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  • Title: A phase I study to evaluate a human papillomavirus (HPV) type 18 L1 VLP vaccine.
    Author: Ault KA, Giuliano AR, Edwards RP, Tamms G, Kim LL, Smith JF, Jansen KU, Allende M, Taddeo FJ, Skulsky D, Barr E.
    Journal: Vaccine; 2004 Aug 13; 22(23-24):3004-7. PubMed ID: 15297048.
    Abstract:
    Human papillomavirus (HPV) infection can cause genital warts and cervical cancer. HPV types 6 and 11 cause >90% of genital wart cases; HPV16 and 18 cause 70% of cervical cancers. A prophylactic HPV (types 6, 11, 16, 18) L1 virus-like particle (VLP) vaccine may substantially reduce the incidence of these lesions. This report describes the results of a phase I study of the HPV18 component of such a vaccine. Forty women were randomized to receive either HPV18 L1 VLP vaccine or placebo. Anti-HPV18 responses were measured using a competitive radioimmunoassay (cRIA). Tolerability was evaluated using vaccination report cards (VRC). The study showed that the HPV18 L1 VLP vaccine was generally well-tolerated and highly immunogenic. Peak anti-HPV18 geometric mean titers (GMT) in vaccines were 60-fold greater than those observed in women following natural HPV18 infection. Further studies of a multivalent HPV L1 VLP vaccines are warranted.
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