A Study of RO6807952 in Patients With Diabetes Mellitus Type 2

Inclusion Criteria: * Adult patients, 18 to 70 years of age, inclusive * Diagnosis of type 2 diabetes \>/=3 months and \</=10 years prior to screening * Fasting plasma glucose \>/=110 mg/dL and \</=240 mg/dL * Patients on a stable dose of metformin for at least 2 months prior to screening * Hemoglobin HbA1c \>/=6.5% and \</=10.5% * Body mass index \>/=25 kg/m2 and \</=42 kg/m2 * Systolic blood pressure \<155 mmHg and diastolic blood pressure \<95 mmHg Exclusion Criteria: * Patients with type 1 diabetes * History of significant renal and hepatic diseases * History of metabolic acidosis and diabetic gastroparesis * History of pancreatitis * History of coagulation disorders or unexplained excessive bleeding * History of clinically significant cardiovascular disease or severe symptomatic hypoglycemia within 6 months of screening