Methods of using antigen binding proteins to proprotein convertase subtilisin kexin type 9 (PCSK9)
Antigen binding proteins that interact with Proprotein Convertase Subtilisin Kexin Type 9 (PCSK9) are described. Methods of treating hypercholesterolemia and other disorders by administering a pharmaceutically effective amount of an antigen binding protein to PCSK9 are described. Methods of detecting the amount of PCSK9 in a sample using an antigen binding protein to PCSK9 are described.
1. A method for treating hypercholesterolemia in a patient, said method comprising administering to a patient in need thereof a therapeutically effective amount of a monoclonal antibody that binds to PCSK9, wherein the monoclonal antibody binds to an epitope on PCSK9 comprising at least one of the following residues: S153, I154, P155, R194, D238, A239, I369, S372, D374, C375, T377, F379, V380, or S381 of SEQ ID NO: 3, and wherein the monoclonal antibody blocks binding between PCSK9 and an EGFa domain of LDLR to thereby reduce an elevated serum cholesterol level.
2. The method of claim 1 , wherein the monoclonal antibody comprises a human monoclonal antibody.
3. The method of claim 1 , wherein the monoclonal antibody comprises a humanized monoclonal antibody.
4. The method of claim 2 , wherein the monoclonal antibody comprises:
a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49;
a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49;
a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49;
a light chain CDR1 that is a CDR1 in SEQ ID NO: 23;
a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and
a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
5. The method of claim 4 , wherein the heavy chain CDR1 is SEQ ID NO: 308 or SEQ ID NO:368; the heavy chain CDR2 is SEQ ID NO: 175; the heavy chain CDR3 is SEQ ID NO: 180; the light chain CDR1 is SEQ ID NO: 158; the light chain CDR2 is SEQ ID NO: 162; and the light chain CDR3 is SEQ ID NO: 395.
6. The method of claim 2 , wherein the therapeutically effective amount is sufficient to reduce the elevated serum cholesterol level in the patient by at least 20%.
7. The method of claim 2 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
8. The method of claim 1 , wherein hypercholesterolemia comprises autosomal-dominant hypercholesterolemia, polygenic hypercholesterolemia, or heterozygote familial hypercholesterolemia.
9. The method of claim 1 , wherein the method of treating comprises preventing hypercholesterolemia in the patient.
10. The method of claim 1 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising the following complementarity determining regions (CDRs): a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49; a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49; and a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49; and
a light chain polypeptide comprising the following CDRs: a light chain CDR1 that is a CDR1 in SEQ ID NO: 23; a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
11. The method of claim 1 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising a heavy chain variable region amino acid sequence of SEQ ID NO: 49; and
a light chain polypeptide comprising a light chain variable region amino acid sequence of SEQ ID NO: 23.
12. The method of claim 1 , wherein the monoclonal antibody comprises a lambda light chain constant region.
13. The method of claim 1 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 156.
14. The method of claim 1 , wherein the monoclonal antibody comprises an intact immunoglobulin.
15. The method of claim 1 , wherein the monoclonal antibody comprises a fragment of an intact immunoglobulin.
16. The method of claim 1 , further comprising first diagnosing the patient as having hypercholesterolemia.
17. The method of claim 1 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 157.
18. The method of claim 17 , wherein the patient is diagnosed as having hypercholesterolemia.
19. The method of claim 18 , wherein the therapeutically effective amount is sufficient to reduce the elevated serum cholesterol level in the patient by at least 20%.
20. The method of claim 18 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
21. A method of treating hypercholesterolemia in a patient, the method comprising administering to a patient in need thereof a therapeutically effective amount of a monoclonal antibody that binds to PCSK9, wherein the monoclonal antibody binds to human PCSK9 having an amino acid sequence of SEQ ID NO: 1 at one or more of amino acid residues S123, E129, A311, D313, or D337 of SEQ ID NO: 1, and wherein the monoclonal antibody blocks binding between PCSK9 and an EGFa domain of LDLR to thereby reduce an elevated serum cholesterol level.
