AU2021279777A1 - Anti-CLDN18.2 antibodies and diagnostic uses thereof - Google Patents

Anti-CLDN18.2 antibodies and diagnostic uses thereof Download PDF

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Publication number
AU2021279777A1
AU2021279777A1 AU2021279777A AU2021279777A AU2021279777A1 AU 2021279777 A1 AU2021279777 A1 AU 2021279777A1 AU 2021279777 A AU2021279777 A AU 2021279777A AU 2021279777 A AU2021279777 A AU 2021279777A AU 2021279777 A1 AU2021279777 A1 AU 2021279777A1
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Australia
Prior art keywords
antibody
seq
cancer
antigen
amino acid
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Pending
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AU2021279777A
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English (en)
Inventor
Yi Gu
Huanhuan GUO
Hongjun Li
Xueming Qian
Xinlai YAO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Transcenta Therapeutics Co Ltd
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Suzhou Transcenta Therapeutics Co Ltd
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Publication of AU2021279777A1 publication Critical patent/AU2021279777A1/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/575—Immunoassay; Biospecific binding assay; Materials therefor for cancer
    • G01N33/5753—Immunoassay; Biospecific binding assay; Materials therefor for cancer of the stomach or small intestine
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/575—Immunoassay; Biospecific binding assay; Materials therefor for cancer
    • G01N33/57535—Immunoassay; Biospecific binding assay; Materials therefor for cancer of the large intestine, e.g. colon, rectum or anus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/575—Immunoassay; Biospecific binding assay; Materials therefor for cancer
    • G01N33/57557—Immunoassay; Biospecific binding assay; Materials therefor for cancer of other specific parts of the body, e.g. brain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/545—Medicinal preparations containing antigens or antibodies characterised by the dose, timing or administration schedule
    • 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
    • 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
    • C07K2317/33—Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/52—Constant or Fc region; Isotype
    • 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]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/732—Antibody-dependent cellular cytotoxicity [ADCC]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/734—Complement-dependent cytotoxicity [CDC]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Biomedical Technology (AREA)
  • Urology & Nephrology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Biotechnology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Physics & Mathematics (AREA)
  • Microbiology (AREA)
  • Cell Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Food Science & Technology (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Plant Pathology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
AU2021279777A 2020-05-25 2021-05-24 Anti-CLDN18.2 antibodies and diagnostic uses thereof Pending AU2021279777A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2020092092 2020-05-25
CNPCT/CN2020/092092 2020-05-25
PCT/CN2021/095411 WO2021238831A1 (en) 2020-05-25 2021-05-24 Anti-cldn18.2 antibodies and diagnostic uses thereof

Publications (1)

Publication Number Publication Date
AU2021279777A1 true AU2021279777A1 (en) 2022-12-08

Family

ID=78745623

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021279777A Pending AU2021279777A1 (en) 2020-05-25 2021-05-24 Anti-CLDN18.2 antibodies and diagnostic uses thereof

Country Status (10)

Country Link
US (1) US20230331836A1 (https=)
EP (1) EP4157885A4 (https=)
JP (1) JP2023527937A (https=)
KR (1) KR20230016212A (https=)
CN (1) CN115836090A (https=)
AU (1) AU2021279777A1 (https=)
CA (1) CA3184008A1 (https=)
MX (1) MX2022014896A (https=)
TW (1) TWI878541B (https=)
WO (1) WO2021238831A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117295524A (zh) 2021-06-02 2023-12-26 百奥泰生物制药股份有限公司 药物偶联物及其用途
CN114539410B (zh) * 2022-03-15 2023-09-05 苏州量化细胞生物科技有限公司 Cldn18.2结合抗体、探针及在cldn18.2表达细胞的单细胞测序中的应用
WO2023196882A1 (en) * 2022-04-06 2023-10-12 Zai Lab (Us) Llc Claudin 18.2 immunohistochemistry assay and use thereof
CN114428174B (zh) * 2022-04-07 2022-07-08 北京肿瘤医院(北京大学肿瘤医院) 一种胃癌预后生物标志物及其应用
WO2024199673A1 (en) * 2023-03-31 2024-10-03 Università Degli Studi Di Verona Methods for predicting and improving therapeutic efficacy of cancer treatments and methods for cancer prognosis
WO2024211459A1 (en) * 2023-04-04 2024-10-10 Zai Lab (Shanghai) Co., Ltd Use of anti-claudin antibody for cancer treatment based on certain biomarkers
CN121399468A (zh) * 2023-05-08 2026-01-23 安捷伦科技有限公司 诊断和治疗癌症的免疫组织化学（ihc）方案和方法 - 密封蛋白18.2
EP4720132A1 (en) * 2023-06-03 2026-04-08 Suzhou Transcenta Therapeutics Co., Ltd. Combination therapies involving claudin 18.2 antagonists for treatment of cancer
KR20260028757A (ko) * 2023-06-08 2026-03-04 안텐진 바이올로직스 리미티드 항-cldn18.2 항체 및 이의 진단적 용도

