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NZ744808B2 - Eribulin-based antibody-drug conjugates and methods of use - Google Patents
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NZ744808B2 - Eribulin-based antibody-drug conjugates and methods of use - Google Patents

Eribulin-based antibody-drug conjugates and methods of use

Info

Publication number
NZ744808B2
NZ744808B2 NZ744808A NZ74480817A NZ744808B2 NZ 744808 B2 NZ744808 B2 NZ 744808B2 NZ 744808 A NZ744808 A NZ 744808A NZ 74480817 A NZ74480817 A NZ 74480817A NZ 744808 B2 NZ744808 B2 NZ 744808B2
Authority
NZ
New Zealand
Prior art keywords
seq
antibody
cancer
amino acid
drug conjugate
Prior art date
Application number
NZ744808A
Other versions
NZ744808A (en
Inventor
Earl F Albone
Xin Cheng
Daniel W Custar
Keiji Furuuchi
Jing Li
Utpal Majumder
Toshimitsu Uenaka
Original Assignee
Eisai R&D Management Co Ltd
Filing date
Publication date
Application filed by Eisai R&D Management Co Ltd filed Critical Eisai R&D Management Co Ltd
Priority to NZ785232A priority Critical patent/NZ785232B2/en
Priority claimed from PCT/US2017/020529 external-priority patent/WO2017151979A1/en
Publication of NZ744808A publication Critical patent/NZ744808A/en
Publication of NZ744808B2 publication Critical patent/NZ744808B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/357—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
    • A61K47/65—Peptidic linkers, binders or spacers, e.g. peptidic enzyme-labile linkers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A61K47/68031—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being an auristatin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A61K47/68033—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being a maytansine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6835—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
    • A61K47/6849—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a receptor, a cell surface antigen or a cell surface determinant
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6889—Conjugates 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/32—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products of oncogenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/10—Immunoglobulins specific features characterized by their source of isolation or production
    • C07K2317/14—Specific host cells or culture conditions, e.g. components, pH or temperature
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/40—Immunoglobulins specific features characterized by post-translational modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565—Complementarity determining region [CDR]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/77—Internalization into the cell
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value

Abstract

Linker toxins and antibody-drug conjugates that bind to human oncology antigen targets such as folate receptor alpha and/or provide anti-tubulin drug activity are disclosed. The linker toxins and antibody-drug conjugates comprise an eribulin drug moiety and can be internalized into target antigen-expressing cells. The disclosure further relates to methods and compositions for use in the treatment of cancer by administering the antibody-drug conjugates provided herein.

Claims (17)

