Abstract: Described herein are protein-payload conjugates and compositions thereof that are useful, for example, for target-specific delivery of therapeutic and/or imaging agent moieties. In certain embodiments, provided are specific and efficient methods for producing protein-payload constructs (e.g., antibody-drug conjugates) utilizing a combination of transglutaminase and Diels-Alder techniques. Antibody-drug conjugates and compositions which comprise glutaminyl-modified antibodies, Diels-Alder adducts, and reactive payloads and are provided.
Abstract: Disclosed are proteolysis-targeting chimeric molecules (PROTACs) that induce degradation of c-MYC protein. The disclosed PROTACs typically include a first targeting moiety that binds to c-MYC (Mc-MYC) which may be derived from a substituted heterocycle that binds to c-MYC such as a substituted pyrazole. The first targeting moiety typically is linked via a bond or a linker (L) to a second targeting moiety that binds to an E3 ubiquitin ligase (ME3). As such, the disclosed PROTACS may be described as having a formula Mc-MYC-L-ME3 or ME3-L-Mc-MYC.
Type:
Application
Filed:
December 22, 2023
Publication date:
June 27, 2024
Inventors:
Gary E. Schiltz, Atul Jain, Huiying Han, Sarki A. Abdulkadir
Abstract: The present application relates to a compound having the formula (I); A-L-B (I) wherein A is represented by; L is a bond or a self-immolative spacer; B is represented by; The compound is capable of releasing molecular cargo in the presence of a reductase and is thus suitable for treating, ameliorating, preventing or diagnosing a disorder selected from a neoplastic disorder; atherosclerosis; an autoimmune disorder; an inflammatory disease; a chronic inflammatory autoimmune disease; ischaemia; and reperfusion injury.
Type:
Application
Filed:
March 22, 2022
Publication date:
June 27, 2024
Applicant:
Ludwig-Maximilians-Universitat Munchen
Inventors:
Julia Thorn-Seshold, Jan Felber, Lukas Zeisel, Oliver Thorn-Seshold
Abstract: The present invention relates to bi-functional compounds which function to recruit endogenous proteins to an E3 ubiquitin ligase for degradation, and methods for using same. More specifically, the present disclosure provides specific proteolysis targeting chimera (PROTAC) molecules which find utility as modulators of targeted ubiquitination of a variety of polypeptides and other proteins, in particular the androgen receptor of a slice variant of AR which lacks the LBD, labelled as AR-V7, which are then degraded and/or otherwise inhibited by the compounds as described herein.
Type:
Application
Filed:
November 8, 2023
Publication date:
June 27, 2024
Inventors:
Roy J. VAZ, Jenny DESANTIS, Michela ELEUTERI
Abstract: The present technology relates generally to oligolactic acid conjugates and stereocomplexes of conjugates of gemcitabine and gemcitabine derivatives, micelle compositions containing such conjugates or stereocomplexes of conjugates, and methods of preparing and using such compositions to treat various cancers. The oligolactic acid conjugates and stereocomplexes of conjugates may include oligolactic acid comprising 2 to 20 lactic acid subunits and may be attached through an amide linkage to the nitrogen of the 4(N) of the gemcitabine or gemcitabine derivative. Compositions comprising water and a micelle comprising a polylactic acid-containing polymer and the oligolactic acid conjugate or stereocomplex of conjugates may be readily prepared. Methods of inhibiting or killing cancer cells and treating gemcitabine sensitive cancers are also provided.
Abstract: The present disclosure relates to modified IL-2 polypeptides, compositions comprising modified IL-2 polypeptides, methods of making the same, and methods of using the modified IL-2 polypeptides for treatment of diseases. In one aspect, the disclosure relates to the treatment of cancer using the modified IL-2 polypeptides. In some embodiments, the disclosed IL-2 polypeptides exhibit preferential binding characteristics to IL-2 receptor ?? complex (IL-2R?) over IL-2 receptor ??? complex (IL-2R?). In some embodiments, the molecular weight distribution of the modified IL-2 polypeptides is monodispersed.
