The Cellular Pharmacokinetics of HIV Protease Inhibitors: Current Knowledge and Future Perspectives
Weibin Zha, Beth S. Zha, Fang Zhou, Huiping Zhou and Guangji Wang
Affiliation: Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, Nanjing, Jiangsu, China 210009.
HIV protease inhibitors (PIs) are the cornerstone of Highly Active Antiretroviral Therapy (HAART). Their antiretroviral potent
is attributable to their pharmacokinetic properties. Yet, as the pharmacologic target of HIV PIs is localized within HIV-infected cells,
cellular pharmacokinetic properties must also be determined to predict not only efficacy, but also toxicity. In this review, we review recent
studies about cellular pharmacokinetics of current marketed HIV PIs, as well as the physicochemical properties of HIV PIs and their
drug transporters and enzymes. Additionally, a summary of potential strategies for optimizing cellular pharmacokinetics of HIV PIs and
initial ideas to study cellular pharmacokinetics is also discussed. Cellular pharmacokinetics of HIV PIs is an important budding field of
research that will significantly influence efficacy and toxicity profiles of these essential drugs, and we hope our review will aid in fundamental
knowledge for future research.
Keywords: Cellular pharmacokinetics, HIV protease inhibitor, pharmacokinetics/pharmcodynamics, toxicity, transporters, metabolic enzymes, Highly Active Antiretroviral Therapy, PIs, lipodystrophy, hepatotoxicity, saquinavir, ritonavir.
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