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Effects of Pitavastatin on Insulin Sensitivity and Liver Fat: A Randomized Clinical Trial.


ABSTRACT: Context:3-Hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitors (statins) are widely prescribed. Statins may have important metabolic effects on insulin sensitivity and liver fat, but limited studies have assessed these effects by using euglycemic hyperinsulinemic clamp, stable isotopes, and 1H magnetic resonance spectroscopy (MRS) for liver fat quantification. Objective:To study the effects of pitavastatin on hepatic fat and insulin sensitivity. Design:Six-month, double-blind, randomized, placebo-controlled trial. Setting:Academic clinical research center in Boston, Massachusetts. Participants:Overweight, insulin-resistant men aged 40 to 65 years who had not received statin therapy for ?1 year. Interventions:Pitavastatin 4 mg or placebo daily. Outcome:The primary endpoints were changes in insulin sensitivity measured by euglycemic hyperinsulinemic clamp and liver fat measured by 1H MRS. Results:Pitavastatin showed no effect on endogenous glucose production (?Ra glucose 0.07 ± 0.07 vs 0.04 ± 0.07 mg/kg/min, pitavastatin vs placebo, P = 0.76) or insulin-stimulated glucose uptake during "low dose" (?M 0.1 ± 0.1 vs -0.3 ± 0.2 mg/kg/min, P = 0.11) and "high dose" (?M -0.5 ± 0.3 vs -0.7 ± 0.4 mg/kg/min, P = 0.70) euglycemic hyperinsulinemic clamps. There was also no effect of pitavastatin on fasting glucose, HbA1c, and 2-hour glucose after 75-g glucose challenge. There was also no change in liver fat fraction (-1 ± 1 vs -0 ± 1%, P = 0.56). Conclusion:Compared with placebo, pitavastatin did not affect hepatic or whole-body insulin sensitivity, and it did not reduce liver fat.

SUBMITTER: Braun LR 

PROVIDER: S-EPMC6194811 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Effects of Pitavastatin on Insulin Sensitivity and Liver Fat: A Randomized Clinical Trial.

Braun Laurie R LR   Feldpausch Meghan N MN   Czerwonka Natalia N   Weiss Julian J   Branch Karen K   Lee Hang H   Martinez-Salazar Edgar L EL   Torriani Martin M   Sponseller Craig A CA   Grinspoon Steven K SK   Stanley Takara L TL  

The Journal of clinical endocrinology and metabolism 20181101 11


<h4>Context</h4>3-Hydroxy-3-methyl-glutaryl-coenzyme A reductase inhibitors (statins) are widely prescribed. Statins may have important metabolic effects on insulin sensitivity and liver fat, but limited studies have assessed these effects by using euglycemic hyperinsulinemic clamp, stable isotopes, and 1H magnetic resonance spectroscopy (MRS) for liver fat quantification.<h4>Objective</h4>To study the effects of pitavastatin on hepatic fat and insulin sensitivity.<h4>Design</h4>Six-month, doubl  ...[more]

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