Thursday, April 2, 2009
Meglitinides - repaglinide (Prandin) and nateglinide (Starlix)
The class of drugs known as meglitinides is relatively new. Meglitinides also work on the pancreas to promote insulin secretion. Unlike sulfonylureas that bind to receptors on the insulin producing cells, meglitinides work through a separate potassium based channel on the cell surface. Unlike the sulfonylureas which last longer in the body, repaglinide (Prandin) and nateglinide (Starlix) are very short acting, with peak effects within one hour. For this reason, they are given up to three times a day just before meals. Since these drugs also increase circulating insulin levels, they may cause hypoglycemia, but the literature suggests this is less frequent than the hypoglycemia seen with sulfonylureas.
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