LOW VISCOSITY COMPOSITIONS COMPRISING A PEGYLATED GLA-DOMAIN CONTAINING PROTEIN
The present invention relates to a method for lowering the viscosity of compositions comprising Vitamin K-dependent proteins.
1 . A composition comprising a Vitamin K-dependent protein of interest in a concentration of at least 25 mg/ml, said Vitamin K-dependent protein of interest being functionalised with one or more polyethylene glycol (PEG) moiety, said composition comprising a divalent metal cation in a concentration higher than 10 mM, wherein the viscosity is lower than 30 mPascal×second (mPa·s) as measured in a “Rheometer Viscosity Assay”.
2 . The composition of claim 1 , wherein each of the one or more PEG moiety has a molecular weight of at least 300 Da, such as at least 500 Da, such as at least 1000 Da, such as at least 5 kDa, such as at least 10 KDa.
3 . The composition of claim 2 , wherein each of the one or more PEG moiety has a molecular weight of 40 KDa.
4 . The composition of claim 1 , wherein said divalent metal cation is selected from the list consisting of Ca 2+ , Zn 2+ , Mg 2+ , Cu 2+ , Mn 2+ , Co 2+ , Fe 2+ , Sm ° , Ni ° , Cd 2+ , Hg ° , +, and Sm 2+ .
5 . The composition of claim 1 , wherein said Vitamin K-dependent protein of interest is a Factor VII polypeptide.
6 . The composition of claim 5 , wherein the Factor VII polypeptide is a Factor VII sequence variant.
7 . The composition of claim 1 , wherein the Factor VII polypeptide is present in a concentration of 20-50 mg/mL.
8 . The composition of claim 1 , which has a pH of about 4.0 to about 8.0.
9 . The composition of claim 1 , wherein said divalent metal cation is present in a concentration of 10-100 mM.
10 . The composition of claim 1 , further comprising a tonicity modifying agent, wherein the tonicity modifying agent is selected from the group consisting of neutral salts, amino acids, peptides of 2-5 amino acid residues, monosaccharides, disaccharides, polysaccharides, sugar alcohols, and combinations thereof.
11 . The composition of claim 10 , wherein at least one tonicity modifying agent is a neutral salt selected from the group consisting of sodium salts, potassium salts, calcium salts, and magnesium salts.
12 . The composition of claim 1 , wherein said Vitamin K-dependent protein of interest is selected from the list consisting of Factor XII/XIIa, Factor XI/XIa, Factor X/Xa, Factor IX/IXa, Factor VII/VIIa, thrombin, and protein C.
13 . The composition of claim 1 , wherein the viscosity as measured in the “Rheometer Viscosity Assay” is less than 25 mPascal×second (mPa·s).
14 . A liquid, aqueous pharmaceutical composition comprising the composition of claim 1 .
15 . A method of lowering the viscosity of the composition of claim 1 , said method comprising adding a divalent metal cation to a final concentration higher than 10 mM.
16 . The composition of claim 7 , wherein the Factor VII polypeptide is present in a concentration selected from the group consisting of at least 30 mg/mL, at least 35 mg/mL, and at least 40 mg/mL.
17 . The composition of claim 7 , wherein the Factor VII polypeptide is present in a concentration of 20-40 mg/mL
18 . The composition of claim 7 , wherein the Factor VII polypeptide is present in a concentration of 20-30 mg/mL.
19 . The composition of claim 9 , wherein said divalent metal cation is present in a concentration of selected from the group consisting of at least 20 mM, as at least 30 mM, as at least 40 mM, as at least 50 mM, and at least 60 mM.
20 . The composition of claim 13 , wherein the viscosity as measured in the “Rheometer Viscosity Assay” is selected from the group consisting of less than 20 mPa·s, less than 15 mPa·s, less than 10 mPa·s, and less than 5 mPa·s.