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ABSTRACT: This open-label, multicenter, single-arm clinical trial assessed the 48-week efficacy of a twice-daily triple nucleoside reverse-transcriptase inhibitor regimen containing a lamivudine (150 mg)-zidovudine (300 mg) combination tablet (COM) and abacavir (ABC; 300 mg) in 87 antiretroviral therapy-experienced, protease inhibitor-naive patients infected with human immunodeficiency virus type 1 (HIV-1). At baseline, the median plasma HIV-1 RNA level was 3.10 log(10) copies/mL, and the median CD4 cell count was 506 cells/mm(3). An intent-to-treat&rcolon;observed analysis showed that, at weeks 24 and 48 of treatment, HIV-1 RNA level was <400 copies/mL in 48 (76%) of 63 and 45 (82%) of 55 patients, respectively, and <50 copies/mL in 37 (59%) of 63 and 31 (56%) of 55 patients, respectively. Previous zidovudine or lamivudine use and presence at baseline of the M184V reverse-transcriptase mutation did not impact virologic response. Median CD4 cell counts were maintained above baseline throughout the study. COM plus ABC was generally well tolerated.
The Journal of Infectious Diseases 02/2001; 183(4):571-8. · 5.85 Impact Factor