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Chinese Journal of Hematology ; (12): 523-527, 2017.
Article in Chinese | WPRIM | ID: wpr-808918


Objective@#To explore the efficacies of regimens of three-drug induction therapy (ATRA+ATO+anthracyclines) versus two-drug induction therapy (ATRA+ATO) in patients with acute promyelocytic leukemia (APL).@*Methods@#Of 184 patients diagnosed with APL from January 2009 to March 2016, 58 patients underwent three-drug induction therapy, while the rest were treated with two-drug induction therapy. Three-drug induction therapy was of ATRA (20 mg·m-2·d-1, d1-28) + ATO (0.16 mg·kg-1·d-1, d1-28) + Idarubicin (8 mg·m-2·d-1, d3-5) /daunorubicin (40 mg·m-2·d-1, d3-5) , while two-drug induction therapy ATRA+ATO with the same doses and methods as above. Of 184 cases, 69 cases accompanied with WBC counts>10×109/L, 115 cases with WBC counts≤10×109/L at onset.@*Results@#①Short-term efficacy: After one cycle induction therapy, the rates of hematologic remission, genetic remission, molecular remission and induced differentiation syndrome (DS) in three-drug regimen group were 98.3%, 87.9%, 72.4% and 0 respectively, while those in two-drug regimen group were 87.3%, 65.9%, 51.6% and 12.7% respectively. In patients with WBC >10×109/L, DS rate and early mortality in three-drug regimen group were lower than in two-drug regimen group (0 vs 15.6%, 4.2% vs 15.6%, respectively). In patients with WBC≤10×109/L, DS rate in three-drug regimen group was also lower than in two-drug regimen group (0 vs 12.3%) , but there were no statistical differences in terms of relapse and early mortality. ② Long-term efficacy: The relapse rate, overall survival (OS) and disease free survival (DFS) in three-drug regimen group were 0, 98.5%, 96.6% respectively, while those in two-drug regimen group were 8.6%, 86.5% and 84.1% respectively; the advantages of three-drug over two-drug regimen, especially in cases of WBC >10×109/L were observed. ③ Side effects: the incidences of gastrointestinal reaction, liver dysfunction, myocardial damage and headache in three-drug regimen group hardly increased.@*Conclusion@#The efficacies of three-drug induction therapy were superior to two-drug one.