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. 2007 Oct 24:6:27.
doi: 10.1186/1476-511X-6-27.

Are HIV positive patients resistant to statin therapy?

Kevin W Johns  1 , Matthew T Bennett, Gregory P Bondy
Affiliations

Are HIV positive patients resistant to statin therapy?

Kevin W Johns et al. Lipids Health Dis. .

Abstract

Background: Patients with HIV are subject to development of HIV metabolic syndrome characterized by dyslipidemia, lipodystrophy and insulin resistance secondary to highly active antiretroviral therapy (HAART). Rosuvastatin is a highly potent HMG-CoA reductase inhibitor. Rosuvastatin is effective at lowering LDL and poses a low risk for drug-drug interaction as it does not share the same metabolic pathway as HAART drugs. This study sought to determine the efficacy of rosuvastatin on lipid parameters in HIV positive patients with HIV metabolic syndrome.

Results: Mean TC decreased from 6.54 to 4.89 mmol/L (25.0% reduction, p < 0.001). Mean LDL-C decreased from 3.39 to 2.24 mmol/L (30.8% reduction, p < 0.001). Mean HDL rose from 1.04 to 1.06 mmol/L (2.0% increase, p = ns). Mean triglycerides decreased from 5.26 to 3.68 mmol/L (30.1% reduction, p < 0.001). Secondary analysis examining the effectiveness of rosuvastatin monotherapy (n = 70) vs. rosuvastatin plus fenofibrate (n = 43) showed an improvement of 21.3% in TG and a decrease of 4.1% in HDL-C in the monotherapy group. The rosuvastatin plus fenofibrate showed a greater drop in triglycerides (45.3%, p < 0.001) and an increase in HDL of 7.6% (p = 0.08).

Conclusion: This study found that rosuvastatin is effective at improving potentially atherogenic lipid parameters in HIV-positive patients. The lipid changes we observed were of a smaller magnitude compared to non-HIV subjects. Our results are further supported by a small, pilot trial examining rosuvastatin effectiveness in HIV who reported similar median changes from baseline of -21.7% (TC), -22.4% (LDL-C), -30.1% (TG) with the exception of a 28.5% median increase in HDL. In light of the results revealed by this pilot study, clinicians may want to consider a possible resistance to statin therapy when treating patients with HIV metabolic syndrome.

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Figures

Figure 1
Figure 1
Dose-response analysis. Dose response analysis showing percentage change from baseline across all lipid parameters for 10 mg rosuvastatin monotherapy vs. 20 mg rosuvastatin monotherapy. * indicates p < 0.05.
Figure 2
Figure 2
Rosuvastatin monotherapy vs. Combination therapy. The percentage changes from baseline in lipid parameters of HIV+ patients taking either Rosuvastatin (R) and Fenofibrate (F) combination therapy or Rosuvastatin monotherapy. * indicates p < 0.05.
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