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1. A composition comprising -L-D, wherein D is eribulin, and L is a cleavable linker covalently attached to D, wherein the cleavable linker comprises Mal-(PEG)2-Val-Cit-pAB, wherein the Mal is attached to a cysteine residue on an antibody or antigen-binding fragment.
2. An antibody-drug conjugate of Formula (I): Ab-(L-D)p (I) wherein Ab is an internalizing anti-folate receptor alpha antibody or internalizing n-binding fragment thereof, wherein the antibody or antigen-binding fragment comprises three heavy chain complementarity determining regions ) comprising amino acid sequences of SEQ ID NO:2 (HCDR1), SEQ ID NO:3 (HCDR2), and SEQ ID NO:4 (HCDR3); and three light chain complementarity determining regions ) comprising amino acid sequences of SEQ ID NO:7 (LCDR1), SEQ ID NO:8 ), and SEQ ID NO:9 ), as defined by the Kabat numbering ; or three heavy chain complementarity determining regions (HCDRs) comprising amino acid sequences of SEQ ID NO:13 (HCDR1), SEQ ID NO:14 (HCDR2), and SEQ ID NO:15 (HCDR3); and three light chain complementarity ining regions (LCDRs) comprising amino acid sequences of SEQ ID NO:16 (LCDR1), SEQ ID NO:17 (LCDR2), and SEQ ID NO:18 (LCDR3), as defined by the IMGT numbering ; D is eribulin; L is a cleavable linker comprising Mal-(PEG)2-Val-Cit-pAB; and p is an integer from 1 to 8.
3. The antibody-drug conjugate of claim 2, wherein p is from 3 to 4.
4. The antibody-drug conjugate of claim 2 or claim 3, wherein the cleavable linker is positioned such that no part of the linker or the antibody or antigen-binding fragment remains bound to eribulin upon cleavage.
5. The antibody-drug conjugate of any one of claims 2 to 4, wherein the Mal is joined to the antibody or n-binding fragment via a cysteine e on the antibody or antigenbinding fragment.
6. The antibody-drug conjugate of any one of claims 2 to 5, wherein the pAB covalently attaches to in via a C-35 amine.
7. The antibody-drug ate of any one of claims 2 to 6, wherein the antibody or antigen-binding fragment comprises a heavy chain variable region comprising an amino acid sequence of SEQ ID NO:23, and a light chain variable region comprising an amino acid sequence of SEQ ID NO:24.
8. The antibody-drug conjugate of any one of claims 2 to 7, wherein the antibody or antigen-binding fragment comprises a human IgG1 heavy chain constant domain and a human Ig kappa light chain constant domain.
9. A composition comprising multiple copies of the antibody-drug conjugate of any one of claims 2 to 8, n the average p of the antibody-drug ates in the composition is from about 3.2 to about 4.4.
10. Use of the antibody-drug ate of any one of claims 2 to 8 or the composition of claim 9 in a method of manufacturing a medicament for the treatment of a cancer, wherein the cancer ses a target antigen, wherein the target antigen is folate receptor alpha.
11. The use of claim 10, wherein the cancer is a gastric cancer, a serous ovarian cancer, a clear cell ovarian cancer, a non-small cell lung cancer, a ctal cancer, a breast cancer, an endometrial cancer, a lung carcinoid, an osteosarcoma, a bladder cancer, or a lial cell carcinoma.
12. A pharmaceutical composition comprising the antibody-drug conjugate of any one of claims 2 to 8 or the ition of claim 9, and a pharmaceutically acceptable r.
13. A method of producing the antibody-drug conjugate of any one of claims 2 to 8 or the composition of claim 9, comprising reacting an antibody or antigen-binding fragment with a cleavable linker joined to eribulin under conditions that allow conjugation.
14. An in vitro method of determining whether a patient will be responsive to treatment with the antibody-drug conjugate of any one of claims 2 to 8 or the composition of claim 9, the method comprising contacting a biological sample from the patient with the dy-drug conjugate of any one of claims 2 to 8 or the composition of claim 9.
15. The in vitro method of claim 14, wherein the biological sample is a tumor biopsy derived from a c cancer, a serous ovarian cancer, a clear cell ovarian cancer, a non-small cell lung , a colorectal cancer, a breast cancer, an endometrial cancer, a lung carcinoid, an osteosarcoma, a r cancer, or a urothelial cell oma.
16. A composition comprising multiple copies of an antibody-drug conjugate of Formula D)p (I) wherein Ab is an internalizing anti-folate receptor alpha antibody or internalizing antigenbinding fragment thereof comprising three heavy chain complementarity determining regions (HCDRs) comprising amino acid sequences of SEQ ID NO:2 (HCDR1), SEQ ID NO:3 (HCDR2), and SEQ ID NO:4 (HCDR3); and three light chain complementarity determining regions (LCDRs) comprising amino acid sequences of SEQ ID NO:7 (LCDR1), SEQ ID NO:8 (LCDR2), and SEQ ID NO:9 ), as defined by the Kabat numbering system; or three heavy chain complementarity determining s (HCDRs) comprising amino acid sequences of SEQ ID NO:13 (HCDR1), SEQ ID NO:14 (HCDR2), and SEQ ID NO:15 (HCDR3); and three light chain complementarity determining regions (LCDRs) comprising amino acid sequences of SEQ ID NO:16 (LCDR1), SEQ ID NO:17 (LCDR2), and SEQ ID NO:18 (LCDR3), as defined by the IMGT numbering system; D is eribulin; L is a cleavable linker comprising Mal-(PEG)2-Val-Cit-pAB; and p is the average number of -L-D es per Ab, n the average p of the antibody-drug conjugates in the ition is from about 3.6 to about 4.4; and the average p is determined by hydrophobic interaction chromatography-high performance liquid chromatography (HIC-HPLC).
17. The composition of claim 16, wherein the antibody or antigen-binding fragment comprises a heavy chain variable region comprising an amino acid sequence of SEQ ID NO:23, and a light chain variable region comprising an amino acid sequence of SEQ ID NO:24. zowhmnamm .E mz< wwmm?mma é?zmmmmmma xi“5 2310””me 2955mm $3 E?mam 3% SUBSTITUTE SHEET (RULE 26) 8%,”me 92 SEE 83 EN; SUBSTITUTE SHEET (RULE 26) W0 201
NZ744808A 2017-03-02 Eribulin-based antibody-drug conjugates and methods of use NZ744808B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ785232A NZ785232B2 (en) 2017-03-02 Eribulin-based Antibody-Drug Conjugates and Methods of Use

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662302562P 2016-03-02 2016-03-02
PCT/US2017/020529 WO2017151979A1 (en) 2016-03-02 2017-03-02 Eribulin-based antibody-drug conjugates and methods of use

Publications (2)

Publication Number Publication Date
NZ744808A NZ744808A (en) 2024-04-26
NZ744808B2 true NZ744808B2 (en) 2024-07-30

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