Sponsor decision

The purpose of this study is to look at the blood sugar control in participants with type 2 diabetes previously treated with premix insulins and initiating treatment with IDegLira. Participants will get IDegLira as prescribed by study doctor regardless of participant's decision to participate in the study. Decision to initiate treatment with IDegLira will be made by study doctor independent from the study. The study will last for about 36 weeks. Participants will be asked questions about their health and diabetes treatment and lab tests as part of their normal doctor's appointment.

Inclusion Criteria:

• Signed consent obtained before any study-related activities (study-related activities are any procedure related to recording of data according to the protocol).
• Male or female patients aged greater than or equal to (>=) 18 years at the time of signing informed consent.
• Patients diagnosed with T2D and receiving treatment with premix insulin for at least 12 weeks (3 months) based on local clinical guidelines.
• Switched to treatment with IDegLira from previous treatment of premix insulins. The decision to initiate treatment with IDegLira must be independently from the decision to enrol in the study.
• Available and documented HbA1c collected within 12 weeks prior to initiation of IDegLira.

Exclusion Criteria:

• Previous participation in this study. Participation is defined as having given informed consent in this study.
• Participation in any other T2D clinical trial of an approved or non-approved investigational medicinal product within 30 days prior to initiation of IDegLira.
• Previous treatment with IDegLira.
• Patients diagnosed with Type 1 diabetes mellitus.
• Female who is known to be pregnant, breastfeeding or intends to become pregnant during the conduct of the study.
• Mental incapacity, unwillingness or language barriers precluding adequate understanding or cooperation.
• Known or suspected hypersensitivity to the active substance or to any of the excipients as specified in the IDegLira label in Croatia.

Participants with Type 2 Diabetes.

According to the Novo Nordisk disclosure commitment on novonordisk-trials.com.