Minhee Kang1, Kimberly Hollabaugh, Vinh Pham, Susan L Koletar, Kunling Wu, Marlene Smurzynski, Judith A Aberg. 1. *Center for Biostatistics in AIDS Research, Harvard School of Public Health, Boston, MA; †Department of Medicine, Division of Infectious Diseases, New York University, New York, NY; ‡Division of Infectious Diseases, Ohio State University, Columbus, OH; and §Department of Epidemiology and Biostatistics, George Washington University Milken Institute, School of Public Health, Washington, DC.
Abstract
OBJECTIVES: To characterize HIV/hepatitis B virus (HBV) coinfection in the AIDS Clinical Trials Group Longitudinal Linked Randomized Trials cohort and compare long-term HBV outcomes between regimens with 1 (MONO) or 2 (DUAL) anti-HBV agents. DESIGN: A retrospective study of coinfected AIDS Clinical Trials Group Longitudinal Linked Randomized Trials subjects who received regimens containing anti-HBV agent(s). METHODS: Stored samples at baseline and weeks 16, 32, 48, 144, and 240 were tested for HBV DNA, HBV e antigen (HBeAg), HBV e antibody (HBeAb), and hepatitis D virus (HDV) antibody. Resistance and genotype were tested in samples with HBV DNA >600 IU/mL. MONO versus DUAL analyses were limited to HBV treatment-naive subjects (Naive-MONO, Naive-DUAL). RESULTS: Of 150 study subjects, median age was 40 years, 96% were male; 57% white, 26% black, 13% Hispanic. Baseline median CD4 was 224 cells per cubic millimeter, HIV RNA 4.48 log10 copies/mL, HBV DNA 6.30 log10 IU/mL; 59% HBeAg positive and 65% HBeAb negative; HBV genotypes A = 69%, G = 18%, D = 7%, <2% for A/G, B, C, F, H. Coinfection with HDV was 2%. There were 49 Naive-MONO (lamivudine) and 22 Naive-DUAL (11 lamivudine + tenofovir, 11 emtricitabine + tenofovir) with detectable HBV DNA. In the 240-week follow-up, HBV DNA suppression was not significantly higher in Naive-DUAL (P = 0.14); lower baseline HBV DNA (P < 0.01) was associated with suppression. Among 32 Naive-MONO subjects with detectable HBV DNA at baseline and results at week 48, 41% suppressed; among such 15 Naive-DUAL subjects, 53% suppressed. HBeAg and HBeAb analyses showed similar trends. CONCLUSIONS: While consistent trends toward increased HBV DNA suppression, HBeAg loss and HBeAb seroconversion were observed in Naive-DUAL compared with Naive-MONO, they were not statistically significant. Overall, HDV coinfection was low.
OBJECTIVES: To characterize HIV/hepatitis B virus (HBV) coinfection in the AIDS Clinical Trials Group Longitudinal Linked Randomized Trials cohort and compare long-term HBV outcomes between regimens with 1 (MONO) or 2 (DUAL) anti-HBV agents. DESIGN: A retrospective study of coinfected AIDS Clinical Trials Group Longitudinal Linked Randomized Trials subjects who received regimens containing anti-HBV agent(s). METHODS: Stored samples at baseline and weeks 16, 32, 48, 144, and 240 were tested for HBV DNA, HBV e antigen (HBeAg), HBV e antibody (HBeAb), and hepatitis D virus (HDV) antibody. Resistance and genotype were tested in samples with HBV DNA >600 IU/mL. MONO versus DUAL analyses were limited to HBV treatment-naive subjects (Naive-MONO, Naive-DUAL). RESULTS: Of 150 study subjects, median age was 40 years, 96% were male; 57% white, 26% black, 13% Hispanic. Baseline median CD4 was 224 cells per cubic millimeter, HIV RNA 4.48 log10 copies/mL, HBV DNA 6.30 log10 IU/mL; 59% HBeAg positive and 65% HBeAb negative; HBV genotypes A = 69%, G = 18%, D = 7%, <2% for A/G, B, C, F, H. Coinfection with HDV was 2%. There were 49 Naive-MONO (lamivudine) and 22 Naive-DUAL (11 lamivudine + tenofovir, 11 emtricitabine + tenofovir) with detectable HBV DNA. In the 240-week follow-up, HBV DNA suppression was not significantly higher in Naive-DUAL (P = 0.14); lower baseline HBV DNA (P < 0.01) was associated with suppression. Among 32 Naive-MONO subjects with detectable HBV DNA at baseline and results at week 48, 41% suppressed; among such 15 Naive-DUAL subjects, 53% suppressed. HBeAg and HBeAb analyses showed similar trends. CONCLUSIONS: While consistent trends toward increased HBV DNA suppression, HBeAg loss and HBeAb seroconversion were observed in Naive-DUAL compared with Naive-MONO, they were not statistically significant. Overall, HDV coinfection was low.
Authors: Marlene Smurzynski; Ann C Collier; Susan L Koletar; Ronald J Bosch; Kunling Wu; Barbara Bastow; Constance A Benson Journal: HIV Clin Trials Date: 2008 Jul-Aug
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