AR122722A1 - Anticuerpos que neutralizan el virus de la hepatitis b y sus usos - Google Patents

Anticuerpos que neutralizan el virus de la hepatitis b y sus usos

Info

Publication number
AR122722A1
AR122722A1 ARP210101734A ARP210101734A AR122722A1 AR 122722 A1 AR122722 A1 AR 122722A1 AR P210101734 A ARP210101734 A AR P210101734A AR P210101734 A ARP210101734 A AR P210101734A AR 122722 A1 AR122722 A1 AR 122722A1
Authority
AR
Argentina
Prior art keywords
antigen
hepatitis
antibodies
present disclosure
binding fragments
Prior art date
Application number
ARP210101734A
Other languages
English (en)
Inventor
Laura Rosen
Nadine Czudnochowski
Florian Lempp
Gyorgy Snell
Davide Corti
Elisabetta Cameroni
Original Assignee
Vir Biotechnology Inc
Humabs Biomed Sa
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 Vir Biotechnology Inc, Humabs Biomed Sa filed Critical Vir Biotechnology Inc
Publication of AR122722A1 publication Critical patent/AR122722A1/es

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/20Antivirals for DNA viruses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/08Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
    • C07K16/081Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from DNA viruses
    • C07K16/082Hepadnaviridae, e.g. hepatitis B virus
    • 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
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • C12N15/86Viral vectors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/505Medicinal preparations containing antigens or antibodies comprising antibodies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/545Medicinal preparations containing antigens or antibodies characterised by the dose, timing or administration schedule
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/33Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
    • 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
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/55Fab or Fab'
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)
    • 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
    • C07K2317/94Stability, e.g. half-life, pH, temperature or enzyme-resistance
    • 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
    • C12N2740/00Reverse transcribing RNA viruses
    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/15011Lentivirus, not HIV, e.g. FIV, SIV
    • C12N2740/15041Use of virus, viral particle or viral elements as a vector

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Virology (AREA)
  • Molecular Biology (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Communicable Diseases (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • General Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oncology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Plant Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Abstract

La presente divulgación se refiere, en parte, a anticuerpos y fragmentos de unión a antígeno de los mismos, que pueden unirse a la región del bucle antigénico del antígeno de superficie de la hepatitis B (HBsAg) y, opcionalmente, pueden neutralizar la infección por el virus de la hepatitis B (VHB), y además opcionalmente, del virus de la hepatitis delta (VHD). Los anticuerpos y fragmentos de unión a antígeno descritos actualmente tienen características de producción ventajosas, tales como formación reducida de agregados y/o título de producción mejorado en células huésped transformadas, en comparación con un anticuerpo de referencia o fragmento de unión a antígeno. La presente divulgación también se refiere a proteínas de fusión que comprenden un fragmento de unión a antígeno y a ácidos nucleicos que codifican y células que producen tales anticuerpos, fragmentos de unión a antígeno y proteínas de fusión. Además, la presente divulgación se refiere al uso de anticuerpos, fragmentos de unión a antígenos, proteínas de fusión y polinucleótidos, vectores, células huésped y composiciones relacionados de la presente divulgación en el diagnóstico, profilaxis y tratamiento de la hepatitis B y la hepatitis D. También se proporcionan terapias de combinación que comprenden (i) un anticuerpo o fragmento de unión a antígeno y (ii) un agente que es un inhibidor de la expresión del gen del VHB y/o que reduce la carga antigénica del VHB.
ARP210101734A 2020-06-24 2021-06-23 Anticuerpos que neutralizan el virus de la hepatitis b y sus usos AR122722A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202063043692P 2020-06-24 2020-06-24

Publications (1)

Publication Number Publication Date
AR122722A1 true AR122722A1 (es) 2022-09-28

Family

ID=77155848

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP210101734A AR122722A1 (es) 2020-06-24 2021-06-23 Anticuerpos que neutralizan el virus de la hepatitis b y sus usos

Country Status (13)

Country Link
US (1) US20230242621A1 (es)
EP (1) EP4171747A1 (es)
JP (1) JP2023531520A (es)
KR (1) KR20230042023A (es)
CN (1) CN116390943A (es)
AR (1) AR122722A1 (es)
AU (1) AU2021296848A1 (es)
BR (1) BR112022026316A2 (es)
CA (1) CA3182458A1 (es)
IL (1) IL299201A (es)
MX (1) MX2022015765A (es)
TW (1) TW202208422A (es)
WO (1) WO2021262840A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023230445A2 (en) 2022-05-23 2023-11-30 Humabs Biomed Sa Broadly neutralizing antibodies against influenza neuraminidase
WO2023230439A1 (en) 2022-05-23 2023-11-30 Vir Biotechnology, Inc. Fc-engineered hepatitis b virus neutralizing antibodies and uses thereof

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