Mitoxantrone Active Not Recruiting Phase 1 Trials for Refractory Acute Myeloid Leukemia / Adult Acute Promyelocytic Leukemia With t(15;17)(q22;q12); PML-RARA / Adult Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11 / Alkylating Agent-Related Acute Myeloid Leukemia / Recurrent Adult Acute Myeloid Leukemia / Adult Acute Myeloid Leukemia With t(16;16)(p13.1;q22); CBFB-MYH11 / Adult Acute Myeloid Leukemia With t(9;11)(p22;q23); MLLT3-MLL / Adult Acute Promyelocytic Leukemia With PML-RARA / Adult Acute Myeloid Leukemia With t(9;11)(p22.3;q23.3); MLLT3-KMT2A / Adult Acute Myeloid Leukemia With t(8;21); (q22; q22.1); RUNX1-RUNX1T1 / Adult Acute Myeloid Leukemia With t(8;21)(q22;q22); RUNX1-RUNX1T1 Treatment