Specificities of Atypical Non AutoImmune Diabetes (ANAID) in the French West Indies

Inclusion Criteria: Phenotypic criteria : Subjects from Indian or African Ancestry self-declared Age criteria at diagnosis: Early onset of diabetes: patient aged between 18 and 47 years at the time of diagnosis of diabetes Clinical criteria: at least 2 criteria Labeled type 2 diabetic Patient hospitalized for: Ketoacid decompensation Significant weight loss (more than 10% in less than 6 months) without obvious etiology Lipodystrophic / lipoatrophic appearance Presence of an associated myopathy or deafness Presence of early inaugural nephropathy or within 3 years after diagnosis Presence of early inaugural heart disease or within 3 years after diagnosis Poor response to non-insulin treatments despite good adherence Biological criteria: Absent T1D autoantibodies: Anti-islet antibodies (ICA) Anti-IA2 antibodies Anti-insulin antibodies Anti-ZnT8 antibodies Anti-GAD antibodies Other criteria: Informed consent signed by the patient Exclusion Criteria: Type 1 diabetes (T1D) Presence of T1D antibodies Secondary diabetes (pancreas diseases, endocrine diseases, drug intake, infection) Other associated autoimmune pathologies Pregnancy Refusal to participate