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J Infect Dis. 2003 Mar 15;187(6):896-900. Epub 2003 Mar 6.

Determining the relative efficacy of highly active antiretroviral therapy.

Author information

1
Aaron Diamond AIDS Research Center, The Rockefeller University, New York, New York, NY 10016, USA.

Abstract

Despite the clinical benefits of combination antiviral therapy, whether maximal antiviral potency has been achieved with current drug combinations remains unclear. We studied the first phase of decay of human immunodeficiency virus type 1 (HIV-1) RNA in plasma, one early indicator of antiviral activity, after the administration of a novel combination of lopinavir/ritonavir, efavirenz, tenofovir disoproxil fumarate, and lamivudine and compared it with that observed in matched cohorts treated with alternative combination regimens. On the basis of these comparisons, we conclude that the relative potency of highly active antiretroviral therapy may be augmented by as much as 25%-30%. However, it is important to emphasize that further study is warranted to explore whether these early measurements of relative efficacy provide long-term virologic and clinical benefits. Nevertheless, we believe that optimal treatment regimens for HIV-1 have yet to be identified and that continued research to achieve this goal is warranted.

PMID:
12660935
DOI:
10.1086/368164
[Indexed for MEDLINE]

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