nn or a pharmaceutically acceptable salt thereof, and further provided is a linker for conjugation represented by formula (L). The linker can efficiently and highly selectively perform chemical conjugation with a thiol group on cysteine, and the antibody-drug conjugate formed has good stability.
A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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
A61K 47/64 - 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
C07K 5/062 - Dipeptides the side chain of the first amino acid being acyclic, e.g. Gly, Ala
The present invention relates to a DLL3 antibody, and an application thereof. Specifically, the present invention relates to an antibody or an antigen-binding fragment thereof which specifically binds to DLL3, an encoding nucleic acid thereof, a recombinant vector and a host cell, a preparation method, a pharmaceutical composition, and a use for treating diseases, for example, a use for treating a tumor. The present invention has important significance with respect to the development of DLL3-targeted treatment drugs and detection reagents.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
A61K 39/395 - AntibodiesImmunoglobulinsImmune serum, e.g. antilymphocytic serum
The present invention relates to a DLL3 antibody and the use thereof, and in particular to an antibody or an antigen-binding fragment specifically binding to DLL3, in particular a VHH antibody, an encoding nucleic acid thereof, a recombinant vector and a host cell, a preparation method, a pharmaceutical composition, and the use for treating a disease, for example, the use for treating a tumor. The present invention is of great significance with regard to the development of a therapeutic drug based on a DLL3 target and the development of a detection reagent.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
The present application describes a polycyclic compound represented by general formula (I) as a Cbl-b inhibitor, or a stereoisomer or pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the compound of general formula (I) or the stereoisomer or pharmaceutically acceptable salt thereof, and a use of the compound of general formula (I) or the stereoisomer or pharmaceutically acceptable salt thereof, or the pharmaceutical composition in the prevention or treatment of diseases or conditions mediated by Cbl-b.
The present application describes a polycyclic compound represented by general formula (I) as a Cbl-b inhibitor, or a stereoisomer or pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the compound of general formula (I) or the stereoisomer or pharmaceutically acceptable salt thereof, and a use of the compound of general formula (I) or the stereoisomer or pharmaceutically acceptable salt thereof, or the pharmaceutical composition in the prevention or treatment of diseases or conditions mediated by Cbl-b.
A61K 31/436 - 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having oxygen as a ring hetero atom, e.g. rapamycin
A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
A61K 31/4545 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 491/052 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being six-membered
A CD19 antibody and an application thereof, an antibody or antigen binding fragment specifically binding to human CD19, a multi-characteristic antigen binding molecule, a chimeric antigen receptor, an immune effector cell, a nucleic acid molecule, a vector, a cell, a preparation method, a pharmaceutical composition, a pharmaceutical use, and a disease treatment method. The present invention has great significance for the development of drugs for treating CD19-related diseases.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
A61K 39/00 - Medicinal preparations containing antigens or antibodies
Provided are a ligand-drug conjugate having a novel structure and a linker for conjugation. Specifically, provided are a ligand-drug conjugate having a structural general formula of Pc-(Lann or Pc-(Lbnn, a corresponding linker for conjugation, a pharmaceutical composition containing the conjugate, and a use of the conjugate as an anti-tumor drug.
A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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
C07K 16/18 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans
Provided are a compound represented by formula (A) or a pharmaceutically acceptable salt, a pharmaceutical composition comprising same, and the use thereof, which is particularly suitable for preparing a drug for treating or preventing abnormal cell proliferation diseases. Z—L—PTM (A)
C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
C07D 277/10 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
Provided are a crystal of a dihydropteridinone compound as represented by formula (I) or a salt or eutectic thereof, and a method for preparing the crystal of the dihydropteridinone compound or the salt or eutectic thereof. In addition, the present disclosure also relates to the use of a pharmaceutical composition comprising the crystal of the dihydropteridinone compound or the salt or eutectic thereof in the preparation of a drug for preventing or treating related pharmacological conditions.
