Vaccination of vaccinia-naive adults with human immunodeficiency virus type 1 gp160 recombinant vaccinia virus in a blinded, controlled, randomized clinical trial. The AIDS Vaccine Clinical Trials Network.
(Clinical Trial;Journal Article;Multicenter Study)
The safety and immunogenicity of a human immunodeficiency virus type 1 (HIV-1) gp160 recombinant vaccinia virus (HIVAC-1e) vaccine was evaluated in vaccinia-naive, healthy adults at low risk for acquiring HIV-1 infection. Volunteers (n = 36) were randomized to receive HIVAC-1e or control vaccinia virus at two dosages by bifurcated needle puncture at 0 and 2 months; 12 HIVAC-1e and 6 control vaccinia virus recipients received either 10(6) or 10(7) pfu/mL at each inoculation. There was no significant difference in lesion size, level of viral replication, or systemic symptoms after vaccination with HIVAC-1e or control vaccinia virus. Of 22 HIVAC-1e recipients with lesion formation, 16 developed low-titer gp160-specific antibody responses detectable by Western blot. The peak response occurred between days 70 and 120 and was still detectable at day 365 in 9 of 18 vaccinees. gp160-specific lymphoproliferative responses were detected in 5 of 10 vaccinees. Vaccination with HIVAC-1e was safe in vaccinia-naive, healthy adults and could induce both humoral and cell-mediated gp160-specific immune responses.
Graham, BS; Belshe, RB; Clements, ML; Dolin, R; Corey, L; Wright, PF; Gorse, GJ; Midthun, K; Keefer, MC; Roberts, NJ
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