Comparison of Glucose Values and Variability Between TOUJEO and TRESIBA During Continuous Glucose Monitoring in Type 1 Diabetes Patients

Primary Objective: To demonstrate the non-inferiority of insulin glargine 300 units per milliliter (U/ml) in comparison to insulin degludec 100 U/ml on glycemic control and variability in participants with diabetes mellitus. Secondary Objective: To evaluate the glycemic control and variability parameters in each treatment group at Week 12 using Continuous Glucose Monitoring. To evaluate the safety of insulin glargine 300 U/ml in comparison to insulin degludec 100 U/ml.