A Study to Evaluate the Pharmacokinetics, Safety,and Efficacy of Omacetaxine Given Subcutaneously as a Fixed Dose in Patients With Chronic Phase (CP) or Accelerated Phase (AP) Chronic Myeloid Leukemia (CML) (Referred to as the SYNSINCT Study)

To satisfy a postmarketing requirement, the sponsor has been requested to conduct a Phase 1/Phase 2 single-group clinical study to investigate the pharmacokinetics and preliminary safety and efficacy of omacetaxine following a fixed-dose administration to patients with CP or AP CML who have failed 2 or more tyrosine kinase inhibitor (TKI) therapies.