Antiviral therapy · 2014
Changes in biomarkers in HIV-1-infected treatment-naive patients treated with tenofovir DF/emtricitabine plus atazanavir/ritonavir or lopinavir/ritonavir for 96 weeks: the CASTLE biomarker substudy.
Клиническое исследование III фазыСтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Moyle Graeme, Hardy Helene, Uy Jonathan, Ray Neelanjana, Jimenez-Exposito Maria Jesus, McGrath Donnie, DeJesus Edwin
Аннотация
BACKGROUND: The impact of boosted protease inhibitor therapy on inflammatory and cardiovascular biomarker levels in treatment-naive HIV-infected patients remains unclear and may differ between agents. Unconjugated bilirubin elevation, which favourably affects vascular biomarkers and cardiovascular disease risk in Gilbert's syndrome, occurs with atazanavir.
METHODS: CASTLE was a 96-week study comparing efficacy and safety in treatment-naive HIV-1-infected patients randomized to atazanavir/ritonavir (ATV/r) versus lopinavir/ritonavir (LPV/r), each in combination with tenofovir disoproxil fumarate/emtricitabine. In this substudy, fasting plasma tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6), high sensitivity C-reactive protein (hs-CRP), plasminogen activator inhibitor-1 (PAI-1) and fibrinogen were assessed at baseline, week 12, 24, 48 and 96. Impact of grade 3-4 hyperbilirubinaemia on biomarkers was examined.
RESULTS: CASTLE demonstrated similar efficacy in both treatment arms with higher rates of hyperbilirubinaemia on ATV/r and elevated lipids on LPV/r. In this substudy (n=224), patterns of biomarker expression were similar between the ATV/r and LPV/r groups and between-group differences in biomarker percentage change from baseline were not significant at 48 and/or 96 weeks. Hyperbilirubinaemia did not influence fasting biomarker expression.
CONCLUSIONS: No significant differences were noted between ATV/r and LPV/r for biomarker percentage changes from baseline. Furthermore, no association was found between total bilirubin levels and biomarker expression.
METHODS: CASTLE was a 96-week study comparing efficacy and safety in treatment-naive HIV-1-infected patients randomized to atazanavir/ritonavir (ATV/r) versus lopinavir/ritonavir (LPV/r), each in combination with tenofovir disoproxil fumarate/emtricitabine. In this substudy, fasting plasma tumour necrosis factor-α (TNF-α), interleukin-6 (IL-6), high sensitivity C-reactive protein (hs-CRP), plasminogen activator inhibitor-1 (PAI-1) and fibrinogen were assessed at baseline, week 12, 24, 48 and 96. Impact of grade 3-4 hyperbilirubinaemia on biomarkers was examined.
RESULTS: CASTLE demonstrated similar efficacy in both treatment arms with higher rates of hyperbilirubinaemia on ATV/r and elevated lipids on LPV/r. In this substudy (n=224), patterns of biomarker expression were similar between the ATV/r and LPV/r groups and between-group differences in biomarker percentage change from baseline were not significant at 48 and/or 96 weeks. Hyperbilirubinaemia did not influence fasting biomarker expression.
CONCLUSIONS: No significant differences were noted between ATV/r and LPV/r for biomarker percentage changes from baseline. Furthermore, no association was found between total bilirubin levels and biomarker expression.