Type:
Application
Filed:
January 27, 2023
Publication date:
June 27, 2024
Inventors:
Vijaya Raghavan PATTABIRAMAN, Roberto IACONE, Jean-Philippe CARRALOT, Matilde ARÉVALO-RUIZ, Jeffrey William BODE, Alexander MAYWEG, Fränzi WEIBEL, Anna HAYDN, Régis BOEHRINGER, Görkem KURTULDU SAHIN, Claudia FETZ, Camille DELON, Eric ARMENTANI, Alexander FLOHR, Giorgio OTTAVIANI
Abstract: A pure amorphous form of 2-chloro-2?-deoxy-adenosine (Cladribrine (1)) complex with HP?CD is provided, wherein the percentage of crystallinity is less than 0.5% (w/w), or alternatively less than 0.2% (w/w). Also provided is a process for the preparation of amorphous form of Cladribine (1) complex with pharmaceutically suitable excipient having percentage of crystallinity less than 0.5%, or alternatively less than 0.2%. (w/w).
Abstract: Disclosed herein is a hydrogel comprising hyaluronic acid polymers that are at least partially crosslinked with fibrinogen molecules. Also disclosed is a composition comprising a glycidyl methacrylate hyaluronic acid monomer chemically conjugated to a fibrinogen molecule. Also disclosed is a method for producing a hydrogel that involves combining the disclosed composition containing GMHA-Fib precursors with an effective amount of a photoinitiator and light (e.g. UV light) to crosslink unconjugated methacrylate sites through free-radical polymerization. Also disclosed is a method for treating a subject with a peripheral nerve injury that involves implanting the disclosed hydrogel at the site of the injury to promote neural regeneration.
Abstract: The present disclosure provides nerve targeting peptides, including those comprising the amino acid sequence of any one of SEQ ID NOS: 1-710; conjugates comprising such nerve targeting peptides and a cargo molecule; compositions comprising said peptides and conjugates; and methods of said peptides and conjugates in surgical procedures and other applications.
Abstract: Nerve targeting peptides, including those comprising the amino acid sequence of any one of SEQ ID NOS:1-557, Formulas (I)-(XLIV), and Subformulas (Ia)-(XLIVa); conjugates comprising such nerve targeting peptides and a cargo molecule; compositions comprising such peptides and conjugates; and their use in methods of fluorescent guided surgery and other applications.
Abstract: Compounds useful as biologically active compounds are disclosed. The compounds have the following structure (I): or a stercoisomer, tautomer or salt thereof, wherein R1, R2, R3, L, L1, L2, L3, L4, M, m and n are as defined herein. Methods associated with preparation and use of such compounds is also provided.
Abstract: The present disclosure is directed to linker-payloads, and pharmaceutically acceptable salts, solvates, or stereoisomer thereof, comprising a structure of formula I: The disclosure is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds, intermediates thereof, and compositions in the prevention or treatment of cancers and/or tumors.
Type:
Application
Filed:
December 12, 2023
Publication date:
June 27, 2024
Applicant:
Merck Sharp & Dohme LLC
Inventors:
Manoj B. Charati, John A. Flygare, Rebecca Elizabeth Johnson, Simon B. Lang, W. Michael Seganish
Abstract: Steroid acid-peptide conjugates covalently modified for improved stability and/or biological activity are described herein. Covalent modifications include the formation of multimeric compounds comprising at least two steroid acid-peptide monomers covalently bound to one another that behave as new chemical entities, as well as protecting one or more free thiol groups present in the steroid acid-peptide conjugates to improve their stability and/or biological activity.
Abstract: The invention relates to conjugates of biologically active compounds, wherein such a conjugate is comprised of a sequence of amino acids containing a tripeptide that confers selective cleavage by tumor tissue homogenate for release of free drug and/or improves biodistribution into the tumor tissue in comparison to normal tissue homogenate from the same species, wherein the normal tissue is the site of an adverse event associated with administration to a human subject in need thereof of a therapeutically effective amount of a comparator conjugate whose amino acid sequence is a dipeptide known to be selectively cleavable by Cathepsin B.
Type:
Application
Filed:
September 14, 2023
Publication date:
June 27, 2024
Inventors:
Scott JEFFREY, Ryan LYSKI, Philip MOQUIST, Nicole DUNCAN, Noah BINDMAN, Nicole OKELEY, Peter SENTER, Divya AWASTHI
Abstract: The invention provides compositions and methods useful for the depletion of cells, such as CD45+, CD135+, CD34+, CD90+, and/or CD110+ cells, and for the treatment of various hematopoietic diseases, metabolic disorders, cancers, and autoimmune diseases, among others. Described herein are antibodies, antigen-binding fragments, ligands, and conjugates thereof that can be applied to effect the treatment of these conditions, for instance, by depleting a population of CD45+, CD135+, CD34+, CD90+, or CD110+ cells in a patient, such as a human. The compositions and methods described herein can be used to treat a disorder directly, for instance, by depleting a population of CD45+, CD135+, CD34+, CD90+, or CD110+ cancer cells or autoimmune cells.
