AU2020332585A1 - Novel anti-CLDN18.2 antibodies - Google Patents

Novel anti-CLDN18.2 antibodies Download PDF

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Publication number
AU2020332585A1
AU2020332585A1 AU2020332585A AU2020332585A AU2020332585A1 AU 2020332585 A1 AU2020332585 A1 AU 2020332585A1 AU 2020332585 A AU2020332585 A AU 2020332585A AU 2020332585 A AU2020332585 A AU 2020332585A AU 2020332585 A1 AU2020332585 A1 AU 2020332585A1
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AU
Australia
Prior art keywords
seq
sequence
antigen
antibody
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
AU2020332585A
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English (en)
Inventor
Hui CHAI
Huanhuan GUO
Hongjun Li
Zhen Li
Xueming Qian
Fei TENG
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
Transcenta Holding Ltd
Transcenta Therapeutics Inc
Original Assignee
Suzhou Transcenta Therapeutics Co Ltd
Transcenta Holding Ltd
Transcenta Therapeutics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Transcenta Therapeutics Co Ltd, Transcenta Holding Ltd, Transcenta Therapeutics Inc filed Critical Suzhou Transcenta Therapeutics Co Ltd
Publication of AU2020332585A1 publication Critical patent/AU2020332585A1/en
Assigned to Suzhou Transcenta Therapeutics Co., Ltd., TRANSCENTA HOLDING LIMITED, TRANSCENTA THERAPEUTICS, INC. reassignment Suzhou Transcenta Therapeutics Co., Ltd. Request for Assignment Assignors: Suzhou Transcenta Therapeutics Co., Ltd.
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
    • 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

Landscapes

  • 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)
AU2020332585A 2019-08-20 2020-08-20 Novel anti-CLDN18.2 antibodies Pending AU2020332585A1 (en)

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 (1)

Publication Number Publication Date
AU2020332585A1 true AU2020332585A1 (en) 2022-02-17

Family

ID=74659946

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020332585A Pending AU2020332585A1 (en) 2019-08-20 2020-08-20 Novel anti-CLDN18.2 antibodies

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=)

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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

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EP1790664A1 (en) * 2005-11-24 2007-05-30 Ganymed Pharmaceuticals AG Monoclonal antibodies against claudin-18 for treatment of cancer
EP1997832A1 (en) 2007-05-29 2008-12-03 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
CN120518772A (zh) 2014-07-17 2025-08-22 恺兴生命科技(上海)有限公司 靶向cld18a2的t淋巴细胞及其制备方法和应用
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

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
CA3149406A1 (en) 2021-02-25
JP2022545660A (ja) 2022-10-28
CN114630840B (zh) 2024-08-02
EP4017883A4 (en) 2023-09-06

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PC1 Assignment before grant (sect. 113)

Owner name: TRANSCENTA THERAPEUTICS, INC.

Free format text: FORMER APPLICANT(S): SUZHOU TRANSCENTA THERAPEUTICS CO., LTD.

Owner name: TRANSCENTA HOLDING LIMITED

Free format text: FORMER APPLICANT(S): SUZHOU TRANSCENTA THERAPEUTICS CO., LTD.

Owner name: SUZHOU TRANSCENTA THERAPEUTICS CO., LTD.

Free format text: FORMER APPLICANT(S): SUZHOU TRANSCENTA THERAPEUTICS CO., LTD.