IP Library Granted Patent US 8,791,160
Granted Patent B2
US 8,791,160 · App. 13/620,226 · Granted Jul 29, 2014

Tranexamic acid formulations

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Quick Facts
Patent No.
US 8,791,160
App. No.
13/620,226
Granted
Jul 29, 2014
Kind
B2
Abstract

Disclosed are modified release oral tranexamic acid formulations and methods of treatment therewith.

Claims (102)

1. A tranexamic acid tablet formulation comprising:

tranexamic acid or a pharmaceutically acceptable salt thereof; and

a modified release material;

wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 50% to about 95% by weight of the formulation;

wherein the modified release material is present in an amount from about 5% to about 50% by weight of the formulation; and

wherein said tablet formulation provides an in-vitro dissolution release rate of the tranexamic acid or pharmaceutically acceptable salt thereof, when measured by a USP 27 Apparatus Type II Paddle Method @ 50 RPM in 900 ml water at 37±0.5° C., of less than about 70% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 45 minutes, and about 100% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 120 minutes.

2. The tranexamic acid tablet formulation of claim 1 , wherein said tablet formulation provides an in-vitro dissolution release rate of the tranexamic acid or pharmaceutically acceptable salt thereof, when measured by a USP 27 Apparatus Type II Paddle Method @ 50 RPM in 900 ml water at 37±0.5° C., of less than about 40% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 15 minutes, less than about 70% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 45 minutes, and not less than about 50% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 90 minutes.

3. The tranexamic acid tablet formulation of claim 1 , wherein said formulation provides an in-vitro dissolution release rate of the tranexamic acid or pharmaceutically acceptable salt thereof, when measured by the USP 27 Apparatus Type II Paddle Method @ 50 RPM in 900 ml water at 37±0.5° C., of about 0% to about 40% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 15 minutes, from about 20% to about 60% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 30 minutes, from about 40% to about 65% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 45 minutes, from about 50% to about 95% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 60 minutes, and not less than about 60% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 90 minutes.

4. The tranexamic acid tablet formulation of claim 1 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

5. The tranexamic acid tablet formulation of claim 1 , wherein formulation provides a dose of about 650 mg of tranexamic acid per tablet.

6. The tranexamic acid tablet formulation of claim 5 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

7. The tranexamic acid tablet formulation of claim 1 , wherein the modified release material comprises hydroxypropylmethylcellulose.

8. The tranexamic acid tablet formulation of claim 7 , wherein formulation provides a dose of about 650 mg of tranexamic acid per tablet.

9. The tranexamic acid tablet formulation of claim 8 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

10. The tranexamic acid tablet formulation of claim 1 , wherein the formulation is in the form of a matrix tablet which comprises a drug mixed together with a granulated modified release material.

11. The tranexamic acid tablet formulation of claim 10 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

12. The tranexamic acid tablet formulation of claim 11 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

13. The tranexamic acid tablet formulation of claim 1 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation.

14. The tranexamic acid tablet formulation of claim 1 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 80% by weight of the formulation.

15. The tranexamic acid tablet formulation of claim 1 , wherein the modified release material is present in an amount from about 10% to about 35% by weight of the formulation.

16. The tranexamic acid tablet formulation of claim 1 , wherein:

the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation;

the formulation is in the form of a matrix tablet which comprises a granulated drug mixed together with the modified release material and

the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

17. The tranexamic acid tablet formulation of claim 16 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

18. The tranexamic acid tablet formulation of claim 16 , wherein the modified release material comprises hydroxypropylmethylcellulose.

19. The tranexamic acid tablet formulation of claim 18 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

20. A tranexamic acid tablet formulation comprising:

tranexamic acid or a pharmaceutically acceptable salt thereof; and

a modified release material;

wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 50% to about 95% by weight of the formulation;

wherein the modified release material is present in an amount from about 5% to about 50% by weight of the formulation; and

wherein said tablet formulation provides an in-vitro dissolution release rate of the tranexamic acid or pharmaceutically acceptable salt thereof, when measured by a USP 27 Apparatus Type II Paddle Method @ 50 RPM in 900 ml water at 37±0.5° C., of less than about 40% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 15 minutes, and about 100% by weight of the tranexamic acid or pharmaceutically acceptable salt thereof released at about 120 minutes.

21. The tranexamic acid tablet formulation of claim 20 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

22. The tranexamic acid tablet formulation of claim 20 , wherein formulation provides a dose of about 650 mg of tranexamic acid per tablet.

23. The tranexamic acid tablet formulation of claim 22 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

24. The tranexamic acid tablet formulation of claim 20 , wherein the modified release material comprises hydroxypropylmethylcellulose.

25. The tranexamic acid tablet formulation of claim 24 , wherein formulation provides a dose of about 650 mg of tranexamic acid per tablet.

26. The tranexamic acid tablet formulation of claim 25 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

27. The tranexamic acid tablet formulation of claim 20 , wherein the formulation is in the form of a matrix tablet which comprises a drug mixed together with a granulated modified release material.

28. The tranexamic acid tablet formulation of claim 27 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

29. The tranexamic acid tablet formulation of claim 28 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

30. The tranexamic acid tablet formulation of claim 20 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation.

31. The tranexamic acid tablet formulation of claim 20 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 80% by weight of the formulation.

32. The tranexamic acid tablet formulation of claim 20 , wherein the modified release material is present in an amount from about 10% to about 35% by weight of the formulation.

