Phase I clinical trial with a hexavalent PorA containing meningococcal outer membrane vesicle vaccine

C. C A M Peeters, H. C. Rümke, L. C. Sundermann, E. M. Rouppe Van Der Voort, J. Meulenbelt, M. Schuller, A. J. Kuipers, P. Van Der Ley, J. T. Poolman*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

110 Citations (Scopus)

Abstract

A meningococcal outer membrane vesicle (OMV) vaccine was prepared from two production strains designed to express three serosubtype-specific class 1 outer membrane proteins or PorA. The resulting hexavalent PorA OMV vaccine contained the serosubtypes P1.7,16; P1.5,2; P1.19,15; P1.7(h),4; P1.5(c),10; P1.12,13 and were used to immunize adult volunteers. A single immunization with two dosages, 7.5 and 15 μg of the individual PorAs, was studied The vaccine was considered safe for further use. Approximately half of the volunteers demonstrated a fourfold increase in bactericidal antibody activity against six test strains expressing the specific PorAs when given the higher dosage. This bactericidal activity was found to be directed against PorA.

Original languageEnglish
Pages (from-to)1009-1015
Number of pages7
JournalVaccine
Volume14
Issue number10
DOIs
Publication statusPublished - 1 Jul 1996

Keywords

  • Meningococcal vaccine
  • Outer membrane vesicle
  • PorA

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