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Details for Patent: 6,991,800

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Details for Patent: 6,991,800

Title:Antifungal parenteral products
Abstract: Parenteral pharmaceutical formulations containing an echinocandin antifungal compound and an aqueous solvent are provided, wherein the formulation includes ethanol, for example about 20% w/v ethanol. The parenteral pharmaceutical formulation may further include one or more additives, such as a stabilizing agent, buffer or tonicity agent. The parenteral pharmaceutical formulations are useful in extending the shelf life and improving the solubility of the echinocandin antifungal compound.
Inventor(s): Stogniew; Martin (Blue Bell, PA)
Assignee: Vicuron Pharmaceuticals Inc. (Fremont, CA)
Filing Date:Jun 13, 2002
Application Number:10/172,678
Claims:1. A kit for use in delivery of a pharmaceutically acceptable liquid parenteral pharmaceutical formulation, the kit comprising: a first vial containing a pharmaceutically acceptable solid formulation comprising 20 to 200 mg anidulafungin, wherein the solid formulation does not dissolve completely in water; and a second vial comprising a pharmaceutically acceptable aqueous solution of about 10 to 60 mL of an aqueous solution of about 10 to 30% w/v ethanol.

2. A kit for use in delivery of a pharmaceutically acceptable liquid parenteral pharmaceutical formulation, the kit comprising: a first vial containing a pharmaceutically acceptable solid formulation comprising 20 to 200 mg anidulafungin, wherein the solid formulation does not dissolve completely in water; and a second vial comprising a pharmaceutically acceptable aqueous solution, wherein the aqueous solution comprises about 10% to about 40% w/v ethanol.

3. The kit of claim 2, wherein the solution in the second vial comprises polyethylene glycol or polypropylene glycol.

4. The kit of claim 3, wherein the solution in the second vial comprises 2 20% w/v polyethylene glycol or propylene glycol.

5. The kit of claim 2, wherein the first vial further comprises polyethylene glycol or polypropylene glycol.

6. The kit of claim 5, wherein the first vial further comprises 2 20% w/v polyethylene glycol or propylene glycol.

7. A kit for use in delivery of a pharmaceutically acceptable parenteral pharmaceutical formulation, the kit comprising: a first vial containing a pharmaceutically acceptable solid formulation comprising anidulafungin, wherein the solid formulation does not dissolve completely in water; and a second vial comprising a pharmaceutically acceptable aqueous solution comprising an aqueous solvent comprising from about 10 to about 30% w/v ethanol.

8. The kit of claim 7, wherein the first vial contains a solid formulation comprising 25 to 200 mg of anidulafungin and the second vial contains 10 to 60 milliliters of aqueous solution comprising about 10 to 30% w/v ethanol.

9. The kit of claim 7, wherein the solid formulation is characterized by dissolving more rapidly in an aqueous solvent comprising from about 10% w/v to about 30% w/v ethanol than in water.

10. The kit of claim 7, wherein the first vial further comprises an additive selected from the group consisting of polyethylene glycol, propylene glycol, a stabilizing agent, a buffer, a tonicity agent and an antioxidant.

11. The kit of claim 7, wherein the second vial further comprises an additive selected from the group consisting of polyethylene glycol, propylene glycol, a stabilizing agent, a buffer, a tonicity agent and an antioxidant.

12. The kit of claim 7, wherein the first vial contains a solid formulation comprising 20 to 200 mg of anidulafungin and the second vial contains 10 to 60 milliliters of aqueous solution comprising about 10 to 30% w/v ethanol.

13. The kit of claim 12, wherein the first vial contains a solid formulation comprising a dosage unit of anidulafungin of about 50 mg or about 100 mg.

14. The kit of claim 7, wherein the solid formulation dissolves in the solution in less than about 400 seconds.

15. The kit of claim 7, wherein the solid formulation dissolves in the solution in less than about 200 seconds.

16. The kit of claim 7, wherein the solid formulation is further characterized in that upon reconstitution of a sample of about 35 mg of the solid formulation in 10 ml of aqueous solvent comprising from about 10% w/v to about 30% w/v ethanol, a reconstituted formulation so formed is visibly clear and has less than 400 10 .mu.m particles.

17. The kit of claim 7, wherein the aqueous solvent in the second vial is water or saline.

18. The kit of claim 7, wherein the aqueous solution includes about 20% w/v ethanol.

19. The kit of claim 7, wherein the first vial further comprises about 10% to about 50% w/v of at least one of propylene glycol and polyethylene glycol.

