CN114630840B - 新型抗cldn18.2抗体 - Google Patents

新型抗cldn18.2抗体 Download PDF

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Publication number
CN114630840B
CN114630840B CN202080058759.9A CN202080058759A CN114630840B CN 114630840 B CN114630840 B CN 114630840B CN 202080058759 A CN202080058759 A CN 202080058759A CN 114630840 B CN114630840 B CN 114630840B
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China
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seq
sequence
antigen
antibody
cells
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Chinese (zh)
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CN114630840A (zh
Inventor
钱雪明
李振
滕菲
李红俊
柴辉
郭欢欢
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Chuangsheng Group Pharmaceutical Co ltd
Chuangsheng Pharmaceutical Co ltd
Suzhou Chuangsheng Pharmaceutical Group Co ltd
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Chuangsheng Group Pharmaceutical Co ltd
Chuangsheng Pharmaceutical Co ltd
Suzhou Chuangsheng Pharmaceutical Group Co ltd
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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
    • 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
    • C07K16/3076—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 against structure-related tumour-associated moieties
    • 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
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503—Immunoglobulin superfamily
    • C07K14/7051—T-cell receptor (TcR)-CD3 complex
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24—Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • 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
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
    • 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
    • C07K2317/77—Internalization into the cell
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2319/00—Fusion polypeptide
    • C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
    • C07K2319/03—Fusion polypeptide containing a localisation/targetting motif containing a transmembrane segment

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cell Biology (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biophysics (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Zoology (AREA)
  • Toxicology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicinal Preparation (AREA)
CN202080058759.9A 2019-08-20 2020-08-20 新型抗cldn18.2抗体 Active CN114630840B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN2019101563 2019-08-20
CNPCT/CN2019/101563 2019-08-20
CNPCT/CN2020/097559 2020-06-22
CN2020097559 2020-06-22
PCT/CN2020/110220 WO2021032157A1 (en) 2019-08-20 2020-08-20 Novel anti-cldn18.2 antibodies

Publications (2)

Publication Number Publication Date
CN114630840A CN114630840A (zh) 2022-06-14
CN114630840B true CN114630840B (zh) 2024-08-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080058759.9A Active CN114630840B (zh) 2019-08-20 2020-08-20 新型抗cldn18.2抗体

Country Status (11)

