Formulations and methods for contemporaneous stabilization of active proteins during spray drying and storage
A method of treatment of plasma with a physiologically compatible spray dry stable acidic substance (SDSAS) prior to or contemporaneously with spray drying of the plasma that results in greater recovery and greater long-term stabilization of the dried plasma proteins as compared to spray dried plasma that has not be subject to the formulation method of the present invention, as well as compositions related to plasma dried by the methods of the present invention.
1. A reconstituted previously dried plasma product for human transfusion made by the method of:
a) combining i) plasma with ii) one or more stable acidic substances, wherein said one or more stable acidic substances is an acid or acidic salt that effectuates a pH and is physiologically suitable for addition to plasma being dried or physiologically suitable for subjects into which reconstituted plasma is transfused, to thereby create a formulated plasma so that the pH of formulated plasma is between about 5.5 and 7.2,
b) drying the formulated plasma to thereby obtain a dried formulated plasma; and
c) reconstituting said dried formulated plasma with sterile water or alkaline solution to thereby obtain a reconstituted dried plasma product for human transfusion.
2. The reconstituted previously dried plasma product of claim 1 , said reconstituted plasma has a pH of about 6.8 to about 7.6.
3. The reconstituted previously dried plasma product of claim 1 , wherein when combining the plasma with the one or more stable acidic substances, said pH of said plasma is adjusted with said one or more stable acidic substance up to 30 minutes before drying.
4. The reconstituted previously dried plasma product of claim 1 , wherein when combining the plasma with the one or more stable acidic substances, said pH of said plasma is adjusted by adding one or more stable acidic substances immediately prior to or contemporaneously with drying.
5. The reconstituted previously dried plasma product of claim 1 , wherein the pH of the plasma is known prior to addition of said one or more stable acidic substances and the amount of said one or more stable acidic substances to be added plasma is determined based on the known pH of said plasma.
6. The reconstituted previously dried plasma product of claim 1 , wherein said plasma comprises CPD (citrate phosphate dextrose solution) plasma or is WB (whole blood) plasma.
7. The reconstituted previously dried plasma product of claim 1 , wherein the one or more stable acidic substances is selected from the group consisting of ascorbic acid, citric acid, gluconic acid, lactic acid, glycine hydrochloride, monosodium citrate, oxalic acid, halogenated acetic acids, arene sulfonic acids, molybdic acid, phosphotungstic acid, tungstic acid, chromic acid, sulfamic acid and any combination thereof.
8. The reconstituted previously dried plasma product of claim 1 , wherein citric acid is added to the plasma to increase citrate concentration by 7.4 mM.
9. The reconstituted previously dried plasma product of claim 8 , wherein von Willebrand factor activity from reconstituted plasma is between about 10 and about 35 percentage points greater than the von Willebrand factor activity obtained from an otherwise identical dried plasma that has not undergone formulation with one or more stable acidic substances.
10. The reconstituted previously dried plasma product of claim 1 , wherein said formulated plasma has a pH of about 5.5 to about 6.5.
11. The reconstituted previously dried plasma product of claim 1 , wherein von Willebrand factor activity from reconstituted plasma is between about 5 and about 40 percentage points greater than the von Willebrand factor activity obtained from an otherwise identical dried plasma that has not undergone formulation with one or more stable acidic substances.
12. The reconstituted previously dried plasma product of claim 1 , wherein said dried formulated plasma is stable at ambient temperature for at least 7 days.
13. The reconstituted previously dried plasma product of claim 1 , further comprising measuring activity of Factors V, VII, VIII and IX or any combination thereof to determine stability of the reconstituted plasma.
14. The reconstituted previously dried plasma product of claim 1 , wherein the reconstituted plasma has a physiological pH.
15. The reconstituted previously dried plasma product of claim 1 , wherein the reconstitution solution comprises a substance selected from the group consisting of: sterile water, sodium bicarbonate, disodium phosphate, and glycine sodium hydroxide.
