Allogeneic iNKT Cell Therapy (agenT-797) After SCT

Inclusion Criteria:

* Age ≥18 years at the time of consent
* Adult patients anticipated to get an allogeneic hematopoietic cell transplantation (allo-SCT)
* All donor types are accepted (MMUD \[mismatched unrelated donor\], MUD \[matched unrelated donor\], MSD \[matched sibling donor\], haploidentical)
* All conditioning regimens will be accepted (MAC \[myeloablative conditioning\], RIC \[reduced-intensity conditioning\], NMAC \[non-myeloablative conditioning\])
* Karnofsky Performance Scale (KPS) \> 70
* Eligible Diagnoses:

  * Acute myeloid leukemia (AML) with intermediate/high-risk features or relapsed disease
  * Chronic myeloid leukemia (CML) in accelerated or blast phases
  * Myelodysplastic syndrome (MDS) with intermediate/high-risk features
  * Acute lymphoblastic leukemia (ALL) with high-risk features or relapsed disease
  * or any patients undergoing allogeneic stem cell transplant (allo-SCT) as standard of care could be eligible

Exclusion Criteria:

* Excluded Diagnoses: Primary Myelofibrosis in the dose escalation phase and could be included in the dose-expansion phase