2013
DOI: 10.1093/cid/cis1203
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SWIFT: Prospective 48-Week Study to Evaluate Efficacy and Safety of Switching to Emtricitabine/Tenofovir From Lamivudine/Abacavir in Virologically Suppressed HIV-1 Infected Patients on a Boosted Protease Inhibitor Containing Antiretroviral Regimen

Abstract: Virologic suppression was well maintained when HIV patients receiving 3TC/ABC with a boosted protease inhibitor were switched to emtricitabine/tenofovir disoproxil fumarate (FTC/TDF). Subjects randomized to FTC/TDF) had fewer virologic failures; in addition, improvements in lipids and Framingham risk scores were noted, while slight declines in estimated GFR were observed.

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Cited by 42 publications
(26 citation statements)
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“…Switch from stavudine-containing ART to TDF results in reductions in total cholesterol, LDL-and HDLcholesterol, and triglycerides, an effect not observed in those who switched to ABC [56], with similar observations in studies examining a switch from zidovudine-or ABC-containing ART to TDF [57,58]. In fact, TDF may have an independent lipid-lowering effect; the addition of TDF to a stable ART regimens was associated with significant reductions in total cholesterol, non-HDLand LDL-cholesterol compared with placebo [59], although the exact underlying mechanisms of this lipid-lowering effect remain to be determined.…”
Section: Nucleoside and Nucleotide Reverse Transcriptase Inhibitorssupporting
confidence: 58%
“…Switch from stavudine-containing ART to TDF results in reductions in total cholesterol, LDL-and HDLcholesterol, and triglycerides, an effect not observed in those who switched to ABC [56], with similar observations in studies examining a switch from zidovudine-or ABC-containing ART to TDF [57,58]. In fact, TDF may have an independent lipid-lowering effect; the addition of TDF to a stable ART regimens was associated with significant reductions in total cholesterol, non-HDLand LDL-cholesterol compared with placebo [59], although the exact underlying mechanisms of this lipid-lowering effect remain to be determined.…”
Section: Nucleoside and Nucleotide Reverse Transcriptase Inhibitorssupporting
confidence: 58%
“…Abacavir-lamivudine was recently compared to tenofoviremtricitabine, combined either with efavirenz or atazanavir- ritonavir, reporting higher lipid levels in the abacavir group but similar TC/HDL ratio [78], findings beings also reported in other studies [79][80][81]. However, decreases in TG and increases in HDL-C were greater with abacavir/ lamivudine than with tenofovir/emtricitabine when combined with raltegravir [82].…”
Section: Metabolic and Thrombotic Complications Associated With Cartmentioning
confidence: 60%
“…Conversely, it has become apparent that TDF has a lipid-lowering effect [15, 80], and though this has beneficial effects on calculated cardiovascular risk we are presently lacking good data on actual influence on clinical cardiac events.…”
Section: Tolerability and Toxicitymentioning
confidence: 99%