Claims for Patent: 8,232,327

Summary for Patent: 8,232,327

Title:	Tetra calcium phosphate based organophosphorus compositions and methods
Abstract:	Compositions and methods of their use to adhere a variety of materials together are disclosed herein. The compositions include at least tetra calcium phosphate, an effective amount of a compound that is structurally similar to phosphoserine, and can be mixed with an aqueous solution. The compositions provide adhesive and cohesive strength in both wet and dry environments and exhibit significant bond strength upon curing.
Inventor(s):	Garigapati; Venkat R. (Southborough, MA), Hess; Brian J. (Charlestown, MA), Ahola; Jon (Walpole, MA)
Assignee:	Howmedia Osteonics Corp (Mahwah, NJ)
Application Number:	12/616,900
Patent Claims:	1. An adhesive composition comprising; a mixture of; tetra calcium phosphate, wherein the tetra calcium phosphate is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and a compound; and the compound of the formula; ##STR00010## where A is O, CH.sub.2, or S; R is H, NH.sub.2, NHCO(CH.sub.2).sub.tCH.sub.3 where t is 0 to 2, NH(CH.sub.2).sub.xCH.sub.3 where x is 0 to 3, NR1R2 where R1 is (CH.sub.2).sub.yCH.sub.3 and R2 is (CH.sub.2).sub.yCH.sub.3 where y is 0 to 2, (CH.sub.2).sub.zCH.sub.3 where z is 0 to 3, where m is 0 to 1, and where n is 0 to 3 and wherein the compound is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and the compound, and an aqueous medium; wherein the composition has an adhesive strength upon curing of greater than 250 kPa. 2. The composition of claim 1 wherein the compound is present in an amount from about 15 to about 50% by weight based on the combined weight of the tetra calcium phosphate and the compound. 3. The composition of claim 2 wherein the compound is present in an amount of about 20% to about 40% by weight based on the combined weight of the of the tetra calcium phosphate and the compound. 4. The composition of claim 1 wherein the compound is selected from the group consisting of phosphoserine, carboxy ethyl phosphonate, phoshonoacetic acid, and mixtures thereof. 5. The composition of claim 1 wherein R is H, or NH.sub.2. 6. The composition of claim 1 wherein the compound is phosphoserine. 7. The composition of claim 1 wherein the tetra calcium phosphate has a mean particle size of less than 1000 microns. 8. The composition of claim 1 wherein the aqueous medium is water. 9. The composition of claim 1 wherein the aqueous medium is a blood based product. 10. The composition of claim 1 that further includes an additive. 11. The composition of claim 10 wherein the additive is selected from the group consisting of alpha tri-calcium phosphate, beta tri-calcium phosphate, calcium sulfate, calcium silicate, calcium carbonate, sodium bicarbonate, sodium chloride, potassium chloride, glycerol phosphate disodium, amino acids, polyols, trehaelose, lactose, sucrose, silk, keratin, autologous bone powder or chips, demineralized bone powder, demineralized bone chips, collagen, biodegradable polymers, bone morphogenetic protein 7, stem cells, parathyroid hormone, bisphosphonates, and mixtures thereof. 12. The composition of claim 10 wherein the additive is a pore former. 13. The composition of claim 10 wherein the additive enhances resorption. 14. The composition of claim 10 wherein the additive is a strength modifier. 15. The composition of claim 10 wherein the additive promotes bone healing. 16. The composition of claim 10 wherein the additive is a contrast agent. 17. The composition of claim 1 wherein the composition has a tacky state for up to 12 minutes, after mixing with the aqueous medium. 18. The composition of claim 17 wherein the composition during the tacky state has a separation strength in the range of about 10 kPa to about 250 kPa after mixing with the aqueous medium. 19. The composition of claim 1 wherein the composition has a putty state for up to 15 minutes after mixing with the aqueous medium. 20. an adhesive composition comprising: tetra calcium phosphate, wherein the tetra calcium phosphate is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and a compound; and the compound of the formula ##STR00011## where A is O, CH.sub.2, or S; R is H, NH.sub.2, NHCO(CH.sub.2).sub.tCH.sub.3 where t is 0 to 2, NH(CH.sub.2).sub.xCH.sub.3 where x is 0 to 3, NR1R2 where R1 is (CH.sub.2).sub.yCH.sub.3 and R2 is (CH.sub.2).sub.yCH.sub.3 where y is 0 to 2, (CH.sub.2).sub.zCH.sub.3 where z is 0 to 3, where m is 0 to 1, and where n is 0 to 3 and wherein the compound is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and the compound; wherein the composition when mixed with an aqueous medium has an adhesive strength upon curing of greater than 250 kPa. 21. The composition of claim 20 wherein the compound is present in an amount from about 15% to about 50% by weight based on the combined weight of the of the tetra calcium phosphate and the compound. 