CA3146341A1 - Bispecific anti lrrc15 and cd3epsilun antibudies - Google Patents

Bispecific anti lrrc15 and cd3epsilun antibudies Download PDF

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Publication number
CA3146341A1
CA3146341A1 CA3146341A CA3146341A CA3146341A1 CA 3146341 A1 CA3146341 A1 CA 3146341A1 CA 3146341 A CA3146341 A CA 3146341A CA 3146341 A CA3146341 A CA 3146341A CA 3146341 A1 CA3146341 A1 CA 3146341A1
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CA
Canada
Prior art keywords
seq
sequence
chain polypeptide
binding compound
heavy chain
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
CA3146341A
Other languages
English (en)
French (fr)
Inventor
Aaron L. Kurtzman
Shihao Chen
Jin Mengyao
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.)
QLSF Biotherapeutics Inc
Original Assignee
QLSF Biotherapeutics 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 QLSF Biotherapeutics Inc filed Critical QLSF Biotherapeutics Inc
Publication of CA3146341A1 publication Critical patent/CA3146341A1/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
    • 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
    • A61K39/39558—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against tumor tissues, cells, antigens
    • 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
    • C07K16/2803—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
    • C07K16/2809—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 against the T-cell receptor (TcR)-CD3 complex
    • 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
    • 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
    • C07K2317/20—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
    • C07K2317/50—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622—Single chain antibody (scFv)
    • 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
    • C07K2317/70—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)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biochemistry (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Cell Biology (AREA)
  • Epidemiology (AREA)
  • Oncology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Biomedical Technology (AREA)
  • Peptides Or Proteins (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
CA3146341A 2019-07-30 2020-07-30 Bispecific anti lrrc15 and cd3epsilun antibudies Pending CA3146341A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962880347P 2019-07-30 2019-07-30
US62/880,347 2019-07-30
PCT/US2020/070334 WO2021022304A2 (en) 2019-07-30 2020-07-30 MULTISPECIFIC BINDING COMPOUNDS THAT BIND TO LRRC15 AND CD3ε

Publications (1)

Publication Number Publication Date
CA3146341A1 true CA3146341A1 (en) 2021-02-04

Family

ID=72145539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3146341A Pending CA3146341A1 (en) 2019-07-30 2020-07-30 Bispecific anti lrrc15 and cd3epsilun antibudies

Country Status (6)

Country Link
US (1) US20230374130A1 (https=)
EP (1) EP4004050A2 (https=)
JP (1) JP2022542431A (https=)
CN (2) CN114341186B (https=)
CA (1) CA3146341A1 (https=)
WO (1) WO2021022304A2 (https=)

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CN117940460A (zh) * 2021-09-08 2024-04-26 上海齐鲁制药研究中心有限公司 双特异性抗原结合分子及其应用
CN116253802A (zh) 2021-12-10 2023-06-13 苏州泽璟生物制药股份有限公司 包含lrrc15抗原结合结构域的多特异性t细胞接合剂
WO2024005713A1 (en) * 2022-06-27 2024-01-04 Scg Cell Therapy Pte. Ltd. Bispecific antibodies for hbv surface antigen（hbsag）and cd3 and uses thereof
CA3261708A1 (en) * 2022-08-09 2024-02-15 Qlsf Biotherapeutics, Inc. ANTIBODIES BINDING TO CLEC12A
WO2024081729A2 (en) * 2022-10-12 2024-04-18 Mythic Therapeutics, Inc. Lrrc-15-binding protein constructs and uses thereof
CN120051491A (zh) 2022-11-01 2025-05-27 上海齐鲁制药研究中心有限公司 一种针对磷脂酰肌醇蛋白聚糖3的双特异性抗体及其应用
WO2025064369A1 (en) * 2023-09-18 2025-03-27 Modernatx, Inc. Humanized anti-cd3 binding molecules and uses thereof
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
US20250302763A1 (en) 2024-02-22 2025-10-02 Capstan Therapeutics, Inc. Immune engineering amplification
WO2025201242A1 (en) * 2024-03-25 2025-10-02 Tavotek Biotherapeutics (Hong Kong) Limited Antibodies targeting fap and lrrc15 and fusion proteins targeting hyaluronan and uses thereof
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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Also Published As

Publication number Publication date
US20230374130A1 (en) 2023-11-23
CN114341186B (zh) 2025-12-30
JP2022542431A (ja) 2022-10-03
CN120842421A (zh) 2025-10-28
WO2021022304A3 (en) 2021-03-11
CN114341186A (zh) 2022-04-12
EP4004050A2 (en) 2022-06-01
WO2021022304A2 (en) 2021-02-04

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