This study is a randomized trial that evaluates the effect of metformin addition or not to standard care on the duration of diabetes remission after bariatric surgery.
Adults 18-70 years old
Having undergone gastric bypass or sleeve gastrectomy 12 to 36 +/-3 months before inclusion
"ex-T2D" treated with at least one anti-diabetic drug before bariatric surgery or HbA1c ≥ 6.5 % before bariatric surgery
HbA1C < 6.5 % at inclusion with no anti-hyperglycemic medications for the last three months
Known type 1 diabetes
Pregnancy and breastfeeding
Estimated glomerular filtration rate<44 ml/min (MDRD)
Known intolerance to metformin
Assistance Publique - Hôpitaux de Paris
Lead sponsor
Ministry of Health, France
Collaborator