Antiviral Efficacy of Abacavir in Antiretroviral Therapy-Experienced Adults Harbouring HIV-1 with Specific Patterns of Resistance to Nucleoside Reverse Transcriptase Inhibitors

Abstract

Virological response to ABC may be diminished significantly by multiple NRTI-associated mutations and/or by reductions in phenotypic susceptibility to ABC. However, many subjects with baseline samples showing evidence of resistance to NRTIs respond to ABC.