Coronavirus vaccine
This disclosure relates to the field of RNA to prevent or treat coronavirus infection. In particular, the present disclosure relates to methods and agents for vaccination against coronavirus infection and inducing effective coronavirus antigen-specific immune responses such as antibody and/or T cell responses.
1. A composition comprising an RNA molecule having:
(a) a nucleotide sequence that is at least 99% identical to SEQ ID NO: 161; or
(b) a nucleotide sequence that is at least 95% identical to SEQ ID NO: 161, and which encodes a SARS-CoV-2 S protein comprising the following substitutions relative to SEQ ID NO: 1: T19I, Δ24-26, A27S, V83A, G142D, Δ145, H146Q, Q183E, V213E, G252V, G339H, R346T, L368I, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, V445P, G446S, N460K, S477N, T478K, E484A, F486P, F490S, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H, N764K, D796Y, Q954H, N969K, K986P, and V987P; and
wherein the RNA molecule comprises:
(i) a 5′ cap; and
(ii) a modified uridine in place of each uridine.
2. The composition of claim 1 , wherein the modified uridine is N1-methyl-pseudouridine.
3. The composition of claim 1 , wherein the 5′ cap comprises m 2 7,3′-O Gppp(m 1 2′-O )ApG.
4. The composition of claim 1 , wherein the RNA molecule has a nucleotide sequence as set forth in SEQ ID NO: 161.
5. The composition of claim 1 , wherein the RNA molecule is encapsulated in a lipid nanoparticle (LNP).
6. The composition of claim 5 , wherein the LNP comprises molar ratios of 20-60% ionizable cationic lipid, 5-25% neutral lipid, 25-55% sterol, and 0.5-15% PEG-modified lipid.
7. The composition of claim 1 , wherein the composition comprises one or more additional RNA molecules, each having a nucleotide sequence encoding an S protein of a SARS-CoV-2 strain or variant that is not XBB.1.5.
8. The composition of claim 7 , wherein the one or more additional RNA molecules comprise a sequence that has at least 95% identical to SEQ ID NO: 20, 72, or 103.
9. A composition comprising an RNA molecule having a nucleotide sequence as set forth in SEQ ID NO: 161, wherein the RNA molecule comprises:
(i) N1-methyl-pseudouridine in place of each uridine; and
(ii) a 5′ cap that comprises m 2 7,3′-O Gppp(m 1 2′-O )ApG;
wherein the RNA molecule is encapsulated in a lipid nanoparticle (LNP); and
wherein the LNP comprises molar ratios of 20-60% ionizable cationic lipid, 5-25% neutral lipid, 25-55% sterol, and 0.5-15% PEG-modified lipid.
10. The composition of claim 9 , comprising about 10 mM Tris buffer and about 10% sucrose.
11. The composition of claim 9 , wherein the composition is formulated as a multi-dose formulation in a vial.
12. A method of inducing an immune response against coronavirus in a subject, comprising administering to a subject the composition of claim 1 .
13. The method of claim 12 , wherein the RNA molecule comprises N1-methyl-pseudouridine in place of each uridine.
14. The method of claim 12 , wherein the 5′ cap comprises m 2 7,3′-O Gppp(m 1 2′-O )ApG.
15. The method of claim 12 , wherein the RNA molecule is encapsulated in an LNP and wherein the LNP comprises molar ratios of 20-60% ionizable cationic lipid, 5-25% neutral lipid, 25-55% sterol, and 0.5-15% PEG-modified lipid.
16. The method of claim 15 , wherein the subject is 12 years or older, and the composition comprises 30 μg of the RNA molecule.
17. The method of claim 15 , wherein the subject is 5 years to less than 12 years old, and the composition comprises 10 μg of the RNA molecule.
18. The method of claim 15 , wherein the subject is 6 months to less than 5 years old, and the composition comprises 3 μg of the RNA molecule.
19. The method of claim 15 , wherein the composition is administered in a volume of about 200 μL to 300 μL.
20. The method of claim 15 , wherein the subject was previously administered one or more doses of a SARS-CoV-2 vaccine.
21. The method of claim 20 , wherein the subject was previously administered a complete dosing regimen of a SARS-CoV-2 vaccine.
22. The method of claim 15 , wherein the subject was previously administered a first dose and a second dose of BNT162b2, wherein the first dose and the second dose were administered about 21 days apart.
23. The method of claim 22 , wherein the subject was previously administered as a booster dose a bivalent vaccine that delivers (i) a SARS-CoV-2 S protein of an Omicron BA.4/5 variant and (ii) a SARS-CoV-2 S protein of a Wuhan strain.
24. The method of claim 15 , further comprising co-administering one or more vaccines against a non-SARS-CoV-2 disease.
25. The method of claim 24 , wherein the one or more vaccines comprise an RSV vaccine, an influenza vaccine, or a combination thereof.
26. A composition comprising at least one unit dose of LNP-encapsulated RNA molecules, wherein the composition comprises:
a population of LNPs encapsulating RNA molecules, wherein:
the LNPs comprise an ionizable cationic lipid, a neutral lipid, a sterol, and a PEG-modified lipid in molar ratios of 20-60%, 5-25%, 25-55%, and 0.5-15%, respectively; and
each LNP in the population encapsulates at least an RNA molecule, wherein the RNA molecule comprises
(a) a nucleotide sequence that is at least 99% identical to SEQ ID NO: 161; or
(b) a nucleotide sequence that is at least 95% identical to SEQ ID NO: 161, and which comprises a nucleotide sequence that encodes a SARS-CoV-2 protein comprising the following substitutions relative to SEQ ID NO: 1: T19I, Δ24-26, A27S, V83A, G142D, Δ145, H146Q, Q183E, V213E, G252V, G339H, R346T, L368I, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, V445P, G446S, N460K, S477N, T478K, E484A, F486P, F490S, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H, N764K, D796Y, Q954H, N969K, K986P, and V987P;
(b) N1-methyl-pseudouridine in place of each uridine; and
(c) a 5′ cap that comprises m 2 7,3′-O Gppp(m 1 2′-O )ApG.
27. The composition of claim 26 , comprising about 10 mM Tris buffer and about 10% sucrose.
28. The composition of claim 26 , wherein the unit dose comprises the RNA molecule in an amount of about 30 μg.
29. The composition of claim 26 , wherein the unit dose comprises the RNA molecule in an amount of about 10 μg.
30. The composition of claim 26 , wherein the unit dose comprises the RNA molecule in an amount of about 3 μg.