A Research Study to Compare Two Types of Insulin, a New Weekly Insulin, Insulin Icodec and an Available Daily Insulin, Insulin Degludec, in People With Type 2 Diabetes Who Use Daily Insulin

Change in Fasting Plasma Glucose (FPG)

Change in FPG from baseline week 0 to week 26 is presented. The outcome data was evaluated based on the in-trial observation period. In-trial observation period started at randomisation and ended at the date of: The last direct participant-site contact, withdrawal for participants who withdrew their informed consent, the last participant-investigator contact as defined by the investigator for participants who were lost to follow-up (i.e., possibly an unscheduled phone visit) and death for participants who died before any of the above.

Time frame: Baseline (Week 0), Week 26

Percentage of Time in Target-range 3.9-10.0 Millimoles Per Liter (mmol/L) (70-180 Milligrams Per Deciliter [mg/dL]) Using Continuous Glucose Monitoring (CGM) System

The percentage of time in target-range 3.9-10.0 mmol/L (70-180 milligrams per deciliter \[mg/dL\]) using continuous glucose monitoring (CGM) system is presented. Time in target range is defined as 100 times the number of recorded measurements in glycaemic target range 3.9-10.0 mmol/L (70-180 mg/dL), both inclusive, divided by the total number of recorded measurements. The outcome data was evaluated based on the in-trial observation period. In-trial observation period started at randomisation and ended at the date of: The last direct participant-site contact, withdrawal for participants who withdrew their informed consent, the last participant-investigator contact as defined by the investigator for participants who were lost to follow-up (i.e., possibly an unscheduled phone visit) and death for participants who died before any of the above.

Time frame: From week 22 to week 26

Change in Diabetes Treatment Satisfaction Questionnaire (DTSQs) in Total Treatment Satisfaction

Change in DTSQs in total treatment satisfaction from baseline (week 0) to week 26 is presented. The DTSQ domain score in total treatment satisfaction was calculated by adding the six item scores of items 1, 4-8. Higher scores indicate higher levels of treatment satisfaction for items 1, 4 -8. For items 2 and 3 a higher score indicates a participant perceived experience of hyperglycaemia and hypoglycaemia. Lower scores indicate a perception of blood glucose levels being unacceptably high (item 2) or low (item 3). The score has a minimum of 0 and a maximum of 36. The outcome data was evaluated based on in-trial observation period. In-trial observation period started at randomisation and ended at the date of: Last direct participant-site contact, withdrawal for participants who withdrew their informed consent, last participant-investigator contact as defined by the investigator for participants who were lost to follow-up and death for participants who died before any of the above.

Time frame: Baseline (Week 0), Week 26

Number of Severe Hypoglycaemic Episodes (Level 3)

Number of severe hypoglycaemic episodes (level 3) is presented. Severe hypoglycaemia (level 3) is defined as hypoglycaemia with severe cognitive impairment requiring external assistance for recovery. The outcome data was evaluated based on the on-treatment observation period. The on-treatment period started at the date of first dose of trial product as recorded on the electronic case report form (eCRF), and ended at the first date of any of the following: The end of trial visit (V30), the last date on trial product + 5 weeks for once daily insulin and + 6 weeks for once weekly insulin (corresponding to 5 weeks after the end of the dosing interval for both treatment arms) and the end-date for the in-trial observation period. The on-treatment period represented the time period in which a participant was considered exposed to trial product.

Time frame: From baseline (week 0) to week 31

Number of Clinically Significant Hypoglycaemic Episodes (Level 2) (<3.0 mmol/L (54 mg/dL), Confirmed by BG Meter)

Number of clinically significant hypoglycaemic episodes (level 2) (\<3.0 mmol/L (54 mg/dL), confirmed by blood glucose (BG) meter) is presented. Clinically significant hypoglycaemia (level 2) is defined as plasma glucose value of less than (\<) 3.0 mmol/L (54 mg/dL) confirmed by BG meter. The outcome data was evaluated based on the on-treatment observation period. The on-treatment period started at the date of first dose of trial product as recorded on the electronic case report form (eCRF), and ended at the first date of any of the following: The end of trial visit (V30), the last date on trial product + 5 weeks for once daily insulin and + 6 weeks for once weekly insulin (corresponding to 5 weeks after the end of the dosing interval for both treatment arms) and the end-date for the in-trial observation period. The on-treatment period represented the time period in which a participant was considered exposed to trial product.

