Correction of Anaemia and Progression of Renal Failure on Transplanted Patients

Inclusion Criteria: * Adults male or female of 18 years male or female sex to 70 years * Patients having profited from one 1st or one the 2nd transplantation * Patients transplanted since more than 1 year and less than 20 years. * Patients having a CDG defined by a clearance of creatinin, lower than 50 ml/mn/1,73 m2 (according to Gault and Cockcroft) and whose renal function is stable over the last 3 months (variation of Scr of less than 20% over the last 3 months) * Patients presenting an anaemia: Hb lower than 11.5 g/dl * No deficiency out of iron: Saturation of the transferrin \> 20% and ironnemia \> 50 mg/l at the time of the screening visit * Patients having given their written consent Exclusion Criteria: * Major forms of drepanocytosis or thalassaemia * Iron Deficit (CST \< 20% or ferritin \< 50 mg/l) * Haemolysis (haptoglobin \< 0,30 g/l) * Severe renal insufficiency: Clcr \< 20 ml/min/1,73 m2 * Severe Hyperparathyroidy (serum PTH \> 800 pg/ml) * Evolutionary chronic inflammatory Disease (CRP \> 15 mg/l) * Acute or chronic infectious disease * Evolutionary neoplasic Disease * Infection by the HIV and viral cirrhosis * Recent Antecedents of MI or AIT (\< 3 months) * Severe Arteritis of the lower limbs (Stage III or IV) * Acute Rejection requiring a treatment in the 3 previous months * Blood Transfusion on the last 3 months * Evolutionary GI Ulcer on the last 3 months * Severe Arterial HyperTension not controlled by medicamentous treatment (NOT \> 170 mm Hg or PAD \> …