alexa New Antiretroviral Therapies and Potential Drug Interactions in HIVInfected Drug Abusers
ISSN: 1948-5964

Journal of Antivirals & Antiretrovirals
Open Access

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Review Article

New Antiretroviral Therapies and Potential Drug Interactions in HIVInfected Drug Abusers

PSS Rao1, TJ Cory2 and S Kumar1*

1Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA

2Department of Clinical Pharmacy, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, USA

*Corresponding Author:
Santosh Kumar
Associate professor
Department of Pharmaceutical Sciences
College of Pharmacy
University of Tennessee Health Science Center
881 Madison Ave. Memphis, TN, USA
Tel: + 901 448 6027
E-mail: [email protected]

Received Date: July 30, 2014; Accepted Date: August 28, 2014; Published Date: August 30, 2014

Citation: Rao PSS, Cory TJ, Kumar S (2014) New Antiretroviral Therapies and Potential Drug Interactions in HIV-Infected Drug Abusers. J Antivir Antiretrovir 6:086-091. doi: 10.4172/jaa.10000103

Copyright: © 2014 Rao PSS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Substance abuse remains a major obstacle in treating HIV-infected patients. The high prevalence of drug use is responsible for lack of adherence and severe drug interactions to antiretroviral therapy in HIV positive individuals. Over the past decade, newer therapies for HIV have been developed by targeting different stages of HIV life cycle. Of importance, targeting initial binding with receptor and genome integration by CCR5 antagonists and integrase inhibitors, respectively have been effective in reducing viral loads in clinical trials. However, most of these recently approved or investigational antiretroviral drugs are also metabolized by cytochrome P450 (CYP) enzymes. Thus, substance abuse mediated changes in level of CYP enzymes (induction or inhibition) may result in severe drug interactions, failure of therapy, rapid progression to AIDS, and increased mortality in HIV patients who are treated with regimens containing CCR5 antagonists and integrase inhibitors. In this review, we have discussed the pharmacokinetic data, efficacy, lack of adherence to these therapies in drug abusers, and CYP-mediated potential drug interactions for CCR5 antagonists and integrase inhibitors in HIV-infected drug abusers.

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