期刊
JOURNAL OF ANTIMICROBIAL CHEMOTHERAPY
卷 66, 期 7, 页码 1481-1483出版社
OXFORD UNIV PRESS
DOI: 10.1093/jac/dkr152
关键词
failure; polymorphism; prevalence
资金
- Sidaction
- Agence Nationale de Recherche sur le SIDA (ANRS)
- Association de Recherche en Virologie et Dermatologie (ARVD)
- European Community [FP7/2007-2013]
Objectives: To compare the frequency of previously in vitro-selected integrase mutations (T124A, T124A/S153F, S153Y, T124A/S153Y and L101I/T124A/S153Y) conferring resistance to S/GSK1349572 between HIV-1 subtype B integrase inhibitor (INI)-naive and raltegravir-treated patients. Methods: Integrase sequences from 650 INI-naive patients and 84 raltegravir-treated patients were analysed. Results: The T124A mutation alone and the combination T124A/L101I were more frequent in raltegravir-failing patients than in INI-naive patients (39.3% versus 24.5%, respectively, P=0.005 for T124A and 20.2% versus 10.0%, respectively, P=0.008 for T124A/L101I). The S153Y/F mutations were not detected in any integrase sequence (except for S153F alone, only detected in one INI-naive patient). Conclusions: T124A and T124A/L101I, more frequent in raltegravir-treated patients, could have some effect on raltegravir response and their presence could play a role in the selection of other mutations conferring S/GSK1349572 resistance. The impact of raltegravir-mediated changes such as these on the virological response to S/GSK1349572 should be studied further.
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