22. The composition of claim 20 wherein the compound is present in an amount of about 20% to about 40% by weight based on the combined weight of the of the tetra calcium phosphate and the compound. 23. The composition of claim 20 wherein the compound is selected from the group consisting of phosphoserine, carboxy ethyl phosphonate, phoshonoacetic acid, and mixtures thereof. 24. The calcium phosphate composition of claim 20 wherein R is H, or NH.sub.2. 25. The composition of claim 20 wherein the compound is phosphoserine. 26. The composition of claim 20 wherein the tetra calcium phosphate has a mean particle size of less than 1000 microns. 27. The composition of claim 20 wherein the composition further includes an additive. 28. The composition of claim 27 wherein the additive is selected from the group consisting of alpha tri-calcium phosphate, beta tri-calcium phosphate, calcium sulfate, calcium silicate, calcium carbonate, sodium bicarbonate, sodium chloride, potassium chloride, glycerol phosphate disodium, amino acids, polyols, trehaelose, lactose, sucrose, silk, keratin, autologous bone powder or chips, demineralized bone powder, demineralized bone chips, collagen, biodegradable polymers, bone morphogenetic protein 7, stem cells, parathyroid hormone, bisphosphonates, and mixtures thereof. 29. The composition of claim 27 wherein the as additive is a pore former. 30. The composition of claim 27 wherein the additive enhances resorption. 31. The composition of claim 27 wherein the additive is a strength modifier. 32. The composition of claim 27 wherein the additive promotes bone healing. 33. The composition of claim 27 wherein the additive is a contrast agent. 34. A kit for forming an adhesive calcium phosphate bone restorative product comprising: a composition comprising an effective amount of tetra calcium phosphate and a compound of the formula ##STR00012## where A is O, CH.sub.2, or S; R is H, NH.sub.2, NHCO(CH.sub.2).sub.tCH.sub.3 where t is 0 to 2, NH(CH.sub.2).sub.xCH.sub.3 where x is 0 to 3, NR1R2 where R1 is (CH.sub.2).sub.yCH.sub.3 and R2 is (CH.sub.2).sub.yCH.sub.3 where y is 0 to 2, (CH.sub.2).sub.zCH.sub.3 where z is 0 to 3, where m is 0 to 1, and where n is 0 to 3 and wherein the compound is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and the compound contained within a first container, and wherein the tetra calcium phosphate is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and a compound; and an aqueous medium contained within a second container; wherein the composition has an adhesive strength upon curing greater than 250 kPa. 35. The kit of claim 34 further including a delivery device that mixes the contents of the first and second containers. 36. The kit of claim 34 wherein the compound is present in an amount from about 15% to about 50% by weight based on the combined weight of the of the tetra calcium phosphate and the compound. 37. The kit of claim 34 wherein the compound is present in an amount of about 20% to about 40% by weight based on the combined weight of the of the tetra calcium phosphate and the compound. 38. The kit of claim 34 wherein the compound is selected from the group consisting of phosphoserine, carboxy ethyl phosphonate, phoshonoacetic acid, and mixtures thereof. 39. The kit of claim 34 wherein R is H, or NH.sub.2. 40. The kit of claim 34 wherein the compound is phosphoserine. 41. The kit of claim 34 wherein the tetra calcium phosphate has a mean particle size of less than 1000 microns. 42. The kit of claim 34 wherein the aqueous medium is a blood based product. 43. The kit of claim 34 wherein the aqueous medium is water. 44. The kit of claim 34 wherein the composition further includes an additive. 45. The kit of claim 44 wherein the additive is selected from the group consisting of alpha tri-calcium phosphate, beta tri-calcium phosphate, calcium sulfate, calcium silicate, calcium carbonate, sodium bicarbonate, sodium chloride, potassium chloride, glycerol phosphate disodium, amino acids, polyols, trehaelose, lactose, sucrose, silk, keratin, autologous bone powder or chips, demineralized bone powder, demineralized bone chips, collagen, biodegradable polymers, bone morphogenetic protein 7, stem cells, parathyroid hormone, bisphosphonates, and mixtures thereof. 