Time frame: From baseline (week 0) to week 31

Number of Clinically Significant Hypoglycaemic Episodes (Level 2) (<3.0 mmol/L (54 mg/dL), Confirmed by BG Meter) or Severe Hypoglycaemic Episodes (Level 3)

Number of clinically significant hypoglycaemic episodes (level 2) (\<3.0 mmol/L (54 mg/dL), confirmed by blood glucose (BG) meter) or severe hypoglycaemic episodes (level 3) is presented. Clinically significant hypoglycaemia (level 2) is defined as plasma glucose value of \< 3.0 mmol/L (54 mg/dL) confirmed by BG meter. Severe hypoglycaemia (level 3) is defined as hypoglycaemia with severe cognitive impairment requiring external assistance for recovery. The outcome data was evaluated based on the in-trial observation period. The on-treatment period started at the date of first dose of trial product as recorded on the electronic case report form (eCRF), and ended at the first date of any of the following: The end of trial visit (V30), the last date on trial product + 5 weeks for once daily insulin and + 6 weeks for once weekly insulin (corresponding to 5 weeks after the end of the dosing interval for both treatment arms) and the end-date for the in-trial observation period.

Time frame: From baseline (week 0) to week 31

Percentage of Time Spent < 3.0 mmol/L (54 mg/dL) Using Continuous Glucose Monitoring (CGM) System

Percentage of tiime spent \< 3.0 millimoles per liter (mmol/L) (54 mg/dL) using continuous glucose monitoring (CGM) system is presented. The outcome data was evaluated based on the in-trial observation period. In-trial observation period started at randomisation and ended at the date of: The last direct participant-site contact, withdrawal for participants who withdrew their informed consent, the last participant-investigator contact as defined by the investigator for participants who were lost to follow-up (i.e., possibly an unscheduled phone visit) and death for participants who died before any of the above.

Time frame: From week 22 to week 26

Percentage of Time Spent > 10 mmol/L (180 mg/dL) Using Continuous Glucose Monitoring (CGM) System

Percentage of time spent \> 10 millimoles per liter (mmol/L) (180 milligrams per deciliter \[mg/dL\]) using continuous glucose monitoring (CGM) system is presented. The outcome data was evaluated based on the in-trial observation period. In-trial observation period started at randomisation and ended at the date of: The last direct participant-site contact, withdrawal for participants who withdrew their informed consent, the last participant-investigator contact as defined by the investigator for participants who were lost to follow-up (i.e., possibly an unscheduled phone visit) and death for participants who died before any of the above.

Time frame: From week 22 to week 26

Mean Weekly Insulin Dose

Estimated mean weekly insulin dose during the last 2 weeks of treatment (from week 24 to week 26) is presented. The outcome data was evaluated based on the on-treatment observation period. The on-treatment period started at the date of first dose of trial product as recorded on the electronic case report form (eCRF), and ended at the first date of any of the following: The end of trial visit (V30), the last date on trial product + 5 weeks for once daily insulin and + 6 weeks for once weekly insulin (corresponding to 5 weeks after the end of the dosing interval for both treatment arms) and the end-date for the in-trial observation period. The on-treatment period represented the time period in which a participant was considered exposed to trial product.

Time frame: From week 24 to week 26

Change in Body Weight

Change in body weight from baseline week 0 to week 26 is presented. The outcome data was evaluated based on the in-trial observation period. In-trial observation period started at randomisation and ended at the date of: The last direct participant-site contact, withdrawal for participants who withdrew their informed consent, the last participant-investigator contact as defined by the investigator for participants who were lost to follow-up (i.e., possibly an unscheduled phone visit) and death for participants who died before any of the above.

Time frame: Baseline (Week 0), Week 26