This phase III trial is trying to determine how safe and effective the drug Uproleselan is, when given in combination with chemotherapy, in the treatment of Acute Myeloid Leukaemia that has got worse or not responded to prior therapyA Phase III Randomized, Double-Blind Trial to Evaluate the Efficacy of Uproleselan Administered With Chemotherapy Versus Chemotherapy Alone in Patients With Relapsed/Refractory Acute Myeloid Leukemia

Exclusion

• Patients with acute promyelocytic leukemia, acute leukemia of ambiguous lineage (biphenotypic leukemia), chronic myeloid leukemia with myeloid blast crisis, or secondary refractory AML.
• Active signs or symptoms of CNS involvement by malignancy.
• Stem cell transplantation ≤4 months prior to dosing.
• Any immunotherapy or radiotherapy therapy within 28 days of dosing; any other experimental therapy or chemotherapy within 14 days of dosing.
• Prior use of G-CSF, CM-CSF or plerixafor within 7 days of dosing.
• Inadequate organ function.
• Abnormal liver function.
• Known active infection with hepatitis A, B, or C, or human immunodeficiency virus.
• Moderate kidney dysfunction (glomerular filtration rate <45 mL/min).
• Uncontrolled acute life-threatening bacterial, viral, or fungal infection.
• Clinically significant cardiovascular disease.
• Major surgery within 4 weeks of dosing.