Claims for Patent: 6,007,840

Summary for Patent: 6,007,840

Title:	Pharmaceutical compositions comprising cyclosporins
Abstract:	Pharmaceutical compositions comprising a cyclosporin, e.g. Ciclosporin or [Nva].sup.2 -Ciclosporin, in "microemulsion pre-concentrate" and microemulsion form. The compositions typically comprise (1.1) a C.sub.1-5 alkyl or tetrahydrofurfuryl di- or partial-ether of a low molecular weight mono- or poly-oxy-alkane diol, e.g. Transcutol or Glycofurol, as hydrophilic component. Compositions are also provided comprising a cyclosporin and (1.1) and, suitably, also a saccharide monoester, e.g. raffinose or saccharose monolaurate. Dosage forms include topical formulations and, in particular, oral dosage forms.
Inventor(s):	Hauer; Birgit (Lahr, DE), Meinzer; Armin (Freiburg/Munzingen, DE), Posanski; Ulrich (Freiburg, DE), Richter; Friedrich (Schonbuhl-Urtenen, CH)
Assignee:	Novartis AG (Basel, CH)
Application Number:	09/184,547
Patent Claims:	1. A method of orally administering a pharmaceutical composition, said method comprising orally administering to a patient in need of cyclosporin A therapy a composition comprising about 5to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having particles of less than 2,000 .ANG. is spontaneously formed. 2. The method of claim 1 wherein the particles have a maximum size of less than 1,500 .ANG.. 3. The method of claim 1 wherein the maximum size of the particles is from 100 to 1,000 .ANG.. 4. The method of claim 1 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 5. The method of claim 1 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 6. The method of claim 1 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 7. The method of claim 1 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 8. The method of claim 1 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 9. The method of claim 1 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 10. The method of claim 1 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 11. The method of claim 1 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 12. The method of claim 11 wherein said hydrophilic polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoxyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 13. The method of claim 1 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 14. The method of claim 1 wherein said composition further comprises ethanol. 15. The method of claim 1 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 16. The method of claim 1 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight. 17. A method of orally administering a pharmaceutical composition, said method comprising orally administering to a patient in need of cyclosporin A therapy a composition comprising about 5 to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having an average particle size of less than about 1,500 .ANG. is spontaneously formed. 18. The method of claim 17 wherein the average particle size is less than about 1,000 .ANG.. 19. The method of claim 17 wherein the average particle size is from about 150 to less than about 1,000 .ANG.. 20. The method of claim 17 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 21. The method of claim 17 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 22. The method of claim 17 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 23. The method of claim 17 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 24. The method of claim 17 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 25. The method of claim 17 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 26. The method of claim 17 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 27. The method of claim 17 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 28. The method of claim 17 wherein said polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 29. The method of claim 17 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 30. The method of claim 17 wherein said composition further comprises ethanol. 31. The method of claim 17 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 32. The method of claim 17 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight. 33. A method of reducing the variability of bioavailability levels of cyclosporin A for patients during cyclosporin A therapy, said method comprising orally administering a pharmaceutical composition comprising about 5 to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having particles of less than 2,000 .ANG. is spontaneously formed. 34. The method of claim 33 wherein the particles have a maximum size of less than 1,500 .ANG.. 35. The method of claim 33 wherein the maximum size of the particles is from 100 to 1,000 .ANG.. 36. The method of claim 33 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 37. The method of claim 33 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 38. The method of claim 33 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 39. The method of claim 33 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 40. The method of claim 33 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 41. The method of claim 33 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 42. The method of claim 33 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 43. The method of claim 33 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 44. The method of claim 33 wherein said hydrophilic polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoxyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 45. The method of claim 33 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 46. The method of claim 33 wherein said composition further comprises ethanol. 47. The method of claim 33 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 48. The method of claim 33 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight. 49. A method of reducing the variability of bioavailability levels of cyclosporin A for patients during cyclosporin A therapy, said method comprising orally administering a pharmaceutical composition comprising about 5 to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having an average particle size of less than about 1,500 .ANG. is spontaneously formed. 