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pubmed: Eur J Hem[jour]



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Prognostic relevance of oxidative stress measurement In chronic lymphocytic leukemia.

Prognostic relevance of oxidative stress measurement In chronic lymphocytic leukemia.

Eur J Haematol. 2017 Jun 24;:

Authors: D'Arena G, Vitale C, Perbellini O, Coscia M, La Rocca F, Ruggieri V, Visco C, Di Minno MND, Innocenti I, Pizza V, Deaglio S, Di Minno G, Giudice A, Calapai G, Musto P, Laurenti L, Iorio EL

Abstract
OBJECTIVE: To evaluate the prognostic significance of oxidative stress (OS) and antioxidant defense status measurement in patients with chronic lymphocytic leukemia (CLL).
METHOD: d-ROMs test and BAP test were evaluated at diagnosis of 165 patients with CLL and correlated with clinical-biological features and prognosis.
RESULTS: An increased oxidative damage (d-ROMs test) and a reduced antioxidant potential (BAP test), were found in CLL patients than normal controls (p <0.0001). CLL patients with higher d-ROMs values had higher number of circulating white blood cells and lymphocytes, and higher values of β2 -microglobulin. Higher d-ROMs values were found in female (p=0.0003), in patients with unmutated IgVH (p=0.04), unfavourable cytogenetics (p=0.002), and more advanced clinical stage (p=0.002). Higher BAP test values were found in patients expressing CD49d (p=0.01) and with more advanced clinical stage (p=0.004). At a median follow-up of 48 months, CLL patients with d-ROMs ≥418 CARR U were found to have a shorter time to first treatment (TFT) (p=0.0002), and a reduced survival (p=0.006) than others. CLL patients with BAP test values ≥2,155 μΜ had a shorter TFT (p 0.008) and a shorter survival (p 0.003).
CONCLUSION: OS can affect CLL patients by concomitantly increasing reactive oxygen metabolites production and decreasing antioxidant defences. This article is protected by copyright. All rights reserved.

PMID: 28646624 [PubMed - as supplied by publisher]