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  • Title: [Therapy of hypercholesterolemia and hypertriglyceridemia. Comparison of the lipid-lowering effect of simvastatin and tiadenol].
    Author: Serra T, Gavelli MS, Vitaliano E, Santini G, Catalano A, Rossi FG, Tozzi J, Caridis R, Guarini G.
    Journal: Clin Ter; 1990 Mar 15; 132(5):307-13. PubMed ID: 2139833.
    Abstract:
    A comparative trial was carried out on the effect on lipid metabolism of two drugs which inhibit the enzyme systems involved in cholesterol synthesis: tiadenol and simvastatin. The trial was performed in 40 patients with non familial and non secondary hypercholesterolemia. Subjects were divided into two groups of 20 patients each, one to be treated with tiadenol, the other with simvastatin. During the study period all patients followed a dietary regime of about 1500 cal daily. Thirty days before the trial, patients were given a placebo daily, and this was followed by thirty days with the drugs studied. Prior to the placebo period and at the end of the experimental period, blood was drawn for the assessment of total cholesterol, esterified cholesterol, VLDL-, LDL- and HDL-cholesterol, apolipoprotein B, phospholipids, and triglycerides. Both drugs were found to induce significant reductions of total cholesterol, VLDL, and LDL, a relative increase of HDL, and reduction of apolipoprotein B. Triglyceride blood level was markedly reduced in tiadenol-treated subjects, and to a lesser extent also in simvastatin-treated ones. This difference is attributed to the different levels at which the drugs interfere with the early steps of cholesterol synthesis. The authors conclude by pointing out that the two drugs should be used selectively according to the type of metabolic disorder prevalent in the individual patient.
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