Type:
Application
Filed:
November 3, 2023
Publication date:
June 27, 2024
Inventors:
Andrew Nixon, Dwight Morrow, Adam Hartigan
Abstract: Aspects of the disclosure relate to complexes comprising a muscle-targeting agent covalently linked to a molecular payload. In some embodiments, the muscle-targeting agent specifically binds to an internalizing cell surface receptor on muscle cells. In some embodiments, the molecular payload promotes the expression or activity of a functional dystrophin protein. In some embodiments, the molecular payload is an oligonucleotide, such as an antisense oligonucleotide, e.g., an oligonucleotide that causes exon skipping in a mRNA expressed from a mutant DMD allele.
Type:
Application
Filed:
March 1, 2024
Publication date:
June 27, 2024
Applicant:
Dyne Therapeutics, Inc.
Inventors:
Romesh R. Subramanian, Mohammed T. Qatanani, Timothy Weeden, Cody A. Desjardins, Brendan Quinn, John Najim
Abstract: Provided is use of an antibody-drug conjugate targeting Her2 in combination with an immune checkpoint inhibitor such as PD-1 antibody or PD-L1 antibody, in the preparation of a medicine for treating patients with urothelial cancer, especially locally advanced or metastatic urothelial cancer. Compared to treatment with either of the two drugs alone, treatment with both in combination has a marked synergistic effect and significant therapeutic effect. In addition, the combination treatment had good efficacy for patients with low HER2 IHC expression (1+).
Type:
Application
Filed:
November 16, 2023
Publication date:
June 27, 2024
Inventors:
Jianmin FANG, Jing JIANG, Shenjun LI, Xiaohong SU
Abstract: Provided is an isolated monoclonal antibody that specifically binds human TROP2, or the antigen-binding portion thereof. A nucleic acid molecule encoding the antibody or the antigen-binding portion thereof, an expression vector, a host cell and a method for expressing the antibody or the antigen-binding portion thereof are also provided. Further provided are a bispecific molecule, an immunoconjugate, a chimeric antigen receptor, an oncolytic virus and a pharmaceutical composition comprising the antibody or the antigen-binding portion thereof, as well as a treatment method using an anti-TROP2 antibody or the antigen-binding portion thereof.
Abstract: An immunoconjugate includes an anti-ENO-1 antibody, or a binding fragment thereof, and a therapeutic agent or a label, having the formula: Ab-(L-D)m, wherein Ab is the anti-ENO-1 antibody or the binding fragment thereof, L is a linker or a direct bond, D is the therapeutic agent or the label, and m is an integer from 1 to 12. The antibody may be a monoclonal antibody, which may be a humanized antibody or fully human antibody. A method for treating an inflammatory disease, immune disorder, or cancer includes administering to a subject in need of such treatment a pharmaceutically effective amount of an immunoconjugate containing an antibody against ENO-1, or a binding fragment thereof, and a therapeutic agent covalently conjugated with the antibody.
Abstract: The present invention pertains to improved methods for preparing cyclooctenes and conjugates thereof. In particular, methods for regioselective modification and/or enantiomerically enriching compounds are disclosed. In addition, compounds prepared by these methods are disclosed as well.
Type:
Application
Filed:
March 16, 2022
Publication date:
June 27, 2024
Applicant:
Tagworks Pharmaceuticals B.V.
Inventors:
Wolter TEN HOEVE, Marc Stefan ROBILLARD, Catalina FERRER, Laurens Henri Johan KLEIJN, Ronny Mathieu VERSTEEGEN
Abstract: The present invention provides improved processes for the preparation of drug-linkers with a ?-glucuronide cleavable unit, as well as intermediates thereof.
