AR126185A1 - ISOLATED BISPECIFIC ANTIBODY THAT SPECIFICALLY BINDS CD47 AND PD-L1 - Google Patents

ISOLATED BISPECIFIC ANTIBODY THAT SPECIFICALLY BINDS CD47 AND PD-L1

Info

Publication number
AR126185A1
AR126185A1 ARP220101614A ARP220101614A AR126185A1 AR 126185 A1 AR126185 A1 AR 126185A1 AR P220101614 A ARP220101614 A AR P220101614A AR P220101614 A ARP220101614 A AR P220101614A AR 126185 A1 AR126185 A1 AR 126185A1
Authority
AR
Argentina
Prior art keywords
seq
amino acid
acid sequence
bispecific antibody
specifically binds
Prior art date
Application number
ARP220101614A
Other languages
Spanish (es)
Inventor
Alexey Konstantinovich Misorin
Artur Khamidovich Sabirov
Aleksandra Dmitievna Azarian
Tatyana Andreevna Vodopyanova
Sergey Aleksandrovich Legotsky
Alexander Andreevich Gordeev
Aleksandr Nikolaevich Doronin
Valery Vladimirovich Solovyev
Dmitry Valentinovich Morozov
Original Assignee
Joint Stock Company “Biocad”
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
Priority claimed from RU2021118025A external-priority patent/RU2815823C2/en
Application filed by Joint Stock Company “Biocad” filed Critical Joint Stock Company “Biocad”
Publication of AR126185A1 publication Critical patent/AR126185A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [IGs], 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [IGs], 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
    • C07K16/2827Immunoglobulins [IGs], 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 B7 molecules, e.g. CD80, CD86
    • 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
    • C07K2317/70Immunoglobulins 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
    • 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

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)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