22. The method of claim 21 , wherein the method of treating comprises preventing hypercholesterolemia in the patient.
23. The method of claim 21 , wherein the monoclonal antibody comprises a human monoclonal antibody.
24. The method of claim 21 , wherein the monoclonal antibody comprises a humanized monoclonal antibody.
25. The method of claim 23 , wherein the monoclonal antibody comprises:
a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49;
a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49;
a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49;
a light chain CDR1 that is a CDR1 in SEQ ID NO: 23;
a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and
a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
26. The method of claim 25 , wherein the heavy chain CDR1 is SEQ ID NO: 308 or SEQ ID NO: 368; the heavy chain CDR2 is SEQ ID NO: 175; the heavy chain CDR3 is SEQ ID NO: 180; the light chain CDR1 is SEQ ID NO: 158; the light chain CDR2 is SEQ ID NO: 162; and the light chain CDR3 is SEQ ID NO: 395.
27. The method of claim 21 , wherein the therapeutically effective amount is sufficient to reduce the elevated serum cholesterol level in the patient by at least 20%.
28. The method of claim 27 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
29. The method of claim 21 , wherein hypercholesterolemia comprises autosomal-dominant hypercholesterolemia, polygenic hypercholesterolemia, or heterozygote familial hypercholesterolemia.
30. The method of claim 21 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising the following complementarity determining regions (CDRs): a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49; a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49; and a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49; and
a light chain polypeptide comprising the following CDRs: a light chain CDR1 that is a CDR1 in SEQ ID NO: 23; a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
31. The method of claim 21 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising a heavy chain variable region amino acid sequence of SEQ ID NO: 49; and
a light chain polypeptide comprising a light chain variable region amino acid sequence of SEQ ID NO: 23.
32. The method of claim 21 , wherein the monoclonal antibody comprises a lambda light chain constant region.
33. The method of claim 21 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 156.
34. The method of claim 21 , wherein the monoclonal antibody comprises an intact immunoglobulin.
35. The method of claim 21 , wherein the monoclonal antibody comprises a fragment of an intact immunoglobulin.
36. The method of claim 21 , further comprising first diagnosing the patient as having hypercholesterolemia.
37. The method of claim 21 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 157.
38. The method of claim 37 , wherein the patient is diagnosed as having hypercholesterolemia.
39. The method of claim 38 , wherein the therapeutically effective amount is sufficient to reduce the elevated serum cholesterol level in the patient by at least 20%.
40. The method of claim 38 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
41. A method of treating a condition associated with an elevated serum cholesterol level in a patient, comprising administering to a patient in need thereof a therapeutically effective amount of a monoclonal antibody that binds to a PCSK9 protein and reduces an elevated serum cholesterol level, wherein the monoclonal antibody comprises:
a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49;
a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49;
a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49;
a light chain CDR1 that is a CDR1 in SEQ ID NO: 23;
a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and
a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
42. The method of claim 41 , wherein the heavy chain CDR1 is SEQ ID NO: 308 or SEQ ID NO:368; the heavy chain CDR2 is SEQ ID NO: 175; the heavy chain CDR3 is SEQ ID NO: 180; the light chain CDR1 is SEQ ID NO: 158; the light chain CDR2 is SEQ ID NO: 162; and the light chain CDR3 is SEQ ID NO: 395.
43. The method of claim 41 , wherein the therapeutically effective amount is sufficient to reduce the elevated serum cholesterol level in the patient by at least 20%.
44. The method of claim 43 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of the monoclonal antibody.
45. The method of claim 41 , wherein the condition associated with the elevated serum cholesterol level is at least one of hypercholesterolemia, heart disease, metabolic syndrome, diabetes, coronary heart disease, stroke, cardiovascular diseases, Alzheimers disease, dyslipidemias, atherosclerotic diseases, coronary heart disease, coronary artery disease, peripheral arterial disease, stroke (ischaemic and hemorrhagic), angina pectoris, cerebrovascular disease, coronary syndrome, or myocardial infarction.
46. The method of claim 41 wherein the condition associated with the elevated serum cholesterol level comprises hypercholesterolemia.
