AGlucosidase inhibitors

Acarbose and miglitol are the two agents in the a-glucosidase inhibitor (AGI) class of antihyperglycemic compounds. AGIs reduce the rate of digestion of polysaccharides in the proximal small intestine. When used before meals, they delay the absorption of complex carbohydrates and blunt postprandial hyperglycemia, resulting in modest reductions in A1C. They are not associated with weight changes or hypoglycemia. AGIs are infrequently used in the USA. The main limitations to their widespread use are the need for frequent dosing, poor tolerability due to frequent gastrointestinal side effects, and only modest antihyperglycemic effects.

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