Active Immunization of HIV-Infected Pregnant Women: A Phase I Study of Safety and Immunogenicity of a rgp120/HIV-1 Vaccine (NOTE: Some Patients Receive Placebo)

Summary

PRIMARY: To evaluate the short-term safety of rgp120/HIV-1SF2 vaccine versus MF59 placebo administered to HIV-infected pregnant women. SECONDARY: To evaluate the immunogenicity and long-term safety of rgp120/HIV-1SF2 in HIV-infected pregnant women who received the vaccine during pregnancy only or during pregnancy and postpartum. To evaluate immunogenicity and safety in the infant through 18 months of age following maternal immunization with the vaccine during pregnancy. Active immunization of HIV-infected women during pregnancy may slow the progression of maternal disease, reduce the titer of virus in maternal plasma, and increase the titer of epitope-specific antibody. Also, active immunization has the potential to induce primary immunity in the fetus and to boost both T-cell and humoral immune responses to HIV in the mothers.

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