Treatment of di Novo Acute Myeloid Leukemia With the Combination of Increasing Doses of Idarubicin, Cytarabine and Sensitization (Priming) With G-CSF. A Phase II Prospective Study of Toxicity and Efficacy.

While several studies have been reported with increasing doses of daunorubicin in the first line treatment of Acute Myeloid Leukemia (AML), there is no similar experience with idarubicin as initial treatment of AML. As idarubicin is the most common treatment used for AML, it is needed to find the optimal dose for the combination of idarubicin, cytarabine and G_CSF, to explore if this combination improves the outcomes of current treatments for AML. The aim of this dose-finding study is to find the optimal dose for the combination of idarubicin, cytarabine and G-CSF that could improve the response rate, reduce relapse and improve survival of patients with primary acute myeloid leukemia. This could be a significant advance in a field where treatment outcomes have stabilized in the last 15 years. This study will be the basis for further prospective, randomized, multicenter trial comparing idarubicin maximum tolerated dose, compared to standard treatment with idarubicin and cytarabine, including raising both arms in G-CSF. The dose of 12 mg/m2 will be administered as control arm in this future randomized study, which will investigate the benefit of enhanced dose identified as optimal in this phase II pilot study.