DUAL I China trial results

Inclusion Criteria: * Informed consent obtained before any trial-related activities. Trial-related activities are any procedures that are carried out as part of the trial, including activities to determine suitability for the trial * Type 2 diabetes mellitus (clinically diagnosed) * Male or female, age at least 18 years at the time of signing informed consent * HbA1c 7.0-10.0 % (both inclusive) by central laboratory analysis, with the aim of a median of8.3%. When approximately 50% of the randomised subjects have an HbA1c above 8.3%, the remaining subjects randomised must have an HbA1c below or equal to 8.3%; or when approximately 50% of the randomised subjects have an HbA1c below or equal to 8.3%, the remaining subjects randomised must have an HbA1c above 8.3% * Current treatment for at least 90 calendar days prior to screening with metformin plus/minus one other OAD: α-glucosidase inhibitors, sulphonylureas, glinides or thiazolidinediones. For above or equal to 60 calendar days prior to screening subjects should be on a stable dose of: * Metformin (above or equal to 1500 mg or max tolerated dose) or * Metformin (above or equal to 1500 mg or max tolerated dose) and sulphonylureas (above or equal to half of the max approved dose according to local label) or * Metformin (above or equal to 1500 mg or max tolerated dose) and glinides (above or equal to half of the max approved dose according to local label) or * Metformin (above or equal to 1500 mg or max tolerated dose) and α-glucosidase inhibitors (above or equal to half of the max approved dose according to local label) or * Metformin (above or equal to 1500 mg or max tolerated dose) and thiazolidinediones (above or equal to half of the max approved dose according to local label) Exclusion Criteria: * Treatment with insulin (except for short-term treatment at the discretion of the investigator) * Treatment with glucagon-like-peptide-1 receptor agonists or dipeptidyl-peptidase-4 inhibitors within 90 days prior to screening * Impaired liver function, defined as alanine aminotransferase above or equal to 2.5 times upper normal range * Impaired renal function defined as serum-creatinine above or equal to 133 μmol/L for males and above or equal to 125 μmol/L for females, or as defined according to local contraindications for metformin * Screening calcitonin above or equal to 50 ng/L * Personal or family history of medullary thyroid carcinoma (MTC) or multiple endocrine neoplasia type 2 (MEN2) * Cardiac disorder defined as: congestive heart failure (NYHA class III-IV), diagnosis of unstable angina pectoris, cerebral stroke and/or myocardial infarction within the last 12 months prior to screening and/or planned coronary, carotid or peripheral artery revascularisation procedures * Severe uncontrolled treated or untreated hypertension (systolic blood pressure above or equal to 180 mmHg or diastolic blood pressure above or equal to 100 mmHg * Proliferative retinopathy or maculopathy (macular oedema),...