Development of Vaccines Based on Formulations Containing Nonionic Block Copolymers
This chapter focuses on the capacity of vaccine formulations containing synthetic nonionic block polymers to modify or augment immune responses to current vaccines and some vaccines under development. These polymers are surface-active agents that can be formulated alone with antigens or as part of hydrophobic delivery vehicles. In current licensed human vaccines, improvements can be made to increase vaccine immunogenicity so that they can be administered in fewer injections, or so that seroconversion rates can be increased in target populations. Subunit antigen vaccines under development can lack potency, which can be significantly enhanced if formulated with an adjuvant or given in the appropriate delivery system. The capacity to induce a protective immune response can be induced by incorporating immunogens into delivery systems. These delivery systems include molecules and preparations classified as adjuvants, antigen encapsulation strategies, antigen targeting techniques, pulsatile release vehicles, live vectors, and other systems.
KeywordsDiamine Plasmodium Saponin Dipeptide Refrigeration
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