Disclosed are a compound of formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof as a Cbl-b inhibitor, a preparation method therefor, and a pharmaceutical composition containing the compound of formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof, and the use of the compound of formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof or the pharmaceutical composition thereof in the preparation of a drug for preventing or treating diseases or conditions mediated by Cbl-b comprising tumors or autoimmune diseases.
C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
A compound as represented by formula (I), which has a membrane-associated tyrosine and threonine kinase inhibitory activity, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition thereof, and the use of the compound as represented by formula (I) or a pharmaceutically acceptable salt thereof as a membrane-associated tyrosine and threonine kinase inhibitor in the prevention or treatment of diseases mediated by membrane-associated tyrosine and threonine, such as tumors.
C07D 487/22 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups in which the condensed system contains four or more hetero rings
A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
A61K 31/437 - 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
Provided is a humanized antibody or antigen-binding fragment that specifically binds to GPC3. The antibody or antigen-binding fragment has high affinity with GPC3 protein, and can be used in the preparation of drugs for treating tumors and the like. Also provided are a nucleic acid molecule encoding the humanized GPC3 antibody or antigen-binding fragment, an expression vector, a host cell, and a method for preparing the antibody or antigen-binding fragment. Also provided are an immunoconjugate comprising same, a chimeric antigen receptor, an immunocompetent cell, a multispecific molecule, and a pharmaceutical composition. Also provided are a method for detecting GPC3, and a method for treating various GPC3-related disorders including hepatocellular carcinoma.
C07K 16/30 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
A61K 39/00 - Medicinal preparations containing antigens or antibodies
G01N 33/68 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving proteins, peptides or amino acids
Provided are a compound of formula (I) which acts as a Cbl-b inhibitor, or a stereoisomer thereof or a pharmaceutically acceptable salt thereof, a preparation method therefor, a pharmaceutical composition comprising the compound of formula (I) or the stereoisomer thereof or the pharmaceutically acceptable salt thereof, and use of the compound of formula (I) or the stereoisomer thereof or the pharmaceutically acceptable salt thereof in the prevention or treatment of Cbl-b-mediated diseases or conditions including tumors or autoimmune diseases.
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
C07D 407/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 413/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
A61K 31/4439 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
The present application discloses a compound of formula (I) as a USP1 inhibitor, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the compound or the pharmaceutically acceptable salt thereof, and use thereof in prevention or treatment of diseases associated with USP1.
The present application discloses a compound of formula (I) as a USP1 inhibitor, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the compound or the pharmaceutically acceptable salt thereof, and use thereof in prevention or treatment of diseases associated with USP1.
A61K 31/5383 - 1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems
A61K 31/537 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines spiro-condensed or forming part of bridged ring systems
A61K 31/542 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
A61K 31/55 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
Disclosed is a bicyclic compound used as a FGFR inhibitor, and specifically disclosed is a compound represented by formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising same, and a use thereof in the preparation of a drug for the treatment of cancer.
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
Disclosed are a class of heterocyclic compounds acting as FGFR inhibitors, and specifically disclosed are a compound represented by formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising same, and an application thereof in the preparation of a drug for treating cancer.
A61K 31/437 - 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
Provided in the present invention are novel fused heterocyclic aromatic hydrocarbon compounds or pharmaceutically acceptable salts thereof, a pharmaceutical composition containing same, and the use of same as a KIF18A inhibitor in prevention or treatment of related diseases.
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
A61K 31/517 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
The present disclosure discloses a compound having formula (I) or a pharmaceutically acceptable salt thereof which acts as a USP1 inhibitor, a pharmaceutical composition comprising the compound or the pharmaceutically acceptable salt thereof, and a use thereof in the prevention or treatment of diseases mediated by USP1.
