Transplant-Related Mortality in Patients Undergoing a Peripheral Blood Stem Cell Transplantation or an Umbilical Cord Blood Transplantation

Inclusion Criteria:

Any of the following hematologic malignancies:

Acute myeloid leukemia (AML) in remission at the time of the transplantation
Acute lymphoblastic leukemia (ALL) in remission at the time of the transplantation
Myelodysplastic syndrome (MDS)

Patient received any of the following transplantations:

Allogeneic T-cell depleted HSCT without ATIR administration from a haploidentical donor between 1 January 2006 and 30 June 2013 (HAPLO group)
Allogeneic HSCT from a fully matched or 1-locus mismatched unrelated donor between 1 January 2010 and 31 December 2012 (MUD/MMUD groups)
Double umbilical cord blood transplantation between 1 January 2010 and 31 December 2012 with no more than 2 human leukocyte antigen (HLA)-mismatches at HLA-A, B, and/or -DR between each of the units and the recipient (UCB group)
Male or female, age ≥ 18, ≤ 65 years.

Exclusion Criteria:

Allogeneic stem cell transplantation prior to the transplantation qualifying for the study.