Effect and Safety of Liraglutide 3.0 mg in Subjects With Overweight or Obesity and Type 2 Diabetes Mellitus Treated With Basal Insulin

This trial is conducted globally. The aim of this trial is to investigate effect and safety of liraglutide 3.0 mg in subjects with overweight or obesity and type 2 diabetes mellitus treated with basal insulin.

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 - Diagnosed with type 2 diabetes mellitus - Treatment with up to 2 OADs (oral anti-diabetic) (metformin, glitazone, SGLT-2 inhibitor (sodium-glucose cotransporter-2 inhibitors) or sulphonylurea) - Stable treatment with basal insulin according to its label (no requirement of minimum or maximum dose) for at least 90 days prior to screening, as judged by the investigator - HbA1c (glycosylated haemoglobin) 6.0-10.0% (both inclusive) - BMI (body mass index) equal to or above 27 kg/m^2 - Age at least 18 years at the time of signing informed consent Exclusion Criteria: - Diagnosis of type 1 diabetes - Known hypoglycaemic unawareness as indicated by the investigator according to Clarke's questionnaire question 8 (see Section 8.2.3) - Recurrent severe hypoglycaemic episodes within the last year as judged by the investigator - Unable or unwilling to perform self-monitoring of plasma glucose according to the protocol and to keep a diabetes diary - Treatment with any hypoglycaemic medications other than OADs and basal insulin within the past 90 days prior to screening - Treatment with a DPP-IV (dipeptidyl peptidase-4) inhibitor within the past 90 days prior to screening - Recent history of cardiovascular disease (myocardial infarction or stroke within the past 6 months), severe congestive heart failure (NYHA class III, IV), or second degree or greater heart block - Personal or family history of Medullary Thyroid Carcinoma (MTC) or Multiple Endocrine Neoplasia type 2 (MEN2) - Female who is pregnant, breast-feeding or intends to become pregnant or is of child-bearing potential and not using an adequate contraceptive method (adequate contraceptive measure as required by local regulation or practice) - For Germany: Only highly effective methods of birth control are accepted (i.e. one that results in less than 1% per year failure rate when used consistently and correctly such as implants, injectables, combined oral contraceptives, some intrauterine device), or sexual abstinence or vasectomised partner - Use in past 90 days of medications known to induce significant weight loss (e.g., prescription weight loss medications) or weight gain (e.g., chronic use of oral steroids, second generation antipsychotics) - History of pancreatitis (acute or chronic) - History of major depressive disorder within the past 2 years - Any lifetime history of a suicide attempt - Inadequately treated blood pressure defined as Grade 3 hypertension or higher (Systolic above or equal to 180 mmHg or diastolic above or equal to110 mmHg). - History of malignancy (except for non-melanoma skin cancer) within the past 5 years