Claims for Patent: 7,022,340

Summary for Patent: 7,022,340

Title:	Pharmaceutical composition as solid dosage form and method for manufacturing thereof
Abstract:	The present invention relates to a novel pharmaceutical composition as a solid dosage form comprising desmopressin as a therapeutically active ingredient, and to a method for manufacturing thereof. The invention relates to a pharmaceutical composition as a solid dosage form comprising desmopressin, or a pharmaceutically acceptable salt thereof, as a therapeutically active ingredient together with a pharmaceutically acceptable excipient, diluent or carrier, or mixture thereof; wherein the pharmaceutical composition is composed of a compressed granulate and contains lubricant in an amount of from 0.05 to less than 0.50 percent by weight of said pharmaceutical composition.
Inventor(s):	Lomryd; Hakan (Malmo, SE), Nicklasson; Helena (Malmo, SE), Olsson; Lars-Erik (Malmo, SE)
Assignee:	Ferring B.V. (Hoofddorp, NL)
Application Number:	10/626,857
Patent Claims:	1. A pharmaceutical composition as a tablet, comprising desmopressin acetate, as a therapeutically active ingredient together with a pharmaceutically acceptable excipient, diluent or carrier, or mixture thereof, wherein the pharmaceutical composition is composed of a compressed granulate and contains lubricant in an amount of from 0.05 to 0.40 percent by weight of said pharmaceutical composition, and wherein said tablet comprises from 20 to 600 .mu.g desmopressin acetate. 2. A pharmaceutical composition according to claim 1 which contains lubricant in an amount of from 0.10 to 0.30 percent by weight of said pharmaceutical composition. 3. A pharmaceutical composition according to claim 2 which contains lubricant in an amount of from 0.15 to 0.30 percent by weight of said pharmaceutical composition. 4. A pharmaceutical composition according to claim 1 which is composed of a compressed granulate with an average size of at least 100 .mu.m. 5. A pharmaceutical composition according to claim 4, wherein said granulate has a size distribution where at least 50% by volume thereof consists of granulate particles with a size of at least 100 .mu.m. 6. A pharmaceutical composition according to claim 1, wherein said lubricant is selected from a group consisting of stearic acid, salts or esters of stearic acid, hydrogenated vegetable oils, magnesium oxide, polyethylene glycol, sodium lauryl sulphate and talc, and mixtures thereof. 7. A pharmaceutical composition according to claim 6, wherein said lubricant is selected from magnesium stearate, calcium stearate, zinc stearate, glyceryl palmitostearate and sodium stearyl fumarate, and mixtures thereof. 8. A pharmaceutical composition according to claim 1, wherein at least one of said excipient, diluent and carrier is a substance selected from a monosaccharide, disaccharide, oligosaccharide and a polysaccharide. 9. A pharmaceutical composition according to claim 8, wherein the said substance has an average particle size in the range of from 60 to 1000 .mu.m. 10. A pharmaceutical composition according to claim 9, wherein said average particle size is in the range of from 70 to 500 .mu.m. 11. A pharmaceutical composition according to claim 8, wherein said substance is a disaccharide. 12. A pharmaceutical composition according to claim 8, wherein said polysaccharide is a starch. 13. A pharmaceutical composition according to claim 8, wherein both said disaccharide and polysaccharide are present. 14. A pharmaceutical composition according to claim 13, wherein the weight ratio between said disaccharide and polysaccharide is from 100:1 to 1:100. 15. A pharmaceutical composition according to claim 1, wherein the total combined amount of said excipient, diluent and carrier is from 5 to 99 percent by weight of the pharmaceutical composition. 16. A pharmaceutical composition according to claim 1, wherein said tablet is a perorally available tablet that is optionally adapted for oromucosal administration. 17. A pharmaceutical composition according to claim 1, wherein each unit of tablet has a hardness of at least 49N (5 kp). 18. A method for the manufacturing of a pharmaceutical composition as a tablet comprising desmopressin acetate as a therapeutically active ingredient, wherein said method comprises the steps of: i) mixing desmopressin acetate, and an excipient, diluent or carrier, or mixture thereof, optionally in the presence of a wetting agent, in an amount that provides from 20 to 600 .mu.g of desmopressin acetate per tablet; ii) subjecting the resulting mixture to formation of a granulate, optionally in the presence of a wetting agent, suitable for compression into said tablet; iii) optionally performing said mixing and/or formation of a granulate in the presence of at least one additive selected from a disintegrating agent, binder, flavoring agent, preservative, colorant and a mixture thereof; iv) optionally drying said granulate; v) compressing said granulate into said tablet, wherein lubricant is introduced so that the resulting pharmaceutical composition contains lubricant in an amount of from 0.05 to 0.40 percent by weight of said pharmaceutical composition. 19. A method according to claim 18, wherein the pharmaceutical composition contains lubricant in an amount of from 0.10 to 0.30 percent by weight of said pharmaceutical composition. 