inc. | Compound for conjugation, conjugate and pharmaceutical composition comprising the same |
| WO2025078841A2 (en) | 2023-10-11 | 2025-04-17 | Antikor Biopharma Limited | Antibodies, conjugates, and uses thereof |
| WO2025103474A1 (zh) * | 2023-11-17 | 2025-05-22 | 成都康弘生物科技有限公司 | 双毒素抗体药物偶联物及其用途 |
| WO2025199666A1 (en) * | 2024-03-25 | 2025-10-02 | Canwell Biotech Limited | Multivalent linkers for high loading antibody-drug conjugates, and compositions and methods thereof |
Family Cites Families (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL85035A0 (en) | 1987-01-08 | 1988-06-30 | Int Genetic Eng | Polynucleotide molecule,a chimeric antibody with specificity for human b cell surface antigen,a process for the preparation and methods utilizing the same |
| CA2008368C (en) | 1989-01-24 | 2003-04-08 | Jeffrey Greve | Soluble molecule related to but distinct from icam-1 |
| US5208020A (en) | 1989-10-25 | 1993-05-04 | Immunogen Inc. | Cytotoxic agents comprising maytansinoids and their therapeutic use |
| CA2103059C (en) | 1991-06-14 | 2005-03-22 | Paul J. Carter | Method for making humanized antibodies |
| US5714586A (en) | 1995-06-07 | 1998-02-03 | American Cyanamid Company | Methods for the preparation of monomeric calicheamicin derivative/carrier conjugates |
| US7087411B2 (en) | 1999-06-08 | 2006-08-08 | Regeneron Pharmaceuticals, Inc. | Fusion protein capable of binding VEGF |
| US6596541B2 (en) | 2000-10-31 | 2003-07-22 | Regeneron Pharmaceuticals, Inc. | Methods of modifying eukaryotic cells |
| US20070258987A1 (en) | 2000-11-28 | 2007-11-08 | Seattle Genetics, Inc. | Recombinant Anti-Cd30 Antibodies and Uses Thereof |
| WO2003087306A2 (en) | 2002-04-05 | 2003-10-23 | Agensys, Inc. | Nucleic acid and corresponding protein entitled 98p4b6 useful in treatment and detection of cancer |
| WO2005079490A2 (en) | 2004-02-13 | 2005-09-01 | Nuvelo, Inc. | Methods of therapy and diagnosis using targeting of cells that express steap2 polypeptides |
| AR048098A1 (es) | 2004-03-15 | 2006-03-29 | Wyeth Corp | Conjugados de caliqueamicina |
| BRPI0510883B8 (pt) | 2004-06-01 | 2021-05-25 | Genentech Inc | composto conjugado de droga e anticorpo, composição farmacêutica, método de fabricação de composto conjugado de droga e anticorpo e usos de uma formulação, de um conjugado de droga e anticorpo e um agente quimioterapêutico e de uma combinação |
| WO2006065533A2 (en) | 2004-11-29 | 2006-06-22 | Seattle Genetics, Inc. | Engineered antibodies and immunoconjugates |
| US7750116B1 (en) | 2006-02-18 | 2010-07-06 | Seattle Genetics, Inc. | Antibody drug conjugate metabolites |
| RU2448979C2 (ru) | 2006-12-14 | 2012-04-27 | Ридженерон Фармасьютикалз, Инк. | Антитела человека к дельта-подобному лиганду-4 человека |
| WO2008122039A2 (en) | 2007-04-02 | 2008-10-09 | The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | Selenocysteine mediated hybrid antibody molecules |
