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Pre-exposure prophylaxis for HIV infection: how antiretroviral pharmacology helps to monitor and improve adherence.


ABSTRACT: Pre-exposure prophylaxis (PrEP) with antiretroviral drugs is a novel biomedical intervention that can prevent HIV transmission among high-risk populations. As findings from multiple PrEP studies have suggested that adherence is vital to achieve the full prevention benefits of PrEP, it is important to understand the clinical pharmacology and pharmacokinetic (PK) properties of PrEP antiretrovirals, the association of PK and PrEP efficacy, and the potential for drug concentration measurement to be used as a tool to monitor PrEP adherence.This review examines studies related to PrEP adherence with attention to the clinical pharmacology and PK of current and novel PrEP agents. Studies of animal models, PK, and clinical trials related to PrEP and adherence were reviewed.In summary, when combined as part of a comprehensive prevention strategy that includes use of condoms and risk-reduction counseling, PrEP has tremendous promise as an adjunctive biomedical HIV prevention intervention, providing that adherence is maintained.

SUBMITTER: Blumenthal J 

PROVIDER: S-EPMC3954121 | biostudies-other | 2013 Sep

REPOSITORIES: biostudies-other

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Pre-exposure prophylaxis for HIV infection: how antiretroviral pharmacology helps to monitor and improve adherence.

Blumenthal Jill J   Haubrich Richard R  

Expert opinion on pharmacotherapy 20130626 13


<h4>Introduction</h4>Pre-exposure prophylaxis (PrEP) with antiretroviral drugs is a novel biomedical intervention that can prevent HIV transmission among high-risk populations. As findings from multiple PrEP studies have suggested that adherence is vital to achieve the full prevention benefits of PrEP, it is important to understand the clinical pharmacology and pharmacokinetic (PK) properties of PrEP antiretrovirals, the association of PK and PrEP efficacy, and the potential for drug concentrati  ...[more]

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