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  • Title: Microsomal triglyceride transfer protein inhibitor (lomitapide) efficacy in the treatment of patients with homozygous familial hypercholesterolaemia.
    Author: Kolovou G, Diakoumakou O, Kolovou V, Fountas E, Stratakis S, Zacharis E, Liberopoulos EN, Matsouka F, Tsoutsinos A, Mastorakou I, Katsikas T, Mavrogeni S, Hatzigeorgiou G.
    Journal: Eur J Prev Cardiol; 2020 Jan; 27(2):157-165. PubMed ID: 31403880.
    Abstract:
    AIMS: The aim of this study was to evaluate the effect of microsomal triglyceride transfer protein inhibitor (lomitapide) in patients with homozygous familial hypercholesterolaemia. METHODS AND RESULTS: In 12 homozygous familial hypercholesterolaemia patients treated with lipid-lowering drugs ± biweekly lipoprotein apheresis sessions (nine patients), daily lomitapide was added. The lipid profile (total cholesterol, low-density lipoprotein cholesterol, triglycerides, high-density lipoprotein cholesterol) before and after lomitapide treatment was evaluated. The follow-up period with lomitapide treatment was 3-24 months (13.8 ± 7.9). The median baseline low-density lipoprotein cholesterol level was 900 mg/dl (348-1070), after lipid-lowering drugs therapy was 383.5 mg/dl (214-866) and after lipid-lowering drugs + time-averaged level was 288 mg/dl (183.7-716.6). The addition of lomitapide lowered low-density lipoprotein cholesterol levels further by 56.8% compared to lipid-lowering drugs alone (mean reduction 262, 95% confidence interval (105.5-418.7), p = 0.005) and by 54% (mean reduction 182.9, 95% confidence interval (-342 - -23), p = 0.031) comparing to lipid-lowering drugs + lipoprotein apheresis (time-averaged level). The time-averaged level of low-density lipoprotein cholesterol in lipid-lowering drugs + lipoprotein apheresis patients compared with lipid-lowering drugs + lomitapide was 54% in favour of lomitapide (p = 0.031). CONCLUSIONS: Treatment with lomitapide in homozygous familial hypercholesterolaemia patients has a beneficial effect with a constant decrease of low-density lipoprotein cholesterol by 57% compared with classical lipid-lowering therapy and by 54% compared with classical lipid-lowering therapy and time-averaged level of low-density lipoprotein cholesterol.
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