46. The kit of claim 44 wherein the as additive is a pore former. 47. The kit of claim 44 wherein the additive enhances resorption. 48. The kit of claim 44 wherein the additive is a strength modifier. 49. The kit of claim 44 wherein the additive promotes bone healing. 50. The kit of claim 44 wherein the additive is a contrast agent. 51. an adhesive composition that comprises an effective amount of tetra calcium phosphate, wherein the tetra calcium phosphate is present in an amount from about 10% to about 90% by weight based on the combined weight of the tetra calcium phosphate and a compound, and a compound of the formula ##STR00013## where A is O, CH.sub.2, or S; R is H, NH.sub.2, NHCO(CH.sub.2).sub.tCH.sub.3 where t is 0 to 2, NH(CH.sub.2).sub.xCH.sub.3 where x is 0 to 3, NR1R2 where R1 is (CH.sub.2).sub.yCH.sub.3 and R2 is (CH.sub.2).sub.yCH.sub.3 where y is 0 to 2, (CH.sub.2).sub.zCH.sub.3 where z is 0 to 3, where m is 0 to 1, and where n is 0 to 3 and an aqueous medium wherein the composition has a tacky state for up to 12 minutes after the composition is mixed with the aqueous medium, has a separation strength in the range of about 10 kPa to about 250 kPa during the tacky state, has a putty state for up to 15 minutes after the composition is mixed with the aqueous medium, and an adhesive strength upon curing of greater than 250 kPa. 52. The composition of claim 51 wherein the adhesive strength is for bone to a non-bone material. 53. The composition of claim 51 wherein the adhesive strength is for hone to bone. 54. The composition of claim 51 wherein the adhesive strength is for non-bone material to non-bone material. 55. The composition of claim 51 wherein the tacky state is for up to about 4 minutes and has a separation strength in the range of about 50 kPa to about 150 kPa. 56. The composition of claim 51 wherein the putty state is for up to about 8 minutes. 57. The composition of claim 51 wherein the composition is resorbable by the body. 58. The composition of claim 51 wherein the compound is selected from the group consisting of phosphoserine, carboxy ethyl phosphonate, phoshonoacetic acid, and mixtures thereof. 59. The calcium phosphate composition of claim 51 wherein R is H, or NH.sub.2. 60. The composition of claim 51 wherein the compound is phosphoserine. 61. The composition of claim 51 wherein the tetra calcium phosphate has a mean particle size of less than 1000 microns. 62. The composition of claim 51 wherein the composition further includes an additive. 63. The composition of claim 1 wherein the aqueous medium is present in an amount from about 14% to about 19% by weight of the total composition. 64. The composition of claim 1 wherein the composition has a tacky state for up to 4 minutes after mixing with the aqueous medium. 65. The composition of claim 1 wherein the composition has a tacky state for up to 2 minutes after mixing with the aqueous medium. 66. The composition of claim 1 wherein the composition has a putty state for up to 8 minutes after mixing with the aqueous medium. 67. The composition of claim 1 wherein the composition has a putty state for up to 5 minutes after mixing with the aqueous medium. 68. The composition of claim 1 wherein the composition has a working time for up to 8 minutes. 69. The composition of claim 17 wherein the composition during the tacky state has a separation strength in the range of about 50 kPa to about 150 kPa after mixing with the aqueous medium. 70. The composition of claim 20 wherein the composition has a working time for up to 8 minutes. 71. The composition of claim 34 wherein the aqueous medium provided is in an amount from about 14% to about 19% by weight of the total composition. 72. The composition of claim 34 wherein the composition has a working time for up to 8 minutes. 73. The composition of claim 51 wherein the aqueous medium is present in an amount from about 14% to about 19% by weight of the total composition. 74. The composition of claim 51 wherein the composition has a tacky state for up to 4 minutes after mixing with the aqueous medium. 75. The composition of claim 51 wherein the composition has a working time for up to 8 minutes.

Details for Patent 8,232,327

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Nps Pharmaceuticals, Inc.	NATPARA	parathyroid hormone	For Injection	125511	01/23/2015		2028-11-12