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BMC Infectious Diseases
Published in: BMC Infectious Diseases 1/2014

Open Access 01-12-2014 | Research article

Increase in transmitted resistance to non-nucleoside reverse transcriptase inhibitors among newly diagnosed HIV-1 infections in Europe

Authors: Dineke Frentz, David AMC Van de Vijver, Ana B Abecasis, Jan Albert, Osamah Hamouda, Louise B Jørgensen, Claudia Kücherer, Daniel Struck, Jean-Claude Schmit, Jurgen Vercauteren, Birgitta Åsjö, Claudia Balotta, Danail Beshkov, Ricardo J Camacho, Bonaventura Clotet, Suzie Coughlan, Algirdas Griskevicius, Zehava Grossman, Andrzej Horban, Tatjana Kolupajeva, Klaus Korn, Leondios G Kostrikis, Kirsi Liitsola, Marek Linka, Claus Nielsen, Dan Otelea, Dimitrios Paraskevis, Roger Paredes, Mario Poljak, Elisabeth Puchhammer-Stöckl, Anders Sönnerborg, Danica Stanekova, Maja Stanojevic, Eric Van Wijngaerden, Annemarie MJ Wensing, Charles AB Boucher

Published in: BMC Infectious Diseases | Issue 1/2014

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Abstract

Background

One out of ten newly diagnosed patients in Europe was infected with a virus carrying a drug resistant mutation. We analysed the patterns over time for transmitted drug resistance mutations (TDRM) using data from the European Spread program.

Methods

Clinical, epidemiological and virological data from 4317 patients newly diagnosed with HIV-1 infection between 2002 and 2007 were analysed. Patients were enrolled using a pre-defined sampling strategy.

Results

The overall prevalence of TDRM in this period was 8.9% (95% CI: 8.1-9.8). Interestingly, significant changes over time in TDRM caused by the different drug classes were found. Whereas nucleoside resistance mutations remained constant at 5%, a significant decline in protease inhibitors resistance mutations was observed, from 3.9% in 2002 to 1.6% in 2007 (p = 0.001). In contrast, resistance to non-nucleoside reverse transcriptase inhibitors (NNRTIs) doubled from 2.0% in 2002 to 4.1% in 2007 (p = 0.004) with 58% of viral strains carrying a K103N mutation. Phylogenetic analysis showed that these temporal changes could not be explained by large clusters of TDRM.

Conclusion

During the years 2002 to 2007 transmitted resistance to NNRTI has doubled to 4% in Europe. The frequent use of NNRTI in first-line regimens and the clinical impact of NNRTI mutations warrants continued monitoring.
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Metadata
Title
Increase in transmitted resistance to non-nucleoside reverse transcriptase inhibitors among newly diagnosed HIV-1 infections in Europe
Authors
Dineke Frentz
David AMC Van de Vijver
Ana B Abecasis
Jan Albert
Osamah Hamouda
Louise B Jørgensen
Claudia Kücherer
Daniel Struck
Jean-Claude Schmit
Jurgen Vercauteren
Birgitta Åsjö
Claudia Balotta
Danail Beshkov
Ricardo J Camacho
Bonaventura Clotet
Suzie Coughlan
Algirdas Griskevicius
Zehava Grossman
Andrzej Horban
Tatjana Kolupajeva
Klaus Korn
Leondios G Kostrikis
Kirsi Liitsola
Marek Linka
Claus Nielsen
Dan Otelea
Dimitrios Paraskevis
Roger Paredes
Mario Poljak
Elisabeth Puchhammer-Stöckl
Anders Sönnerborg
Danica Stanekova
Maja Stanojevic
Eric Van Wijngaerden
Annemarie MJ Wensing
Charles AB Boucher
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Infectious Diseases / Issue 1/2014
Electronic ISSN: 1471-2334
DOI
https://doi.org/10.1186/1471-2334-14-407

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