Hematology (Amsterdam, Netherlands) · 2012
Long term curative effects of sequential therapy with all-trans retinoic acid, arsenious oxide and chemotherapy on patients with acute promyelocytic leukemia.
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Pei Renzhi, Cao Junjie, Ma Junxia, Zhang Pisheng, Liu Xuhui, Du Xiaohong, Chen Dong, Sha Keya, Chen Lieguang, Li Shuangyue, Wu Jingyi, Fan Zhen, Lin Li, Ye Peipei, Tang Shanhao, Zhang Bibo
Аннотация
BACKGROUND: Both all-trans retinoic acid (ATRA) and arsenic trioxide (As(2)O(3)) have proven to be very effective in obtaining high clinical complete remission (CR) rates in acute promyelocytic leukemia (APL).
METHODS: In this study, 73 newly diagnosed APL subjects were treated with an ATRA and As(2)O(3) combination treatment in remission induction and post remission therapy. Tumor burden was examined with PCR of the PML-RAR fusion transcripts, and side effects were evaluated by means of clinical examination.
RESULTS: The results showed that ATRA/As(2)O(3) combination therapy yielded a CR rate of 94.5% (69/73) with a shorter time to enter CR (median: 27 days; range: 21-43 days). Four cases failed to enter CR; three of these died of cerebral hemorrhage and disseminated intravascular coagulation (DIC) within 72 hours of starting induction therapy, one older patient died of severe pulmonary infection. The early death rate was 5.5% (4/73). All 69 cases that obtained CR remained in good clinical remission after a follow-up of 35-74 months (median: 52 months).The drug toxicity profile with the use of As(2)O(3) showed mainly hepatotoxicity. Liver dysfunction was slight in most cases. There were no severe side effects in long term follow-up.
CONCLUSION: We conclude that APL patients may benefit from the use of the combination of ATRA and As(2)O(3) in either remission induction or consolidation/maintenance.
METHODS: In this study, 73 newly diagnosed APL subjects were treated with an ATRA and As(2)O(3) combination treatment in remission induction and post remission therapy. Tumor burden was examined with PCR of the PML-RAR fusion transcripts, and side effects were evaluated by means of clinical examination.
RESULTS: The results showed that ATRA/As(2)O(3) combination therapy yielded a CR rate of 94.5% (69/73) with a shorter time to enter CR (median: 27 days; range: 21-43 days). Four cases failed to enter CR; three of these died of cerebral hemorrhage and disseminated intravascular coagulation (DIC) within 72 hours of starting induction therapy, one older patient died of severe pulmonary infection. The early death rate was 5.5% (4/73). All 69 cases that obtained CR remained in good clinical remission after a follow-up of 35-74 months (median: 52 months).The drug toxicity profile with the use of As(2)O(3) showed mainly hepatotoxicity. Liver dysfunction was slight in most cases. There were no severe side effects in long term follow-up.
CONCLUSION: We conclude that APL patients may benefit from the use of the combination of ATRA and As(2)O(3) in either remission induction or consolidation/maintenance.