Abacavir sulfate/lamivudine/ zidovudine fixed combination in the treatment of HIV infection
2007
Treatment of HIV infection has typically been carried out using two nucleoside analogs and a protease inhibitor. Such regimens can be complex and have high pill burdens. Use of alternative regimens, such as triple nucleoside-based regimens, can improve adherence and decrease toxicities associated with protease inhibitor therapy. A formulation of abacavir sulfate/lamivudine/zidovudine allows a dosing schedule of one pill twice daily. The components have performed favorably compared with protease inhibitor-based regimens, such as indinavir. Compared with efavirenz-based regimens, abacavir sulfate/lamivudine/zidovudine has not performed as well. The combination is being studied as a cornerstone for induction maintenance strategies, in which switching a patient to abacavir sulfate/lamivudine/zidovudine has been associated with similar virologic outcomes as continuing with either protease inhibitor- or efavirenz-based regimens. Administration of abacavir sulfate/lamivudine/zidovudine also avoids side effects o...
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