Evaluation of Iron Supplementation During Darbepoetin Alfa Treatment in Prophylaxis of Severe Anaemia Chemo-Induced

Inclusion Criteria: * Age ≥ 18 years * Well-informed written consent, signed by the patient * Patient picked up for solid tumor treatment, whichever the localization, with or without metastasis * Patient revealing, before or during chemotherapy, a moderate anemia, that means: Men: 9\<Hb\<12 g/dl; Women: 9\<Hb\<11 g/dl. * Patient for who at least four chemotherapy cycles are planed (eight in case of weekly chemotherapy) after inclusion in the study * Patients with life expectancy higher than three months * Patient with general conditions compatible with the study's follow-up Exclusion Criteria: * Contra-indication for Venofer * Anemia which can have curative treatment * Bloody transfusion during the previous four weeks * Documented or suspected medullary invasion * Uncontrolled arterial hypertension * Acute bacterial infection * Transferrin saturation's coefficient * Pregnancy * Ferric salts oral treatment interrupted since less than one week * Patient with bad french language's comprehension * Patient with a major psychiatric pathology * Patient under guardianship, trusteeship or justice safeguard