20. A method according to claim 19, wherein the pharmaceutical composition contains lubricant in an amount of from 0.15 to 0.30 percent by weight of said pharmaceutical composition. 21. A method according to claim 18, wherein said resulting mixture is subjected to formation of a granulate with an average size of at least 100 .mu.m. 22. A method according to claim 21, wherein said formation of granulate provides a size distribution where at least 50% by volume of said granulate consists of granulate particles with a size of at least 100 .mu.m. 23. A method according to claim 18, wherein said lubricant is selected from a group consisting of stearic acid, salts or esters of stearic acid, hydrogenated vegetable oils, magnesium oxide, polyethylene glycol, sodium lauryl sulphate and talc, and mixtures thereof. 24. A method according to claim 23, wherein said lubricant is selected from magnesium stearate, calcium stearate, glyceryl palmitostearate, sodium stearyl fumarate and zinc stearate, and mixtures thereof. 25. A method according to claim 18, wherein at least one of said excipient, diluent and carrier is a substance selected from a monosaccharide, disaccharide, oligosaccharide and a polysaccharide. 26. A method according to claim 25, wherein said substance has an average particle size in the range of from 60 to 1000 .mu.m. 27. A method according to claim 26, wherein said average particle size is in the range of from 70 to 500 .mu.m. 28. A method according to claim 25, wherein said substance is a disaccharide. 29. A method according to claim 25, wherein said polysaccharide is a starch. 30. A method according to claim 18, wherein said tablet is a perorally available tablet that is optionally adapted for oromucosal-administration. 31. A method according to claim 18, wherein said wetting agent is selected from water and a mixture of water and an alcohol. 32. A method according to claim 18, wherein both said disaccharide and polysaccharide are present in the mixing step. 33. A method according to claim 32, wherein the weight ratio between said disaccharide and polysaccharide is from 100:1 to 1:100. 34. A method according to claim 18, wherein the total combined amount of said excipient, diluent and carrier is from 5 to 99 percent by weight of the pharmaceutical composition. 35. A pharmaceutical composition according to claim 4 wherein said granulate has an average size of from 100 to 600 .mu.m. 36. A pharmaceutical composition according to claim 5, wherein said granulate has a size distribution where from 50 to 90% by volume thereof consists of granulate particles with a size of at least 100 .mu.m. 37. A pharmaceutical composition according to claim 5, wherein said granulate has a size distribution where at least 50% by volume thereof consists of granulate particles with a size in the range of from 100 to 600 .mu.m. 38. A pharmaceutical composition according to claim 10, wherein said average particle size is in the range of from 100 to 200 .mu.m. 39. A pharmaceutical composition according to claim 10, wherein said average particle size is in the range of from 120 to 180 .mu.m. 40. A pharmaceutical composition according to claim 11, wherein said substance is lactose-.alpha.-monohydrate. 41. A pharmaceutical composition according to claim 12, wherein said polysaccharide is a potato starch. 42. A pharmaceutical composition according to claim 14, wherein the weight ratio between said disaccharide and polysaccharide is from 2:1 to 1:2. 43. A pharmaceutical composition according to claim 15, wherein the total combined amount of said excipient, diluent and carrier is from 50 to 99 percent by weight of the pharmaceutical composition. 44. A pharmaceutical composition according to claim 16, wherein said tablet is a perorally available tablet that is optionally adapted for buccal and/or sublingual administration. 45. A method according to claim 21, wherein said resulting mixture is subjected to formation of a granulate with an average size of a from 100 to 600 .mu.m. 46. A method according to claim 22, wherein said formation of granulate provides a size distribution where from 50 to 90% by volume of said granulate consists of granulate particles with a size of at least 100 .mu.m. 47. A method according to claim 22, wherein said formation of granulate provides a size distribution where at least 50% by volume of said granulate consists of granulate particles with a size in the range of from 100 to 600 .mu.m. 48. A method according to claim 27, wherein said average particle size is in the range of from 100 to 200 .mu.m. 49. A method according to claim 27, wherein said average particle size is in the range of from 120 to 180 .mu.m. 50. A method according to claim 28, wherein said substance is lactose-.alpha.-monohydrate. 51. A method according to claim 29, wherein said polysaccharide is a potato starch. 52. A method according to claim 30, wherein said tablet is a perorally available tablet that is optionally adapted for buccal and/or sublingual administration. 53. A method according to claim 31, wherein said alcohol is ethanol. 54. A method according to claim 33, wherein the weight ratio between said disaccharide and polysaccharide is from 2:1 to 1:2. 55. A method according to claim 18, wherein the total combined amount of said excipient, diluent and carrier is from 50 to 99 percent by weight of the pharmaceutical composition.