A Phase 1/2, Open-Label, Dose-Escalation, Dose-Expansion Study of Enzomenib (DSP-5336) in Patients With Acute Leukemia and Other Selected Hematologic Malignancies, With and Without Mixed Lineage Leukemia (MLL) Rearrangement or Nucleophosmin 1 (NPM1) Mutation (Horizen-1)

DSP-5336-101 is a phase 1/2 open-label, dose escalation, dose expansion study in which the safety, PK, pharmacodynamics, and clinical activity of orally administered DSP-5336 will be evaluated in patients with relapsed or refractory AML, ALL, or acute leukemia of ambiguous lineage, and in selected sites and regions, in adult patients with high-risk relapsed or refractory MDS or relapsed MM. Additionally, the safety and clinical activity of orally administered DSP-5336 will be evaluated in combination with Standard-of-Care (SOC) AML treatments including: (a) the SOC nonintensive regimen (venet…