Anemia and iron biomarkers in patients with early breast cancer. Diagnostic value of hepcidin and soluble transferrin receptor quantification1)

Autor: Marian Gutowski, Simon Thezenas, Anna Durigova, Pierre-Jean Lamy, William Jacot, Stéphane Pouderoux, Frédéric Montels, Gilles Romieu
Rok vydání: 2013
Předmět:
Zdroj: Clinical Chemistry and Laboratory Medicine. 51
ISSN: 1437-4331
1434-6621
Popis: Background: Anemia, a frequent and deleterious condi­ tion in patients with cancer, is mainly caused by chemo­ therapy toxicity, iron deficiency, or inflammation. We evaluated the baseline iron metabolism biomarkers and their association with anemia occurrence during chemo­ therapy in patients with early breast cancer (EBC). Methods: In this monocentric retrospective study, clas­ sical iron metabolism markers and new biomarkers as well as sTfR and hepcidin were assessed at baseline in 347 patients with EBC who received a sequential taxane and anthracycline­based regimen between April 2007 and October 2009. Hemoglobin level was measured every 21 days. Results: Thirty­five patients had baseline iron deficiency and 13 inflammatory iron sequestration. In multivariate analysis, only high sTfR (OR = 27.6, p < 0.001, 95% CI 8.74– 87) and pre­menopausal status (OR = 7.3, 95% CI 0.04–0.43, p = 0.001) remained statistically associated with iron deficiency. High hepcidin values and inflammatory iron sequestration were significantly associated (p = 0.032). In total 6.1% patients had baseline anemia and 86.2% patients developed anemia during chemotherapy (41 had grade ≥ 2 anemia). Baseline hemoglobin below 13 g/dL and low hepcidin levels were the two independent predic­ tive factors of severe anemia. Conclusions: In early breast cancer treated by chemo­ therapy, only baseline hemoglobin and hepcidin levels are independent predictive factors of anemic syndrome occurrence.
Databáze: OpenAIRE