Type:
Application
Filed:
June 23, 2023
Publication date:
June 27, 2024
Inventors:
Yunyu MAO, Philip MOQUIST, Anusuya CHOUDHURY, Wendel DOUBLEDAY
Abstract: A preparation method and application of a biomimetic nano-protectant for detoxifying doxorubicin (DOX)-induced cardiac and systemic toxicity are provided. The preparation method comprises the following steps: obtaining and mixing DNA and protamine (Pro) to prepare DNA&Pro nanoparticles; reacting heterofunctional polyethylene glycol DSPE-PEG2000-MAL with PCM/KALA to prepare DSPE-PEG2000-PCM/KALA; inserting DSPE-PEG2000-PCM/KALA into a surface of Red Blood Cell Membrane (RBCM) to prepare PCM/KALA-RBCM; and mixing the RBCM-PCM/KALA with the DNA&Pro nanoparticles to prepare a biomimetic nano-protectant DNA&Pro@RBCM-PCM/KALA. The biomimetic nano-protectant prepared is applied to detoxification of DOX.
Type:
Application
Filed:
June 27, 2022
Publication date:
June 27, 2024
Applicant:
The Second Affiliated Hospital of Wenzhou Medical University
Abstract: Molecular self-assembled nanoparticles and a preparation method and application thereof are provided in the present application, relating to the technical field of precise treatment of arthritis. The molecular self-assembled nanoparticles include a neutrophil membrane and aspirin-functionalized polyethylene glycol (PEG) nanoparticles, where the neutrophil membrane is coated on a surface of the aspirin-functionalized PEG nanoparticles, and a mass ratio of the neutrophil membrane to the aspirin-functionalized PEG nanoparticles is 1:8.
Type:
Application
Filed:
August 3, 2023
Publication date:
June 27, 2024
Inventors:
Bolei CAI, Liang KONG, Feng CAO, Fuwei LIU, Le WANG, Yunpeng LI, Taiqiang DAI, Han BAO
Abstract: Disclosed is a liquid crystal-based multifunctional micro robot including a micro structure including at least one topological defect, an adherent micro particle that is bound to the topological defect and induces self-assembly of a target including a bacterium and a target material based on an antigen-antibody reaction, a physical binding reaction, or a chemical binding reaction, and the bacterium that is attached to the adherent micro particle and provides self-power so that the micro structure approaches the target material.
Type:
Application
Filed:
October 5, 2023
Publication date:
June 27, 2024
Inventors:
Young-Ki Kim, Sangmin Jeon, Chang Yun Son, Minjae Lee, Yena Choi, Jin-Kang Choi, Kwang-Suk Oh, Hyunsoo Han, Eunsu Cho
Abstract: The present disclosure provides a lipid nanoparticle comprising: a nucleic acid cargo molecule; sterol or a derivative thereof present at elevated content; neutral lipid; an ionizable lipid; and a hydrophilic polymer-lipid conjugate present at a content between 0.5 and 3 mol %, wherein each mol % content is relative to total lipid present in the lipid nanoparticle.
Type:
Application
Filed:
March 8, 2024
Publication date:
June 27, 2024
Inventors:
Kevin An, Daniel Kurek, Jayesh Kulkarni, Dominik Witzigmann
Abstract: Pharmaceutical compositions and methods of making the composition are disclosed, wherein nucleic acid-based drugs can be introduced into cells by using cell-derived natural or artificial nanovesicles loaded with nucleic acid-based drugs. In the compositions, natural or artificial nanovesicles loaded with antisense oligonucleotides exhibit properties that inhibit proliferation and migration of cancer cells and increase drug sensitivity when co-administered with conventional chemotherapeutic agents.
Abstract: Aspects of the disclosure relate to compositions and methods for delivering a transgene (e.g., an anti-inflammatory transgene encoding one or more gene products) to a joint. The disclosure is based, in part, on adeno-associated virus (AAV) capsid protein variants characterized by tropisms for joint tissues (e.g., cartilage, skin, muscle, and bone cells). Methods of treating arthritis in a joint by administering an rAAV comprising the AAV capsid protein variants are also described by the disclosure.
Type:
Application
Filed:
April 26, 2022
Publication date:
June 27, 2024
Applicant:
University of Massachusetts
Inventors:
Yukiko Maeda, Phillip Tai, Guangping Gao
Abstract: In some aspects, the present disclosure provides compositions comprising one or more of each of the following nucleic acids: (1) a mRNA; (2) a sgRNA; and (3) a DNA; and a lipid nanoparticle comprising at least one ionizable lipid; wherein the each of the nucleic acids are encapsulated within the lipid nanoparticle, and pharmaceutical compositions thereof. The present disclosure also provides methods employing said compositions and/or pharmaceutical compositions, such as methods of repairing genes, methods of performing homology directed repair on the genome, and methods of treating diseases or disorders.
