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Vaccines Against Bacterial Endotoxins

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The Sepsis Text

Conclusion

The use of vaccines that induce antibodies to either highly conserved epitopes in the LPS core or to serotype-specific antigens (O-polysaccharide or CPS) remains a viable strategy for the prevention and/or treatment of sepsis. Unfortunately, despite decades of intensive efforts, there is little data that demonstrates a consistent clinical benefit from this vaccine approach. The potential pitfalls are many: developing a relatively non-toxic, reproducible vaccine that is sufficiently immunogenic that it can induce antibodies in a reasonably rapid period of time and in the target (i.e., immunocompromised or trauma patients) patient populations; in the case of anti-core LPS antibodies, identifying critical epitopes to which the antibodies may bind; demonstrating a mechanism of action that would also permit clinicians to monitor patient risk and/or vaccine efficacy (short of mortality). Even if these concerns are satisfied, the antibodies must be delivered and maintained in sufficient amounts such that there is not consumption of antibody below those levels necessary for successful therapy. This latter consideration has not been given sufficient attention in clinical trials reported to date.

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© 2002 Kluwer Academic Publishers

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Bhattacharjee, A.K., Cross, A.S., Opal, S.M. (2002). Vaccines Against Bacterial Endotoxins. In: Vincent, JL., Carlet, J., Opal, S.M. (eds) The Sepsis Text. Springer, Boston, MA. https://doi.org/10.1007/0-306-47664-9_49

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  • DOI: https://doi.org/10.1007/0-306-47664-9_49

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-0-7923-7620-0

  • Online ISBN: 978-0-306-47664-8

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