C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
An anti-CD33 antibody and a preparation method therefor and an application thereof. The anti-CD33 antibody has high affinity with CD33 protein, and therefore, can be used for preparation of a drug for treating tumor and the like.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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
Provided in the present disclosure are compounds represented by formula (I) or pharmaceutically acceptable salts, pharmaceutical compositions comprising same, and the use thereof. The compounds are particularly suitable for preparing drugs used for treating or preventing abnormal cell proliferation diseases. CLM-L-PTM (I)
C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
The present disclosure provides a compound represented by formula (I) or a pharmaceutically acceptable salt, a pharmaceutical composition comprising the same, and use of the same, particularly suitable for preparing a drug for treating or preventing abnormal cell proliferation diseases.
CD22 antibodies, a preparation method therefor, and an application thereof. The CD22 antibodies have a high affinity to CD22 protein Therefore, the CD22 antibodies can be used in the preparation of drugs for the treatment of diseases such as tumors and autoimmune diseases.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
A61K 39/00 - Medicinal preparations containing antigens or antibodies
An antibody or antigen-binding fragment specifically binding to HER2, a multi-specific antigen binding molecule, a chimeric antigen receptor, an immune effector cell, a nucleic acid fragment, a vector, a host cell, a pharmaceutical composition, a kit, a preparation method, and an application thereof in treatment of tumors or cancers and detection of HER2, which is of great significance for the development of HER2 antibody therapeutic drugs and detection reagents.
C07K 16/32 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products from oncogenes
A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting 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
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
G01N 33/573 - ImmunoassayBiospecific binding assayMaterials therefor for enzymes or isoenzymes
Provided are a GPC3 antibody and an application thereof, and specifically provided are an antibody or an antigen-binding fragment that specifically binds to GPC3, a multispecific antigen-binding molecule, a chimeric antigen receptor, an immune effector cell, isolated nucleic acid fragments, a vector, a host cell, a corresponding preparation method, a pharmaceutical composition, a treatment method, a pharmaceutical use, a GPC3 detection method and a detection kit. The present disclosure is of great significance in the preparation of drugs for treating cancer or tumor.
C07K 16/30 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
A61K 39/00 - Medicinal preparations containing antigens or antibodies
G01N 33/574 - ImmunoassayBiospecific binding assayMaterials therefor for cancer
Provided are an CD22 nano antibody, and a preparation method therefor and an application thereof. The CD22 nano antibody has high affinity with a CD22 protein, and can be used for preparing drugs for treating tumors, autoimmune diseases, etc.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
A61K 39/00 - Medicinal preparations containing antigens or antibodies
The present invention discloses a humanized CD19 antibody and use thereof, in particular discloses an antibody or an antigen-binding fragment capable of binding to CD19, a multispecific antigen-binding molecule, a chimeric antigen receptor, an immune effector cell, a nucleic acid fragment, a vector, a cell, a composition, a preparation method, pharmaceutical use and a treatment method for cancer and an autoimmune disease, which are of great significance for the treatment of the cancer and the autoimmune disease.
C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
26.
CAMPTOTHECIN DERIVATIVE, AND PHARMACEUTICAL COMPOSITION AND USE THEREOF
Provided are a compound of formula (I), or a stereoisomer or pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof, and the anti-tumor use thereof.
A61K 31/436 - 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 ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having oxygen as a ring hetero atom, e.g. rapamycin
C07D 491/147 - Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
C07D 491/22 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or in which the condensed system contains four or more hetero rings
A compound of formula (I) as a USP1 inhibitor or a pharmaceutically acceptable salt thereof, a pharmaceutical composition containing the compound or the pharmaceutically acceptable salt thereof, and the use thereof in the prevention or treatment of diseases associated with USP1.
A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems
A61K 31/5383 - 1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
A61K 31/542 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with heterocyclic ring systems
C07D 475/00 - Heterocyclic compounds containing pteridine ring systems
C07D 475/12 - Heterocyclic compounds containing pteridine ring systems containing pteridine ring systems condensed with carbocyclic rings or ring systems