Type:
Application
Filed:
April 22, 2022
Publication date:
June 27, 2024
Applicant:
The Board of Regents of The University of Texas System
Abstract: The invention provides compositions and methods for treatment of glioblastoma and other conditions. In particular, the invention provides a recombinant adeno-associated virus (AAV) vector comprising a transgene encoding one or more interferon polypeptides and a CAG promoter which directs the expression of the transgene. The compositions are particularly suitable for intratumoral administration in gene therapy applications.
Type:
Application
Filed:
June 30, 2021
Publication date:
June 27, 2024
Applicants:
CHAN ZUCKERBERG BIOHUB, INC., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Inventors:
NICOLE K. PAULK, JOSEPH L DERISI, DAVID R. RALEIGH
Abstract: Synthetic adenoviruses with liver detargeting mutations and expressing an adenovirus type 34 (Ad34) fiber protein, or a chimeric fiber protein with an Ad34 knob domain, are described. The synthetic adenoviruses traffic to sites of tumors. Use of the synthetic adenoviruses for delivering diagnostic or therapeutic transgenes to tumors are also described.
Type:
Application
Filed:
September 29, 2023
Publication date:
June 27, 2024
Applicant:
Salk Institute for Biological Studies
Inventors:
Clodagh O'Shea, Colin Powers, Lei Zhang
Abstract: The present disclosure provides systems and methods for m6A-dependent delivery and m6A-dependent delivery targeted of a polypeptide to a cell. In certain embodiments, compositions, systems, and methods are provided that provide for m6A-dependent delivery of effector proteins, for example, effector proteins, such as a tumor suppression proteins and m6a regulation systems, mediated by CRISPRi in embodiments.
Abstract: Novel adeno-associated virus (AAV) vectors in nucleotide and amino acid forms and uses thereof are provided. The isolates show specific tropism for certain target tissues, such as blood stem cells, liver, heart and joint tissue, and may be used to transduce stem cells for introduction of genes of interest into the target tissues. Certain of the vectors are able to cross tightly controlled biological junctions, such as the blood-brain barrier, which open up additional novel uses and target organs for the vectors, providing for additional methods of gene therapy and drug delivery.
Type:
Application
Filed:
October 13, 2023
Publication date:
June 27, 2024
Inventors:
Saswati CHATTERJEE, Laura SMITH, Kamehameha WONG
Abstract: Among the various aspects of the present disclosure is the provision of compositions and methods of making regulatable, adeno-associated viral vectors for the therapeutic expression of CRX and methods of use thereof.
Abstract: Aspects of the disclosure relate—compositions and methods useful for delivering minigenes—a subject. Accordingly, the disclosure is based, in part, on isolated nucleic acids and gene therapy vectors, such as viral (e.g., rAAV) vectors, comprising one or more gene fragments encoding a therapeutic gene product, such as a protein or peptide (e.g., a minigene). In some embodiments, the disclosure relates to gene therapy vectors encoding a ABCA4 protein (e.g., the gene product of ABCA4 gene) or a portion thereof. In some embodiments, compositions described by the disclosure are useful for treating diseases associated with mutations in the ABCA4 gene, for example, Stargardt disease.
Abstract: The present invention concerns a new gene therapy approach to increase light-sensitivity in degenerating cones in advanced stages of rod-cone dystrophy (RCD) mediated by G-protein-gated inwardly rectifying potassium channel (GIRK), in particular GIRK4 S143T, activated by G proteins recruited by cone opsin expressed in degenerating cones.
Abstract: Provided herein are compositions including brain-capillary binding and/or blood-brain barrier crossing (BBB) tissue-targeting peptides linked thereto or inserted in a targeting protein of a recombinant vector having at least one exogenous peptide comprising an amino acid sequence of Y-G/A/R/K-Y/H-GNPA-T/R/H-RYFD-V/K. Compositions providing such conjugates, targeting peptides, or recombinant vectors having a mutant capsid or envelope protein are provided as are uses thereof.
