A61K47/6815

COMBINATION COMPRISING AN ADC OR AN AOC COMPRISING A VHH, AND A SAPONIN OR A LIGAND-SAPONIN CONJUGATE
20230248844 · 2023-08-10 ·

The invention relates to a pharmaceutical combination comprising: a first conjugate comprising at least one effector molecule and a single-domain antibody (sdAb) for binding to a first cell-surface molecule; and comprising a saponin, a derivative thereof, or a second conjugate comprising a binding molecule for binding to a second cell-surface molecule on the same cell surface as the first cell-surface molecule and the saponin and/or the derivative thereof, wherein the saponin or the derivative thereof is a monodesmosidic or bidesmosidic triterpene glycoside. The invention also relates to a composition comprising the first conjugate and the saponin (derivative) or the second conjugate comprising the saponin (derivative). In addition, the invention relates to a pharmaceutical combination or composition of the invention, for use as a medicament, and for use in the treatment or the prophylaxis of a cancer, an auto-immune disease such as rheumatoid arthritis, an enzyme deficiency, a gene defect, a disease relating to a gene defect, an amyloidosis, a disease related to an enzyme deficiency, an infection such as a viral infection, hypercholesterolemia, primary hyperoxaluria, haemophilia A, haemophilia B, alpha-1 antitrypsin related liver disease, acute hepatic porphyria, transthyretin-mediated amyloidosis. Furthermore, the invention relates to an in vitro or ex vivo method for transferring the first conjugate of the invention from outside a cell to inside said cell, preferably to the cytosol of said cell.

COMBINATION OF AN ANTIBODY-DRUG CONJUGATE AND AN ANTIBODY-SAPONIN CONJUGATE
20230248845 · 2023-08-10 ·

The invention relates to a therapeutic combination comprising: (a) a first pharmaceutical composition comprising a conjugate comprising a first binding molecule for binding to a first binding site of a cell-surface molecule and the conjugate comprising a saponin bound to said first binding molecule, wherein the saponin is a triterpene glycoside; and (b) a second pharmaceutical composition comprising a conjugate comprising a second binding molecule different from the first binding molecule, the second binding molecule comprising a second binding region different from the first binding region, for binding to a second binding site of said cell-surface molecule different from the first binding site of said cell-surface molecule, and the conjugate comprising an effector molecule covalently bound to said second binding molecule. The invention also relates to a pharmaceutical composition comprising said two conjugates. In addition, the invention relates to the pharmaceutical combination or the pharmaceutical composition of the invention for use as a medicament. Furthermore, the invention relates to the pharmaceutical combination or the pharmaceutical composition of the invention, for use in the treatment or prevention of a cancer, an autoimmune disease, a disease relating to (over)expression of a protein, a disease relating to an aberrant cell such as a tumor cell or a diseased liver cell, a disease relating to a mutant gene, a disease relating to a gene defect, a disease relating to a mutant protein, a disease relating to absence of a (functional) protein, a disease relating to a (functional) protein deficiency.

COMPOSITIONS AND METHODS FOR INDUCING ANTIGEN-SPECIFIC TOLERANCE
20220125945 · 2022-04-28 ·

Erythrocyte-binding moieties coupled to tolerizing antigens are described. Provided for are peptidic ligands having sequences that specifically bind, or as antibodies or fragments thereof that provide specific binding, to erythrocytes. The erythrocyte-binding moieties may be prepared as molecular fusions with therapeutic agents, tolerizing antigens, or targeting peptides. Immunotolerance may be created by use of the fusions and choice of an antigen on a substance for which tolerance is desired.

CLOTTING FACTOR-FC CHIMERIC PROTEINS TO TREAT HEMOPHILIA
20210348150 · 2021-11-11 ·

The invention relates to a chimeric protein comprising at least one clotting factor and at least a portion of an immunoglobulin constant region. The invention relates to a method of treating a hemostatic disorder comprising administering a therapeutically effective amount of a chimeric protein wherein the chimeric protein comprises at least one clotting factor and at least a portion of an immunoglobulin constant region.

