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Patterns of transmitted HIV drug resistance in Europe vary by risk group

. 2014 ; 9 (4) : e94495. [epub] 20140410

Language English Country United States Media electronic-ecollection

Document type Journal Article, Research Support, Non-U.S. Gov't

BACKGROUND: In Europe, a continuous programme (SPREAD) has been in place for ten years to study transmission of drug resistant HIV. We analysed time trends of transmitted drug resistance mutations (TDRM) in relation to the risk behaviour reported. METHODS: HIV-1 patients newly diagnosed in 27 countries from 2002 through 2007 were included. Inclusion was representative for risk group and geographical distribution in the participating countries in Europe. Trends over time were calculated by logistic regression. RESULTS: From the 4317 patients included, the majority was men-having-sex-with-men -MSM (2084, 48%), followed by heterosexuals (1501, 35%) and injection drug users (IDU) (355, 8%). MSM were more often from Western Europe origin, infected with subtype B virus, and recently infected (<1 year) (p<0.001). The prevalence of TDRM was highest in MSM (prevalence of 11.1%), followed by heterosexuals (6.6%) and IDU (5.1%, p<0.001). TDRM was predominantly ascribed to nucleoside reverse transcriptase inhibitors (NRTI) with a prevalence of 6.6% in MSM, 3.3% in heterosexuals and 2.0% in IDU (p = 0.001). A significant increase in resistance to non- nucleoside reverse transcriptase inhibitors (NNRTIs) and a decrease in resistance to protease inhibitors was observed in MSM (p = 0.008 and p = 0.006, respectively), but not in heterosexual patients (p = 0.68 and p = 0.14, respectively). CONCLUSIONS: MSM showed to have significantly higher TDRM prevalence compared to heterosexuals and IDU. The increasing NNRTI resistance in MSM is likely to negatively influence the therapy response of first-line therapy, as most include NNRTI drugs.

Centro de Malária e outras Doenças Tropicais Instituto de Higiene e Medicina Tropical Universidade Nova de Lisboa Lisboa Portugal

Centro de Malária e outras Doenças Tropicais Instituto de Higiene e Medicina Tropical Universidade Nova de Lisboa Lisboa Portugal; Hospital Egas Moniz Centro Hospitalar de Lisboa Ocidental Lisboa Portugal

Department of Clinical Microbiology Karolinska University Hospital Stockholm Sweden; Divisions of Infectious Diseases and Clinical Virology Karolinska Institute Stockholm Sweden

Department of GU Medicine and Infectious Diseases St James's Hospital Dublin Ireland

Department of Microbiology Tumor and Cell Biology Karolinska Institutet Stockholm Sweden; Department of Clinical Microbiology Karolinska University Hospital Stockholm Sweden

Department of virology Erasmus Medical Center Rotterdam the Netherlands

Department of virology Erasmus Medical Center Rotterdam the Netherlands; Centro de Malária e outras Doenças Tropicais Instituto de Higiene e Medicina Tropical Universidade Nova de Lisboa Lisboa Portugal; Department of Microbiology Tumor and Cell Biology Karolinska Institutet Stockholm Sweden; Department of Clinical Microbiology Karolinska University Hospital Stockholm Sweden; Robert Koch Institute Berlin Germany; Statens Serum Institute Copenhagen Denmark; Laboratory of Retrovirology CRP Santé Luxembourg Luxembourg; Centre Hospitalier de Luxembourg Luxembourg; Rega Institute Katholieke Universiteit Leuven Leuven Belgium; Section for Microbiology and Immunology The Gade Institute University of Bergen Bergen Norway; University of Milan Milan Italy; Department of GU Medicine and Infectious Diseases St James's Hospital Dublin Ireland; Department of Virology National Center of Infectious and Parasitic Diseases Sofia Bulgaria; Hospital Egas Moniz Centro Hospitalar de Lisboa Ocidental Lisboa Portugal; irsiCaixa AIDS Research Institute and Lluita contra la SIDA Foundation Hospital Universitari Germans Trias i Pujol Badalona Spain; National Public Health Surveillance Laboratory Vilnius Lithuania; Sheba Medical Center Tel Hashomer Israel; Warsaw Medical University and Hospital of Infectious Diseases Warsaw Poland; Infectology Center of Latvia Riga Latvia; University of Erlangen Nuremberg Erlangen Germany; University of Cyprus Nicosia Cyprus; National Institute for Health and Welfare Helsinki Finland; National Institute of Public Health Prague Czech Republic; Molecular Diagnostics Prof Dr Matei Bals Institute for Infectious Diseases Bucharest Romania; Medical School University of Athens Athens Greece; University of Ljubljana Ljubljana Slovenia; Medical University Vienna Vienna Austria; Divisions of Infectious Diseases and Clinical Virology Karolinska Institute Stockholm Sweden; Slovak Medical University

Department of Virology National Center of Infectious and Parasitic Diseases Sofia Bulgaria

Infectology Center of Latvia Riga Latvia

irsiCaixa AIDS Research Institute and Lluita contra la SIDA Foundation Hospital Universitari Germans Trias i Pujol Badalona Spain

Laboratory of Retrovirology CRP Santé Luxembourg Luxembourg

Laboratory of Retrovirology CRP Santé Luxembourg Luxembourg; Centre Hospitalier de Luxembourg Luxembourg

Medical School University of Athens Athens Greece

Medical University Vienna Vienna Austria

Molecular Diagnostics Prof Dr Matei Bals Institute for Infectious Diseases Bucharest Romania

National Institute for Health and Welfare Helsinki Finland; National Institute of Public Health Prague Czech Republic

National Public Health Surveillance Laboratory Vilnius Lithuania

Rega Institute Katholieke Universiteit Leuven Leuven Belgium

Robert Koch Institute Berlin Germany

Section for Microbiology and Immunology The Gade Institute University of Bergen Bergen Norway

Sheba Medical Center Tel Hashomer Israel

Slovak Medical University Bratislava Slovakia

Statens Serum Institute Copenhagen Denmark

University of Belgrade School of Medicine Belgrade Serbia

University of Cyprus Nicosia Cyprus

University of Erlangen Nuremberg Erlangen Germany

University of Ljubljana Ljubljana Slovenia

University of Milan Milan Italy

Warsaw Medical University and Hospital of Infectious Diseases Warsaw Poland

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