NCT06529731 2025-10-14Interferon-γ (IFN-γ) With Donor Leukocyte Infusion to Treat Relapsed Acute Myeloid Leukemia and Myelodysplastic Syndromes Post Allogeneic Hematopoietic Stem Cell TransplantationUniversity of PittsburghPhase 2 Recruiting45 enrolled