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Updated: Aug 16, 2026

Murine Model of Leukemia Relapse to Induction Chemotherapy for Acute Lymphoblastic Leukemia
Published on: October 17, 2025
[Treatment of refractory and relapsed acute lymphocytic leukemia in adults]
Li Bao1, Bin Jiang, Xiao-jun Huang
1Institute of Hematology, Peking University People's Hospital, Beijing 100044, China.
Objective:
To analyze on the efficacy and toxicity of fludarabine and teniposide + mitoxantrone (MIT) regimens on treating refractory and relapsed acute lymphocytic leukemia in adult patients.
Methods:
Teniposide 100 mg/d, 5-7 d, MIT 10 mg/d, 2 d and fludarabine regimens [Flu 30 mg/(m(2) . d), 3- 5 d, Cytarabine (Ara-c )1-2 g/(m(2) . d), 5 d; Flu 50 mg/d, 5 d, Ara-c 200 mg/d, 5 d, MIT 4 mg/d, 4 d] were used to treat 42 cases of adults with refractory and relapsed acute lymphocytic leukemia(ALL). G-CSF 5 microg/(kg . d) were used when WBC<1.0 x 10(9)/L.
Results:
In both the regimens fludarabine and VM (teniposide + MIT), the complete remission (CR) rate was 45% versus 31.8% (P>0.05); the median neutropenia began 6 days after the regimens arresting and lasting 10 versus 7.5 days, P>0.05; thrombocytopenia begin at time of 10 versus 6.5 days (P<0.05) after the regimens arresting and lasting 6 versus 10 days (P>0.05). Fludarabine regimen had less non-haematological toxic effect than that of VM.
Conclusion:
Compared with VM, Fludarabine regimen was a very effective alternative treatment for CR induction in adult patients with refractory and relapsed ALL and low toxicity.