RecruitingPhase 1Drug trialBXCL701 Phase 1 R/R Acute Myeloid Leukemia or Myelodysplastic SyndromeThe goal of this research study is to find the safest and most effective dose of the study drug, BXCL701, for the treatment of Acute Myeloid Leukemia (AML) or Myelodysplastic Syndrome (MDS). The names of the study drugs involved in this study are/is: * BXCL701