Epigenetic modifier gene mutations‐positive AML patients with intermediate‐risk karyotypes benefit from decitabine with CAG regimen

2019 
It remains unclear whether there is a relationship between therapeutic effects of hypomethylating agents (HMAs) and epigenetic modifier gene mutations (EMMs) in patients with cytogenetically intermediate-risk acute myeloid leukemia (IR-AML). Based on targeted-capture sequencing, we retrospectively analyzed the correlation between EMMs and prognosis in 83 IR-AML patients treated with decitabine in combination with cytarabine, aclarubicin hydrochloride and granulocyte colony-stimulating factor (DCAG, n = 35) or "7 + 3" induction regimens (n = 48). In the multivariate analyses, EMM (+) patients did not show any statistically significant difference in remission rates from EMM (-) patients in the DCAG group (p > 0.05), but achieved inferior complete remission (CR; p = 0.03) and overall remission rates (ORR; p = 0.04) after the first course of standard induction regimens (p 0.40), whereas patients who received only standard regimens had the worst survival rate (0.0%, p < 0.01). It can be concluded that the EMMs might be regarded as the potentially predictive biomarkers of better response to DCAG in IR-AML patients.
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