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Phase I/II study of a candidate vaccine designed against the B and E subtypes of HIV-1

  • Punnee Pitisuttithum
  • , Phillip W. Berman
  • , Benjaluck Phonrat
  • , Pravan Suntharasamai
  • , Suwanee Raktham
  • , La Ong Srisuwanvilai
  • , Krit Hirunras
  • , Dwip Kitayaporn
  • , Jaranit Kaewkangwal
  • , Sricharoen Migasena
  • , Haynes W. Sheppard
  • , Elizabeth Li
  • , Marlene Chernow
  • , Michael L. Peterson
  • , Riri Shibata
  • , William L. Heyward
  • , Donald P. Francis
  • VAXGEN
  • Faculty of Tropical Medicine, Mahidol University
  • Bangkok Metropolitan Administration
  • Department of Health Services
  • Novacea, Inc.
  • Gilead Sciences Incorporated

Research output: Contribution to journal › Article › peer-review

64 Citations (Scopus)

Abstract

A phase I/II trial of a candidate vaccine to prevent HIV infection was carried out in Bangkok, Thailand, testing AIDSVAX B/E (VaxGen, Inc., Brisbane, CA), a bivalent subunit vaccine prepared by combining recombinant gp120 from a subtype B virus (HIV-1MN) with gp120 from a subtype E virus (HIV-1A244) in alum adjuvant. The studies provide human data on the immunogenicity of various dose combination of non-subtype B vaccine antigens. The results suggest that AIDSVAX B/E is safe and immunogenic in humans. The optimal dose for humans in developing countries was 300 μg of each antigen (B and E). Clade E responses were measurably increased by immunizing with gp120 B/E over B alone. Using the B/E combination did not interfere with the response to either clade. Antibodies to AIDSVAX B/E were able to bind to oligomeric gp120 on the surface of cells infected with primary isolates of HIV-1.

Original languageEnglish
Pages (from-to)1160-1165
Number of pages6
JournalJournal of Acquired Immune Deficiency Syndromes
Volume37
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 1 Sept 2004

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • AIDS
  • B-E subtypes
  • Bivalent gp120
  • HIV
  • Thailand
  • Vaccines

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