La presente invención se refiere al campo de la biotecnología y la medicina, en particular a un anticuerpo biespecífico que se une específicamente a CD47 y PD-L1. La invención se refiere además a un ácido nucleico que codifica dicho anticuerpo biespecífico, un vector de expresión, una célula huésped para producir dicho anticuerpo biespecífico y un método para producir dicha célula, composiciones farmacéuticas que comprenden el anticuerpo biespecífico de acuerdo con la invención, composiciones farmacéuticas que comprenden el anticuerpo biespecífico de acuerdo con la invención y otros compuestos terapéuticamente activos, métodos para tratar enfermedades o trastornos mediados por CD47 y PD-L1, uso del anticuerpo biespecífico o composiciones farmacéuticas del mismo para tratar enfermedades o trastornos mediados por CD47 y PD-L1, y el uso del anticuerpo biespecífico de acuerdo con la invención y otros compuestos terapéuticamente activos para tratar enfermedades o trastornos mediados por CD47 y PD-L1. Reivindicación 1: Un anticuerpo biespecífico aislado que se une específicamente a CD47 y PD-L1 e incluye: 1) un primer fragmento de unión al antígeno que se une específicamente a CD47 e incluye: (a) un dominio variable de cadena pesada que comprende: (i) CDR1 con la secuencia de aminoácidos de la SEQ ID Nº 1, (ii) CDR2 con la secuencia de aminoácidos de la SEQ ID Nº 2, (iii) CDR3 con la secuencia de aminoácidos de la SEQ ID Nº 3; y (b) un dominio variable de cadena liviana común que comprende: (i) CDR1 con la secuencia de aminoácidos de la SEQ ID Nº 4, (ii) CDR2 con la secuencia de aminoácidos de la SEQ ID Nº 5, (iii) CDR3 con la secuencia de aminoácidos de la SEQ ID Nº 6; 2) un segundo fragmento de unión al antígeno que se une específicamente a PD-L1 e incluye: (a) un dominio variable de cadena pesada que comprende: (i) CDR1 con la secuencia de aminoácidos de la SEQ ID Nº 7, (ii) CDR2 con la secuencia de aminoácidos de la SEQ ID Nº 8, (iii) CDR3 con la secuencia de aminoácidos de la SEQ ID Nº 9; y (b) un dominio variable de cadena liviana común que comprende: (i) CDR1 con la secuencia de aminoácidos de la SEQ ID Nº 4, (ii) CDR2 con la secuencia de aminoácidos de la SEQ ID Nº 5, (iii) CDR3 con la secuencia de aminoácidos de la SEQ ID Nº 6. Reivindicación 2: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, caracterizado porque el primer fragmento de unión al antígeno que se une específicamente a CD47 es un Fab unido a un monómero del fragmento Fc. Reivindicación 3: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, caracterizado porque el segundo fragmento de unión al antígeno que se une específicamente a PD-L1 es un Fab unido a un monómero del fragmento Fc. Reivindicación 4: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, caracterizado porque el anticuerpo es un anticuerpo IgG de longitud completa. Reivindicación 7: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde el dominio variable de cadena pesada del primer fragmento de unión al antígeno que se une específicamente a CD47 comprende la secuencia de aminoácidos de la SEQ ID Nº 22. Reivindicación 8: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde el dominio variable de cadena pesada del segundo fragmento de unión al antígeno que se une específicamente a PD-L1 comprende la secuencia de aminoácidos de la SEQ ID Nº 24. Reivindicación 9: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde el dominio variable de la cadena liviana común para el primer y segundo fragmentos de unión al antígeno comprende la secuencia de aminoácidos de la SEQ ID Nº 23. Reivindicación 11: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde la cadena pesada del primer fragmento de unión al antígeno que se une específicamente a CD47 comprende la secuencia de aminoácidos de la SEQ ID Nº 25. Reivindicación 12: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde la cadena pesada del segundo fragmento de unión al antígeno que se une específicamente a PD-L1 comprende la secuencia de aminoácidos de la SEQ ID Nº 27. Reivindicación 13: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, en donde la cadena liviana común para el primer y segundo fragmentos de unión al antígeno comprende la secuencia de aminoácidos de la SEQ ID Nº 26. Reivindicación 15: El anticuerpo biespecífico aislado de acuerdo con la reivindicación 1, que es un anticuerpo bivalente.The present invention relates to the field of biotechnology and medicine, in particular to a bispecific antibody that specifically binds to CD47 and PD-L1. The invention further relates to a nucleic acid encoding said bispecific antibody, an expression vector, a host cell for producing said bispecific antibody and a method for producing said cell, pharmaceutical compositions comprising the bispecific antibody according to the invention, compositions pharmaceutical compositions comprising the bispecific antibody according to the invention and other therapeutically active compounds, methods of treating diseases or disorders mediated by CD47 and PD-L1, use of the bispecific antibody or pharmaceutical compositions thereof to treat diseases or disorders mediated by CD47 and PD-L1 -L1, and the use of the bispecific antibody according to the invention and other therapeutically active compounds to treat diseases or disorders mediated by CD47 and PD-L1. Claim 1: An isolated bispecific antibody that specifically binds to CD47 and PD-L1 and includes: 1) a first antigen binding fragment that specifically binds to CD47 and includes: (a) a heavy chain variable domain comprising: (i) CDR1 with the amino acid sequence of SEQ ID No. 1, (ii) CDR2 with the amino acid sequence of SEQ ID No. 2, (iii) CDR3 with the amino acid sequence of SEQ ID No. 3; and (b) a common light chain variable domain comprising: (i) CDR1 with the amino acid sequence of SEQ ID NO: 4, (ii) CDR2 with the amino acid sequence of SEQ ID NO: 5, (iii) CDR3 with the amino acid sequence of SEQ ID NO: 6; 2) a second antigen binding fragment that specifically binds to PD-L1 and includes: (a) a heavy chain variable domain comprising: (i) CDR1 with the amino acid sequence of SEQ ID NO: 7, (ii) ) CDR2 with the amino acid sequence of SEQ ID No. 8, (iii) CDR3 with the amino acid sequence of SEQ ID No. 9; and (b) a common light chain variable domain comprising: (i) CDR1 with the amino acid sequence of SEQ ID NO: 4, (ii) CDR2 with the amino acid sequence of SEQ ID NO: 5, (iii) CDR3 with the amino acid sequence of SEQ ID NO: 6. Claim 2: The isolated bispecific antibody according to claim 1, characterized in that the first antigen binding fragment that specifically binds CD47 is a Fab linked to a monomer of the fragment Fc. Claim 3: The isolated bispecific antibody according to claim 1, characterized in that the second antigen binding fragment that specifically binds PD-L1 is a Fab linked to a monomer of the Fc fragment. Claim 4: The isolated bispecific antibody according to claim 1, characterized in that the antibody is a full-length IgG antibody. Claim 7: The isolated bispecific antibody according to claim 1, wherein the heavy chain variable domain of the first antigen binding fragment that specifically binds CD47 comprises the amino acid sequence of SEQ ID NO: 22. Claim 8: The isolated bispecific antibody according to claim 1, wherein the heavy chain variable domain of the second antigen binding fragment that specifically binds PD-L1 comprises the amino acid sequence of SEQ ID NO: 24. Claim 9: The Isolated bispecific antibody according to claim 1, wherein the common light chain variable domain for the first and second antigen binding fragments comprises the amino acid sequence of SEQ ID NO: 23. Claim 11: The bispecific antibody isolated from according to claim 1, wherein the heavy chain of the first antigen binding fragment that specifically binds CD47 comprises the amino acid sequence of SEQ ID NO: 25. Claim 12: The isolated bispecific antibody according to claim 1, wherein the heavy chain of the second antigen binding fragment that specifically binds PD-L1 comprises the amino acid sequence of SEQ ID NO: 27. Claim 13: The isolated bispecific antibody according to claim 1, wherein the chain Common light for the first and second antigen binding fragments comprises the amino acid sequence of SEQ ID NO: 26. Claim 15: The bispecific antibody isolated according to claim 1, which is a bivalent antibody.

