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1.
Int J Lab Hematol ; 2024 Jun 14.
Article in English | MEDLINE | ID: mdl-38874282

ABSTRACT

INTRODUCTION: In recent years, the correlation between CD117 antigen and the prognosis of hematological malignancies has been demonstrated. However, there is limited literature on the clinical significance of CD117 antigen in acute promyelocytic leukemia (APL). The aim of this study was to retrospectively analyze the clinical features and prognostic significance of CD117 in APL. METHODS: In this study, we retrospectively investigated the clinicopathological characteristics, outcome, and prognostic impact of negative CD117 expression (CD117-) in 169 APL patients treated with all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) containing regimen. RESULTS: The median follow-up period was 63.0 months. CD117- was detected in 13 APL patients (7.7%). No significant differences were found in baseline characteristics between CD117+ and CD117- subgroups. However, compared to CD117+ APL, the incidence of early death (ED) was significantly higher in CD117- APL (p = 0.023). By multivariate analysis, CD117- was an independent adverse prognostic factor for overall survival (OS) and progression-free survival (PFS) (p = 0.022 and p = 0.014, respectively). CONCLUSIONS: To sum up, CD117- is associated with greater risk of ED and has the statistical power to predict inferior OS and PFS, this marker may be considered to build prognostic scores for risk-adapted therapeutic strategies in APL management.

2.
Cancer Med ; 12(17): 17766-17775, 2023 09.
Article in English | MEDLINE | ID: mdl-37584196

ABSTRACT

BACKGROUND: The innovative combination of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) has established a new chapter of curative approach in acute promyelocytic leukemia (APL). The disease characteristics and prognostic influence of additional cytogenetic abnormalities (ACA) in APL with modern therapeutic strategy need to be elucidated. METHODS: In the present study, we retrospectively investigated disease features and prognostic power of ACA in 171 APL patients treated with ATRA-ATO-containing regimens. RESULTS: Patients with ACA had markedly decreased hemoglobin levels than that without ACA (p = 0.021). Risk stratification in the ACA group was significantly worse than that in the non-ACA group (p = 0.032). With a median follow-up period of 62.0 months, worse event-free survival (EFS) was demonstrated in patients harboring ACA. Multivariate analysis showed that ACA was an independent adverse factor for EFS (p = 0.033). By further subgroup analysis, in CD34 and CD56 negative APL, patients harboring ACA had inferior EFS (p = 0.017; p = 0.037). CONCLUSIONS: To sum up, ACA remains the independent prognostic value for EFS, we should build risk-adapted therapeutic strategies in the long-term management of APL when such abnormalities are detected.


Subject(s)
Arsenicals , Leukemia, Promyelocytic, Acute , Humans , Leukemia, Promyelocytic, Acute/diagnosis , Leukemia, Promyelocytic, Acute/drug therapy , Leukemia, Promyelocytic, Acute/genetics , Progression-Free Survival , Retrospective Studies , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Tretinoin/therapeutic use , Chromosome Aberrations , Oxides/therapeutic use , Arsenicals/therapeutic use , Treatment Outcome
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