Abstract: The invention relates to a saponin derivative The invention also relates to a first pharmaceutical composition comprising the saponin derivative of the invention. In addition, the invention relates to a pharmaceutical combination comprising the first pharmaceutical composition of the invention and a second pharmaceutical composition comprising for example an ADC or AOC. The invention also relates to the first pharmaceutical composition or the pharmaceutical combination of the invention, for use as a medicament, or use in the treatment or prophylaxis of a cancer or an auto-immune disease. Furthermore, the invention relates to an in vitro or ex vivo method for transferring a molecule from outside a cell to inside said cell, comprising contacting said cell with the molecule and with a saponin derivative of the invention. The invention also relates to a saponin conjugate comprising a cell-surface molecule binding-molecule, capable of binding to a target cell, covalently bound to the saponin.

Abstract: The invention relates to a saponin conjugate comprising a saponin derivative based on a saponin comprising a triterpene aglycone and at least one of a first saccharide chain and a second saccharide chain linked to the aglycone core structure, wherein the saponin derivative comprises an aglycone core structure comprising an aldehyde functional group which aldehyde functional group has been transformed to a semicarbazone functional group, the saponin conjugate further comprising a proteinaceous molecule capable of binding to a cell-surface molecule. The invention also relates to a composition comprising the saponin conjugate. In addition, the invention relates to a pharmaceutical combination comprising said composition comprising the saponin conjugate and a pharmaceutical composition comprising for example an ADC or an antibody-oligonucleotide conjugate (AOC). The invention also relates to a pharmaceutical composition comprising the saponin conjugate and comprising for example an ADC or an AOC.

Abstract: The invention relates to a saponin derivative based on a saponin comprising a triterpene aglycone and at least one of a first saccharide chain and a second saccharide chain linked to the aglycone core structure, wherein the saponin derivative comprises an aglycone core structure comprising an aldehyde functional group which has been transformed to a semicarbazone functional group. The invention also relates to a first pharmaceutical composition comprising the saponin derivative of the invention. In addition, the invention relates to a pharmaceutical combination comprising the first pharmaceutical composition of the invention and a second pharmaceutical composition comprising for example an ADC or a GalNAc-oligonucleotide conjugate.

Abstract: The present invention relates to amino acid sequences that block the interaction between (a target on) an antigen presenting cell (APC) and (a target on) a T-cell. More particularly, the present invention relates to amino acid sequences that are directed against (as defined herein) a target on an APC (also referred to herein as “APC target”) or a target on a T-cell (also referred to herein as “T-cell target”). The invention further relates to compounds or constructs, and in particular proteins and polypeptides, that comprise or essentially consist of one or more such amino acid sequences.

Abstract: The invention relates to a Quillaja saponaria saponin derivative based on a saponin comprising a triterpene aglycone and a first saccharide chain and/or a second saccharide chain, and comprising: an aglycone core structure comprising an aldehyde group which has been derivatised; and/or the first saccharide chain wherein the first saccharide chain comprises a carboxyl group, which has been derivatised; and/or the second saccharide chain wherein the second saccharide chain comprises at least one acetoxy group which has been derivatised. The invention also relates to a first pharmaceutical composition comprising the saponin derivative of the invention.

Abstract: The invention relates to a saponin derivative based on a saponin comprising a triterpene aglycone and a first saccharide chain and/or a second saccharide chain, and comprising: an aglycone core structure comprising an aldehyde group which has been derivatised; and/or the first saccharide chain wherein the first saccharide chain comprises a carboxyl group, which has been derivatised; and/or the second saccharide chain wherein the second saccharide chain comprises at least one acetoxy group which has been derivatised. The invention also relates to a first pharmaceutical composition comprising the saponin derivative of the invention.

Abstract: The present invention relates to immunoglobulins that specifically bind Aggrecan and more in particular to polypeptides, nucleic acids encoding such polypeptides; to methods for preparing such polypeptides; to compositions and in particular to pharmaceutical compositions that comprise such polypeptides, for prophylactic, therapeutic or diagnostic purposes. In particular, the immunoglobulins of the present invention inhibit the activity of Aggrecan.

Abstract: The invention relates to a conjugate for transferring an effector molecule from outside a cell into said cell, the conjugate comprising at least one effector molecule to be transferred into the cell, at least one saponin of the mono-desmosidic triterpene glycoside type or the bi-desmosidic triterpene glycoside type, and at least one single-domain antibody (sdAb), covalently bound to each other, wherein the sdAb is capable of binding to a cell-surface molecule of said cell. The invention also relates to a pharmaceutical composition comprising the conjugate of the invention. Furthermore, the invention relates to a pharmaceutical composition of the invention, for use as a medicament.

