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Allogeneic hematopoietic stem cell transplantation for intermediate cytogenetic risk acute myeloid leukemia / 中国组织工程研究
Article in Chinese | WPRIM | ID: wpr-514941
Responsible library: WPRO
ABSTRACT

BACKGROUND:

Previous studies have shown that HLA-identical sibling allogeneic peripheral blood hematopoietic stemcelltransplantation (allo-HSCT) provides higher disease-free and overall survival rates for patients with intermediatecytogenetic risk acute myeloid leukemia (AML) in complete remission (CR). But prognosis factors have not been fullydefined.

OBJECTIVE:

To evaluate the outcome of patients with intermediate cytogenetic risk AML undergoing HLA-matchedallo-HSCT in CR, and to analyze the prognostic factors.

METHODS:

Fifty cases of intermediate cytogenetic risk AML in CR receiving HLA-matched allo-HSCT from January2009 to January 2015 were retrospectively analyzed. Primary outcome measures of the study included overall survival(OS), relapse rate and non-relapse mortality.RESULTS AND

CONCLUSION:

The 4-year OS of the study population reached to 64%, and the relapse rate and NRMreached to 18% and 20% respectively. Incidence of acute graft-versus-host disease was 26%. Different prognosis wasobserved between female donor/male recipient (FDMR) combination transplant and control (4-year OS 50% vs. 71.9%,P=0.041), between patients requiring more than one course of induction chemotherapy to achieve CR and control(4-year OS 40% vs. 70%, P=0.038), between older age (≥ 40 years) and control (4-year OS 44.4% vs. 68.3%,P=0.056). The 4-year OS for matched sibling donor and matched unrelated donor was 63.2% and 66.7% (P=0.427),respectively. Further analysis revealed significantly high non-relapse mortality in FDMR combination transplant (P=0.024)and older age (≥ 40 years; P=0.043). Multivariate analysis revealed three negative prognostic factors FDMRcombination (P=0.031, RR=1.38, 95% CI 1.03-1.95), requiring more than one course of induction chemotherapy toachieve CR (P=0.016, RR=1.46, 95% CI 1.10-1.98) and older age (≥ 40 years; P=0.024, RR=1.63, 95% CI 1.32-2.12).To conclude, HLA-matched allo-HSCT is a choice for the intermediate cytogenetic risk AML case in CR. FDMRcombination, requiring more than one course of induction chemotherapy to achieve CR and older age (≥ 40 years) areconfirmed as risk factors of poor prognosis for HLA-matched allo-HSCT patients with intermediate cytogenetic risk AMLin CR. To these cases, the donor-recipient sex combination is more important than the donor type in donor selection.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2017 Type: Article
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2017 Type: Article