Daniel E Nixon1, Ronald J Bosch2, Ellen S Chan2, Nicholas T Funderburg3, Sally Hodder4, Jordan E Lake5, Michael M Lederman6, Karin L Klingman7, Judith A Aberg8. 1. Department of Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA. Electronic address: daniel.nixon@vcuhealth.org. 2. Center for Biostatistics and Research, Harvard School of Public Health, Boston, MA, USA. 3. Division of Medical Laboratory Science, School of Health and Rehabilitation Sciences, Ohio State University, Columbus, OH, USA. 4. West Virginia Clinical and Translational Science Institute, West Virginia University, Morgantown, WV, USA. 5. Department of Medicine, UCLA David Geffen School of Medicine, Los Angeles, CA, USA. 6. Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA. 7. HIV Research Branch, DAIDS, NIAID, NIH, Bethesda, MD, USA. 8. Infectious Diseases Clinical and Translational Research Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Abstract
BACKGROUND: Persistent immune activation and inflammation in virologically suppressed human immunodeficiency virus (HIV) infection are linked to excess cardiovascular risk. OBJECTIVE: To evaluate atorvastatin as a strategy to reduce cardiovascular risk. METHODS: A5275 was a multicenter, prospective, randomized, double-blind, placebo-controlled, cross-over pilot study of atorvastatin (10 mg/day for 4 weeks then 20 mg/day for 16 weeks) with a planned enrollment of 97 HIV-infected participants ≥18 years old, receivingboosted protease inhibitor-based antiretroviral therapy for ≥6 months, with plasma HIV-1 RNAs below limits of quantification ≥180 days, and fasting low-density lipoprotein (LDL) cholesterol ≥70 and <130 mg/dL. Primary endpoints were differences of changes ([week 44-week 24]-[week 20-baseline]) in CD4+ and CD8+ T-lymphocyte activation (% CD38+/DR+) and plasma levels of IL-6 and D-dimer. Arms were compared using the Wilcoxon rank-sum tests and also summarized changes pre-to-post atorvastatin treatment. Analyses were as-treated. RESULTS:Ninety-eight participants were enrolled at 31 U S sites and 73 completed study treatment. Atorvastatin treatment did not decrease T-lymphocyte or monocyte activation, circulating biomarker levels (interleukin-6, D-dimer, soluble CD14, soluble CD163, monocyte chemoattractant protein-1, interferon-gamma-induced protein-10, high-sensitivity C-reactive protein, CD40L, and P-selectin) or white blood cell Krüppel-like Factor 2/4 messenger RNA levels. Pre-to-post atorvastatin reductions in calculated LDL (-38%), oxidized-LDL (-33%), and lipoprotein-associated phospholipase A2 (-31%) were significant (P < .01). CONCLUSION: In virologically suppressed individuals with HIV infection, atorvastatin did not significantly decrease levels of soluble or cellular biomarkers of immune activation and inflammation but resulted in robust reductions in LDL cholesterol, oxLDL, and lipoprotein-associated phospholipase A2, biomarkers associated with cardiovascular risk.
RCT Entities:
BACKGROUND: Persistent immune activation and inflammation in virologically suppressed human immunodeficiency virus (HIV) infection are linked to excess cardiovascular risk. OBJECTIVE: To evaluate atorvastatinas a strategy to reduce cardiovascular risk. METHODS: A5275 was a multicenter, prospective, randomized, double-blind, placebo-controlled, cross-over pilot study of atorvastatin (10 mg/day for 4 weeks then 20 mg/day for 16 weeks) with a planned enrollment of 97 HIV-infectedparticipants ≥18 years old, receiving boosted protease inhibitor-based antiretroviral therapy for ≥6 months, with plasma HIV-1 RNAs below limits of quantification ≥180 days, and fasting low-density lipoprotein (LDL) cholesterol ≥70 and <130 mg/dL. Primary endpoints were differences of changes ([week 44-week 24]-[week 20-baseline]) in CD4+ and CD8+ T-lymphocyte activation (% CD38+/DR+) and plasma levels of IL-6 and D-dimer. Arms were compared using the Wilcoxon rank-sum tests and also summarized changes pre-to-post atorvastatin treatment. Analyses were as-treated. RESULTS: Ninety-eight participants were enrolled at 31 U S sites and 73 completed study treatment. Atorvastatin treatment did not decrease T-lymphocyte or monocyte activation, circulating biomarker levels (interleukin-6, D-dimer, soluble CD14, soluble CD163, monocyte chemoattractant protein-1, interferon-gamma-induced protein-10, high-sensitivity C-reactive protein, CD40L, and P-selectin) or white blood cell Krüppel-like Factor 2/4 messenger RNA levels. Pre-to-post atorvastatin reductions in calculated LDL (-38%), oxidized-LDL (-33%), and lipoprotein-associated phospholipase A2 (-31%) were significant (P < .01). CONCLUSION: In virologically suppressed individuals with HIV infection, atorvastatin did not significantly decrease levels of soluble or cellular biomarkers of immune activation and inflammation but resulted in robust reductions in LDL cholesterol, oxLDL, and lipoprotein-associated phospholipase A2, biomarkers associated with cardiovascular risk.
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