Methods of treatment using modified FGF-21 polypeptides comprising non-naturally occurring amino acids

Patent metadata

Field	Value
Publication number	US-9517273-B2
Application number	US-201514680543-A
Country	US
Kind code	B2
Filing date	Apr 7, 2015
Priority date	Mar 30, 2007
Publication date	Dec 13, 2016
Grant date	Dec 13, 2016

Abstract

Modified FGF-21 polypeptides and uses thereof are provided.

First claim

What is claimed is:

1. A method of treating a patient in need thereof, comprising administering an effective amount of a modified FGF-21 polypeptide to said patient, wherein said modified FGF-21 polypeptide maintains the biological activity of human FGF-21 polypeptides and comprises a non-naturally encoded amino acid, wherein:
(a) the polypeptide comprises a sequence at least 90% identical to SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, or SEQ ID NO: 7;
(b) the non-naturally encoded amino acid has the structure:

wherein the R group is any substituent other than the side chain found in alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, valine, pyrrolysine, or selenocysteine;
(c) the polypeptide contains a substitution of an amino acid with the non-naturally encoded amino acid at a position in said modified FGF-21 polypeptide corresponding to residue 72, 77, 86, 108, 110, 131, or 146 of SEQ ID NO: 1;
(d) the non-naturally encoded amino acid is linked to a linker, polymer, or biologically active molecule; and
(e) the polypeptide has an in vivo half-life at least two-fold greater than the human FGF-21 polypeptide in SEQ ID NO: 1.

2. The method of claim 1 , wherein the non-naturally encoded amino acid is a phenylalanine derivative.

3. The method of claim 1 , wherein the non-naturally encoded amino acid is linked to a polymer.

4. The method of claim 1 , wherein the non-naturally encoded amino acid is selected from a para-substituted, ortho-substituted, or meta-substituted phenylalanine comprising a carbonyl group, an aminooxy group, a hydrazide group, a hydrazine group, a semicarbazide group, an azide group, or an alkyne group.

5. The method of claim 1 , wherein said patient has a disease selected from type 2 diabetes, obesity, insulin resistance, hyperinsulinemia, glucose intolerance, hyperglycemia, metabolic syndrome, a glucose metabolism disorder, or a combination thereof.

6. A method of treating a patient in need thereof, comprising administering an effective amount of a modified FGF-21 polypeptide to said patient, wherein said modified FGF-21 polypeptide maintains the biological activity of human FGF-21 polypeptides and comprises the polypeptide of SEQ ID NO:1 except that an amino acid in the polypeptide is substituted by a non-naturally encoded amino acid, wherein:
(a) said non-naturally encoded amino acid is at a position corresponding to residue 108 of SEQ ID NO:1;
(b) said non-naturally encoded amino acid comprises para-acetyl phenylalanine linked to a polymer comprising a poly(ethylene glycol), wherein said poly(ethylene glycol) has an average molecular weight of about 30 kDa; and
(c) said non-naturally encoded amino acid is linked to said polymer through an oxime linkage.

7. The method of claim 6 , wherein said polymer comprises an aminooxy group, and said non-naturally encoded amino acid is linked to said polymer by said oxime linkage formed by a reaction of said para-acetyl phenylalanine with said aminooxy group.

8. A method of treating a patient in need thereof, comprising administering an effective amount of a modified FGF-21 polypeptide to said patient, wherein said modified FGF-21 polypeptide maintains the biological activity of human FGF-21 polypeptides and comprises a non-naturally encoded amino acid, wherein:
(a) the polypeptide comprises a sequence at least 95% identical to SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, or SEQ ID NO: 7;
(b) the non-naturally encoded amino acid has the structure:

wherein the R group is any substituent other than the side chain found in alanine, arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, valine, pyrrolysine, or selenocysteine;
(c) the polypeptide contains a substitution of an amino acid with the non-naturally encoded amino acid at a position in said modified FGF-21 polypeptide corresponding to residue 72, 77, 86, 108, 110, 131, or 146 of SEQ ID NO: 1;
(d) the non-naturally encoded amino acid is linked to a linker, polymer, or biologically active molecule; and
(e) the polypeptide has an in vivo half-life at least two-fold greater than the human FGF-21 polypeptide in SEQ ID NO: 1.

9. The method of claim 8 , wherein the non-naturally encoded amino acid is a phenylalanine derivative or comprises a first functional group and the linker, polymer, or biologically active molecule comprises a second functional group, wherein the first functional group and second functional group are not identical and each comprise a carbonyl group, an aminooxy group, a hydrazide group, a hydrazine group, a semicarbazide group, an azide group, or an alkyne group.

10. The method of claim 9 , wherein the first functional group on the non-naturally encoded amino acid is a carbonyl moiety and the second functional group on the linker, polymer, or biologically active molecule is an aminooxy moiety, and the resultant covalent linkage created by the reaction of the first and second functional groups is an oxime linkage.

11. The method of claim 8 , wherein the non-naturally encoded amino acid is linked to a polymer comprising poly(ethylene glycol) or is linked to a polymer comprising poly(ethylene glycol) having an average molecular weight of between about 0.1 kDa and about 100 kDa.

12. The method of claim 11 , wherein the poly(ethylene glycol) has an average molecular weight of about 30 kDa.

13. The method of claim 8 , wherein the polypeptide has an in vivo half-life at least five-fold greater than the human FGF-21 polypeptide in SEQ ID NO: 1.

14. The method of claim 8 , wherein the non-naturally encoded amino acid is at a position corresponding to residue 108 of SEQ ID NO:1.

15. The method of claim 8 , wherein the non-naturally encoded amino acid is selected from a para-substituted, ortho-substituted, or meta-substituted phenylalanine comprising a carbonyl group, an aminooxy group, a hydrazide group, a hydrazine group, a semicarbazide group, an azide group, or an alkyne group.

16. The method of claim 15 , wherein the non-naturally encoded amino acid is para-acetyl-L-phenylalanine.

17. The method of claim 8 , wherein the polypeptide comprises SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, or SEQ ID NO: 7, containing a substitution of an amino acid with a non-naturally encoded amino acid.

18. The method of claim 8 , wherein said patient has a disease selected from type 2 diabetes, obesity, insulin resistance, hyperinsulinemia, glucose intolerance, hyperglycemia, metabolic syndrome, a glucose metabolism disorder, or a combination thereof.

19. The method of claim 8 , further comprising administering another active agent comprising anti-diabetic agent to the patient.

20. The method of claim 8 , further comprising administering to the patient another active agent selected from insulin, biguanides, thiazolidinediones, sulfonylureas, benzoic acid derivatives, glucosidase inhibitors, DPP-4 inhibitors, human insulin, zinc in

Assignees

• Ambrx Inc

Inventors

• Cujec Thomas P
• Mariani Roberto
• Hays Putnam Anna-Maria A
• Keefe Wiliam M
• Knudsen Nick
• Skidmore Lillian
• Pinkstaff Jason
• Kraynov Vadim

Classifications

• A61P3/04

  Anorexiants; Antiobesity agents · CPC title

• A61P3/08

  for glucose homeostasis (pancreatic hormones A61P5/48) · CPC title

• A61P9/10

  for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis · CPC title

• A61P43/00

  Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

• A61P37/02

  Immunomodulators · CPC title