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10254601A1 (de) * 2002-11-22 2004-06-03 Ganymed Pharmaceuticals Ag Differentiell in Tumoren exprimierte Genprodukte und deren Verwendung
EP1790664A1 (en) * 2005-11-24 2007-05-30 Ganymed Pharmaceuticals AG Monoclonal antibodies against claudin-18 for treatment of cancer
WO2013167153A1 (en) * 2012-05-09 2013-11-14 Ganymed Pharmaceuticals Ag Antibodies useful in cancer diagnosis
WO2014146672A1 (en) * 2013-03-18 2014-09-25 Ganymed Pharmaceuticals Ag Therapy involving antibodies against claudin 18.2 for treatment of cancer
US10858415B2 (en) * 2014-01-29 2020-12-08 Tron—Translationale Onkologie An Der Universitatsmedizin Der Johannes Guttenberg-Universitat Mainz Gemeinnuizige Gmbh Peptide mimotopes of claudin 18.2 and uses thereof
WO2016165762A1 (en) * 2015-04-15 2016-10-20 Ganymed Pharmaceuticals Ag Drug conjugates comprising antibodies against claudin 18.2
WO2016180468A1 (en) * 2015-05-11 2016-11-17 Biontech Cell & Gene Therapies Gmbh Claudin-18.2-specific immunoreceptors and t cell epitopes
SG11202007055QA (en) * 2018-03-08 2020-09-29 Phanes Therapeutics Inc Anti-claudin 18.2 antibodies and uses thereof
EP3765522A4 (en) * 2018-03-14 2022-05-18 Beijing Xuanyi Pharmasciences Co., Ltd. ANTI-CLAUDIN 18.2 ANTIBODIES
US11059887B2 (en) * 2018-05-18 2021-07-13 Lanova Medicines Limited Company Anti-claudin 18.2 antibodies and uses thereof
CN110606891B (zh) * 2018-06-17 2022-12-06 上海健信生物医药科技有限公司 一种针对人cldn18.2的抗体分子，抗原结合片段及其医药用途
KR20210050547A (ko) * 2018-08-27 2021-05-07 난징 산홈 팔마세우티칼 컴퍼니 리미티드 항-클라우딘18.2 항체 및 이의 용도
EP3872093A4 (en) * 2018-10-22 2022-10-19 Shanghai Genbase Biotechnology Co., Ltd. ANTI-CLDN18.2 ANTIBODIES AND USES THEREOF
CN109762067B (zh) * 2019-01-17 2020-02-28 北京天广实生物技术股份有限公司 结合人Claudin 18.2的抗体及其用途

Also Published As

Publication number Publication date
EP4157885A1 (en) 2023-04-05
US20230331836A1 (en) 2023-10-19
CN115836090A (zh) 2023-03-21
TW202212360A (zh) 2022-04-01
CA3184008A1 (en) 2021-12-02
KR20230016212A (ko) 2023-02-01
WO2021238831A1 (en) 2021-12-02
MX2022014896A (es) 2023-01-04
EP4157885A4 (en) 2024-07-10
JP2023527937A (ja) 2023-06-30
TWI878541B (zh) 2025-04-01

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