Combined analysis of the prevalence of drug-resistant Hepatitis B virus in antiviral therapy-experienced patients in Europe (CAPRE)
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Publication date
2016-01-01
Authors
Hermans, Lucas Etienne
Svicher, Valentina
Pas, S. D.
Salpini, Romina
Alvarez, Marta
Ben Ari, Ziv
Boland, Greet
Bruzzone, Bianca
Coppola, Nicola
Seguin-Devaux, Carole
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Article
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Abstract
Background European guidelines recommend treatment of chronic hepatitis B virus infection (CHB) with the nucleos(t)ide analogs (NAs) entecavir or tenofovir. However, many European CHB patients have been exposed to other NAs, which are associated with therapy failure and resistance. The CAPRE study was performed to gain insight in prevalence and characteristics of NA resistance in Europe. Methods A survey was performed on genotypic resistance testing results acquired during routine monitoring of CHB patients with detectable serum hepatitis B virus DNA in European tertiary referral centers. Results Data from 1568 patients were included. The majority (73.8%) were exposed to lamivudine monotherapy. Drug-resistant strains were detected in 52.7%. The most frequently encountered primary mutation was M204V/I (48.7%), followed by A181T/V (3.8%) and N236T (2.6%). In patients exposed to entecavir (n = 102), full resistance was present in 35.3%. Independent risk factors for resistance were age, viral load, and lamivudine exposure (P
Keywords
antiviral drug resistance; genotypic resistance testing; hepatitis B virus; nucleos(t)ide analogs, Immunology and Allergy, Infectious Diseases, Journal Article, Multicenter Study, Research Support, Non-U.S. Gov't
Citation
Hermans, L E, Svicher, V, Pas, S D, Salpini, R, Alvarez, M, Ben Ari, Z, Boland, G, Bruzzone, B, Coppola, N, Seguin-Devaux, C, Dyda, T, Garcia, F, Kaiser, R, Köse, S, Krarup, H, Lazarevic, I, Lunar, M M, Maylin, S, Micheli, V, Mor, O, Paraschiv, S, Paraskevis, D, Poljak, M, Puchhammer-Stöckl, E, Simon, F, Stanojevic, M, Stene-Johansen, K, Tihic, N, Trimoulet, P, Verheyen, J, Vince, A, Weis, N, Yalcinkaya, T, Lepej, S Z, Perno, C, Boucher, C A B & Wensing, A M J 2016, 'Combined analysis of the prevalence of drug-resistant Hepatitis B virus in antiviral therapy-experienced patients in Europe (CAPRE)', Journal of Infectious Diseases, vol. 213, no. 1, pp. 39-48. https://doi.org/10.1093/infdis/jiv363