Lomitapide
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Lomitapide , sold under the brand name Juxtapid in the US and Lojuxta in the EU, is a medication used as a
lipid-lowering agent Lipid-lowering agents, also sometimes referred to as hypolipidemic agents, cholesterol-lowering drugs, or antihyperlipidemic agents are a diverse group of pharmaceuticals that are used to lower the level of lipids and lipoproteins such as cholestero ...
for the treatment of familial hypercholesterolemia, developed by Aegerion Pharmaceuticals. It has been tested in clinical trials as single treatment and in combinations with
atorvastatin Atorvastatin is a statin medication used to prevent cardiovascular disease in those at high risk and to treat abnormal lipid levels. For the prevention of cardiovascular disease, statins are a first-line treatment. It is taken by mouth. Common ...
,
ezetimibe Ezetimibe is a medication used to treat high blood cholesterol and certain other lipid abnormalities. Generally it is used together with dietary changes and a statin. Alone, it is less preferred than a statin. It is taken by mouth. It is also ...
and
fenofibrate Fenofibrate (sold under the brand names ''Tricor'', ''Fenobrat'' etc.), is an oral medication of the fibrate class used to treat abnormal blood lipid levels. It is less commonly used compared than statins because it treats a different type of c ...
. The US Food and Drug Administration (FDA) approved lomitapide in December 2012, as an orphan drug to reduce
LDL cholesterol Low-density lipoprotein (LDL) is one of the five major groups of lipoprotein that transport all fat molecules around the body in extracellular water. These groups, from least dense to most dense, are chylomicrons (aka ULDL by the overall dens ...
, total
cholesterol Cholesterol is any of a class of certain organic molecules called lipids. It is a sterol (or modified steroid), a type of lipid. Cholesterol is biosynthesized by all animal cells and is an essential structural component of animal cell mem ...
,
apolipoprotein B Apolipoprotein B (ApoB) is a protein that in humans is encoded by the gene. Function Apolipoprotein B is the primary apolipoprotein of chylomicrons, VLDL, Lp(a), IDL, and LDL particles (LDL—commonly known as "bad cholesterol" when in ref ...
, and non-high-density lipoprotein (non-HDL) cholesterol in people with homozygous familial hypercholesterolemia (HoFH). In July 2013, the European Commission approved lomitapide as an adjunct to a low-fat diet and other lipid-lowering medicinal products with or without low density lipoprotein (LDL)
apheresis Apheresis ( ἀφαίρεσις (''aphairesis'', "a taking away")) is a medical technology in which the blood of a person is passed through an apparatus that separates out one particular constituent and returns the remainder to the circulation ...
in adults with HoFH.


Mechanism of action

Lomitapide inhibits the
microsomal triglyceride transfer protein Microsomal triglyceride transfer protein large subunit is a protein that in humans is encoded by the ''MTTP'' gene. MTP encodes the large subunit of the heterodimeric microsomal triglyceride transfer protein. Protein disulfide isomerase (PDI) comp ...
(MTP or MTTP) which is necessary for
very low-density lipoprotein Very-low-density lipoprotein (VLDL), density relative to extracellular water, is a type of lipoprotein made by the liver. VLDL is one of the five major groups of lipoproteins ( chylomicrons, VLDL, intermediate-density lipoprotein, low-density l ...
(VLDL) assembly and secretion in the liver. In December 2012, drug manufacturer Aegerion announced they had been approved by the FDA to as "an adjunct to a low-fat diet and other lipid-lowering treatments...in patients with homozygous familial hypercholesterolemia (HoFH)."


Side effects

In a Phase III study, lomitapide led to elevated
aminotransferase Transaminases or aminotransferases are enzymes that catalyze a transamination reaction between an amino acid and an α-keto acid. They are important in the synthesis of amino acids, which form proteins. Function and mechanism An amino acid co ...
levels and fat accumulation in the liver.


References


External links

* {{Portal bar , Medicine Benzamides Biphenyls CYP3A4 inhibitors Fluorenes Hypolipidemic agents Organofluorides Orphan drugs Piperidines Trifluoromethyl compounds