Study to Optimize Insulin Treatment by Basal Regimen With Insulin Glargine in Type-2-Diabetic Patients Previously Uncontrolled on Premixed Insulin

Inclusion Criteria: * Patients with Type 2 Diabetes Mellitus inadequately controlled at least 3 months on premixed insulin with 1 or 2 OADs * 7.5 ≤ HbA1c ≤ 9.5% * FPG ≥6.7 mmol/L * History of Diabetes mellitus ≤10 years * Premix insulin daily dosage ≤ 50 IU/Day Exclusion Criteria: * Type 1 Diabetes Mellitus * Former treated on TZD * Pregnancy / Lactation * Creatine ≥1.5 mg/dl * Hepatic disease, jaundice,or ALT/AST≥ 2.5 times of normal range * Hormone therapy, * Acute status of Diabetes complications * Severe concomitant disease or complications with high risk of unexpected fatal events, like Myocardial Infarct, stroke, heart failure. * Allergic to insulin glargine or any ingredient * Participation in another clinical trial within 3 months The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.