Baseline LVEF decreased from 65.3±0.5 to 64.3±0.6 at cycle 4 of the DOX treatment (p=0.549) and to 63.8±0.9 (p=0.053) after 12 months (Figure 1 ) with a tendency toward significance.
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Circulating miR-1 as a potential biomarker of doxorubicin-induced cardiotoxicity in breast cancer patients.
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This reduction in LVEF did not reach statistical significance, probably due to the small sample size, but it was consistent with the reduction of similar magnitude (2.6%) observed in the recent PRADA trial [ 22 ].