CA3165532A1 - Novel lilrb2 antibodies and uses thereof - Google Patents

Novel lilrb2 antibodies and uses thereof Download PDF

Info

Publication number
CA3165532A1
CA3165532A1 CA3165532A CA3165532A CA3165532A1 CA 3165532 A1 CA3165532 A1 CA 3165532A1 CA 3165532 A CA3165532 A CA 3165532A CA 3165532 A CA3165532 A CA 3165532A CA 3165532 A1 CA3165532 A1 CA 3165532A1
Authority
CA
Canada
Prior art keywords
antibody
cell
cancer
antigen
lilrb2
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
CA3165532A
Other languages
English (en)
French (fr)
Inventor
Zhiqiang An
Ningyan Zhang
Zhiqiang KU
Chengcheng Zhang
Xiaoye LIU
Heyu CHEN
Jingjing Xie
Maria Jose COSTA
An Song
X. Charlene Liao
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.)
Immune-Onc Therapeutics Inc
University of Texas System
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA3165532A1 publication Critical patent/CA3165532A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C07K16/2803—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • 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
    • G01N33/5758—Immunoassay; Biospecific binding assay; Materials therefor for cancer involving compounds serving as markers for tumours, cancers or neoplasias, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides or metabolites
    • G01N33/5759—Immunoassay; Biospecific binding assay; Materials therefor for cancer involving compounds serving as markers for tumours, cancers or neoplasias, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides or metabolites involving compounds localised on the membrane of tumour or cancer cells
    • 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
    • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A61K39/39533—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals
    • A61K39/3955—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against proteinaceous materials, e.g. enzymes, hormones, lymphokines
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/04—Antineoplastic agents specific for metastasis
    • 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
    • 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
    • C07K2317/70—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
    • 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
    • C07K2317/75—Agonist effect on antigen
    • 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
    • C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Biochemistry (AREA)
  • Urology & Nephrology (AREA)
  • Biomedical Technology (AREA)
  • Cell Biology (AREA)
  • Microbiology (AREA)
  • Epidemiology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Genetics & Genomics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Oncology (AREA)
  • Endocrinology (AREA)
  • Mycology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicinal Preparation (AREA)
CA3165532A 2020-02-05 2021-01-28 Novel lilrb2 antibodies and uses thereof Pending CA3165532A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202062970496P 2020-02-05 2020-02-05
US62/970,496 2020-02-05
PCT/US2021/015362 WO2021158413A1 (en) 2020-02-05 2021-01-28 Novel lilrb2 antibodies and uses thereof

Publications (1)

Publication Number Publication Date
CA3165532A1 true CA3165532A1 (en) 2021-08-12

Family

ID=77199417

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3165532A Pending CA3165532A1 (en) 2020-02-05 2021-01-28 Novel lilrb2 antibodies and uses thereof

Country Status (9)

Country Link
US (1) US12596122B2 (https=)
EP (1) EP4100439A4 (https=)
JP (1) JP7767291B2 (https=)
KR (1) KR20220137032A (https=)
CN (1) CN115768793A (https=)
AU (1) AU2021216361A1 (https=)
BR (1) BR112022015450A2 (https=)
CA (1) CA3165532A1 (https=)
WO (1) WO2021158413A1 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11680101B2 (en) 2017-01-27 2023-06-20 Kymab Limited Anti-OPG antibodies
FI3661935T3 (fi) 2017-08-11 2023-01-13 Kinaasin estäjinä käyttökelpoiset pyratsolipyrimidiinit
WO2023039613A2 (en) * 2021-09-13 2023-03-16 The Board Of Regents Of The University Of Texas System Lilrb2-specific monoclonal antibodies and methods of their use
EP4486383A2 (en) * 2022-03-04 2025-01-08 D2M Biotherapeutics Limited Anti-lilrb1/2 antibodies and uses thereof
CN116333127B (zh) * 2022-06-28 2026-03-24 北京科诺信诚科技有限公司 靶向人lilrb2的纳米抗体及其应用
TW202409088A (zh) * 2022-07-08 2024-03-01 中國商科望（蘇州）生物醫藥科技有限公司 抗lilrb2抗體及其用途
CN119604531A (zh) * 2022-07-29 2025-03-11 盛禾(中国)生物制药有限公司 一种抗ilt4的单域抗体及其应用
CN115044549B (zh) * 2022-08-12 2023-02-07 北京科途医学科技有限公司 用于保持免疫细胞多样性的培养基和细胞组合物的培养方法
CN119768432A (zh) * 2022-08-22 2025-04-04 德琪(杭州)生物有限公司 新颖的抗lilrb2抗体和其用途
EP4491230A1 (en) * 2023-07-14 2025-01-15 iOmx Therapeutics AG Cross-specific antigen binding proteins (abp) targeting leukocyte immunoglobulin-like receptor subfamily b1 (lilrb1) and lilrb2, combinations and uses thereof
AU2023410277A1 (en) * 2022-12-23 2025-06-12 Iomx Therapeutics Ag Cross-specific antigen binding proteins (abp) targeting leukocyte immunoglobulin-like receptor subfamily b1 (lilrb1) and lilrb2, combinations and uses thereof
CN119176874A (zh) * 2023-06-21 2024-12-24 康源博创生物科技(北京)有限公司 一种能够结合lilrb2的抗体或其抗原结合片段
CN116874600B (zh) * 2023-07-13 2024-07-05 浙江大学 来自纳米抗体可靶向cd163受体的短肽的制备方法及其应用
CN117343346B (zh) * 2023-12-04 2024-03-08 内蒙古大学 可视化识别盐酸克仑特罗的超灵敏铕基MOFs传感器及制备方法和用途
WO2025232879A1 (en) * 2024-05-10 2025-11-13 Cytocares (Shanghai) Inc. Anti-lilrb2 monospecific and bispecific antibody constructs and uses thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002479A2 (en) 1995-06-30 1997-01-23 Yale University Human monoclonal anti-tumor antibodies
US20150174203A1 (en) * 2012-05-30 2015-06-25 Icahn School Of Medicine At Mount Sinai Compositions And Methods For Modulating Pro-Inflammatory Immune Response
KR20180016972A (ko) * 2015-02-22 2018-02-20 소렌토 쎄라퓨틱스, 인코포레이티드 Cd137에 결합하는 항체 치료제
US11680101B2 (en) * 2017-01-27 2023-06-20 Kymab Limited Anti-OPG antibodies
TWI796329B (zh) * 2017-04-07 2023-03-21 美商默沙東有限責任公司 抗－ilt4抗體及抗原結合片段
EA202091540A1 (ru) 2017-12-22 2021-03-22 Джаунс Терапьютикс, Инк. Антитела к lilrb2
CN113056483B (zh) * 2018-07-09 2025-08-01 戊瑞治疗有限公司 结合到ilt4的抗体

