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Safety and immunogenicity of inactivated, Vero cell culture-derived whole virus influenza A/H5N1 vaccine given alone or with aluminum hydroxide adjuvant in healthy adults.

Abstract
Dosage-sparing strategies, adjuvants and alternative substrates for vaccine production are being explored for influenza vaccine development. We assessed the safety and immunogenicity of a Vero cell culture-grown inactivated whole virus influenza A/H5N1 vaccine with or without aluminum hydroxide adjuvant [Al(OH)(3)] in healthy young adults. Vaccines were well tolerated, but injection site discomfort was more frequent in groups receiving Al(OH)(3). Dose-related increases in serum antibody levels were observed. Neutralizing antibody titers varied significantly when tested by two different laboratories. Al(OH)(3) did not enhance HAI or neutralizing antibody responses, and contributed to increased injection site pain. Because influenza antibody titers vary significantly between different laboratories, international standardization of assays is warranted.
AuthorsWendy A Keitel, Cornelia L Dekker, ChrisAnna Mink, James D Campbell, Kathryn M Edwards, Shital M Patel, Dora Y Ho, Helen K Talbot, Kuo Guo, Diana L Noah, Heather Hill
JournalVaccine (Vaccine) Vol. 27 Issue 47 Pg. 6642-8 (Nov 05 2009) ISSN: 1873-2518 [Electronic] Netherlands
PMID19773098 (Publication Type: Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, N.I.H., Extramural)
Chemical References
  • Adjuvants, Immunologic
  • Antibodies, Viral
  • Influenza Vaccines
  • Aluminum Hydroxide
Topics
  • Adjuvants, Immunologic (administration & dosage, adverse effects)
  • Adolescent
  • Adult
  • Aluminum Hydroxide (administration & dosage, adverse effects)
  • Animals
  • Antibodies, Viral (blood)
  • Chlorocebus aethiops
  • Dose-Response Relationship, Immunologic
  • Double-Blind Method
  • Female
  • Hemagglutination Inhibition Tests
  • Humans
  • Influenza A Virus, H5N1 Subtype (immunology)
  • Influenza Vaccines (administration & dosage, adverse effects, immunology)
  • Influenza, Human (immunology, prevention & control)
  • Male
  • Neutralization Tests (standards)
  • Vero Cells
  • Young Adult

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