Type:
Application
Filed:
April 22, 2022
Publication date:
June 27, 2024
Applicant:
The Trustees of the University of Pennsylvania
Inventors:
Joshua Joyner SIMS, James M. WILSON, Yuan YUAN
Abstract: The present invention relates to the field of pharmaceutical preparations, in particular to a 13C-methacetin granule, and a preparation method therefor and the use thereof. Provided is the 13C-methacetin granule, comprising 13C-methacetin, mannitol, a co-solvent and a wetting agent. The 13C-methacetin granule has good stability, is beneficial for storage and the production of subsequent preparations, etc. The 13C-methacetin granule has good water solubility, can be rapidly dissolved in water during clinical use, and is convenient to take. Further provided is the use of the 13C-methacetin granule in the preparation of drugs, reagents or kits for disease diagnosis, evaluation of the liver reserve function and preoperative and postoperative evaluation of the liver. The provided preparation method of the 13C-methacetin granule has mild conditions, simple operation and convenient production control.
Abstract: Disclosed are a system and an in vivo assay for the physiological evaluation of water-soluble general anesthetics. The assay is based on the effects of anesthetics on the frequency of the pacemaker nucleus, an endogenous neural oscillator in the brainstem, of the weakly electric fish Apteronotus leptorhynchus.
Abstract: The present invention relates to a combination comprising a neurotensin receptor binding compound and NAPOX for use for the treatment of a neurotensin receptor overexpressing tumour in a subject.
Type:
Application
Filed:
December 15, 2023
Publication date:
June 27, 2024
Inventors:
Stephan Klinz, Diane-Charlotte Imbs, Elodie Lewkowicz, Sylvie Rolland, Thomas Rohban, John R. Forbes
Abstract: The disclosure is directed in part to polymerizable compositions that can incorporate a radioactive source and be used to treat subjects with certain conditions, and methods of producing and use thereof.
Abstract: An aspect relates to a cancer-specific polypeptide consisting of an amino acid sequence of SEQ ID NO: 1. The polypeptide according to an aspect may bind specifically to LGR5 protein expressed in a tumor tissue, and when binding to a labeling material (for example, a fluorescent material), a cancer that expresses the LGR5 protein may be diagnosed. Furthermore, when the polypeptide binds to an isotope, a metastatic tumor may be also diagnosed. When the polypeptide according to an aspect binds to a photosensitizer and is then administered to a subject, the photosensitizer may be activated through light irradiation so that cancer cells may be killed, thereby enabling the prevention, amelioration, or treatment of cancer.
Abstract: Disclosed are TATE derivatives having a linker between the TATE moiety and a macrocyclic radionuclide chelating moiety. Methods of synthesis and use are also disclosed. The compounds preferably exhibit a ratio of kidney: liver uptake by a subject within 24 hours of 5 or less, 3 or less, 1 or less, 0.5 or less, preferably from 2:1 to 1:2.
Type:
Application
Filed:
April 26, 2022
Publication date:
June 27, 2024
Inventors:
David MORSE, Haitao JI, Thaddeus WADAS, Darpan PANDYA
Abstract: A storage method according to an aspect of the present invention includes storing an intermediate of a radiopharmaceutical composition in an acetate buffer. The intermediate is a complex of a 3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(15), 11, 13-triene-3,6,9-triacetic acid (PCTA) and an anti-epidermal growth factor receptor antibody (anti-EGFR antibody). The intermediate is stored for a storage period of not less than 24 hours.
Abstract: An HER2 affibody 99mTc marker composition and application thereof are provided, which relates to the field of radiopharmaceuticals and nuclear medicine. The HER2 affibody 99mTc marker composition contains HEPES, sodium glucoheptonate, vitamin C, cysteine, stannous chloride and an HER2 affibody.
Type:
Application
Filed:
August 16, 2021
Publication date:
June 27, 2024
Inventors:
Jiong CAI, Yi LIU, Dalin GAO, Xu SONG, Kai XIAO, Chen LIANG, Guozhong DING, Mingxia LIU
Abstract: The present invention aims to provide a Actinium-225-labeled anti-MUC5AC humanized antibody that is superior in the specificity for mucin subtype 5AC (MUC5AC) and accumulation in tumor, and shows reduced renal toxicity. The present invention relates to a conjugate of a chelating agent chelated with Actinium-225 and an antibody, wherein the antibody is a humanized antibody that specifically binds to mucin subtype 5AC and has a heavy chain variable region consisting of the amino acid sequence shown in any of SEQ ID NOs: 1 to 4, and a light chain variable region consisting of the amino acid sequence shown in any of SEQ ID NOs: 5 to 8.