Outcomes of patients with therapy-related AML/myelodysplastic syndrome (t-AML/MDS) following hematopoietic cell transplantation
BONE MARROW TRANSPLANTATION(2015)
Abstract
We studied outcomes of 65 consecutive patients with therapy-related AML/myelodyplastic syndrome (t-AML/MDS) who underwent allogeneic hematopoietic cell transplantation (HCT). Previously published scores of HCT-CI, CIBMTR, EBMT and Comorbidity-age index were also evaluated. Median follow-up of survivors was 72 months (range 16–204). At 2 years, overall survival (OS) was 34% (95% confidence interval (CI) 23–45). Nineteen patients (29%) had monosomal karyotype (MK). Patients with MK had an OS of 21% (95% CI 7–41) at 2 years. Abnormal adverse cytogenetics, unrelated donor, bone marrow graft and CIBMTR score were significant risk factors for OS on univariate analysis. On multivariate analysis, abnormal adverse cytogenetics (hazard ratio (HR) 2.7; 95% CI 1.02–7.2; P -value=0.02) and unrelated donor (HR 2.7; 95% CI 1.5–5.0; P -value=0.0013) were independent factors for survival. Non-relapse mortality (NRM) at 2 years was 31% (95% CI 15–47). Donor type was the only factor that was significant for NRM with matched related donors having an NRM of 20% (95% CI 0–42) whereas unrelated donors had NRM of 60% (95% CI 40–80; P -value=0.0007). In conclusion, patients with t-AML/MDS have poor OS. Unrelated donor is a significant risk factor for both higher NRM and decreased OS. Cytogenetics are predictive for OS.
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Key words
Cancer,Haematological cancer,Medicine/Public Health,general,Internal Medicine,Cell Biology,Public Health,Hematology,Stem Cells
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