20. The kit of claim 7, wherein the second vial further comprises about 10% to about 50% w/v of at least one of propylene glycol and polyethylene glycol.

21. The kit of claim 7, wherein the first vial further comprises a stabilizing agent.

22. The kit of claim 21, wherein the stabilizing agent is selected from the group consisting of mannitol, histidine, lysine, glycine, sucrose, fructose, trehalose, lactose and mixtures thereof.

23. The kit of claim 7, wherein the second vial further comprises a stabilizing agent.

24. The kit of claim 23, wherein the stabilizing agent is selected from the group consisting of mannitol, histidine, lysine, glycine, sucrose, fructose, trehalose, lactose and mixtures thereof.

25. The kit of claim 7, wherein the first vial further comprises a bulking agent.

26. The kit of claim 25, wherein the bulking agent is selected from the group consisting of mannitol, glycine, lactose, sucrose, trehalose, dextran, hydroxyethyl starch, ficoll and gelatin.

27. The kit of claim 7, wherein the first vial further comprises a solubilizing agent.

28. The kit of claim 27, wherein the solubilizing agent is a polysorbate.

29. The kit of claim 28, wherein the solubilizing agent is polysorbate 80.

30. The kit of claim 7, wherein the second vial further comprises a solubilizing agent.

31. The kit of claim 30, wherein the solubilizing agent is a polysorbate.

32. The kit of claim 31, wherein the solubilizing agent is polysorbate 80.

33. The kit of claim 7, wherein the first vial further comprises a buffer.

34. The kit of claim 33, wherein the buffer is selected from the group consisting of acetates, citrates, tartrates, lactates, succinates, and phosphates.

35. The kit of claim 7, wherein the second vial further comprises a buffer.

36. The kit of claim 35, wherein the buffer is selected from the group consisting of acetates, citrates, tartrates, lactates, succinates, and phosphates.

37. The kit of claim 7, wherein the first vial further comprises a tonicity agent.

38. The kit of claim 37, wherein the tonicity agent is selected from the group consisting of glycerin, lactose, mannitol, dextrose, sodium chloride, sodium sulfate and sorbitol.

39. The kit of claim 7, wherein the second vial further comprises a tonicity agent.

40. The kit of claim 39, wherein the tonicity agent is selected from the group consisting of glycerin, lactose, mannitol, dextrose, sodium chloride, sodium sulfate and sorbitol.

41. The kit of claim 7, wherein the first vial further comprises an antioxidant.

42. The kit of claim 41, wherein the antioxidant is selected from the group consisting of acetone sodium bisulfite, bisulfite sodium, butylated hydroxy anisole, butylated hydroxy toluene, cysteine, cysteinate HCl, dithionite sodium, gentisic acid, gentisic acid ethanolamine, glutamate monosodium, formaldehyde sulfoxylate sodium, metabisulfite potassium, metabisulfite sodium, monothioglycerol, propyl gallate, sulfite sodium, thioglycolate sodium, and ascorbic acid.

43. The kit of claim 7, wherein the second vial further comprises an antioxidant.

44. The kit of claim 43, wherein the antioxidant is selected from the group consisting of acetone sodium bisulfite, bisulfite sodium, butylated hydroxy anisole, butylated hydroxy toluene, cysteine, cysteinate HCl, dithionite sodium, gentisic acid, gentisic acid ethanolamine, glutamate monosodium, formaldehyde sulfoxylate sodium, metabisulfite potassium, metabisulfite sodium, monothioglycerol, propyl gallate, sulfite sodium, thioglycolate sodium, and ascorbic acid.

45. The kit of claim 7, wherein the first vial comprises: anidulafungin, a stabilizing agent, a bulking agent, a solubilizing agent, and a buffer.

46. The kit of claim 45, wherein the first vial contains a solid formulation comprising 20 to 200 mg of anidulafungin and the second vial contains 10 to 60 milliliters of aqueous solution comprising about 10 to 30% w/v ethanol.

47. The kit of claim 7, wherein the first vial comprises: anidulafungin, fructose, mannitol, polysorbate 80, and tartaric acid.

48. The kit of claim 47, wherein the first vial contains a solid formulation comprising 25 to 200 mg of anidulafungin and the second vial contains 10 to 60 milliliters of aqueous solution comprising about 10 to 30% w/v ethanol.
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