Site-specific quantitation of drug conjugations
11786606 · 2023-10-17 · ·

A method for site-specific quantitation or characterization of drug conjugations of antibody-drug conjugates using protease-assisted drug deconjugation, linker labelling and mass spectrometry, wherein the conjugation includes an attachment linked to a specific conjugation site of a partially conjugated peptide or protein in a sample. The method comprises cleaving a portion of the attachment to generate the peptide or protein containing a cleaved linker, adding a modified linker to an unconjugated conjugation site of the partially conjugated peptide or protein, and subsequently subjecting the sample to mass analysis to identify the peptide or protein containing the cleaved linker and/or the modified linker.

DISRUPTION OF CD28-SIALOSIDE LIGAND COMPLEXES TO ENHANCE T CELL ACTIVATION

The present invention provides methods for enhancing T cell activation and expansion, and methods for stimulating a T cell immune response in a subject. The methods of the invention involve the use of a targeting agent-enzyme conjugate that contains (a) a targeting moiety that specifically binds a cell surface molecule on T cells, and (b) a sialidase or enzymatically active fragment thereof. Also provided in the invention are targeting agent-enzyme conjugates that can be used in the therapeutic methods, including antibody conjugates that are formed of a sialidase and a T cell targeting antibody (e.g., an anti-PD1 antibody).

Conjugates for Targeted Cell Surface Editing
20230287140 · 2023-09-14 ·

Provided are conjugates including a targeting moiety that binds to a cell surface molecule of a target cell and a target cell surface-editing enzyme. Also provided are compositions and kits that include the conjugates, as well as methods of using the conjugates. Methods of making conjugates are also provided.

METHODS AND COMPOSITIONS FOR INCREASING ALPHA-L-IDURONIDASE ACTIVITY IN THE CNS
20230279156 · 2023-09-07 ·

Provided herein are methods and compositions for treating a subject suffering from a deficiency in α-L-Iduronidase in the CNS. The methods include systemic administration of a bifunctional fusion antibody comprising an antibody to a human insulin receptor and an α-L-Iduronidase. A therapeutically effective systemic dose is based on the specific CNS uptake characteristics of human insulin receptor antibody-α-L-Iduronidase fusion antibodies as described herein.

Therapeutic molecules

The invention relates to binding molecules that bind specifically to prostate specific membrane antigen (PSMA), in particular, single human variable heavy chain domain antibodies and related methods for treatment of cancer.

COMBINATION COMPRISING AN ADC OR AN AOC COMPRISING A VHH, AND A SAPONIN OR A LIGAND-SAPONIN CONJUGATE
20230256111 · 2023-08-17 ·

The invention relates to a pharmaceutical combination comprising: a first conjugate comprising at least one effector molecule and a single-domain antibody (sdAb) for binding to a first cell-surface molecule; and comprising a saponin, a derivative thereof, or a second conjugate comprising a binding molecule for binding to a second cell-surface molecule and the saponin and/or the derivative thereof, wherein the saponin or the derivative thereof is a monodesmosidic or bidesmosidic triterpene glycoside. The invention also relates to a composition comprising the first conjugate and the saponin (derivative) or the second conjugate comprising the saponin (derivative). In addition, the invention relates to a pharmaceutical combination or composition of the invention, for use as a medicament, and for use in the treatment or the prophylaxis of a cancer, an auto-immune disease such as rheumatoid arthritis, an enzyme deficiency, a gene defect, a disease relating to a gene defect, an amyloidosis, a disease related to an enzyme deficiency, an infection such as a viral infection, hypercholesterolemia, primary hyperoxaluria, haemophilia A, haemophilia B, alpha-1 antitrypsin related liver disease, acute hepatic porphyria, transthyretin-mediated amyloidosis. Furthermore, the invention relates to an in vitro or ex vivo method for transferring the first conjugate of the invention from outside a cell to inside said cell, preferably to the cytosol of said cell.