Discontinuation of non-metformin glucose-lowering therapy in adults aged 80 years and older with type 2 diabetes

Randomised, open-label trial of metformin in type 2 diabetes mellitus (T2DM) (2 arms), sponsored by University Medical Center Utrecht. Primary endpoints: Drop-out rate due to hyperglycemic complaints or fasting blood glucose >15 mmol/L, Patient and caretaker problems and positive experiences and 1 more. Planned start Jul 2010; status: withdrawn.