Colesevelam.

E B Melian, G L Plosker

Adis International Inc., Langhorne, Pennsylvania, USA. demail@adis.com

American journal of cardiovascular drugs : drugs, devices, and other interventions 2001

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Colesevelam, a bile acid sequestrant used in the treatment of patients with hypercholesterolemia, is a lipid-lowering polymer that has high affinity for bile acids. In animals colesevelam was not systemically absorbed after oral administration and was rapidly eliminated via the gastrointestinal tract. Colesevelam did not alter the serum concentrations or pharmacokinetic properties of drugs from several different classes in healthy volunteers. Colesevelam administered orally in patients with primary hypercholesterolemia significantly reduced serum levels of low density lipoprotein (LDL)-cholesterol and total cholesterol. This lipid-lowering activity was sustained during short (6 weeks) and longer term (24 weeks) treatment. Combination therapy with colesevelam plus hydroxymethylglutaryl coenzyme A (HMG-CoA) reductase inhibitors (lovastatin, simvastatin or atorvastatin) was associated with additive reductions in serum levels of LDL-cholesterol and total cholesterol, relative to either agent alone. Colesevelam treatment was well tolerated and lacked severe gastrointestinal adverse events typical of other bile acid sequestrants (bloating, flatulence, heartburn and nausea). The most frequently reported adverse events were constipation and dyspepsia. In humans colesevelam did not induce clinically significant changes in serum levels of vitamins, coagulation parameters or liver enzymes.

Citation

E B Melian, G L Plosker. Colesevelam. American journal of cardiovascular drugs : drugs, devices, and other interventions. 2001;1(2):141-6; discussion 147-8