33. The tranexamic acid tablet formulation of claim 20 , wherein:

the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation;

the formulation is in the form of a matrix tablet which comprises a granulated drug mixed together with the modified release material and

the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

34. The tranexamic acid tablet formulation of claim 33 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

35. The tranexamic acid tablet formulation of claim 33 , wherein the modified release material comprises hydroxypropylmethylcellulose.

36. The tranexamic acid tablet formulation of claim 35 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

37. An oral dosage form comprising a tranexamic acid tablet formulation according to claim 1 coated with a film.

38. The oral dosage form of claim 37 , wherein the film comprises a film-forming agent present in an amount in the range from about 2% tablet weight to about 4% tablet weight.

39. The oral dosage form of claim 37 , wherein the film comprises a film-forming agent forming agent that comprises a (diethylaminoethyl)methacrylate/methyl-butyl-methacrylate copolymer.

40. The oral dosage form of claim 39 , wherein the film forming agent comprises Eudragit E.

41. The oral dosage form of claim 37 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

42. The oral dosage form of claim 37 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

43. The oral dosage form of claim 42 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

44. The oral dosage form of claim 37 , wherein the modified release material comprises hydroxypropylmethylcellulose.

45. The oral dosage form of claim 44 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

46. The oral dosage form of claim 45 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

47. The oral dosage form of claim 37 , wherein the formulation is in the form of a matrix tablet which comprises a drug mixed together with a granulated modified release material.

48. The oral dosage form of claim 47 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

49. The oral dosage form of claim 48 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

50. The oral dosage form of claim 37 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation.

51. The oral dosage form of claim 37 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 80% by weight of the formulation.

52. The oral dosage form of claim 37 , wherein the modified release material is present in an amount from about 10% to about 35% by weight of the formulation.

53. The oral dosage form of claim 37 , wherein:

the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation;

the formulation is in the form of a matrix tablet which comprises a granulated drug mixed together with the modified release material and

the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

54. The oral dosage form of claim 53 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

55. The oral dosage form of claim 53 , wherein the modified release material comprises hydroxypropylmethylcellulose.

56. The oral dosage form of claim 55 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

57. An oral dosage form comprising a tranexamic acid tablet formulation according to claim 20 coated with a film.

58. The oral dosage form of claim 57 , wherein the film comprises a film-forming agent present in an amount in the range from about 2% tablet weight to about 4% tablet weight.

59. The oral dosage form of claim 57 , wherein the film comprises a film-forming agent forming agent that comprises a (diethylaminoethyl)methacrylate/methyl-butyl-methacrylate copolymer.

60. The oral dosage form of claim 59 , wherein the film forming agent comprises Eudragit E.

61. The oral dosage form of claim 57 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

62. The oral dosage form of claim 57 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

63. The oral dosage form of claim 62 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

64. The oral dosage form of claim 57 , wherein the modified release material comprises hydroxypropylmethylcellulose.

65. The oral dosage form of claim 64 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

66. The oral dosage form of claim 65 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

67. The oral dosage form of claim 57 , wherein the formulation is in the form of a matrix tablet which comprises a drug mixed together with a granulated modified release material.

68. The oral dosage form of claim 67 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

69. The oral dosage form of claim 68 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

70. The oral dosage form of claim 57 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation.

71. The oral dosage form of claim 57 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 80% by weight of the formulation.

72. The oral dosage form of claim 57 , wherein the modified release material is present in an amount from about 10% to about 35% by weight of the formulation.

73. The oral dosage form of claim 57 , wherein:

the tranexamic acid or pharmaceutically acceptable salt thereof is present in an amount from about 60% to about 90% by weight of the formulation;

the formulation is in the form of a matrix tablet which comprises a granulated drug mixed together with the modified release material and

the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

74. The oral dosage form of claim 73 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

75. The oral dosage form of claim 73 , wherein the modified release material comprises hydroxypropylmethylcellulose.

76. The oral dosage form of claim 75 , wherein the tranexamic acid or pharmaceutically acceptable salt thereof is tranexamic acid.

77. A method of treating menorrhagia comprising administering to a patient in need of such treatment at least one tablet of the tranexamic acid formulation of claim 1 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

78. A method of treating menorrhagia comprising administering to a patient in need of such treatment at least one tablet of the tranexamic acid formulation of claim 20 , wherein the formulation provides a dose of about 650 mg of tranexamic acid per tablet.

79. A method of treating menorrhagia comprising administering to a patient in need of such treatment at least one oral dosage form according to claim 37 , wherein the oral dosage form provides a dose of about 650 mg of tranexamic acid.

80. A method of treating menorrhagia comprising administering to a patient in need of such treatment at least one oral dosage form according to claim 57 , wherein the oral dosage form provides a dose of about 650 mg of tranexamic acid.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 9, 2021
From: FERRING B.V.
To: AMRING PHARMACEUTICALS, INC.
Reel/Frame 055530/0133 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 7, 2013
From: MOORE, KEITH A.; HEASLEY, RALPH A.; GREIWE, JEFFREY S.
To: XANODYNE PHARMACEUTICALS, INC.
Reel/Frame 029937/0959 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2013
From: MIKART INC.
To: XANODYNE PHARMACEUTICALS INC.
Reel/Frame 029924/0031 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2013
From: FACEMIRE, JOHN W.; MODEST, JASON D.
To: MIKART, INC.
Reel/Frame 029924/0109 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2013
From: XANODYNE PHARMACEUTICALS
To: FERRING B.V.
Reel/Frame 029924/0202 →