Prospective Follow-up of a Cohort of Pre-diabetics in the North of France (DiabeNord)

"The study period per patient is 5 years. The planned schedule of the study is as follows :~* Enrollment at visit V0 of subjects at high metabolic risk, based on a biological value (within the past 2 months) of moderate fasting hyperglycaemia (blood glucose ≥ 1,10 g/l and \< 1,26 g/l) or fasting blood glucose ≥ 1 g/l and \< 1,10 g/l with HbA1c ≥ 6,5%.~* First biological sample (B0) within 1 month following V0 (measuring fasting blood glucose + glycated hemoglobin HbA1c + lipid profile + creatinemia + liver function; and establishment of a biological sample collection to identify biomarkers).~* Annual follow-up for five years consisting in one blood sample (B1 to B5) measuring the same parameters as V0 + biological sample collection, and questionnaire on major health events or health events related to study procedures.~* End of study phone call"