In type 2 diabetics, progression from chronic kidney disease to end stage renal disease may be slowed down by therapeutic interventions as angiotensin converting enzyme inhibitors use, control of high blood pressure and proteinuria, control of hyperglycaemia, protein intake restriction, smoking cessation.

Correcting anaemia in these patients may prevent impairment of renal function. International guidelines indicate that haemoglobin level has to be of 110 g/L in these patients. We conduct an interventional randomized trial to evaluate the potential benefit of an haemoglobin level of 130 g/L in patients with type 2 diabetes and with a chronic kidney disease defined by a Cockcroft's creatinine clearance of 25 - 60 ml/min.

Inclusion Criteria:

Type 2 diabetes. Age between 18 and 80 years, male or female. Cockcroft's clearance between 25 and 60 ml / min. Haemoglobin level superior to 100 g/L and strictly inferior to 130 g/L

Exclusion Criteria:

Malignancy Solid organ transplant Acute pathology in the two months before inclusion date Myocardial infarction, stroke, pulmonary embolism in the six months before inclusion date Contra-indication to martial treatment or EPO treatment Present inclusion in another clinical study Patient who cannot answer questions of SF36 questionnaire