Vildagliptin 100 mg Once Daily vs. Placebo as add-on Therapy in Patients With Type 2 Diabetes Inadequately Controlled With Metformin
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This study will investigate efficacy and safety of vildagliptin in patients with low baseline levels starting at an HbA1C level of 6.5% to support convenient early intervention with combination therapies. In parallel, morning and evening dosing will be evaluated in this patient population for the first time.
A Multicenter, Randomized, Double-blind, Parallel-group Study to Investigate the Glucose Lowering Effect, Safety and Tolerability of 24 Weeks Treatment With Vildagliptin 100 mg o.d. Versus Placebo Followed by a 12 Weeks Treatment Period With Open-label Vildagliptin 100 mg o.d. as add-on Therapy in Patients With Type 2 Diabetes Inadequately Controlled With Metformin
Study Start Date
Primary Completion Date
Study Completion Date
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Ages Eligible for Study:
18 Years to 85 Years (Adult, Senior)
Sexes Eligible for Study:
Male, non-fertile female or female of childbearing potential using a medically approved birth control method
Patients who have received metformin for at least three months prior to visit 1 and have been on a stable dose for a minimum of 8 weeks prior to visit 1
Agreement to maintain the same dose of metformin throughout the study
Age in the range of 18-85 years inclusive.
HbA1c in the range of 6.5 - 8.0% (inclusive) at visit 1
Agreement to maintain prior diet and exercise habits during the full course of the study
Ability to comply with all study requirements and signed informed consent to participate in the study.
Pregnant or lactating female
A history of:
type 1 diabetes, diabetes that is a result of pancreatic injury, or secondary forms of diabetes, e.g. Cushing's syndrome and acromegaly.
acute metabolic diabetic complications such as ketoacidosis or hyperosmolar state (coma) within the past 6 months.
Any of the following significant laboratory abnormalities:
ALT, AST greater than 2 times the upper limit of the normal range at visit 1.
Direct bilirubin greater than the upper limit of the normal range at visit 1.
Serum creatinine levels equal to or greater than 1.5 mg/dL (132 umol/L) males, equal to or greater than 1.4 mg/dL (123 umol/L) females, or a history of abnormal creatinine clearance at visit 1.
Clinically significant TSH values outside of normal range at visit 1.
Clinically significant laboratory abnormalities, confirmed by repeat measurement, other than hyperglycemia, hyperinsulinemia, and glycosuria at visit 1 Treatment with any oral anti-diabetic other than metformin within 3 months prior to visit 1
Other protocol-defined inclusion/exclusion criteria may apply