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A Review of the Extent of HIV Drug Resistance in Vietnam | OMICS International | Abstract
ISSN 2155-6113

Journal of AIDS & Clinical Research
Open Access

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Review Article

A Review of the Extent of HIV Drug Resistance in Vietnam

Quang D. Pham1,2, David P. Wilson1 and Lei Zhang1*

1The Kirby Institute, University of New South Wales, Sydney, Australia

2Pasteur Institute, Ho Chi Minh City, Vietnam

*Corresponding Author:
Lei Zhang
CFI Building, Corner of West and Boundary Streets
Darlinghurst, Sydney NSW 2010, Australia
Tel: +61293850900
Fax: +61293850920
E-mail: [email protected]

Received Date: November 15, 2011; Accepted Date: December 25, 2011; Published Date: December 30, 2011

Citation: Pham QD, Wilson DP, Zhang L (2012) A Review of the Extent of HIV Drug Resistance in Vietnam. J AIDS Clinic Res S5:001. doi:10.4172/2155-6113.S5-001

Copyright: © 2012 Pham QD, 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 credit ed.

Abstract

Background: In 2005, free antiretroviral therapy (ART) was rolled-out as a national program in Viet Nam. The estimated population of people living with HIV reached 254,000 in 2010 and this leads to increasing demand of ART in the near future. By 2009, ART coverage reached 53.7% for adults and adolescents, and 49.7% for children. This study aims to describe the prevalence of HIV acquired drug resistance (ADR) among people receiving ART and prevalence of transmitted drug resistance (TDR) among recently HIV-infected persons in Vietnam, and their associated ART coverage, antiretroviral treatment adherence and risk behaviors.

Methods: We performed a comprehensive review of published English literature containing relevant epidemiological and behavioral indicators through internet searches.

Results: Twenty-one relevant publications were included in this review. TDR prevalence among people recently infected with HIV increased from below 5% in 2006 to a higher level of 5-15% during 2007-2008 in urban Vietnam, whereas TDR prevalence among chronic antiretroviral-naïve HIV-infected adults stabilized between 6-8% across the country. About half of all adults and children with clinical or immunological criteria of therapeutic failure had evidence of developing resistance to antiretroviral drugs. Non-adherence among adults on ART ranged between 25-32% and the level of viral suppression (< 1,000 copies/ml) fluctuated from 68% to more than 83% at 12 month after initiating ART. However, relevant data concerning children were mostly absent.

Conclusion: Increasing trend of transmission of HIV drug resistance was observed in urban Vietnam, suggesting an urgency of the establishment of regular surveillance for TDR. Viral load testing and availability of second or third line ART are recommended for the early diagnosis of drug resistance and prevention of its accumulation and transmission.

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