Clinical Research Directory

Inclusion Criteria: * Adults (age ≥ 18 years). * Diagnosed with type 2 diabetes according to national (HAS) criteria, whether newly diagnosed or longstanding, with or without chronic complications, and with no restriction regarding HbA1c level. Managed for type 2 diabetes in the endocrinology department of Nice University Hospital (conventional hospitalization, day hospital, or outpatient consultation). * Able to understand the study information and to complete the self-administered questionnaires. * Affiliated to the French social security system. * Has not objected to participation in the study (non-opposition procedure). Exclusion Criteria: * Age \< 18 years. * Pregnant woman. * Any type of diabetes other than type 2 diabetes (e.g. type 1 diabetes, secondary or genetic diabetes). * Haemochromatosis. * Cystic fibrosis. * Current treatment with one of the following hyperglycaemic therapies: oral corticosteroids, immunosuppressive drugs, dopaminergic agonists, interferon-alpha, or protease inhibitors. * History of partial or total pancreatectomy. * Ongoing genetic work-up for atypical diabetes. * Non-French-speaking patient. * Major neurocognitive disorder or physical/mental disability preventing completion of the questionnaires. * Adult under legal protection (guardianship or curatorship). * Refusal or subsequent withdrawal of non-opposition. * Any later paraclinical result finally revealing a type of diabetes other than type 2 diabetes.