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Exenatide: a review from pharmacology to clinical practice
Author(s) -
Gentilella R.,
Bianchi C.,
Rossi A.,
Rotella C. M.
Publication year - 2009
Publication title -
diabetes, obesity and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.445
H-Index - 128
eISSN - 1463-1326
pISSN - 1462-8902
DOI - 10.1111/j.1463-1326.2008.01018.x
Subject(s) - exenatide , medicine , postprandial , metformin , endocrinology , type 2 diabetes , insulin , insulin glargine , incretin , gastric emptying , diabetes mellitus , type 2 diabetes mellitus , hypoglycemia , glycemic , weight loss , tolerability , pharmacology , adverse effect , obesity , stomach
Background: Exenatide is an incretin mimetic that activates glucagon‐like‐peptide‐1 receptors. It blunts the postprandial rise of plasma glucose by increasing glucose‐dependent insulin secretion, suppressing inappropriately high glucagon secretion and delaying gastric emptying. Methods: In seven clinical trials performed in 2845 adult patients with type 2 diabetes mellitus who were inadequately controlled by a sulphonylurea and/or metformin (glycosylated haemoglobin, HbA1c ≤11%), or by thiazolidinediones (with or without metformin) and treated for periods from 16 weeks to 3 years, exenatide (5 μg b.i.d. s.c. for the first 4 weeks of treatment and 10 μg b.i.d. s.c. thereafter) reduced HbA1c, fasting and postprandial glucose, and body weight dose dependently, and was similar to insulin glargine and biphasic insulin aspart in reducing HbA1c. Body weight diminished with exenatide, whereas it increased with both insulin preparations. Positive effects on the lipid profile and a reduction in C‐reactive protein were also recorded with exenatide. Treatment extensions up to 3 years showed that benefits were maintained in the long term. Adverse events were usually mild to moderate in intensity, and generally the frequency decreased with continued therapy. The most common was nausea (whose incidence may be reduced by gradual dose escalation from 5 μg b.i.d. to 10 μg b.i.d.), vomiting, diarrhoea, headache and hypoglycaemia (almost exclusively in patients treated with a sulphonylurea). Results and conclusions: Exenatide is a new, promising therapeutic option for type 2 diabetic patients inadequately controlled by oral agents, before insulin therapy, offering the added benefits of body weight reduction and tight postprandial glucose control.