首页|Realgar-indigo naturalis formula for the treatment of patients with relapsed and arsenic trioxide-resistant acute promyelocytic leukemia:A case series

Realgar-indigo naturalis formula for the treatment of patients with relapsed and arsenic trioxide-resistant acute promyelocytic leukemia:A case series

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Introduction:There is currently no standard treatment for relapsed and arsenic trioxide(ATO)-resistant acute promyelocytic leukemia(APL).Here,we report a case series of realgar-indigo naturalis formula(RIF)for the successful treatment of patients with relapsed and ATO-resistant APL.Case presentation:Two patients in the first relapse and one in the second relapse failed to achieve hema-tologic complete remission(HCR)when reinduced by ATO;the other five patients progressed to relapse during ATO-based regimens for post-remission therapy.These eight patients received RIF in three doses per day totaling 130 mg/kg(≤ 30 pills)as induction therapy and achieved HCR at a median time of 46.5 days.They received 5 years of post-remission therapy,which consisted of combined chemotherapy followed by RIF.During this period,the patients did not experience renal dysfunction or QT interval pro-longation.At the last follow-up,three patients survived without relapse,two patients survived with a second or third relapse and third or fourth remission,and the other three patients relapsed for a third or fourth time and died.The 5-year overall survival and event-free survival rates were 75.0%(95%confi-dence interval[CI]:31.5-93.1)and 37.5%(95%CI:5.6-71.7),respectively.Conclusion:RIF for induction therapy and RIF combined with chemotherapy for post-remission therapy may represent an effective and safe protocol for the treatment of patients with relapsed and ATO-resistant APL.

Acute promyelocytic leukemiaRealgar-indigo naturalis formulaArsenic TrioxideResistantCase report

Yong-guang Fang、Shi-lin Huang、Nan-nan Chen

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Department of Hematology,PLA 967th Hospital,Dalian 116021,Liaoning Province,China

2024

结合医学学报(英文版)
上海市中西医结合学会,上海长海医院

结合医学学报(英文版)

CSTPCD
影响因子:0.711
ISSN:2095-4964
年,卷(期):2024.22(5)