50. The method of claim 49 wherein the average particle size is less than about 1,000 .ANG.. 51. The method of claim 49 wherein the average particle size is from about 150 to less than about 1,000 .ANG.. 52. The method of claim 49 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 53. The method of claim 49 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 54. The method of claim 49 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 55. The method of claim 49 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 56. The method of claim 49 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 57. The method of claim 49 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 58. The method of claim 49 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 59. The method of claim 49 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 60. The method of claim 59 wherein said hydrophilic polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoxyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 61. The method of claim 49 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 62. The method of claim 49 wherein said composition further comprises ethanol. 63. The method of claim 49 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 64. The method of claim 49 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight. 65. An oral pharmaceutical composition comprising about 5 to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having particles of less than 2,000 .ANG. is spontaneously formed. 66. The composition of claim 65 wherein the particles have a maximum size of less than 1,500 .ANG.. 67. The composition of claim 65 wherein the maximum size of the particles is from 100 to 1,000 .ANG.. 68. The composition of claim 65 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 69. The composition of claim 65 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 70. The composition of claim 65 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 71. The composition of claim 65 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 72. The composition of claim 65 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 73. The composition of claim 65 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 74. The composition of claim 65 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 75. The composition of claim 65 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 76. The composition of claim 75 wherein said hydrophilic polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoxyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 77. The composition of claim 65 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 78. The composition of claim 65 wherein said composition further comprises ethanol. 79. The composition of claim 65 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 80. The composition of claim 65 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight. 81. An oral pharmaceutical composition comprising about 5 to about 25% by weight of cyclosporin A, about 0.5 to about 90% by weight of a propylene glycol hydrophilic component, about 0.5 to about 90% by weight of a lipophilic component and about 0.5 to about 90% by weight of a hydrophilic surfactant, all weight percents being based on the total weight of the composition, the relative proportion of said cyclosporin A, hydrophilic component, lipophilic component and hydrophilic surfactant being such that upon dilution of said composition with adequate water, an oil-in-water microemulsion having an average particle size of less than about 1,500 .ANG. is spontaneously formed. 82. The composition of claim 81 wherein the average particle size is less than about 1,000 .ANG.. 83. The composition of claim 81 wherein the average particle size is from about 150 to less than about 1,000 .ANG.. 84. The composition of claim 81 wherein the dilution with water is to a ratio of 1 part by weight of composition to 1 part by weight of water. 85. The composition of claim 81 wherein the hydrophilic surfactant is selected from the group consisting of polyoxyethylene glycolated natural vegetable oil, polyoxyethylene glycolated hydrogenated vegetable oil, polyoxyethylene-sorbitan-fatty acid ester and polyoxyethylene fatty acid ester. 86. The composition of claim 81 comprising about 2 to about 45% by weight of lipophilic component, based on the total weight of the composition. 87. The composition of claim 81 comprising about 20 to about 90% by weight of hydrophilic surfactant, based on the total weight of the composition. 88. The composition of claim 81 comprising about 0.5 to about 90% by weight of hydrophilic component, about 2 to about 45% by weight of lipophilic component and about 20 to about 90% by weight of hydrophilic surfactant, all weights based on the total weight of the composition. 89. The composition of claim 81 wherein said hydrophilic surfactant is a polyoxyethylene glycolated natural vegetable oil. 90. The composition of claim 81 wherein said hydrophilic surfactant is a polyoxyethylene glycolated hydrogenated vegetable oil. 91. The composition of claim 81 wherein said hydrophilic surfactant is a polyoxyethylene-sorbitan-fatty acid ester. 92. The composition of claim 91 wherein said hydrophilic polyoxyethylene-sorbitan-fatty acid ester is selected from the group consisting of polyoxyethylene(20)sorbitanmonolaurate, polyoxyethylene(20)sorbitanmonopalmitate, polyoxyethylene(20)sorbitanmonostearate, polyoxyethylene(20)sorbitanmonooleate, polyoxyethylene(20)sorbitantristearate, polyoxyethylene(20)sorbitantrioleate, polyoxyethylene(4)sorbitanmonolaurate, polyoxyethylene(4)sorbitanmonostearate and polyoxyethylene(5)sorbitanmonooleate. 93. The composition of claim 81 wherein said hydrophilic surfactant is a polyoxyethylene fatty acid ester. 94. The composition of claim 81 wherein said composition further comprises ethanol. 95. The composition of claim 81 comprising about 5 to about 15% by weight of cyclosporin A, based on the total weight of the composition. 96. The composition of claim 81 comprising a cyclosporin A to hydrophilic surfactant ratio of about 1:1 to about 1:10, based on parts per weight.