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This study explores the role of high-throughput whole genome sequencing in the diagnosis and care of people with atypical diabetes. It enrolls patients aged 18 and older who were diagnosed with diabetes before age 45, meet certain criteria, and show atypical diabetes features. Run by INSERM (France), this study does not use clinical phases and is currently recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: * Subjects ≥18 years with confirmed diabetes mellitus according to WHO criteria (World Health Organization: Definition and diagnosis of diabetes mellitus and intermediate hyperglycemia: Report of a WHO/IDF Consultation. Geneva, World Health Org., 2006.) * Age ≤ 45 years at diabetes diagnosis * Body mass index ≤ 35 kg/m² at diabetes diagnosis * Negative results of specific antibodies determination (GAD65, IA2, ZnT8) until the inclusion visit * Presenting atypical diabetes defined by at least one of the following: * Exocrine pancreatic disease * Familial history: diabetes diagnosed in a parent, child or sibling * Notion of familial consanguinity * Syndromic clinical features (dysmorphy, developmental delay, mental retardation…) or unusual abnormalities/features that are not part of diabetic complications or co-morbidities; * Early occurrence of microvascular complications (≤ 5 years after diabetes diagnosis) * Major insulinopenia at diagnosis (C peptide \< 0.2 nmol/L and/or documented ketosis) * Patient who conserved endogenous insulin secretion (positive C peptide value) but a need for insulin therapy initiation during the first year following diagnosis due to therapeutic failure of well conducted therapeutic intensification * Stated willingness to comply with all study procedures and availability for the duration of the study * Patient with a social security number in compliance with the French law (dispositions relatives aux recherches impliquant la personne humaine prévues aux articles L 1121-1 et suivants du Code de la Santé Publique) * Signed and dated informed consent form Exclusion Criteria: * Pregnant or breastfeeding woman, * Any contraindication to the study exams including known allergies or contraindication to contrasts for the scan * Patient with known monogenic diabetes (defined as identification of class 4 and 5 variants according to ACMG) * First or second-degree relatives with monogenic diabetes established by molecular genetics (class 4 and 5 variants according to ACMG) * Patient with known secondary diabetes (i.e. endocrine disorders such as Cushing syndrome, pancreatectomy, drug-induced diabetes) * Patient who had a bone marrow transplant * Any condition which in the Investigator's opinion makes it undesirable for the subject to participate in the trial or which would jeopardize compliance with the protocol, * Individuals under legal protection (sauvegarde de justice).