Immunological emulsion adjuvants for polysaccharide vaccines

Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing – Genetically modified micro-organism – cell – or virus

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424 88, 424 89, 514 21, 514885, 514937, A61K 3900

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active

048030708

ABSTRACT:
An immunological adjuvant for polysaccharide vaccines is provided whereby polysaccharide antigens are rendered more immunogenic and thus stimulate more antibody production including an IgG response and immunological memory. The adjuvant is comprised of (1) either (A) an emulsion system containing a metabolizable oil, a low molecular weight polyol and lecithin, or (B) an oil-in-water emulsion system containing a light hydrocarbon non-biodegradable oil or a biodegradable oil, and a detergent; and (2) a refined detoxified endotoxin. The adjuvant can optionally also contain trehalose dimycolate.

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