Abstract
of results Median CD4 282 cells/μl (IQR:252), HIV-1 VL 4.17 log10 (IQR 1.35), and duration of HIV infection 13 years. Number of NRTI, NNRTI and PI RAMs: 5 (IQR:4), 1 (IQR:1), and 6 (IQR:4), respectively. Patients exposed to LPV/r had received more HAART regimens (p < 0.001), PIs (p < 0.001), and NRTIs (p < 0.001). RAMs significantly associated with prior or current LPV/r exposure were: L10I/F (p = 0.02, p = 0.001), K20R (p = 0.023), L24I (p = 0.01), L33F (p < 0.001), M36I (p = 0.029), M46I/L (p = 0.023, p = 0.003), I47V (p = 0.022), G48V (p = 0.08), F53L (p = 0.017), I54V (p < 0.001), A71V (p < 0.001), G73S (p = 0.008), V82A (p < 0.001), I84V (p < 0.001), and L90M (p = 0.037). Two NRTI mutations were also associated with LPV/r failure: E44D (p = 0.002) and V118I (p = 0.048). L76V was found in only one sample. RAMs associated only with current (and not previous) LPV/r failure were: L33F, M36I, M46I, I47V, G48V, A71V, G73S, I84V, L90M. These RAMs are all included in the IAS-USA LPV/r list, except M36I and G48V, found to be associated with prior saquinavir use (p = 0.02 and p < 0.001, respectively). Mutations included in the IAS-USA list for LPV but not found to be associated with LPV/r previous or current failure: L10R/V, K20M, V32I, I47A, I50V, I54L/A/M/T/S, L63P, A71T, I76V, and V82F/T/S.
Highlights
Abstracts of the Ninth International Congress on Drug Therapy in HIV Infection Meeting abstracts – A single PDF containing all abstracts in this Supplement is available here. http://www.biomedcentral.com/content/pdf/1758-2652-11-S1-info.pdf
We investigated the resistance mutations (RAMs) in patients with prior or current LPV/r failure
Patients exposed to LPV/r had received more HAART regimens (p < 0.001), PIs (p < 0.001), and NRTIs (p < 0.001)
Summary
Address: 1University Hospital Germans Trias, Badalona, Spain, 2Universitat Politècnica de Catalunya, Barcelona, Spain, 3Hospital Sant Pau, Barcelona, Spain, 4Hospital Xeral Cies, Vigo, Spain and 5National Haemophilia Center, Tel Aviv, Israel. Abstracts of the Ninth International Congress on Drug Therapy in HIV Infection Meeting abstracts – A single PDF containing all abstracts in this Supplement is available here. http://www.biomedcentral.com/content/pdf/1758-2652-11-S1-info.pdf
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