CPC A61K 39/0258 (2013.01) [A61K 31/739 (2013.01); A61K 47/6415 (2017.08); A61K 47/646 (2017.08); A61K 2039/55583 (2013.01); A61K 2039/70 (2013.01)] | 25 Claims |
1. A composition comprising an E. coli O1 antigen polysaccharide covalently linked to a carrier protein, an E. coli O2 antigen polysaccharide covalently linked to a carrier protein, an E. coli O4 antigen polysaccharide covalently linked to a carrier protein, an E. coli O15 antigen polysaccharide covalently linked to a carrier protein, an E. coli O16 antigen polysaccharide covalently linked to a carrier protein, an E. coli O18 antigen polysaccharide covalently linked to a carrier protein, an E. coli O25 antigen polysaccharide covalently linked to a carrier protein, an E. coli O75 antigen polysaccharide covalently linked to a carrier protein and an E. coli O6 antigen polysaccharide covalently linked to a carrier protein, wherein:
(i) the E. coli O1 antigen polysaccharide is O1A antigen polysaccharide comprising the structure of Formula (O1A):
![]() (ii) the E. coli O2 antigen polysaccharide comprises the structure of Formula (O2):
![]() (iii) the E. coli O4 antigen polysaccharide is O4-Glc+ antigen polysaccharide comprising the structure of Formula (O4-Glc+):
![]() (iv) the E. coli O6 antigen polysaccharide is O6A antigen polysaccharide comprising the structure of Formula (O6A):
![]() (v) the E. coli O15 antigen polysaccharide comprises the structure of Formula (O15):
[→2)-β-D-Galp-(1→3)-α-L-FucpNAc-(1→3)-β-D-GlcpNAc-(1→]n,
(vi) the E. coli O16 antigen polysaccharide comprises the structure of Formula (O16):
![]() (vii) the E. coli O18 antigen polysaccharide is O18A antigen polysaccharide comprising the structure of Formula (O18A):
![]() (viii) the E. coli O25 antigen polysaccharide is O25B antigen polysaccharide comprising the structure of Formula (O25B):
![]() and
(ix) the E. coli O75 antigen polysaccharide comprises the structure of Formula (O75):
![]() wherein the weight ratio of the E. coli antigen polysaccharides
O1:O2:O4:O6:O15:O16:O18:O25:O75 is about 1:1:1:1:1:1:1:2:2 and wherein each n is independently an integer of 1 to 100.
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