Healthy volunteers
Not accepted
Inclusion Criteria: - Male or female, age at least 18 years at the time of signing informed consent - Subjects fulfilling at least one of the below criteria: a) Experienced at least one severe hypoglycaemic episode within last year (according to the ADA (American Diabetes Association) definition, April 2013), b) Moderate chronic renal failure, defined as glomerular filtration rate 30 - 59 mL/min/1.73 m\^2 per CKD-Epi (Chronic Kidney Disease Epidemiology Collaboration) by central laboratory analysis, c) Hypoglycaemic symptom unawareness, d) Exposed to insulin for more than 5 years, e) Recent episode of hypoglycaemia (defined by symptoms of hypoglycaemia and/or episode with low glucose measurement (below or equal to 70 mg/dL \[below or equal to 3.9 mmol/L\])) within the last 12 weeks prior to Visit 1 (screening) - Type 2 diabetes mellitus (diagnosed clinically) for at least 26 weeks prior to Visit 1 - Current treatment with any basal insulin (OD or BID) ± any combination of OADs (metformin, DPP-4 inhibitor, alpha-glucosidase inhibitor, thiazolidinediones, and SGLT2-inhibitor) for 26 weeks or longer prior to Visit 1 For subjects on BID the total daily dose should be below 75 units - HbA1c (glycosylated haemoglobin) below or equal to 9.5 % by central laboratory analysis - BMI (body mass index) below or equal to 45 kg/m\^2 Exclusion Criteria: - Treatment with a bolus insulin separately or contained in an insulin mix product within the last 26 weeks prior to Visit 1 - Use of any other anti-diabetic agent(s) than those stated in the inclusion criteria within the last 26 weeks prior to Visit 1