| WO2008153744A2 (en) | 2007-05-23 | 2008-12-18 | Ventana Medical Systems, Inc. | Polymeric carriers for immunohistochemistry and in situ hybridization |
| MX2010011808A (es) | 2008-04-30 | 2011-03-04 | Immunogen Inc | Conjugados potentes y enlazadores hidrofilicos. |
| KR101763559B1 (ko) | 2008-07-21 | 2017-08-14 | 폴리테릭스 리미티드 | 생물학적 분자의 컨쥬게이팅을 위한 신규한 시약 및 방법 |
| JO3182B1 (ar) | 2009-07-29 | 2018-03-08 | Regeneron Pharma | مضادات حيوية بشرية عالية الالفة مع تولد الاوعية البشرية - 2 |
| CA2770617C (en) | 2009-08-10 | 2018-02-20 | Mark Smith | Reversible covalent linkage of functional molecules |
| CN102933236B (zh) | 2010-04-15 | 2014-10-08 | 斯皮罗根有限公司 | 吡咯并苯二氮卓类及其结合物 |
| WO2012005982A2 (en) | 2010-07-06 | 2012-01-12 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Reporter for rna polymerase ii termination |
| AU2011285919C1 (en) | 2010-08-02 | 2015-09-17 | Regeneron Pharmaceuticals, Inc. | Mice that make binding proteins comprising VL domains |
| MX345538B (es) | 2011-05-27 | 2017-02-03 | Ambrx Inc | Composiciones que contienen, metodos que incluyen, y usos de derivados de dolastatina enlazados a aminoacidos no naturales. |
| US8815226B2 (en) | 2011-06-10 | 2014-08-26 | Mersana Therapeutics, Inc. | Protein-polymer-drug conjugates |
| AU2012322933B2 (en) | 2011-10-14 | 2017-02-02 | Medimmune Limited | Synthesis method and intermediates useful in the preparation of pyrrolobenzodiazepines |
| CA2850373C (en) | 2011-10-14 | 2019-07-16 | Seattle Genetics, Inc. | Pyrrolobenzodiazepines and targeted conjugates |
| CN103998450B (zh) | 2011-10-14 | 2017-03-08 | 麦迪穆有限责任公司 | 吡咯并苯并二氮杂卓 |
| WO2013068874A1 (en) | 2011-11-11 | 2013-05-16 | Pfizer Inc. | Antibody-drug conjugates |
| IN2014CN04961A (enExample) | 2011-12-05 | 2015-09-18 | Igenica Biotherapeutics Inc | |
| CA2864872C (en) * | 2012-02-24 | 2022-07-05 | Alteogen Inc. | Modified antibody in which motif comprising cysteine residue is bound |
| RS60000B1 (sr) * | 2012-10-11 | 2020-04-30 | Daiichi Sankyo Co Ltd | Veznici za antitelo-lek konjugate |
| LT2911699T (lt) | 2012-10-23 | 2018-03-26 | Synaffix B.V. | Modifikuotas antikūnas, antikūnų konjugatas ir jų gavimo būdas |
| WO2014202775A1 (en) * | 2013-06-21 | 2014-12-24 | Innate Pharma | Enzymatic conjugation of polypeptides |
| MX373528B (es) | 2013-08-26 | 2020-04-21 | Regeneron Pharma | Composiciones farmacéuticas que contienen diasterómeros macrólidos, métodos para su síntesis y usos terapéuticos. |
| SI3466976T1 (sl) * | 2014-01-31 | 2021-12-31 | Daiichi Sankyo Company, Limited | Anti-her2 konjugat protitelesa-zdravila |
| JP2017114763A (ja) * | 2014-03-26 | 2017-06-29 | 第一三共株式会社 | 抗cd98抗体−薬物コンジュゲート |
| PT3129063T (pt) * | 2014-04-10 | 2021-04-01 | Daiichi Sankyo Europe Gmbh | Conjugado anticorpo anti-her3-fármaco |
