2008
DOI: 10.1097/qad.0b013e3282f33557
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Zidovudine/lamivudine contributes to insulin resistance within 3 months of starting combination antiretroviral therapy

Abstract: Treatment for 3 months with a NRTI-containing, but not a NRTI-sparing, regimen resulted in a 25% decrease in insulin-mediated glucose disposal and a 22% increase in fasting lipolysis. In the absence of discernable changes in body composition, NRTI may directly affect glucose metabolism, the mechanism by which remains to be elucidated.

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Cited by 79 publications
(66 citation statements)
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“…NRTIs inhibit DNA polymerase gamma, an enzyme essential for mitochondrial DNA replication, resulting in mitochondrial DNA depletion, adipocyte death and lipoatrophy [143]. It has been also demonstrated that treatment with a NRTI-containing regimen of lamivudine or zidovudine in the absence of significant changes in body fat distribution, led to a 25% decrease in insulin-mediated peripheral glucose disposal and a 22% increase in fasting lipolysis [144]. However, a very recent study showed that substitution of stavudine with zidovudine could result in decreased severity or resolution of lipodystrophy among HIV-infected children and adolescents [145].…”
Section: Pathogenesis Of Hiv Lipodystrophymentioning
confidence: 99%
“…NRTIs inhibit DNA polymerase gamma, an enzyme essential for mitochondrial DNA replication, resulting in mitochondrial DNA depletion, adipocyte death and lipoatrophy [143]. It has been also demonstrated that treatment with a NRTI-containing regimen of lamivudine or zidovudine in the absence of significant changes in body fat distribution, led to a 25% decrease in insulin-mediated peripheral glucose disposal and a 22% increase in fasting lipolysis [144]. However, a very recent study showed that substitution of stavudine with zidovudine could result in decreased severity or resolution of lipodystrophy among HIV-infected children and adolescents [145].…”
Section: Pathogenesis Of Hiv Lipodystrophymentioning
confidence: 99%
“…Nucleo side reverse-transcriptase inhibitors have also been shown to induce insulin resistance in clamp studies [47]. After 4 weeks of stavudine treatment in healthy, HIV-negative controls, clamp insulin sensitivity was reduced, and associated with falls in striated muscle mitochondrial DNA and reduced mitochondrial function (by 31 P magnetic resonance spectroscopy) [52].…”
Section: Glucose Disorders In Treated Hiv Infection and Potential Suscementioning
confidence: 99%
“…In a separate study of HIV-negative subjects, ritonavir reduced insulin sensitivity by 15%; no effect was found with amprenavir [46]. In treatment-naive HIV-infected subjects, insulin sensitivity by clamp reduced 3 months after initiation of ritonavir-boosted International Diabetes Federation [37] n Waist >94 cm men/>80 cm women n Plus two of: -Glucose >5.6 mmol/l -High-density lipoprotein <1.20 mmol/l -Triglycerides >1.7 mmol/l -Systolic blood pressure >130 mmHg -Diastolic blood pressure >85 mmHg National Cholesterol Education Program-ATP III [38] n Any three of: -Waist >102 cm men/>88 cm women -Glucose >6. Review | Samaras lopinavir plus zidovudine/lamivudine [47]. By contrast, ritonavir-boosted lopinavir plus nevirapine had no observable effect on insulin sensitivity [47].…”
Section: Glucose Disorders In Treated Hiv Infection and Potential Suscementioning
confidence: 99%
“…There are differences in the pathways through which various PIs induce IR and in their propensity to do so. Certain PIs, such as indinavir (IDV), lopinavir, and ritonavir, have been shown to www.intechopen.com reversibly induce IR, probably by inhibition of glucose translocation through GLUT4 (67) . In contrast, atazanavir had no effect on IR.The NRTIs, zidovudine and stavudine, also have direct and indirect effects on glucose metabolism (68,69) .…”
Section: Insulin Resistance (Ir) As One Of the Possible Mechanisms Inmentioning
confidence: 99%