Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.

<h4>Background</h4>The prevalence of transmitted HIV drug resistance (TDR) is stabilizing or decreasing in developed countries. However, this trend is not specifically evaluated among immigrants from regions without well-implemented antiretroviral strategies.<h4>Methods</h4>T...

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Autores principales: Gonzalo Yebra, Miguel de Mulder, María Jesús Pérez-Elías, José Antonio Pérez-Molina, Juan Carlos Galán, Jara Llenas-García, Santiago Moreno, África Holguín
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spelling oai:doaj.org-article:d40eee54933042d4b1a4e0f6567019f62021-11-18T07:35:47ZIncrease of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.1932-620310.1371/journal.pone.0026757https://doaj.org/article/d40eee54933042d4b1a4e0f6567019f62011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22046345/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>The prevalence of transmitted HIV drug resistance (TDR) is stabilizing or decreasing in developed countries. However, this trend is not specifically evaluated among immigrants from regions without well-implemented antiretroviral strategies.<h4>Methods</h4>TDR trends during 1996-2010 were analyzed among naïve HIV-infected patients in Spain, considering their origin and other factors. TDR mutations were defined according to the World Health Organization list.<h4>Results</h4>Pol sequence was available for 732 HIV-infected patients: 292 native Spanish, 226 sub-Saharan Africans (SSA), 114 Central-South Americans (CSA) and 100 from other regions. Global TDR prevalence was 9.7% (10.6% for Spanish, 8.4% for SSA and 7.9% for CSA). The highest prevalences were found for protease inhibitors (PI) in Spanish (3.1%), for non-nucleoside reverse transcriptase inhibitors (NNRTI) in SSA (6.5%) and for nucleoside reverse transcriptase inhibitors (NRTI) in both Spanish and SSA (6.5%). The global TDR rate decreased from 11.3% in 2004-2006 to 8.4% in 2007-2010. Characteristics related to a decreasing TDR trend in 2007-10 were Spanish and CSA origin, NRTI- and NNRTI-resistance, HIV-1 subtype B, male sex and infection through injection drug use. TDR remained stable for PI-resistance, in patients infected through sexual intercourse and in those carrying non-B variants. However, TDR increased among SSA and females. K103N was the predominant mutation in all groups and periods.<h4>Conclusion</h4>TDR prevalence tended to decrease among HIV-infected native Spanish and Central-South Americans, but it increased up to 13% in sub-Saharan immigrants in 2007-2010. These results highlight the importance of a specific TDR surveillance among immigrants to prevent future therapeutic failures, especially when administering NNRTIs.Gonzalo YebraMiguel de MulderMaría Jesús Pérez-ElíasJosé Antonio Pérez-MolinaJuan Carlos GalánJara Llenas-GarcíaSantiago MorenoÁfrica HolguínPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 10, p e26757 (2011)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Gonzalo Yebra
Miguel de Mulder
María Jesús Pérez-Elías
José Antonio Pérez-Molina
Juan Carlos Galán
Jara Llenas-García
Santiago Moreno
África Holguín
Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
description <h4>Background</h4>The prevalence of transmitted HIV drug resistance (TDR) is stabilizing or decreasing in developed countries. However, this trend is not specifically evaluated among immigrants from regions without well-implemented antiretroviral strategies.<h4>Methods</h4>TDR trends during 1996-2010 were analyzed among naïve HIV-infected patients in Spain, considering their origin and other factors. TDR mutations were defined according to the World Health Organization list.<h4>Results</h4>Pol sequence was available for 732 HIV-infected patients: 292 native Spanish, 226 sub-Saharan Africans (SSA), 114 Central-South Americans (CSA) and 100 from other regions. Global TDR prevalence was 9.7% (10.6% for Spanish, 8.4% for SSA and 7.9% for CSA). The highest prevalences were found for protease inhibitors (PI) in Spanish (3.1%), for non-nucleoside reverse transcriptase inhibitors (NNRTI) in SSA (6.5%) and for nucleoside reverse transcriptase inhibitors (NRTI) in both Spanish and SSA (6.5%). The global TDR rate decreased from 11.3% in 2004-2006 to 8.4% in 2007-2010. Characteristics related to a decreasing TDR trend in 2007-10 were Spanish and CSA origin, NRTI- and NNRTI-resistance, HIV-1 subtype B, male sex and infection through injection drug use. TDR remained stable for PI-resistance, in patients infected through sexual intercourse and in those carrying non-B variants. However, TDR increased among SSA and females. K103N was the predominant mutation in all groups and periods.<h4>Conclusion</h4>TDR prevalence tended to decrease among HIV-infected native Spanish and Central-South Americans, but it increased up to 13% in sub-Saharan immigrants in 2007-2010. These results highlight the importance of a specific TDR surveillance among immigrants to prevent future therapeutic failures, especially when administering NNRTIs.
format article
author Gonzalo Yebra
Miguel de Mulder
María Jesús Pérez-Elías
José Antonio Pérez-Molina
Juan Carlos Galán
Jara Llenas-García
Santiago Moreno
África Holguín
author_facet Gonzalo Yebra
Miguel de Mulder
María Jesús Pérez-Elías
José Antonio Pérez-Molina
Juan Carlos Galán
Jara Llenas-García
Santiago Moreno
África Holguín
author_sort Gonzalo Yebra
title Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
title_short Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
title_full Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
title_fullStr Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
title_full_unstemmed Increase of transmitted drug resistance among HIV-infected sub-Saharan Africans residing in Spain in contrast to the native population.
title_sort increase of transmitted drug resistance among hiv-infected sub-saharan africans residing in spain in contrast to the native population.
publisher Public Library of Science (PLoS)
publishDate 2011
url https://doaj.org/article/d40eee54933042d4b1a4e0f6567019f6
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