AR126009A1 - Moléculas agonistas de unión al antígeno cd28 que se dirigen a epcam - Google Patents

Moléculas agonistas de unión al antígeno cd28 que se dirigen a epcam

Info

Publication number
AR126009A1
AR126009A1 ARP220101435A ARP220101435A AR126009A1 AR 126009 A1 AR126009 A1 AR 126009A1 AR P220101435 A ARP220101435 A AR P220101435A AR P220101435 A ARP220101435 A AR P220101435A AR 126009 A1 AR126009 A1 AR 126009A1
Authority
AR
Argentina
Prior art keywords
seq
cdr
antigen
binding
region
Prior art date
Application number
ARP220101435A
Other languages
English (en)
Inventor
Stephan Georges Guy Hofer Thomas Klein Christian Moessner Ekkehard Sam Johannes Thom Jenny To Gasser
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of AR126009A1 publication Critical patent/AR126009A1/es

Links

Classifications

    • 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
    • C07K16/2818Immunoglobulins [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 CD28 or CD152
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/06Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies from serum
    • C07K16/065Purification, fragmentation
    • 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
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • 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
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/55Fab or Fab'
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • 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
    • C07K2317/75Agonist effect on antigen
    • 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

Abstract

La presente invención se refiere a moléculas agonistas biespecíficas de unión al antígeno CD28 caracterizadas por la unión monovalente a CD28 que comprenden nuevos anticuerpos contra EpCAM humanizados, procedimientos para su producción, composiciones farmacéuticas que contienen estos anticuerpos y procedimientos de uso de los mismos. Reivindicación 1: Una molécula agonista biespecífica de unión al antígeno CD28 caracterizada porque la unión a CD28 es monovalente, que comprende (a) un primer dominio de unión al antígeno que puede unirse específicamente a CD28, (b) un segundo dominio de unión al antígeno que puede unirse específicamente a un dominio de unión al antígeno que puede unirse específicamente a la molécula de adhesión de células epiteliales (EpCAM), y (c) un dominio Fc compuesto de una primera y una segunda subunidad que pueden asociarse establemente que comprende una o más sustituciones aminoacídicas que reducen la afinidad de unión de la molécula de unión al antígeno a un receptor Fc y/o función efectora, en la que dicho segundo dominio de unión al antígeno que puede unirse específicamente a EpCAM comprende (i) una región variable de la cadena pesada (VHEpCAM) que comprende una región determinante de la complementariedad de la cadena pesada CDR-H1 de SEQ ID Nº 309, una CDR-H2 de SEQ ID Nº 310 y una CDR-H3 de SEQ ID Nº 311, y una región variable de la cadena ligera (VLEpCAM) que comprende una región determinante de la complementariedad de la cadena ligera CDR-L1 de SEQ ID Nº 312 o SEQ ID NO:313, una CDR-L2 de SEQ ID Nº 314 y una CDR-L3 de SEQ ID Nº 315; o (ii) una región variable de la cadena pesada (VHEpCAM) que comprende una región determinante de la complementariedad de la cadena pesada CDR-H1 de SEQ ID Nº 2, una CDR-H2 de SEQ ID Nº 3 y una CDR-H3 de SEQ ID Nº 4, y una región variable de la cadena ligera (VLEpCAM) que comprende una región determinante de la complementariedad de la cadena ligera CDR-L1 de SEQ ID Nº 5, una CDR-L2 de SEQ ID Nº 6 y una CDR-L3 de SEQ ID Nº 7; o (iii) una región variable de la cadena pesada (VHEpCAM) que comprende una región determinante de la complementariedad de la cadena pesada CDR-H1 de SEQ ID Nº 10, una CDR-H2 de SEQ ID Nº 11 y una CDR-H3 de SEQ ID Nº 12, y una región variable de la cadena ligera (VLEpCAM) que comprende una región determinante de la complementariedad de la cadena ligera CDR-L1 de SEQ ID Nº 13, una CDR-L2 de SEQ ID Nº 14 y una CDR-L3 de SEQ ID Nº 15. Reivindicación 27: Un procedimiento de producción de una molécula agonista biespecífica de unión al antígeno CD28, caracterizado porque comprende las etapas de a) cultivar la célula huésped de la reivindicación 26 en condiciones adecuadas para la expresión de la molécula agonista biespecífica de unión al antígeno CD28 y b) opcionalmente recuperar la molécula agonista biespecífica de unión al antígeno CD28.
ARP220101435A 2021-06-02 2022-05-31 Moléculas agonistas de unión al antígeno cd28 que se dirigen a epcam AR126009A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21177363 2021-06-02

Publications (1)

Publication Number Publication Date
AR126009A1 true AR126009A1 (es) 2023-08-30

Family

ID=76250186

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP220101435A AR126009A1 (es) 2021-06-02 2022-05-31 Moléculas agonistas de unión al antígeno cd28 que se dirigen a epcam

Country Status (5)

Country Link
EP (1) EP4347649A1 (es)
CN (1) CN117480185A (es)
AR (1) AR126009A1 (es)
TW (1) TW202307008A (es)
WO (1) WO2022253867A1 (es)

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Also Published As

Publication number Publication date
WO2022253867A1 (en) 2022-12-08
TW202307008A (zh) 2023-02-16
EP4347649A1 (en) 2024-04-10
CN117480185A (zh) 2024-01-30

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