CA3246192A1 - Modified FC-domain sirp-alpha fusion polypeptides - Google Patents

Modified FC-domain sirp-alpha fusion polypeptides

Info

Publication number
CA3246192A1
CA3246192A1 CA3246192A CA3246192A CA3246192A1 CA 3246192 A1 CA3246192 A1 CA 3246192A1 CA 3246192 A CA3246192 A CA 3246192A CA 3246192 A CA3246192 A CA 3246192A CA 3246192 A1 CA3246192 A1 CA 3246192A1
Authority
CA
Canada
Prior art keywords
domain
fusion polypeptide
modified
seq
sirpa
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
CA3246192A
Other languages
English (en)
French (fr)
Inventor
Jens-Peter Volkmer
Original Assignee
Bitterroot Bio 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 Bitterroot Bio Inc filed Critical Bitterroot Bio Inc
Publication of CA3246192A1 publication Critical patent/CA3246192A1/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/62DNA sequences coding for fusion proteins
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503Immunoglobulin superfamily
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70596Molecules with a "CD"-designation not provided for elsewhere
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/52Constant or Fc region; Isotype
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/732Antibody-dependent cellular cytotoxicity [ADCC]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/30Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/31Fusion polypeptide fusions, other than Fc, for prolonged plasma life, e.g. albumin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide
    • C07K2319/70Fusion polypeptide containing domain for protein-protein interaction
    • C07K2319/74Fusion polypeptide containing domain for protein-protein interaction containing a fusion for binding to a cell surface receptor

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Immunology (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biomedical Technology (AREA)
  • Cell Biology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Toxicology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Microbiology (AREA)
  • Epidemiology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
CA3246192A 2022-03-24 2023-03-23 Modified FC-domain sirp-alpha fusion polypeptides Pending CA3246192A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263323417P 2022-03-24 2022-03-24
US63/323,417 2022-03-24
PCT/US2023/064886 WO2023183892A1 (en) 2022-03-24 2023-03-23 Sirp-alpha fusion polypeptides with modified fc domains

Publications (1)

Publication Number Publication Date
CA3246192A1 true CA3246192A1 (en) 2023-09-28

Family

ID=86054071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3246192A Pending CA3246192A1 (en) 2022-03-24 2023-03-23 Modified FC-domain sirp-alpha fusion polypeptides

Country Status (13)

Country Link
US (1) US20230365648A1 (https=)
EP (1) EP4499837A1 (https=)
JP (1) JP2025510774A (https=)
KR (1) KR20240162572A (https=)
CN (1) CN119546769A (https=)
AU (1) AU2023240361A1 (https=)
CA (1) CA3246192A1 (https=)
CL (1) CL2024002849A1 (https=)
CO (1) CO2024013909A2 (https=)
IL (1) IL315706A (https=)
JO (1) JOP20240212A1 (https=)
MX (1) MX2024011528A (https=)
WO (1) WO2023183892A1 (https=)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2816647T3 (es) 2012-01-17 2021-04-05 Univ Leland Stanford Junior Reactivos SIRP-alfa de alta afinidad
US10011660B2 (en) * 2012-04-30 2018-07-03 Medimmune, Llc Molecules with reduced effector function and extended half-lives, compositions, and uses thereof
PL3575326T3 (pl) * 2012-12-17 2022-07-11 Pf Argentum Ip Holdings Llc Leczenie komórek chorobowych cd47+ z użyciem fuzji sirp alfa-fc
WO2016023040A1 (en) 2014-08-08 2016-02-11 Alexo Therapeutics International Sirp-alpha variant constructs and uses thereof
PL3180363T3 (pl) 2014-08-15 2020-02-28 Merck Patent Gmbh Białka fuzyjne immunoglobulin sirp-alfa
AU2016304794B2 (en) 2015-08-07 2021-07-15 ALX Oncology Inc. Constructs having a SIRP-alpha domain or variant thereof
CN116239698A (zh) * 2019-03-06 2023-06-09 江苏恒瑞医药股份有限公司 双功能融合蛋白及其医药用途
EP3976658A4 (en) * 2019-05-24 2023-06-07 Forty Seven, Inc. Regimes for co-administration of immunotherapeutic agents against c-kit and cd47
WO2020263830A1 (en) * 2019-06-25 2020-12-30 Gilead Sciences, Inc. Flt3l-fc fusion proteins and methods of use

Also Published As

Publication number Publication date
CO2024013909A2 (es) 2024-10-31
AU2023240361A1 (en) 2024-10-03
JOP20240212A1 (ar) 2024-09-29
CL2024002849A1 (es) 2025-05-23
KR20240162572A (ko) 2024-11-15
WO2023183892A1 (en) 2023-09-28
IL315706A (en) 2024-11-01
EP4499837A1 (en) 2025-02-05
MX2024011528A (es) 2024-12-06
JP2025510774A (ja) 2025-04-15
US20230365648A1 (en) 2023-11-16
CN119546769A (zh) 2025-02-28

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