| HK1231367A1 (zh) | 2014-06-02 | 2017-12-22 | Regeneron Pharmaceuticals, Inc. | 抗体药物偶联物、试剂和制备方法及其治疗用途 |
| TWI710573B (zh) * | 2015-01-26 | 2020-11-21 | 美商再生元醫藥公司 | 抗伊波拉病毒醣蛋白之人類抗體 |
| SG11201707383PA (en) * | 2015-03-13 | 2017-10-30 | Cytomx Therapeutics Inc | Anti-pdl1 antibodies, activatable anti-pdl1 antibodies, and methods of use thereof |
| KR101757977B1 (ko) | 2015-06-26 | 2017-07-13 | 아주대학교산학협력단 | 바이오 잉크의 제조방법 및 3d 프린터 적용 |
| CN108779127B (zh) | 2016-01-25 | 2022-07-05 | 里珍纳龙药品有限公司 | 美登素类化合物衍生物、其偶联物和使用方法 |
| EP3419670A2 (en) | 2016-02-26 | 2019-01-02 | Regeneron Pharmaceuticals, Inc. | Optimized transglutaminase site-specific antibody conjugation |
| JP7078609B2 (ja) | 2016-09-23 | 2022-05-31 | リジェネロン・ファーマシューティカルズ・インコーポレイテッド | 抗steap2抗体、抗体-薬物複合体、およびsteap2とcd3を結合する二重特異性抗原結合分子、ならびにそれらの使用 |
| JP7330101B2 (ja) * | 2016-11-08 | 2023-08-21 | レゲネロン ファーマシューティカルス,インコーポレーテッド | ステロイド及びそのタンパク質コンジュゲート |
| TWI782930B (zh) * | 2016-11-16 | 2022-11-11 | 美商再生元醫藥公司 | 抗met抗體,結合met之雙特異性抗原結合分子及其使用方法 |
| WO2018182341A1 (ko) | 2017-03-29 | 2018-10-04 | 주식회사 레고켐 바이오사이언스 | 피롤로벤조디아제핀 이량체 전구체 및 이의 리간드-링커 접합체 화합물 |
| MA47392B1 (fr) * | 2017-05-18 | 2021-09-30 | Regeneron Pharma | Bis-octahydrophénanthrène carboxamides et leurs conjugués protéiques |
| EP3630189A4 (en) | 2017-05-24 | 2021-06-23 | The Board of Regents of The University of Texas System | Linkers for antibody drug conjugates |
| WO2018237335A1 (en) * | 2017-06-23 | 2018-12-27 | VelosBio Inc. | IMMUNOCONJUGUATED ROR1 ANTIBODIES |
| AU2019262953B2 (en) | 2018-04-30 | 2025-12-04 | Regeneron Pharmaceuticals, Inc. | Antibodies, and bispecific antigen-binding molecules that bind HER2 and/or APLP2, conjugates, and uses thereof |
| KR20210008008A (ko) * | 2018-05-09 | 2021-01-20 | 리제너론 파마슈티칼스 인코포레이티드 | 항-msr1 항체 및 이의 사용 방법 |
| WO2019219889A1 (en) * | 2018-05-18 | 2019-11-21 | Glycotope Gmbh | Anti-muc1 antibody |
| US12209180B2 (en) * | 2018-11-20 | 2025-01-28 | Regeneron Pharmaceuticals, Inc. | Bis-octahydrophenanthrene carboxamide derivatives and protein conjugates thereof for use as LXR agonists |
| WO2020245229A1 (en) * | 2019-06-03 | 2020-12-10 | Synaffix B.V. | Acetal-based cleavable linkers |
| CN110974975B (zh) * | 2019-12-12 | 2023-10-20 | 成都百利多特生物药业有限责任公司 | 一种快速释放的抗体药物偶联物 |
| IL295312A (en) * | 2020-02-28 | 2022-10-01 | Regeneron Pharma | Bispecific antigen binding molecules that bind her2, and methods of use thereof |
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| KR20240038138A (ko) | 2024-03-22 |
| MA71650A (fr) | 2025-05-30 |
| US20220072141A1 (en) | 2022-03-10 |
| MX2024003180A (es) | 2024-03-25 |
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| JP2024059609A (ja) | 2024-05-01 |
| AU2021308190A1 (en) | 2023-02-02 |
| EP4406608A3 (en) | 2024-10-30 |
| WO2022015656A9 (en) | 2022-09-22 |
| US20240252661A1 (en) | 2024-08-01 |
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