Country Link
US (1) US20220306765A1 (https=)
EP (1) EP4017883A4 (https=)
JP (1) JP7767270B2 (https=)
KR (1) KR20220045040A (https=)
CN (1) CN114630840B (https=)
AU (1) AU2020332585A1 (https=)
BR (1) BR112022003147A2 (https=)
CA (1) CA3149406A1 (https=)
MX (1) MX2022002111A (https=)
TW (1) TW202120558A (https=)
WO (1) WO2021032157A1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210110339A (ko) * 2018-12-28 2021-09-07 난징 진스크립트 바이오테크 컴퍼니 리미티드 클라우딘18.2 결합 모이어티 및 그 용도
SG11202108398YA (en) 2019-02-01 2021-08-30 Novarock Biotherapeutics Ltd Anti-claudin 18 antibodies and methods of use thereof
WO2022098972A1 (en) 2020-11-08 2022-05-12 Seagen Inc. Combination-therapy antibody drug conjugate with immune cell inhibitor
US20240307564A1 (en) * 2021-02-19 2024-09-19 Suzhou Transcenta Therapeutics Co., Ltd. Anti-cldn18.2 antibody conjugates
CN113151211B (zh) * 2021-03-11 2022-06-14 中国科学院合肥物质科学研究院 一种α-1,3-岩藻糖基转移酶突变体及利用该突变体制备3-岩藻糖基乳糖的应用
US12600774B2 (en) * 2021-05-31 2026-04-14 Shijiazhuang Yiling Pharmaceutical Co., Ltd. Monoclonal antibodies against CLDN18.2 and Fc-engineered versions thereof
WO2023025306A1 (zh) * 2021-08-27 2023-03-02 三优生物医药(上海)有限公司 靶向pd-l1和cldn18.2的双特异性抗体及其制备方法和应用
JP2024540062A (ja) * 2021-11-05 2024-10-31 チア タイ ティエンチン ファーマシューティカル グループ カンパニー リミテッド 抗ｃｌｄｎ１８．２抗体及びその用途
CN116410326A (zh) * 2021-12-30 2023-07-11 三优生物医药(上海)有限公司 抗cd40×cldn18.2双特异性抗体及其用途
WO2023221935A1 (zh) * 2022-05-17 2023-11-23 苏州创胜医药集团有限公司 结合pd-l1和cldn18.2的抗体及其用途
TW202415407A (zh) * 2022-06-30 2024-04-16 中國大陸商蘇州創勝醫藥集團有限公司 穩定之包含抗cldn18.2抗體的藥物製劑
WO2024041574A1 (en) * 2022-08-24 2024-02-29 Suzhou Transcenta Therapeutics Co., Ltd. Non-invasive methods using anti-cldn18.2 antibody-radionuclide conjugates
CN115975032B (zh) * 2022-12-19 2024-06-07 华润生物医药有限公司 一种cldn18.2抗体及其应用
CN118667003A (zh) * 2023-03-16 2024-09-20 亘喜生物科技（上海）有限公司 特异性结合Claudin18.2的抗体及其制法和应用
CN116903745B (zh) * 2023-09-13 2023-11-14 苏州仁端生物医药科技有限公司 一种抗人Claudin18.2的单克隆抗体及其应用
US20250127728A1 (en) 2023-10-05 2025-04-24 Capstan Therapeutics, Inc. Constrained Ionizable Cationic Lipids and Lipid Nanoparticles
WO2025076113A1 (en) 2023-10-05 2025-04-10 Capstan Therapeutics, Inc. Ionizable cationic lipids with conserved spacing and lipid nanoparticles
TW202541840A (zh) * 2023-12-19 2025-11-01 大陸商蘇州創勝醫藥集團有限公司 包含抗ｃｌａｕｄｉｎ１８．２抗體的製劑
WO2025217452A1 (en) 2024-04-11 2025-10-16 Capstan Therapeutics, Inc. Constrained ionizable cationic lipids and lipid nanoparticles
WO2025217454A2 (en) 2024-04-11 2025-10-16 Capstan Therapeutics, Inc. Ionizable cationic lipids and lipid nanoparticles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008145338A2 (en) * 2007-05-29 2008-12-04 Ganymed Pharmaceuticals Ag Monoclonal antibodies against claudin-18 for treatment of cancer
WO2016008405A1 (zh) * 2014-07-17 2016-01-21 科济生物医药（上海）有限公司 靶向cld18a2的免疫效应细胞及其制备方法和应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6499079B2 (ja) * 2012-11-13 2019-04-10 バイオエヌテック アーゲーＢｉｏＮＴｅｃｈ ＡＧ クローディンを発現するガン疾患を処置するための剤
WO2014127785A1 (en) * 2013-02-20 2014-08-28 Ganymed Pharmaceuticals Ag Combination therapy involving antibodies against claudin 18.2 for treatment of cancer
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
WO2019242505A1 (zh) * 2018-06-17 2019-12-26 上海健信生物医药科技有限公司 靶向cldn18.2的抗体、双特异性抗体、adc和car及其应用

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008145338A2 (en) * 2007-05-29 2008-12-04 Ganymed Pharmaceuticals Ag Monoclonal antibodies against claudin-18 for treatment of cancer
WO2016008405A1 (zh) * 2014-07-17 2016-01-21 科济生物医药（上海）有限公司 靶向cld18a2的免疫效应细胞及其制备方法和应用

Also Published As

Publication number Publication date
TW202120558A (zh) 2021-06-01
BR112022003147A2 (pt) 2022-05-17
MX2022002111A (es) 2022-03-17
WO2021032157A1 (en) 2021-02-25
US20220306765A1 (en) 2022-09-29
KR20220045040A (ko) 2022-04-12
EP4017883A1 (en) 2022-06-29
JP7767270B2 (ja) 2025-11-11
CN114630840A (zh) 2022-06-14
AU2020332585A1 (en) 2022-02-17
CA3149406A1 (en) 2021-02-25
JP2022545660A (ja) 2022-10-28
EP4017883A4 (en) 2023-09-06

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