Wayne H-H Sheu1, Ira Gantz2, Menghui Chen3, Shailaja Suryawanshi3, Arpana Mirza3, Barry J Goldstein3, Keith D Kaufman3, Samuel S Engel3. 1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan; and College of Medicine, National Defense Medical Center, Taipei, Taiwan. 2. Merck & Co., Inc., Kenilworth, NJ ira.gantz@merck.com. 3. Merck & Co., Inc., Kenilworth, NJ.
Abstract
OBJECTIVE: This study was conducted to determine the optimal dose of omarigliptin, a once-weekly (q.w.) dipeptidyl peptidaseIV (DPP-4) inhibitor, for the treatment of patients with type 2 diabetes and evaluate the long-term safety of that dose. RESEARCH DESIGN AND METHODS: In a multicenter, double-blind, 12-week, dose-range finding study, 685 oral antihyperglycemic agent-naïve or washed-out subjects with type 2 diabetes were randomized to one of five once-weekly doses of omarigliptin (0.25 mg, 1 mg, 3 mg, 10 mg, or 25 mg) or placebo. The primary efficacy end point was change from baseline in HbA1c, and secondary end points were 2-h postmeal glucose (PMG) and fasting plasma glucose (FPG). Analysis included all patients who received at least one dose of the study medication. Subjects who completed the base study were eligible to enter a 66-week extension study. RESULTS: Once-weekly treatment for 12 weeks with omarigliptin provided dose-related reductions in HbA1c, 2-h PMG, and FPG. At week 12, the omarigliptin 25-mg dose provided the greatest glycemic efficacy. The placebo-adjusted least-squares mean reductions from baseline in HbA1c, 2-h PMG, and FPG were -0.72% (-7.8 mmol/mol), -2.5, and -1.3 mmol/L, respectively (all P < 0.001). The incidence of adverse events was similar across dose groups, with a low incidence of symptomatic hypoglycemia and no effect on body weight. Omarigliptin was generally well-tolerated throughout the base and extension studies. CONCLUSIONS:Omarigliptin 25 mg q.w., compared with placebo, provided significant glucose lowering and was generally well tolerated for up to 78 weeks in patients with type 2 diabetes.
RCT Entities:
OBJECTIVE: This study was conducted to determine the optimal dose of omarigliptin, a once-weekly (q.w.) dipeptidyl peptidase IV (DPP-4) inhibitor, for the treatment of patients with type 2 diabetes and evaluate the long-term safety of that dose. RESEARCH DESIGN AND METHODS: In a multicenter, double-blind, 12-week, dose-range finding study, 685 oral antihyperglycemic agent-naïve or washed-out subjects with type 2 diabetes were randomized to one of five once-weekly doses of omarigliptin (0.25 mg, 1 mg, 3 mg, 10 mg, or 25 mg) or placebo. The primary efficacy end point was change from baseline in HbA1c, and secondary end points were 2-h postmeal glucose (PMG) and fasting plasma glucose (FPG). Analysis included all patients who received at least one dose of the study medication. Subjects who completed the base study were eligible to enter a 66-week extension study. RESULTS: Once-weekly treatment for 12 weeks with omarigliptin provided dose-related reductions in HbA1c, 2-h PMG, and FPG. At week 12, the omarigliptin 25-mg dose provided the greatest glycemic efficacy. The placebo-adjusted least-squares mean reductions from baseline in HbA1c, 2-h PMG, and FPG were -0.72% (-7.8 mmol/mol), -2.5, and -1.3 mmol/L, respectively (all P < 0.001). The incidence of adverse events was similar across dose groups, with a low incidence of symptomatic hypoglycemia and no effect on body weight. Omarigliptin was generally well-tolerated throughout the base and extension studies. CONCLUSIONS:Omarigliptin 25 mg q.w., compared with placebo, provided significant glucose lowering and was generally well tolerated for up to 78 weeks in patients with type 2 diabetes.
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