Pablo Tebas1, Michael Sension2, José Arribas3, Dan Duiculescu4, Eric Florence5, Chien-Ching Hung6, Timothy Wilkin7, Simon Vanveggel8, Marita Stevens8, Henri Deckx8. 1. University of Pennsylvania, Philadelphia. 2. Comprehensive Care Center, Fort Lauderdale, Florida. 3. Hospital Universitario La Paz, IdiPAZ, Madrid, Spain. 4. Titu Maiorescu University of Medicine and Dr Victor Babes Hospital for Infectious and Tropical Diseases, Bucharest, Romania. 5. Institute of Tropical Medicine, Antwerp. 6. National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei. 7. Weill Cornell Medical College, New York, New York. 8. Janssen Infectious Diseases BVBA, Beerse, Belgium.
Abstract
BACKGROUND:Pooled ECHO/THRIVE lipid and body fat data are presented from the ECHO (Efficacy Comparison in Treatment-Naïve, HIV-Infected Subjects of TMC278 and Efavirenz) and THRIVE (TMC278 Against HIV, in a Once-Daily Regimen Versus Efavirenz) trials. METHODS: We assessed the 96-week effects on lipids, adverse events (AEs), and body fat distribution (dual-energy x-ray absorptiometry) of rilpivirine (RPV) and EFV plus 2 nucleoside/nucleotide reverse transcriptase inhibitors (N[t]RTIs) in treatment-naive adults infected with human immunodeficiency virus type 1 (HIV-1). RESULTS:Rilpivirine produced minimal changes in total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides. Compared with RPV, EFV significantly (P < .001) increased lipid levels. Decreases in the TC/HDL-C ratio were similar with RPV and EFV. Background N[t]RTI affected RPV-induced lipid changes; all levels increased with zidovudine/lamivudine (3TC) and abacavir/3TC (except triglycerides, which were unchanged). With emtricitabine/tenofovir, levels of HDL-C were increased, TC and LDL-C were unchanged, and triglycerides were decreased. With EFV, lipid levels increased in each N[t]RTI subgroup (except triglycerides were unchanged with abacavir/3TC). Fewer (P < .001) RPV-treated patients than EFV-treated patients had TC, LDL-C, and triglyceride levels above National Cholesterol Education Program cutoffs. More RPV- than EFV-treated patients had HDL-C values below these cutoffs (P = .02). Dyslipidemia AEs were less common with RPV than with EFV. Similar proportions of patients had a ≥10% decrease in limb fat (16% with RPV and 17% with EFV). Limb fat was significantly (P < .001) increased to a similar extent (by 12% with RPV and 11% with EFV). At week 96, patients receiving zidovudine/3TC had lost limb fat, and those receiving emtricitabine/tenofovir had gained it. CONCLUSIONS: Over the course of 96 weeks, RPV-based therapy was associated with lower increases in lipid parameters and fewer dyslipidemia AEs than EFV-based treatment. Body fat distribution changes were similar between treatments. The N[t]RTI regimen affected lipid and body fat distribution changes.
RCT Entities:
BACKGROUND: Pooled ECHO/THRIVE lipid and body fat data are presented from the ECHO (Efficacy Comparison in Treatment-Naïve, HIV-Infected Subjects of TMC278 and Efavirenz) and THRIVE (TMC278 Against HIV, in a Once-Daily Regimen Versus Efavirenz) trials. METHODS: We assessed the 96-week effects on lipids, adverse events (AEs), and body fat distribution (dual-energy x-ray absorptiometry) of rilpivirine (RPV) and EFV plus 2 nucleoside/nucleotide reverse transcriptase inhibitors (N[t]RTIs) in treatment-naive adults infected with human immunodeficiency virus type 1 (HIV-1). RESULTS:Rilpivirine produced minimal changes in total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides. Compared with RPV, EFV significantly (P < .001) increased lipid levels. Decreases in the TC/HDL-C ratio were similar with RPV and EFV. Background N[t]RTI affected RPV-induced lipid changes; all levels increased with zidovudine/lamivudine (3TC) and abacavir/3TC (except triglycerides, which were unchanged). With emtricitabine/tenofovir, levels of HDL-C were increased, TC and LDL-C were unchanged, and triglycerides were decreased. With EFV, lipid levels increased in each N[t]RTI subgroup (except triglycerides were unchanged with abacavir/3TC). Fewer (P < .001) RPV-treated patients than EFV-treated patients had TC, LDL-C, and triglyceride levels above National Cholesterol Education Program cutoffs. More RPV- than EFV-treated patients had HDL-C values below these cutoffs (P = .02). Dyslipidemia AEs were less common with RPV than with EFV. Similar proportions of patients had a ≥10% decrease in limb fat (16% with RPV and 17% with EFV). Limb fat was significantly (P < .001) increased to a similar extent (by 12% with RPV and 11% with EFV). At week 96, patients receiving zidovudine/3TC had lost limb fat, and those receiving emtricitabine/tenofovir had gained it. CONCLUSIONS: Over the course of 96 weeks, RPV-based therapy was associated with lower increases in lipid parameters and fewer dyslipidemia AEs than EFV-based treatment. Body fat distribution changes were similar between treatments. The N[t]RTI regimen affected lipid and body fat distribution changes.
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