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1. WO2022136642 - TUMOR-SPECIFIC CLAUDIN 18.2 ANTIBODY-DRUG CONJUGATES

Publication Number WO/2022/136642
Publication Date 30.06.2022
International Application No. PCT/EP2021/087495
International Filing Date 23.12.2021
IPC
A61K 47/68 2017.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
50the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
51the non-active ingredient being a modifying agent
68the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
A61P 35/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
35Antineoplastic agents
C07K 16/30 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins, e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
30from tumour cells
CPC
A61K 47/6803
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
50the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
51the non-active ingredient being a modifying agent
68the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
6801Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
6803Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
A61K 47/6849
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
50the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
51the non-active ingredient being a modifying agent
68the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
6835the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
6849the antibody targeting a receptor, a cell surface antigen or a cell surface determinant
A61K 47/6859
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
50the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
51the non-active ingredient being a modifying agent
68the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
6835the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
6851the antibody targeting a determinant of a tumour cell
6859the tumour determinant being from liver or pancreas cancer cell
A61K 47/6889
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
50the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
51the non-active ingredient being a modifying agent
68the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
6889Conjugates wherein the antibody being the modifying agent and wherein the linker, binder or spacer confers particular properties to the conjugates, e.g. peptidic enzyme-labile linkers or acid-labile linkers, providing for an acid-labile immuno conjugate wherein the drug may be released from its antibody conjugated part in an acidic, e.g. tumoural or environment
A61P 35/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
35Antineoplastic agents
C07K 16/28
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
Applicants
  • SOTIO BIOTECH A.S. [CZ]/[CZ]
Inventors
  • BAMMERT, Lukas
  • KYRYCH SADLIKOVA, Lenka
  • HOSKOVA, Simona
  • VALENTOVA, Ina
  • WALDMEIER, Lorenz
  • BEERLI, Roger
  • MOEBIUS, Ulrich
Agents
  • MAIWALD PATENTANWALTS- UND RECHTSANWALTSGESELLSCHAFT MBH
Priority Data
20 216 800.123.12.2020EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) TUMOR-SPECIFIC CLAUDIN 18.2 ANTIBODY-DRUG CONJUGATES
(FR) CONJUGUÉS ANTICORPS-MÉDICAMENT ANTI-CLAUDINE 18.2 SPÉCIFIQUES D'UNE TUMEUR
Abstract
(EN) The invention provides an ADC based on an antibody binding to CLDN18.2, wherein the antibody or fragment thereof exhibits increased binding to tumor tissue expressing CLDN18.2 over healthy tissue expressing CLDN18.2.
(FR) L'invention concerne un ADC faisant appel à un anticorps qui se lie à CLDN18.2, l'anticorps ou le fragment de celui-ci présentant une liaison accrue au tissu tumoral exprimant CLDN18.2 sur un tissu sain exprimant CLDN18.2.
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