Diminished response to recombinant hepatitis B vaccine in homosexual men with HIV antibody: An indicator of poor prognosis

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Abstract
Three doses of a recombinant DNA HBV vaccine (MSD) were given to healthy male homosexuals. Seventy-eight out of 104 (77.6%) participants had detectable antibody (anti-HBs) two months after the third dose. Seroconversion occurred in only 9 out of 27 subjects (33.3%) who were anti-HIV positive compared with 69 out of 77 (89.6%) who were negative (χ2 = 30.8; P < .001). Fifteen of the 18 anti-HIV positive who did not mount an antibody response to the hepatitis B vaccine (anti-HBs) later progressed to persistent generalised lymphadenopathy syndrome (5), AIDS-related complex (5), and AIDS (5). Only one of the nine anti-HIV positive anti-HBs responders developed PGL (χ2 = 10.14; P < .005). Our results show that anti-HIV positive homosexuals are poor responders to the recombinant hepatitis B vaccine and anti-HIV positive non-responders are more likely to develop clinically apparent HIV infection.