Objective: The aim of this study is to evaluate the endogenous erythropoietin production in cancer patients with anemia.
Methods: Our prospective study interested 99 cancer patients with anemia from 17 to 80 years old, during the period going from March 2002 to December 2004, and 31 healthy individuals with anemia caused by iron deficiency. A blood sample was collected from each patient, as well as healthy individuals to measure serum erythropoietin, C reactive protein and ferritin.
Results: The increase of serum erythropoietin was significantly lower in patients than in healthy individuals (P < 0.05). 25.2% of our cancer patients have inflammatory anemia and 74.7% presented microcytic anemia associated with increase of serum ferririn and CRP. These values were significantly higher than in healthy individuals (p < 0.05).
Conclusion: Anemia in cancer patients results from activation of inflammatory system, which inhibit erythropoietin production. Apart from etiologic treatments, anemia can be treated with recombinant human erythropoietin.
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