Abstract: The invention relates to a conjugate for transferring a saponin of the monodesmosidic triterpene glycoside type or of the bidesmosidic triterpene glycoside type from outside a cell into said cell, the conjugate comprising a single-domain antibody, capable of binding to said cell, covalently bound to a saponin. The invention also relates to a pharmaceutical combination comprising a first pharmaceutical composition comprising the conjugate of the invention and a second pharmaceutical composition comprising an active pharmaceutical ingredient, or to a pharmaceutical composition comprising the conjugate of the invention and an active pharmaceutical ingredient. In addition, the invention relates to the pharmaceutical combination of the invention or the pharmaceutical composition of the invention, for use as a medicament, or for use in the treatment or the prophylaxis of a cancer, an auto-immune disease, an infection, an enzyme deficiency, a gene defect.

Abstract: The invention relates to a pharmaceutical combination comprising: a conjugate of an effector molecule and a ligand for ASGPR, wherein the ligand for ASGPR comprises at least one GalNAc moiety; and a saponin of the monodesmosidic or bidesmosidic triterpene glycoside type. The invention also relates to a pharmaceutical composition comprising the conjugate and the saponin.

Abstract: The invention relates to a saponin derivative based on a saponin comprising a triterpene aglycone and a first saccharide chain and/or a second saccharide chain, and comprising: an aglycone core structure comprising an aldehyde group which has been derivatised; and/or the first saccharide chain wherein the first saccharide chain comprises a carboxyl group, which has been derivatised; and/or the second saccharide chain wherein the second saccharide chain comprises at least one acetoxy group which has been derivatised. The invention also relates to a first pharmaceutical composition comprising the saponin derivative of the invention.

Abstract: The invention relates to a conjugate for transferring an effector molecule from outside a cell into said cell, the conjugate comprising at least one effector molecule to be transferred into the cell, at least one saponin of the mono-desmosidic triterpene glycoside type or the bi-desmosidic triterpene glycoside type, and at least one single-domain antibody (sdAb), covalently bound to each other, wherein the sdAb is capable of binding to a cell-surface molecule of said cell. The invention also relates to a pharmaceutical composition comprising the conjugate of the invention. Furthermore, the invention relates to a pharmaceutical composition of the invention, for use as a medicament.

Abstract: The invention relates to a conjugate for transferring a saponin of the monodesmosidic triterpene glycoside type or of the bidesmosidic triterpene glycoside type from outside a cell into said cell, the conjugate comprising a single-domain antibody, capable of binding to said cell, covalently bound to a saponin. The invention also relates to a pharmaceutical combination comprising a first pharmaceutical composition comprising the conjugate of the invention and a second pharmaceutical composition comprising an active pharmaceutical ingredient, or to a pharmaceutical composition comprising the conjugate of the invention and an active pharmaceutical ingredient. In addition, the invention relates to the pharmaceutical combination of the invention or the pharmaceutical composition of the invention, for use as a medicament, or for use in the treatment or the prophylaxis of a cancer, an auto-immune disease, an infection, an enzyme deficiency, a gene defect.

Abstract: The invention relates to a saponin conjugate comprising a saponin covalently linked to a ligand for ASGPR, the ligand comprising at least one GalNAc. The invention also relates to a pharmaceutical combination comprising a first pharmaceutical composition comprising the saponin conjugate of the invention and a second pharmaceutical composition comprising a second conjugate of an effector molecule and a ligand for ASGPR, or a third conjugate of an effector molecule and a binding molecule for binding to a cell-surface molecule. In addition, the invention relates to a pharmaceutical composition comprising the saponin conjugate of the invention and the second conjugate or the third conjugate. Furthermore, the invention relates to a pharmaceutical combination or pharmaceutical composition of the invention, for use as a medicament.

Abstract: 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).

Abstract: 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.

Abstract: 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).

Abstract: This invention provides, and in certain specific but non-limiting aspects relates to: assays that can be used to predict whether a given ISV will be subject to protein interference as described herein and/or give rise to an (aspecific) signal in such an assay (such as for example in an ADA immunoassay).

Abstract: This invention provides, and in certain specific but non-limiting aspects relates to: assays that can be used to predict whether a given ISV will be subject to protein interference as described herein and/or give rise to an (aspecific) signal in such an assay (such as for example in an ADA immunoassay).

Abstract: The present invention relates to immunoglobulins that specifically bind Aggrecan and more in particular to polypeptides, nucleic acids encoding such polypeptides; to methods for preparing such polypeptides; to compositions and in particular to pharmaceutical compositions that comprise such polypeptides, for prophylactic, therapeutic or diagnostic purposes. In particular, the immunoglobulins of the present invention inhibit the activity of Aggrecan.