47. The method of claim 46 , wherein hypercholesterolemia comprises autosomal-dominant hypercholesterolemia, polygenic hypercholesterolemia, or heterozygote familial hypercholesterolemia.
48. The method of claim 41 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising the following complementarity determining regions (CDRs): a heavy chain CDR1 that is a CDR1 in SEQ ID NO: 49; a heavy chain CDR2 that is a CDR2 in SEQ ID NO: 49; and a heavy chain CDR3 that is a CDR3 in SEQ ID NO: 49; and
a light chain polypeptide comprising the following CDRs: a light chain CDR1 that is a CDR1 in SEQ ID NO: 23; a light chain CDR2 that a CDR2 in SEQ ID NO: 23; and a light chain CDR3 that is a CDR3 in SEQ ID NO: 23.
49. The method of claim 41 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising a heavy chain variable region amino acid sequence of SEQ ID NO: 49; and
a light chain polypeptide comprising a light chain variable region amino acid sequence of SEQ ID NO: 23.
50. The method of claim 41 , wherein the monoclonal antibody comprises:
a heavy chain polypeptide comprising a heavy chain variable region amino acid sequence of SEQ ID NO: 297; and
a light chain polypeptide comprising a light chain variable region amino acid sequence of SEQ ID NO: 298.
51. The method of claim 41 , wherein the monoclonal antibody comprises a lambda light chain constant region.
52. The method of claim 41 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 157.
53. The method of claim 41 , wherein the monoclonal antibody comprises an intact immunoglobulin.
54. The method of claim 41 , wherein the monoclonal antibody comprises a fragment of an intact immunoglobulin.
55. The method of claim 41 , further comprising first diagnosing the patient as having at least one of: hypercholesterolemia, heart disease, metabolic syndrome, diabetes, coronary heart disease, stroke, cardiovascular diseases, Alzheimers disease, dyslipidemias, atherosclerotic diseases, coronary heart disease, coronary artery disease, peripheral arterial disease, stroke (ischaemic and hemorrhagic), angina pectoris, cerebrovascular disease, coronary syndrome, or myocardial infarction.
56. A method for reducing serum cholesterol level in a subject in need thereof, said method comprising administering to the subject a therapeutically effective amount of a monoclonal antibody that binds to a PCSK9 protein of SEQ ID NO: 3 and reduces a serum cholesterol level, wherein the monoclonal antibody binds to an epitope on PCSK9 comprising at least one of the following residues: S153, I154, P155, R194, D238, A239, I369, S372, D374, C375, T377, F379, V380, or S381 of SEQ ID NO: 3, and wherein the monoclonal antibody blocks binding between PCSK9 and an EGFa domain of LDLR.
57. The method of claim 56 , further comprising first diagnosing the subject as having at least hypercholesterolemia.
58. The method of claim 57 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 157.
59. The method of claim 56 , wherein the therapeutically effective amount is sufficient to reduce the serum cholesterol level in the subject by at least 20%.
60. The method of claim 56 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
61. A method for reducing serum cholesterol level in a subject in need thereof, said method comprising administering to the subject a therapeutically effective amount of a monoclonal antibody that binds to a PCSK9 protein of SEQ ID NO: 1 and reduces a serum cholesterol level, wherein the monoclonal antibody binds to an epitope on PCSK9 comprising at least one of the following residues: S123, E129, A311, D313, or D337 of SEQ ID NO: 1, and wherein the monoclonal antibody blocks binding between PCSK9 and an EGFa domain of LDLR.
62. The method of claim 61 , further comprising first diagnosing the subject as having hypercholesterolemia.
63. The method of claim 62 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 157.
64. The method of claim 61 , wherein the therapeutically effective amount is sufficient to reduce the serum cholesterol level in the subject by at least 20%.
65. The method of claim 61 , wherein the therapeutically effective amount is from about 1 mg/kg to about 10 mg/kg of monoclonal antibody.
66. The method of claim 41 , wherein the monoclonal antibody comprises the amino acid sequence of SEQ ID NO: 156.