Dataset Information

Switch from tenofovir disoproxil fumarate combination to dolutegravir with rilpivirine improves parameters of bone health.

ABSTRACT: OBJECTIVE:Bone mineral density (BMD) loss, a risk factor for osteoporosis, has been attributed to HIV infection and antiretroviral therapy (ART), including regimens containing tenofovir disoproxil fumarate. DESIGN:Study 202094 is an open-label, parallel-group, sub-study of the phase III SWORD-1 and SWORD-2 studies (ClinicalTrials.gov identifier, NCT02478632). METHODS:HIV-1-infected adults with HIV-1 RNA less than 50 copies/ml who received ART containing tenofovir disoproxil fumarate for at least 6 months were randomized to receive dolutegravir with rilpivirine or continue current ART regimen. Total hip and lumbar spine BMD were measured by dual-energy X-ray absorptiometry (DXA) scans. The primary endpoint was percentage change from baseline in total hip BMD. RESULTS:DXA scans were evaluable for 81 participants at baseline and Week 48. Percentage increase in total hip BMD was significantly greater in participants who switched to dolutegravir with rilpivirine (1.34%) compared with participants who continued current ART (0.05%; treatment difference, +1.29%; 95% CI 0.27-2.31; P?=?0.014). Lumbar spine BMD significantly increased in the dolutegravir with rilpivirine group by 1.46% (95% CI 0.65-2.28) compared with 0.15% (95% CI -0.79 to 1.09) in the current ART group (treatment difference, 1.32; 95% CI 0.07-2.57; P?=?0.039). Participants in the dolutegravir with rilpivirine group experienced significantly greater reductions in bone formation and resorption biomarkers compared with the current ART group. CONCLUSION:Switch to dolutegravir with rilpivirine was associated with significant improvement in BMD and bone turnover markers compared with tenofovir-based three-drug regimens, providing a robust option for preserving bone health while continuing suppressive ART.

SUBMITTER: McComsey GA

PROVIDER: S-EPMC5802259 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Switch from tenofovir disoproxil fumarate combination to dolutegravir with rilpivirine improves parameters of bone health.

McComsey Grace A GA Lupo Sergio S Parks David D Poggio Mónica Coronado MC De Wet Joseph J Kahl Lesley P LP Angelis Kostas K Wynne Brian B Vandermeulen Kati K Gartland Martin M Cupo Michael M Aboud Michael M

AIDS (London, England) 20180201 4

<h4>Objective</h4>Bone mineral density (BMD) loss, a risk factor for osteoporosis, has been attributed to HIV infection and antiretroviral therapy (ART), including regimens containing tenofovir disoproxil fumarate.<h4>Design</h4>Study 202094 is an open-label, parallel-group, sub-study of the phase III SWORD-1 and SWORD-2 studies (ClinicalTrials.gov identifier, NCT02478632).<h4>Methods</h4>HIV-1-infected adults with HIV-1 RNA less than 50 copies/ml who received ART containing tenofovir disoproxil ...[more]

PMID: 29239893

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Project description:BackgroundIn human immunodeficiency virus (HIV) treatment, tenofovir alafenamide (TAF) is associated with greater increases in all fasting cholesterol subgroups compared with tenofovir disoproxil fumarate (TDF). Because lipid abnormalities may contribute to cardiovascular morbidity and mortality, cardiovascular risk assessment is integral to routine HIV care. This post hoc study evaluates the impact of lipid changes on predicted atherosclerotic cardiovascular disease (ASCVD) risk and statin eligibility in treatment-naive adults living with HIV treated with TAF or TDF.MethodsParticipants (N = 1744) were randomized (1:1) to initiate TAF or TDF, each coformulated with elvitegravir/cobicistat/emtricitabine (studies GS-US-292-0104 and GS-US-292-0111). Eligibility for statin therapy and estimated 10-year ASCVD risk among adults aged 40-79 years treated with TAF or TDF for 96 weeks (W96) were analyzed based on American College of Cardiology/American Heart Association Pooled Cohort Equations. Categorical shifts in 10-year ASCVD risk from <7.5% to ≥7.5% by W96 on TAF versus TDF were calculated.ResultsParticipants initiating TAF versus TDF in the overall study population showed small but significant increases in median fasting lipid parameters at W96, including total cholesterol (191 vs 177 mg/dL; P < .001), low-density lipoprotein ([LDL] 119 vs 112 mg/dL; P < .001), and high-density lipoprotein ([HDL] 51 vs 48 mg/dL; P < .001), respectively. At baseline, 18% and 23% on TAF versus TDF had a 10-year ASCVD risk score ≥7.5%, with mean risk scores low overall for TAF versus TDF at baseline (4.9% vs 5.4%; P = .35) and W96 (6.1% vs 6.2%; P = .04). Increases in ASCVD risk from baseline to W96 were driven by both increasing age and changes in total cholesterol (TC) and HDL cholesterol. At W96, TC/HDL ratios (median) were 3.7 for both groups (P = .69). There was no difference between shifts in categorical risk for TAF versus TDF (9% vs 5%; P = .19). Eligibility for high-intensity statin therapy were similar for TAF versus TDF groups (19% vs 21%; P = .47).ConclusionsLipid changes with TAF as part of coformulated regimens do not substantively affect CVD risk profiles compared with TDF.

Dataset Information

Switch from tenofovir disoproxil fumarate combination to dolutegravir with rilpivirine improves parameters of bone health.

Publications

Switch from tenofovir disoproxil fumarate combination to dolutegravir with rilpivirine improves parameters of bone health.

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