Study to Determine the Efficacy of Uproleselan (GMI-1271) in Combination With Chemotherapy to Treat Relapsed/Refractory Acute Myeloid Leukemia

Inclusion Criteria:

* ≥18 years and ≤75 years in age
* Patients with relapsed or refractory AML
* No more than one prior stem cell transplant
* Has not received the chemotherapy regimen to be used for induction on this trial
* Is considered medically eligible to receive the chemotherapy regimen to be used for induction on this trial

Exclusion Criteria:

* 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.