IP Library Granted Patent US 11,661,460
Granted Patent B2
US 11,661,460 · App. 16/864,559 · Granted May 30, 2023

Anti-coagulation factor XI antibodies

Inventors: Zhu Chen (Warren, NJ); Kenneth Ellsworth (Cranbury, NJ); James Milligan (New Egypt, NJ); Elizabeth Oldham (Santa Clara, CA); Dietmar Seiffert (Lawrence Township, NJ); Vaishnavi Ganti (San Jose, CA); Mohammad Tabrizifard (Moranga, CA); Bianka Prinz (Lebanon, NH)
Assignees: Merck Sharp & Dohme LLC; Adimab, LLC
C07K16/36A61K39/3955A61K2039/505A61K2039/58C07K2317/75C07K2317/76C07K2317/90C07K2317/92
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Quick Facts
Patent No.
US 11,661,460
App. No.
16/864,559
Granted
May 30, 2023
Kind
B2
Abstract

Antibodies that bind the apple 3 domain of human coagulation Factor XI and inhibit activation of FXI by coagulation factor XIIa as well as activation of FIX by FXIa are described.

Claims (106)

1. A method for therapeutic or prophylactic treatment of a thromboembolic disorder or disease in a subject comprising:

administering to the subject an effective amount of an antibody or antigen binding fragment comprising:

six complimentary determining regions (CDRs) of an anti-FXI antibody of the αFXI-18623p family,

wherein the six CDRs comprise

(a) CDR1, CDR2, and CDR3 of the heavy chain (HC) having the amino acid sequence shown in SEQ ID NO:43; and

(b) CDR1, CDR2, and CDR3 of the light chain (LC) having the amino acid sequence shown in SEQ ID NO:31.

2. The method of claim 1 , wherein the antibody or antigen binding fragment comprises (a) a heavy chain complementarity determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, an HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and an HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10 and (b) a light chain complementarity determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, an LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and an LC-CDR 3 comprises having the amino acid sequence shown in SEQ ID NO:13.

3. The method of claim 2 , wherein the antibody or antigen binding fragment comprises an HC variable domain having the amino acid sequence shown in SEQ ID NO:28 or 29 and an LC variable domain having the amino acid sequence shown in SEQ ID NO:30.

4. The method of claim 1 , wherein the antibody comprises a HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

5. The method of claim 1 , wherein the antibody comprises a LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

6. The method of claim 1 , wherein the antibody or antigen binding fragment binds the apple 3 domain of coagulation factor XI (FXI) and inhibits activation of FXI and/or Factor XIa-mediated activation of Factor IX.

7. The method of claim 1 , wherein the antibody comprises:

(a) an HC having a constant domain and a variable domain wherein the variable domain comprises a heavy chain-complementary determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, a HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and a HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10; and

(b) an LC having a constant domain and a variable domain wherein the variable domain comprises a light chain-complementary determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, a LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and a LC-CDR 3 having the amino acid sequence shown in SEQ ID NO:13.

8. The method of claim 7 , wherein the antibody comprises an HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

9. The method of claim 7 , wherein the antibody comprises an LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

10. The method of claim 1 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

11. The method of claim 1 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

12. The method of claim 1 , wherein the subject has end-stage renal disease (ESRD).

13. The method of claim 1 , wherein the thromboembolic disorder or disease is venous thromboembolism (VTE).

14. The method of claim 1 , wherein the therapeutic or prophylactic treatment of a thromboembolic disorder or disease in a subject is for Stroke Prevention in Atrial Fibrillation (SPAF).

15. The method of claim 1 , wherein the thromboembolic disorder or disease is medical device-related.

16. The method of claim 15 , wherein the medical device is a stent, endovascular stent graft, cardiac or venous catheter, continuous flow ventricular assist device (CF-LVAD), hemodialysis device, cardiopulmonary bypass device, Extracorporeal Membrane Oxygenation (ECMO) device, or ventricular assist device (VAD).

17. A method for therapeutic or prophylactic treatment of thromboembolic complications in a subject with end-stage renal disease (ESRD) comprising:

administering to the subject an effective amount of an antibody or antigen binding fragment comprising:

(i) six complimentary determining regions (CDRs) of an anti-FXI antibody of the aFXI-18623p family,

wherein the six CDRs comprise

(a) CDR1, CDR2, and CDR3 of the heavy chain (HC) having the amino acid sequence shown in SEQ ID NO:43; and

(b) CDR1, CDR2, and CDR3 of the light chain (LC) having the amino acid sequence shown in SEQ ID NO:31.

18. The method of claim 17 , wherein the antibody or antigen binding fragment comprises (a) a heavy chain complementarity determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, an HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and an HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10 and (b) a light chain complementarity determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, an LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and an LC-CDR 3 comprises having the amino acid sequence shown in SEQ ID NO:13.

19. The method of claim 18 , wherein the antibody or antigen binding fragment comprises an HC variable domain having the amino acid sequence shown in SEQ ID NO:28 or 29 and an LC variable domain having the amino acid sequence shown in SEQ ID NO:30.

