Neisseria meningitidis compositions and methods thereof
In one aspect, the disclosure relates to a composition including a factor H binding protein (fHBP) and a Neisseria meningitidis non-serogroup B capsular polysaccharide, and methods of use thereof. The disclosure further relates to uses of a composition that includes fHBP, such as, for example, uses to elicit an immune response against N. meningitidis serogroup B strains and non-serogroup B strains. The compositions and methods described herein are directed to administration in humans, including adults, adolescents, toddlers, and infants.
1. A method of inducing an immune response against Neisseria meningitidis in a human subject aged between 10 to 26 years old, the method comprising administering to the human subject an effective amount of an immunogenic composition comprising a) a licensed bivalent liquid composition comprising a first purified polypeptide comprising the amino acid sequence set forth in SEQ ID NO: 1; and a second purified polypeptide comprising the amino acid sequence set forth in SEQ ID NO: 2; and b) a lyophilized quadrivalent conjugate composition comprising:
(i) a purified Neisseria meningitidis serogroup A capsular polysaccharide (MenA) individually conjugated to an adipic acid dihydrazide (ADH) linker by 1-cyano-4-dimethylamino pyridinium tetrafluoroborate, wherein the linker is conjugated to tetanus toxoid (TT) by carbodiimide chemistry;
(ii) a purified Neisseria meningitidis serogroup C capsular polysaccharide (MenC) individually conjugated to an ADH linker by 1-cyano-4-dimethylamino pyridinium tetrafluoroborate, wherein the linker is conjugated to tetanus toxoid (TT) by carbodiimide chemistry;
(iii) a purified Neisseria meningitidis serogroup W capsular polysaccharide (MenW) individually conjugated directly to tetanus toxoid (TT) by 1-cyano-4-dimethylamino pyridinium tetrafluoroborate, in the absence of a linker; and
(iv) a purified Neisseria meningitidis serogroup Y capsular polysaccharide (MenY) individually conjugated directly to tetanus toxoid (TT) by 1-cyano-4-dimethylamino pyridinium tetrafluoroborate, in the absence of a linker,
wherein the composition induces an immune response to N. meningitidis serogroups A, B, C, W-135 and Y;
wherein the lyophilized conjugate composition is reconstituted with the bivalent liquid composition; and
wherein the immune response comprises a titer of serum bactericidal antibodies that is higher than that induced by a composition selected from any one of (a) a licensed quadrivalent conjugate vaccine comprising conjugates of capsular oligosaccharides of N. meningitidis serogroups A, C, W-135 and Y, wherein the capsular oligosaccharides of N. meningitidis serogroups A, C, W-135 and Y are conjugated to CRM197, wherein the licensed conjugate vaccine does not comprise a N. meningitidis polypeptide; and (b) a licensed bivalent vaccine composition comprising a serogroup B N. meningitidis polypeptide comprising SEQ ID NO: 1 and a serogroup B N. meningitidis polypeptide comprising SEQ ID NO: 2 which does not comprise capsular polysaccharide conjugates of N. meningitidis serogroups A, C, W-135 and Y;
wherein the human subject is naive to vaccination with N. meningitidis serogroups A, C, W-135 and Y capsular polysaccharides; and
wherein the immunogenic composition is administered to the human subject in a first dose and a second dose, wherein the second dose is administered to the subject about 6 months after the first dose.
2. The method of claim 1 , wherein the aluminum is aluminum hydroxide.
3. The method of claim 1 , wherein the aluminum is aluminum phosphate.
4. The method of claim 1 , wherein between 90% and 100% of the amount of the first polypeptide is bound to the aluminum in the composition for 24 hours.
5. The method of claim 1 , wherein between 90% and 100% of the amount of the second polypeptide is bound to the aluminum in the composition for 24 hours.
6. The method of claim 1 , wherein the immunogenic composition further comprises polysorbate 80.
7. The method of claim 1 , wherein the immunogenic composition further comprises Tris-HCI, sodium chloride, sucrose, histidine, polysorbate 80, and water; and wherein the aluminum is aluminum phosphate.
8. The method of claim 1 , wherein the method comprises administering no more than the first dose and the second dose of the immunogenic composition.
9. The method of claim 1 , wherein the serum bactericidal antibodies are against a serogroup B Neisseria meningitidis strain expressing A22 fHBP polypeptide.
10. The method of claim 1 , wherein the serum bactericidal antibodies are against a serogroup B Neisseria meningitidis strain expressing A56 fHBP polypeptide.
11. The method of claim 1 , wherein the serum bactericidal antibodies are against a serogroup B Neisseria meningitidis strain expressing B24 fHBP polypeptide.
12. The method of claim 1 , wherein the serum bactericidal antibodies are against a serogroup B Neisseria meningitidis strain expressing B44 fHBP polypeptide.
13. The method of claim 1 , wherein the serum bactericidal antibodies are against any one of serogroup B Neisseria meningitidis A22, A56, B24 and B44 strains, or any combination thereof.