Comparison of Hepatitis B Virus Infection in HIV-Infected and HIV-Uninfected Participants Enrolled in a Multinational Clinical Trial: HPTN 052

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Objective:Data comparing hepatitis B virus (HBV) infection in HIV-infected [HIV(+)], and HIV-uninfected [HIV(−)] individuals recruited into the same study are limited. HBV infection status and chronic hepatitis B (cHB) were characterized in a multinational clinical trial: HIV Prevention Trials Network (HPTN 052).Method:HBV infection status at enrollment was compared between HIV(+) (N = 1241) and HIV(−) (N = 1232) from 7 HBV-endemic countries. Hepatitis B e antigen and plasma HBV DNA were determined in cHB. Median CD4, median plasma HIV RNA, and prevalence of transaminase elevation were compared in HIV(+) with and without cHB. Significance was assessed with χ2, Fisher exact, and median tests.Results:Among all participants, 33.6% had HBV exposure without cHB (8.9% isolated HBV core antibody, “HBcAb”; 24.7% HBcAb and anti-HB surface antibody positive, “recovered”), 4.3% had cHB, 8.9% were vaccinated, and 53.5% were uninfected. Data were similar among HIV(+) and HIV(−) except for isolated HBcAb, which was more prevalent in HIV(+) than HIV(−) [10.1% vs. 7.7%, P = 0.046]. Median HBV DNA trended higher in HIV(+) than in HIV(−). In HIV(+) with cHB versus those without cHB, transaminase elevations were more prevalent (alanine aminotransferase ≤ grade 2, 12% vs. 5.2%, P = 0.037; aspartate aminotransferase ≤ grade 2, 26% vs. 6.0%, P < 0.001), CD4 trended lower, and HIV RNA was similar.Conclusions:HBV infection status did not differ by HIV infection status. HIV co-infection was associated with isolated HBcAb and a trend of increased HBV DNA. In HIV, cHB was associated with mild transaminase elevations and a trend toward lower CD4.

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