CPI-613 Given With Metformin in Patients With Relapsed or Refractory Acute Myeloid Leukemia (AML)

"For INDUCTION therapy (14 day cycles): Devimistat (CPI-613) 2,500mg/m2, days 1-5, 14-day cycles for cycles 1 and 2 only.~For MAINTENANCE therapy (21 day cycles): Devimistat (CPI-613) 2,500mg/m2, days 1-5, 21-day cycles until progression, intolerable toxicity or withdrawal of consent."

"For INDUCTION therapy (14 day cycles):~Metformin 500 mg daily (taken with meals), days 1-2 for cycle 1 only. Metformin 500 mg twice daily (taken with meals), days 3-14 for cycle 1 only. Metformin 1,000 mg daily (taken with meals), days 1-2 for cycle 2 only. Metformin 1,000 mg twice daily (taken with meals) days 3-4 for cycle 2 only.~For MAINTENANCE therapy (21 day cycles): Metformin 1,000 mg twice daily (taken with meals) days 1-21 until progression, intolerable toxicity or withdrawal of consent"

In the first induction cycle ONLY, extra blood will be withdrawn on day 1 before and after treatment with CPI-613 research purposes. Additional blood draws on days 2-5 to test blood before receiving CPI-613 to make sure participants are healthy enough to receive CPI-613.

After the second induction cycle participants will have a bone marrow biopsy. After this biopsy, participants will have other bone marrow biopsies every 3 months for the next year. After the first year, participants may have a bone marrow biopsy if the treating physician feels it is necessary.