16. A dried plasma product for human transfusion made by the method of:
a) combining i) plasma with ii) one or more stable acidic substances, wherein said one or more stable acidic substances is an acid or acidic salt that effectuates a pH and is physiologically suitable for addition to plasma being dried or physiologically suitable for subjects into which reconstituted plasma is transfused, to thereby create a formulated plasma so that the pH of formulated plasma is between about 5.5 and 7.2, and
b) drying the formulated plasma to thereby obtain a dried formulated plasma.
17. The dried plasma product of claim 16 , wherein when said formulated plasma is dried and reconstituted to obtain reconstituted plasma, said reconstituted plasma has a pH of about 6.8 to about 7.6.
18. The dried plasma product of claim 16 , wherein when combining the plasma with the one or more stable acidic substances, said pH of said plasma is adjusted with said one or more stable acidic substance up to 30 minutes before drying.
19. The dried plasma product of claim 16 , wherein when combining the plasma with the one or more stable acidic substances, said pH of said plasma is adjusted by adding one or more stable acidic substances immediately prior to or contemporaneously with drying.
20. The dried plasma product of claim 16 , wherein the pH of the plasma is known prior to addition of said one or more stable acidic substances and the amount of said one or more stable acidic substances to be added plasma is determined based on the known pH of said plasma.
21. The dried plasma product of claim 16 , wherein said plasma comprises CPD (citrate phosphate dextrose solution) plasma or is WB (whole blood) plasma.
22. The dried plasma product of claim 16 , wherein the one or more stable acidic substances is selected from the group consisting of ascorbic acid, citric acid, gluconic acid, lactic acid, glycine hydrochloride, monosodium citrate, oxalic acid, halogenated acetic acids, arene sulfonic acids, molybdic acid, phosphotungstic acid, tungstic acid, chromic acid, sulfamic acid and any combination thereof.
23. The dried plasma product of claim 16 , wherein citric acid is added to the plasma to increase citrate concentration by 7.4 mM.
24. The dried plasma product of claim 16 , wherein said formulated plasma has a pH of about 5.5 to about 6.5.
25. The dried plasma product of claim 16 , wherein when the formulated plasma is reconstituted to obtain reconstituted plasma, von Willebrand factor activity from reconstituted plasma is between about 5 and about 40 percentage points greater than the von Willebrand factor activity obtained from an otherwise identical dried plasma that has not undergone formulation with one or more stable acidic substances.
26. The dried plasma product of claim 25 , wherein von Willebrand factor activity from reconstituted plasma is between about 10 and about 35 percentage points greater than the von Willebrand factor activity obtained from an otherwise identical dried plasma that has not undergone formulation with one or more stable acidic substances.
27. The dried plasma product of claim 16 , wherein said dried formulated plasma is stable at ambient temperature for at least 7 days.
28. The dried plasma product of claim 16 , further comprising measuring activity of Factors V, VII, VIII and IX or any combination thereof to determine stability of the reconstituted plasma.
29. A reconstituted previously spray dried plasma product for human transfusion, the reconstituted previously spray dried plasma product having been formulated with one or more spray dry stable acidic substances (SDSAS), wherein said one or more SDSAS is an acid or acidic salt that effectuates a pH and is physiologically suitable for addition to plasma being spray dried or physiologically suitable for subjects into which reconstituted plasma is transfused and having been reconstituted with sterile water, the reconstituted spray dried plasma product having a pH of about 6.8 to about 7.6.
30. A spray dried plasma product for reconstitution and transfusion into a human, the spray dried plasma product having been formulated with one or more spray dry stable acidic substances (SDSAS), wherein said one or more SDSAS is an acid or acidic salt that effectuates a pH and is physiologically suitable for addition to plasma being spray dried or physiologically suitable for subjects, wherein that the pH of formulated plasma is between about 5.5 and 7.2.