passive immunization of newborn rhesus macaques prevents oral simian immunodeficiency virus infection.

NLM AIDSLINE Passive immunization of newborn rhesus macaques prevents oral simian immunodeficiency virus infection. Van Rompay KK; Berardi CJ; Dillard-Telm S; Tarara RP; Canfield DR;
August 30, 1998

J Infect Dis. 1998 May;177(5):1247-59. Unique Identifier : AIDSLINE To determine if passively acquired antiviral antibodies modulate virus transmission and disease progression in human pediatric AIDS, the potential of pre- and postexposure passive immunization with hyperimmune serum to prevent oral simian immunodeficiency virus (SIV) infection or disease progression in newborn rhesus macaques was tested. Untreated neonates became infected after oral SIV inoculation and had high viremia, and most animals developed fatal AIDS within 3 months. In contrast, SIV hyperimmune serum given subcutaneously prior to oral SIV inoculation protected 6 newborns against infection. When this SIV hyperimmune serum was given to 3 newborns 3 weeks after oral SIV inoculation, viremia was not reduced, and all 3 infants died within 3 months of age due to AIDS and immune-complex disease. These results suggest that passively acquired antihuman immunodeficiency virus (HIV) IgG may decrease perinatal HIV transmission. However, anti-HIV IgG may not impart therapeutic benefit to infants with established HIV infection. Antibodies, Viral/BLOOD IgA/BLOOD IgG/BLOOD Immunization, Passive Simian Acquired Immunodeficiency Syndrome/IMMUNOLOGY SIV

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Information in this article was accurate in August 30, 1998. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.