Author(s): Moretto TJ, Milton DR, Ridge TD, Macconell LA, Okerson T,
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Abstract BACKGROUND: Evaluation of exenatide monotherapy in patients with type 2 diabetes may be of clinical interest based on improvements in glycemic control and weight that have been reported with the use of exenatide in combination with oral antidiabetic agents. OBJECTIVE: The aim of this study was to evaluate the efficacy and tolerability of exenatide monotherapy in patients with type 2 diabetes naive to antidiabetic agents and whose disease was inadequately controlled with diet and exercise alone. METHODS: This 24-week, double-blind, placebo-controlled, parallel-group study was conducted at 23 centers across the United States, Puerto Rico, Romania, Russia, and India. Patients aged >or=18 years with type 2 diabetes were randomly assigned to receive exenatide 5 microg, exenatide 10 microg, or placebo administered SC BID. Patients were instructed by investigators to maintain their individualized prestudy diet and exercise regimens throughout the study. Efficacy measures included: glycosylated hemoglobin (HbA(1c)); fasting serum glucose (FSG); 6-point self-monitored blood glucose; percentages of patients achieving HbA(1c) values or=1 treatment-emergent adverse event. Nausea was reported with the greatest incidence (5 microg, 3\%; 10 microg, 13\%; placebo, 0\%; P = 0.010 for the combined exenatide group vs placebo). Most (88\%) treatment-emergent adverse events were mild or moderate in intensity. Hypoglycemia was reported in 5\%, 4\%, and 1\% of patients in the exenatide 5- and 10-microg and placebo groups, respectively (P = NS), with no incidents of severe hypoglycemia reported. CONCLUSIONS: In these patients with type 2 diabetes naive to treatment with antidiabetic agents, exenatide monotherapy was associated with improved HbA(1c), improved fasting and postprandial glucose control, reduced weight, improved beta-cell function (HOMA-B), and improved blood pressure, and was well tolerated. These results suggest that exenatide monotherapy may provide a viable treatment option beyond diet and exercise and support further study of exenatide monotherapy in antidiabetic drug-naive patients with type 2 diabetes.
This article was published in Clin Ther and referenced in Journal of Developing Drugs