20. The method of claim 17 , wherein the antibody comprises a HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

21. The method of claim 17 , wherein the antibody comprises a LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

22. The method of claim 17 , wherein the antibody or antigen binding fragment binds the apple 3 domain of coagulation factor XI (FXI) and inhibits activation of FXI and/or Factor XIa-mediated activation of Factor IX.

23. The method of claim 17 , wherein the antibody comprises:

(a) an HC having a constant domain and a variable domain wherein the variable domain comprises a heavy chain-complementary determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, a HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and a HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10; and

(b) an LC having a constant domain and a variable domain wherein the variable domain comprises a light chain-complementary determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, a LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and a LC-CDR 3 having the amino acid sequence shown in SEQ ID NO:13.

24. The method of claim 23 , wherein the antibody comprises an HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

25. The method of claim 23 , wherein the antibody comprises an LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

26. The method of claim 17 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

27. The method of claim 17 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

28. A method for therapeutic or prophylactic treatment of a thromboembolic disorder or disease in a subject with end-stage renal disease (ESRD) comprising:

administering to the subject an effective amount of an antibody comprising a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 or 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

29. A method for therapeutic or prophylactic treatment of treating or preventing venous thromboembolism (VTE) in a subject comprising:

administering to the subject an effective amount of an antibody or antigen binding fragment comprising:

six complimentary determining regions (CDRs) of an anti-FXI antibody of the αFXI-18623p family,

wherein the six CDRs comprise (a) CDR1, CDR2, and CDR3 of the heavy chain (HC) having the amino acid sequence shown in SEQ ID NO:43; and

(b) CDR1, CDR2, and CDR3 of the light chain (LC) having the amino acid sequence shown in SEQ ID NO:31.

30. The method of claim 29 , wherein the antibody or antigen binding fragment comprises (a) a heavy chain complementarity determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, an HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and an HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10 and (b) a light chain complementarity determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, an LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and an LC-CDR 3 comprises having the amino acid sequence shown in SEQ ID NO:13.

31. The method of claim 30 , wherein the antibody or antigen binding fragment comprises an HC variable domain having the amino acid sequence shown in SEQ ID NO:28 or 29 and an LC variable domain having the amino acid sequence shown in SEQ ID NO:30.

32. The method of claim 29 , wherein the antibody comprises a HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

33. The method of claim 29 , wherein the antibody comprises a LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

34. The method of claim 29 , wherein the antibody or antigen binding fragment binds the apple 3 domain of coagulation factor XI (FXI) and inhibits activation of FXI and/or Factor XIa-mediated activation of Factor IX.

35. The method of claim 29 , wherein the antibody comprises:

(a) an HC having a constant domain and a variable domain wherein the variable domain comprises a heavy chain-complementary determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, a HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and a HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10; and

(b) an LC having a constant domain and a variable domain wherein the variable domain comprises a light chain-complementary determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, a LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and a LC-CDR 3 having the amino acid sequence shown in SEQ ID NO:13.

36. The method of claim 35 , wherein the antibody comprises an HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

37. The method of claim 35 , wherein the antibody comprises an LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

38. The method of claim 29 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

39. The method of claim 29 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

40. A method for therapeutic or prophylactic treatment of venous thromboembolism (VTE) in a subject comprising:

administering to the subject an effective amount of an antibody comprising a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 or 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

41. A method for prophylaxis of venous thromboembolism (VTE) in orthopedic surgery in a subject comprising:

administering to the subject an effective amount of an antibody comprising a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 or 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

42. A method for Stroke Prevention in Atrial Fibrillation (SPAF) in a subject comprising:

administering to the subject an effective amount of an antibody or antigen binding fragment comprising:

six complimentary determining regions (CDRs) of an anti-FXI antibody of the αFXI-18623p family,

wherein the six CDRs comprise

(a) CDR1, CDR2, and CDR3 of the heavy chain (HC) having the amino acid sequence shown in SEQ ID NO:43; and

(b) CDR1, CDR2, and CDR3 of the light chain (LC) having the amino acid sequence shown in SEQ ID NO:31.

43. The method of claim 42 , wherein the antibody or antigen binding fragment comprises (a) a heavy chain complementarity determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, an HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and an HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10 and (b) a light chain complementarity determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, an LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and an LC-CDR 3 comprises having the amino acid sequence shown in SEQ ID NO:13.

44. The method of claim 43 , wherein the antibody or antigen binding fragment comprises an HC variable domain having the amino acid sequence shown in SEQ ID NO:28 or 29 and an LC variable domain having the amino acid sequence shown in SEQ ID NO:30.

45. The method of claim 42 , wherein the antibody comprises a HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

46. The method of claim 42 , wherein the antibody comprises a LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

47. The method of claim 42 , wherein the antibody or antigen binding fragment binds the apple 3 domain of coagulation factor XI (FXI) and inhibits activation of FXI and/or Factor XIa-mediated activation of Factor IX.

48. The method of claim 42 , wherein the antibody comprises:

(a) an HC having a constant domain and a variable domain wherein the variable domain comprises a heavy chain-complementary determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, a HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and a HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10; and

(b) an LC having a constant domain and a variable domain wherein the variable domain comprises a light chain-complementary determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, a LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and a LC-CDR 3 having the amino acid sequence shown in SEQ ID NO:13.

