Statins Cause Increase in Lactic Acid Production
Anything that increases lactic acid production, thus lowering energy production, is fundamentally unhealthy.
Study Title:Lipid-lowering drugs and mitochondrial function: effects of HMG-CoA reductase inhibitors on serum ubiquinone and blood lactate/pyruvate ratio.
1. Statins inhibit synthesis of mevalonate, a precursor of ubiquinone that is a central compound of the mitochondrial respiratory chain. The main adverse effect of statins is a toxic myopathy possibly related to mitochondrial dysfunction.
2. This study was designed to evaluate the effect of lipid-lowering drugs on ubiquinone (coenzyme Q10) serum level and on mitochondrial function assessed by blood lactate/pyruvate ratio.
3. Eighty hypercholesterolaemic patients (40 treated by statins, 20 treated by fibrates, and 20 untreated patients, all 80 having total cholesterol levels > 6.0 mmol l-1) and 20 healthy controls were included. Ubiquinone serum level and blood lactate/pyruvate ratio used as a test for mitochondrial dysfunction were evaluated in all subjects.
4. Lactate/pyruvate ratios were significantly higher in patients treated by statins than in untreated hypercholesterolaemic patients or in healthy controls (P < 0.05 and P < 0.001). The difference was not significant between fibratetreated patients and untreated patients.
5. Ubiquinone serum levels were lower in statin-treated patients (0.75 mg l-1 +/- 0.04) than in untreated hypercholesterolaemic patients (0.95 mg l-1 +/- 0.09; P < 0.05).
6. We conclude that statin therapy can be associated with high blood lactate/ pyruvate ratio suggestive of mitochondrial dysfunction. It is uncertain to what extent low serum levels of ubiquinone could explain the mitochondrial dysfunction.
De Pinieux G, Chariot P, Ammi-Said M, Louarn F, Lejonc JL, Astier A, Jacotot B, Gherardi R. Lipid-lowering drugs and mitochondrial function: effects of HMG-CoA reductase inhibitors on serum ubiquinone and blood lactate/pyruvate ratio. Br J Clin Pharmacol. 1996 September 42(3):333-7.
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