Also Published As

Publication number Publication date
KR20220137032A (ko) 2022-10-11
JP2023513158A (ja) 2023-03-30
AU2021216361A1 (en) 2022-08-11
US12596122B2 (en) 2026-04-07
WO2021158413A1 (en) 2021-08-12
CN115768793A (zh) 2023-03-07
JP7767291B2 (ja) 2025-11-11
BR112022015450A2 (pt) 2022-10-04
US20230068663A1 (en) 2023-03-02
EP4100439A1 (en) 2022-12-14
EP4100439A4 (en) 2024-05-29

Similar Documents

Publication Publication Date Title
US12596122B2 (en) LILRB2 antibodies and uses thereof
US20250250336A1 (en) Novel lilrb4 antibodies and uses thereof
US20230235055A1 (en) Monoclonal antibodies against lilrb1 for diagnostic and therapeutic use
KR102826436B1 (ko) Cd19에 특이적인 항체 및 키메라 항원 수용체
JP7022067B2 (ja) Ｆｏｘｐ３由来のペプチドに特異的なｔ細胞受容体様抗体
TW202216201A (zh) 抗vista抗體及片段、其用途及鑑定其之方法
CN109475603A (zh) 抗pd-l1抗体
US20240101667A1 (en) Methods for identifying lilrb-blocking antibodies
US12331130B2 (en) DDR1 antibodies and uses thereof
US20230399384A1 (en) Antibodies to coronavirus spike protein and methods of use thereof
JP2022523145A (ja) 抗ｔｒｅｍ１抗体及び関連方法
CN116997354A (zh) 用于诊断和治疗用途的针对lilrb1的单克隆抗体
WO2026035939A1 (en) Lilrb5 antibodies and uses thereof
HK40089086A (zh) 新型lilrb2抗体和其用途
HK40104849A (zh) 用於诊断和治疗用途的针对lilrb1的单克隆抗体
CN116963747A (zh) 用于鉴定lilrb阻断抗体的方法
HK40101230A (zh) 用於鉴定lilrb阻断抗体的方法
HK40048964B (zh) 新颖lilrb4抗体和其用途

Legal Events

Date Code Title Description
MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD

Year of fee payment: 4

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241217

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241217

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241217

D11 Substantive examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D11-D117 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION RECEIVED

Effective date: 20250110

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - VOLUNTARY AMENDMENT

Effective date: 20250110

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250110

D00 Search and/or examination requested or commenced

Free format text: ST27 STATUS EVENT CODE: A-1-1-D10-D00-D118 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: REQUEST FOR EXAMINATION REQUIREMENTS DETERMINED COMPLIANT

Effective date: 20250127

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250127

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250127

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250127

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT

Effective date: 20250422

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-1-1-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED

Effective date: 20250422

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT

Effective date: 20250422

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-1-1-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20250505

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD

Year of fee payment: 5

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20260116

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20260116