49. The method of claim 48 , wherein the antibody comprises an HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

50. The method of claim 48 , wherein the antibody comprises an LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

51. The method of claim 42 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

52. The method of claim 42 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

53. A method for Stroke Prevention in Atrial Fibrillation (SPAF) in a subject comprising:

administering to the subject an effective amount of an antibody comprising a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 or 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

54. A method for therapeutic or prophylactic treatment of a medical device-related thromboembolic disorder or disease in a subject comprising:

administering to the subject an effective amount of an antibody or antigen binding fragment comprising:

six complimentary determining regions (CDRs) of an anti-FXI antibody of the αFXI-18623p family,

wherein the six CDRs comprise

(a) CDR1, CDR2, and CDR3 of the heavy chain (HC) having the amino acid sequence shown in SEQ ID NO:43; and

(b) CDR1, CDR2, and CDR3 of the light chain (LC) having the amino acid sequence shown in SEQ ID NO:31.

55. The method of claim 54 , wherein the antibody or antigen binding fragment comprises (a) a heavy chain complementarity determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, an HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and an HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10 and (b) a light chain complementarity determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, an LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and an LC-CDR 3 comprises having the amino acid sequence shown in SEQ ID NO:13.

56. The method of claim 55 , wherein the antibody or antigen binding fragment comprises an HC variable domain having the amino acid sequence shown in SEQ ID NO:28 or 29 and an LC variable domain having the amino acid sequence shown in SEQ ID NO:30.

57. The method of claim 54 , wherein the antibody comprises a HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

58. The method of claim 54 , wherein the antibody comprises a LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

59. The method of claim 54 , wherein the antibody or antigen binding fragment binds the apple 3 domain of coagulation factor XI (FXI) and inhibits activation of FXI and/or Factor XIa-mediated activation of Factor IX.

60. The method of claim 54 , wherein the antibody comprises:

(a) an HC having a constant domain and a variable domain wherein the variable domain comprises a heavy chain-complementary determining region (HC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:8, a HC-CDR 2 having the amino acid sequence shown in SEQ ID NO:9, and a HC-CDR 3 having the amino acid sequence shown in SEQ ID NO:10; and

(b) an LC having a constant domain and a variable domain wherein the variable domain comprises a light chain-complementary determining region (LC-CDR) 1 having the amino acid sequence shown in SEQ ID NO:11, a LC-CDR 2 having the amino acid sequence shown in SEQ ID NO:12, and a LC-CDR 3 having the amino acid sequence shown in SEQ ID NO:13.

61. The method of claim 60 , wherein the antibody comprises an HC constant domain comprising the amino acid sequence shown in SEQ ID NO:16, 17, 18, or 19.

62. The method of claim 60 , wherein the antibody comprises an LC constant domain comprising the amino acid sequence shown in SEQ ID NO:20.

63. The method of claim 54 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

64. The method of claim 54 , wherein the antibody comprises a heavy chain having the amino acid sequence shown in SEQ ID NO: 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

65. The method of claim 54 , wherein the medical device is a stent, endovascular stent graft, cardiac or venous catheter, continuous flow ventricular assist device (CF-LVAD), hemodialysis device, cardiopulmonary bypass device, Extracorporeal Membrane Oxygenation (ECMO) device, or ventricular assist device (VAD).

66. A method for therapeutic or prophylactic treatment of a medical device-related thromboembolic disorder in a subject comprising:

administering to the subject an effective amount of an antibody comprising a heavy chain having the amino acid sequence shown in SEQ ID NO: 43 or 67 and a light chain having the amino acid sequence shown in SEQ ID NO:31.

67. The method of claim 66 , wherein the medical device is a stent, endovascular stent graft, cardiac or venous catheter, continuous flow ventricular assist device (CF-LVAD), hemodialysis device, cardiopulmonary bypass device, and Extracorporeal Membrane Oxygenation (ECMO) device, or ventricular assist device (VAD).

Assignments (4)
MERGER Recorded Aug 8, 2022
From: MERCK SHARP & DOHME CORP.
To: MERCK SHARP & DOHME LLC
Reel/Frame 061102/0145 →
MERGER Recorded Jun 21, 2022
From: MERCK SHARP & DOHME CORP.
To: MERCK SHARP & DOHME LLC
Reel/Frame 060257/0852 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2022
From: CHEN, ZHU; ELLSWORTH, KENNETH; MILLIGAN, JAMES; OLDHAM, ELIZABETH; SEIFFERT, DIETMAR; GANTI, VAISHNAVI; TABRIZIFARD, MOHAMMAD
To: MERCK SHARP & DOHME CORP.
Reel/Frame 060224/0850 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2022
From: PRINZ, BIANKA
To: ADIMAB, LLC
Reel/Frame 060225/0007 →
Continuity (3)
Division 15619620 · Jun 12, 2017
Provisional Application 62349888 · Jun 14, 2016
Related Publication 20200317811A1 · Oct 8, 2020
Cited By (1)
US 12,275,800