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HPV antibody levels and clinical efficacy following administration of a prophylactic quadrivalent HPV vaccine

  • Elmar A. Joura
  • , Susanne K. Kjaer
  • , Cosette M. Wheeler
  • , Kristján Sigurdsson
  • , Ole Erik Iversen
  • , Mauricio Hernandez-Avila
  • , Gonzalo Perez
  • , Darron R. Brown
  • , Laura A. Koutsky
  • , Eng Hseon Tay
  • , Patricia García
  • , Kevin A. Ault
  • , Suzanne M. Garland
  • , Sepp Leodolter
  • , Sven Eric Olsson
  • , Grace W.K. Tang
  • , Daron G. Ferris
  • , Jorma Paavonen
  • , Matti Lehtinen
  • , Marc Steben
  • Xavier Bosch, Joakim Dillner, Robert J. Kurman, Slawomir Majewski, Nubia Muñoz, Evan R. Myers, Luisa L. Villa, Frank J. Taddeo, Christine Roberts, Amha Tadesse, Janine Bryan, Lisa C. Lupinacci, Katherine E.D. Giacoletti, Shuang Lu, Scott Vuocolo, Teresa M. Hesley, Richard M. Haupt, Eliav Barr
  • Medical University of Vienna
  • Rigshospitalet
  • University of New Mexico School of Medicine
  • National Cancer Detection Clinic
  • University of Bergen
  • National Institute of Public Health
  • Universidad del Rosario
  • Indiana University School of Medicine
  • School of Public Health
  • KK Women's And Children's Hospital
  • Emory University School of Medicine
  • Royal Women's Hospital, Carlton
  • Danderyd Hospital
  • University of Hong Kong
  • Medical College of Georgia
  • Helsinki University Hospital
  • University of Tampere
  • Institut National de Santé Publique du Québec
  • IDIBELL
  • Lund University
  • Johns Hopkins University School of Medicine
  • Medical University of Warsaw
  • National Institute of Cancer
  • Duke University Medical Center
  • Ludwig Institute for Cancer Research Sao Paulo
  • Inc.

Research output: Contribution to journalArticlepeer-review

177 Scopus citations

Abstract

The efficacy of the quadrivalent Human Papillomavirus (HPV) vaccine is thought to be mediated by humoral immunity. We evaluated the correlation between quadrivalent HPV vaccine-induced serum anti-HPV responses and efficacy. 17,622 women were vaccinated at day 1, and months 2 and 6. At day 1 and at 6-12 months intervals for up to 48 months, subjects underwent Papanicolaou and genital HPV testing. No immune correlate of protection could be found due to low number of cases. Although 40% of vaccine subjects were anti-HPV 18 seronegative at end-of-study, efficacy against HPV 18-related disease remained high (98.4%; 95% CI: 90.5-100.0) despite high attack rates in the placebo group. These results suggest vaccine-induced protection via immune memory, or lower than detectable HPV 18 antibody titers.

Original languageEnglish
Pages (from-to)6844-6851
Number of pages8
JournalVaccine
Volume26
Issue number52
DOIs
StatePublished - 9 Dec 2008

Keywords

  • Human Papillomavirus
  • Humoral immunity
  • Immune memory

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