Engineered nucleic acids and methods of use thereof
US-9464124-B2 · Oct 11, 2016 · US
US11524023B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11524023-B2 |
| Application number | US-202117508786-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 22, 2021 |
| Priority date | Feb 19, 2021 |
| Publication date | Dec 13, 2022 |
| Grant date | Dec 13, 2022 |
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Provided herein are compositions and methods of reducing adduct formation.
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What is claimed is: 1. A composition comprising a lipid nanoparticle comprising a mRNA, a phospholipid, a cholesterol, a PEG-lipid, and an ionizable lipid, wherein the ionizable lipid comprises a tertiary amine group and can decompose into one or both of a secondary amine and a reactive aldehyde species capable of interacting with the mRNA to form an ionizable lipid-polynucleotide adduct impurity, and wherein less than about 10% of the mRNA is in the form of the ionizable lipid-polynucleotide adduct impurity, as measured by reverse phase ion pair high performance liquid chromatography (RP-IP HPLC). 2. The composition of claim 1 , wherein less than about 5% of the mRNA is in the form of the ionizable lipid-polynucleotide adduct impurity. 3. The composition of claim 1 , wherein less than about 1% of the mRNA is in the form of the ionizable lipid-polynucleotide adduct impurity. 4. The composition of claim 1 , wherein the ionizable lipid is selected from: 5. The composition of claim 4 , wherein an amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 2% per day when stored at a temperature of about 25° C. or below. 6. The composition of claim 4 , wherein an amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 0.5% per day when stored at a temperature of about 5° C. or below. 7. The composition of claim 4 , wherein an amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 0.5% per day when stored at a refrigerated temperature. 8. The composition of claim 7 , wherein the refrigerated temperature is about 5° C. 9. The composition of claim 4 , wherein the composition comprises a buffer selected from the group consisting of sodium phosphate, sodium citrate, sodium succinate, histidine histidine-HCl, sodium malate, sodium carbonate, and Tris (tris(hydroxymethyl)aminomethane). 10. The composition of claim 9 , wherein the composition comprises a cryoprotectant. 11. The composition of claim 10 , wherein the cryoprotectant is selected from the group consisting of mannitol, sucrose, trehalose, lactose, glycerol, dextrose, and combinations thereof. 12. The composition of claim 1 , wherein the ionizable lipid-polynucleotide adduct impurity comprises an aldehyde-mRNA adduct impurity. 13. The composition of claim 1 , wherein an amount of lipid aldehydes in the composition is less than about 50 ppm. 14. A composition comprising a lipid nanoparticle comprising a mRNA, a phospholipid, a cholesterol, a PEG-lipid, and an ionizable lipid comprising a tertiary amine group, wherein less than about 10% of the mRNA is in the form of an ionizable lipid-polynucleotide adduct impurity, as measured by reverse phase ion pair high performance liquid chromatography (RP-IP HPLC), and wherein an amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 0.5% per day over a period of from 2-10 days when stored at a temperature of about 5° C. 15. The composition of claim 14 , wherein less than about 5% of the mRNA is in the form of an ionizable lipid-polynucleotide adduct impurity. 16. The composition of claim 14 , wherein less than about 1% of the mRNA is in the form of an ionizable lipid-polynucleotide adduct impurity. 17. The composition of claim 14 , wherein the ionizable lipid is selected from: 18. The composition of claim 17 , wherein the amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 2% per day when stored at a temperature of about 25° C. or below. 19. The composition of claim 17 , wherein the composition comprises a buffer selected from the group consisting of sodium phosphate, sodium citrate, sodium succinate, histidine histidine-HCl, sodium malate, sodium carbonate, and Tris (tris(hydroxymethyl)aminomethane). 20. The composition of claim 19 , wherein the composition comprises a cryoprotectant. 21. The composition of claim 20 , wherein the cryoprotectant is selected from the group consisting of mannitol, sucrose, trehalose, lactose, glycerol, dextrose, and combinations thereof. 22. The composition of claim 14 , wherein the ionizable lipid-polynucleotide adduct impurity comprises an aldehyde-mRNA adduct impurity. 23. The composition of claim 14 , wherein an amount of lipid aldehydes in the composition is less than about 50 ppm. 24. The composition of claim 21 , wherein the amount of the ionizable lipid-polynucleotide adduct impurity increases at an average rate of less than about 2% per day when stored at a temperature of about 25° C. or below. 25. The composition of claim 4 , wherein the composition comprises a Tris buffer and sucrose. 26. The composition of claim 25 , wherein the composition comprises a molar ratio of 20-60% ionizable lipid, 5-25% phospholipid, 25-55% cholesterol, and 0.5-15% PEG-lipid, based on the lipid components. 27. The composition of claim 17 , wherein the composition comprises a Tris buffer and sucrose. 28. The composition of claim 27 , wherein the composition comprises a molar ratio of 20-60% ionizable lipid, 5-25% phospholipid, 25-55% cholesterol, and 0.5-15% PEG-lipid, based on the lipid components. 29. A composition comprising a lipid nanoparticle comprising a mRNA, a phospholipid, a cholesterol, a PEG-lipid, and an ionizable lipid, wherein the ionizable lipid is selected from and wherein the composition comprises a Tris buffer and sucrose, and wherein less than about 10% of the mRNA is in the form of an ionizable lipid-polynucleotide adduct impurity, as measured by reverse phase ion pair high performance liquid chromatography (RP-IP HPLC).
obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers · CPC title
Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids · CPC title
Organic compounds, e.g. phospholipids, fats · CPC title
Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links · CPC title
the non-active part being polymeric · CPC title
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