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FLT3-ITD Mutation in Newly Diagnosed Patients with Acute Promyelocytic Leukemia / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1615-1621, 2016.
Article in Chinese | WPRIM | ID: wpr-332640
ABSTRACT
<p><b>OBJECTIVE</b>To evaluate the influence of FLT3-ITD mutation on long term survival of newly diagnosed patients with acute promyelocytic leukemia (APL).</p><p><b>METHODS</b>Long term survival of 170 newly diagnosed APL patients was retrospective analyzed. Mutation rate of FLT3-ITD was assayed, and its influence on disease-free survival(DFS) or overall survival (OS) was analyzed.</p><p><b>RESULTS</b>The mutation rate of FLT3-ITD in newly diagnosed patients with APL was 14.1%. WBC count at diagnosis was higer in FLT3-ITD positive group than that in negative group, and the mutation rate of FLT3-ITD was highest in high risk group. Induction death rate in FLT3-ITD positive and negative group were 12.5% and 2.9%, respectively (P=0.031). Complete remission(CR) rate in 2 groups were 83.3% and 97.1%(P=0.004). The 5-year OS rates in 2 groups were 87.5±6.8% and 90.6±2.6% (P=0.740). The 5-year DFS in 2 groups were 82.8±9.1% and 83.6±3.4%(P=0.928).</p><p><b>CONCLUSION</b>FLT3-ITD mutation is related with high peripheral white blood cell count in APL, the APL with FLT3-ITD mutation has higher induction death rate and lower CR rate than those in that without FLT3-ITD mutation, but FLT3-ITD mutation did not affect on long term DFS and OS.</p>
Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Journal of Experimental Hematology Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Journal of Experimental Hematology Year: 2016 Type: Article