ARP220101614A 2021-06-21 2022-06-21 ISOLATED BISPECIFIC ANTIBODY THAT SPECIFICALLY BINDS CD47 AND PD-L1 AR126185A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2021118025A RU2815823C2 (en) 2021-06-21 Isolated bispecific antibody that specifically binds to cd47 and pd-l1

Publications (1)

Publication Number Publication Date
AR126185A1 true AR126185A1 (en) 2023-09-27

Family

ID=84544589

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP220101614A AR126185A1 (en) 2021-06-21 2022-06-21 ISOLATED BISPECIFIC ANTIBODY THAT SPECIFICALLY BINDS CD47 AND PD-L1

Country Status (11)

Country Link
EP (1) EP4359445A1 (en)
CN (1) CN117858904A (en)
AR (1) AR126185A1 (en)
BR (1) BR112023026982A2 (en)
CL (1) CL2023003854A1 (en)
CO (1) CO2023018165A2 (en)
CR (1) CR20230612A (en)
EC (1) ECSP23097121A (en)
MX (1) MX2024000266A (en)
TW (1) TW202306998A (en)
WO (1) WO2022271053A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110269704A1 (en) * 2009-07-24 2011-11-03 Seigfried Bernd G Method for developing a liquid composition to be applied to the skin as a foam and a composition that can be applied topically
RU2665790C1 (en) * 2017-04-17 2018-09-04 Закрытое Акционерное Общество "Биокад" Monoclonal pd-l1 antibody
EA039662B1 (en) * 2017-10-03 2022-02-24 Закрытое Акционерное Общество "Биокад" Antibodies specific to cd47 and pd-l1

Also Published As

Publication number Publication date
MX2024000266A (en) 2024-01-31
EP4359445A1 (en) 2024-05-01
BR112023026982A2 (en) 2024-03-12
CL2023003854A1 (en) 2024-07-19
CN117858904A (en) 2024-04-09
CO2023018165A2 (en) 2024-05-30
TW202306998A (en) 2023-02-16
CR20230612A (en) 2024-07-29
ECSP23097121A (en) 2024-02-29
WO2022271053A1 (en) 2022-12-29

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