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Last Updated: January 26, 2022

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Claims for Patent: 6,436,902

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Summary for Patent: 6,436,902
Title: Therapeutic preparations for inhalation
Abstract:The present invention relates to compositions and methods for pulmonary administration of full-length parathyroid hormone to mamnmalian hosts for the treatment of osteoporosis. Thus there is provided a therapeutic preparation comprising a human full-length parathyroid hormone, or homologues thereof, in the form of a dry powder suitable for inhalation in which at least 50% of said dry powder consists of (a) particles having a diameter of up to 10 microns; or (b) agglomerates of such particles.
Inventor(s): Backstrom; Kjell (Lund, SE), Wallmark; Bjorn (Berlin, DE), Dahlback; Magnus (Lund, SE), Edman; Peter (Kullavik, SE), Johansson; Ann (Hollviken, SE)
Assignee: AstraZeneca AB (Sodertalje, SE)
Application Number:09/383,590
Patent Claims:1. A dry powder inhaler device containing a preparation consisting of a dry powder comprising (i) a parathyroid hormone (PTH), and (ii) a substance that enhances the absorption of PTH in the lower respiratory tract, wherein at least 50% of (i) and (ii) consists of primary particles having a diameter of up to 10 microns, and wherein the substance is selected from the group consisting of a salt of a fatty acid, a bile salt or derivative thereof, a phospholipid, and a cyclodextrin or derivative thereof.

2. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 1.

3. The dry powder inhaler device of claim 1, wherein the dry powder further comprises a pharmaceutically acceptable carrier.

4. The dry powder inhaler device of claim 3, characterized in that said carrier consists essentially of particles having a diameter of up to 10 microns such that at least 50% of said dry powder consists of, said primary particles being optionally agglomerated primary particles having a diameter of up to 10 microns.

5. The dry powder inhaler device of claim 4, in which at least 50% of the dry powder consists of primary particles having a diameter of between 1 and 6 microns, said primary particles being optionally agglomerated.

6. The dry powder inhaler device of claim 3, characterized in that said carrier consists essentially of coarse particles, such that an ordered mixture may be formed between said active compounds and the carrier.

7. The dry powder inhaler device of claim 1, in which at least 50% of the total mass of parathyroid hormone in the dry powder consists of primary particles having a diameter of between 1 and 6 microns.

8. The dry powder inhaler device of claim 1, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

9. The dry powder inhaler device of claim 8, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises amino acids 1-84 of SEQ ID NO:1.

10. The dry powder inhaler device of claim 3, characterised in that the carrier is selected from mono-, di-, and polysaccharides, sugar alcohols and polyols.

11. The dry powder inhaler device of claim 3, characterised in that the carrier is lactose.

12. The dry powder inhaler device of claim 3, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

13. The dry powder inhaler device of claim 4, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

14. The dry powder inhaler device of claim 5, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

15. The dry powder inhaler device of claim 6, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

16. The dry powder inhaler device of claim 7, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 34 of SEQ ID NO:1.

17. The dry powder inhaler device of claim 4, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 84 of SEQ ID NO:1.

18. The dry powder inhaler device of claim 5, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 84 of SEQ ID NO:1.

19. The dry powder inhaler device of claim 6, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 84 of SEQ ID NO:1.

20. The dry powder inhaler device of claim 7, characterized in that the parathyroid hormone is a human parathyroid hormone which comprises at least amino acids 1 to 84 of SEQ ID NO:1.

21. The dry powder inhaler device of claim 1, wherein the substance is a salt of a fatty acid.

22. The dry powder inhaler device of claim 21, wherein the salt of a fatty acid is sodium caprate.

23. The dry powder inhaler device of claim 1, wherein the substance is a bile salt.

24. The dry powder inhaler device of claim 23, wherein the bile salt is sodium taurocholate.

25. The dry powder inhaler device of claim 1, wherein the substance is a phospholipid.

26. The dry powder inhaler device of claim 1, wherein the substance is a cyclodextrin.

27. The dry powder inhaler device of claim 1, the primary particles are agglomerated.

28. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 3.

29. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 4.

30. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 5.

31. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 6.

32. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 7.

33. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 8.

34. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 9.

35. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 10.

36. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 11.

37. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 12.

38. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claims 13.

39. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 14.

40. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 15.

41. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 16.

42. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 17.

43. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 18.

44. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry power from the dry powder inhaler device of claim 19.

45. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 20.

46. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 21.

47. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 22.

48. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 23.

49. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 24.

50. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 25.

51. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 26.

52. A method of delivering parathyroid hormone to a mammal, the method comprising causing the mammal to inhale the dry powder from the dry powder inhaler device of claim 27.

53. A dry powder inhaler device containing a preparation consisting of a dry powder comprising (i) a full-length parathyroid hormone (PTH), and (ii) a substance which enhances the absorption of PTH in the lower respiratory tract, wherein at least 50% of (i) and (ii) consists of primary particles having a diameter of up to 10 microns.

54. The dry powder inhaler device of claim 53, wherein the dry powder further comprises a pharmaceutically acceptable carrier.

55. The dry powder inhaler device of claim 54, characterized in that said carrier consists essentially of particles having a diameter of up to 10 microns such that at least 50% of said dry powder consists of primary particles having a diameter of up to 10 microns said primary particles being optionally agglomerated.

56. The dry powder inhaler device of claim 55, in which at least 50% of the dry powder consists essentially of primary particles having a diameter of between 1 and 6 microns said primary particles being optionally agglomerated.

57. The dry powder inhaler device of claim 54, characterized in that said carrier consists essentially of coarse particles, such that an ordered mixture may be formed between said active compounds and the carrier.

58. The dry powder inhaler device of claim 53, in which at least 50% of the total mass of parathyroid hormone in the dry powder consists of primary particles having a diameter of between 1 and 6 microns.

59. The dry powder inhaler device of claim 53, characterized in that the full-length parathyroid hormone is a human full-length parathyroid hormone.

60. The dry powder inhaler device of claim 54, characterised in that the carrier is selected from mono-, di-, and polysaccharides, sugar alcohols, and polyols.

61. The dry powder inhaler device of claim 54, characterised in that the carrier is lactose.

62. The dry powder inhaler device of claim 53, wherein the substance is a salt of a fatty acid.

63. The dry powder inhaler device of claim 62, wherein the salt of a fatty acid is sodium caprate.

64. The dry powder inhaler device of claim 53, wherein the substance is a bile salt.

65. The dry powder inhaler device of claim 64, wherein the bile salt is sodium taurocholate.

66. The dry powder inhaler device of claim 53, wherein the substance is a phospholipid.

67. The dry powder inhaler device of claim 53, wherein the substance is a cyclodextrin.

68. The dry powder inhaler device of claim 53, wherein the primary particles are agglomerated.

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