Clinical cancer research : an official journal of the American Association for Cancer Research · 2020
Randomized Trial of Intermediate-dose Cytarabine in Induction and Consolidation Therapy in Adults with Acute Myeloid Leukemia.
СтатьяПоддержка исследования: вне правительства СШАКомментарийНазвание и аннотация: Перевод в очереди
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Wei Hui, Wang Ying, Gale Robert Peter, Lin Dong, Zhou Chunlin, Liu Bingcheng, Qiu Shaowei, Gu Runxia, Li Yan, Zhao Xingli, Wei Shuning, Gong Benfa, Liu Kaiqi, Gong Xiaoyuan, Liu Yuntao, Zhang Guangji, Song Zhen, Wang Yang, Li Wei, Mi Yingchang, Wang Jianxiang
Аннотация
PURPOSE: Cytarabine, 100-200 mg/mE+2/day, is commonly used in induction therapy of acute myelogenous leukemia (AML). Whether a higher dose of cytarabine would be more effective is unknown. Also, there is controversy whether high-dose cytarabine is better than an intermediate-dose combined with other drugs for post-remission therapy. In this open-label, randomized controlled, parallel group study, roles of intermediate-dose cytarabine were investigated.
PATIENTS AND METHODS: Subjects with AML age 15-55 years were randomized to receive daunorubicin, omacetaxine mepesuccinate, and conventional- or intermediate-dose cytarabine. Subjects achieving complete remission were randomized to receive 3 courses of high-dose cytarabine or 2 courses of intermediate-dose cytarabine with daunorubicin in the 1st and mitoxantrone in the 2nd course. The primary endpoint was disease-free survival (DFS).
RESULTS: 591 subjects were randomized to intermediate- (N = 295) or conventional-dose (N = 296) cytarabine group. Three-year DFSs were 67% [95% confidence interval (CI), 61-73] in the intermediate-dose cohort compared with 54% (95% CI, 48-61) in the conventional-dose cohort [Hazard Ratio (HR), 0.67; 95%CI, 0.51-0.89; P = 0.005). Three-year survivals were 68% (95%CI, 63-74) and 59% (95%CI, 53-65; HR, 0.720; 95%CI, 0.56-0.94; P = 0.014). Two courses of intermediate-dose cytarabine with daunorubicin or mitoxantrone resulted in similar DFS and survival as three courses of high-dose cytarabine when used for post-remission therapy.
CONCLUSIONS: Induction therapy with intermediate-dose cytarabine with daunorubicin and omacetaxine mepesuccinate increases DFS and survival in persons with AML ages 15-55 years compared with conventional-dose cytarabine.See related commentary by Watts and Bradley, p. 3073.
PATIENTS AND METHODS: Subjects with AML age 15-55 years were randomized to receive daunorubicin, omacetaxine mepesuccinate, and conventional- or intermediate-dose cytarabine. Subjects achieving complete remission were randomized to receive 3 courses of high-dose cytarabine or 2 courses of intermediate-dose cytarabine with daunorubicin in the 1st and mitoxantrone in the 2nd course. The primary endpoint was disease-free survival (DFS).
RESULTS: 591 subjects were randomized to intermediate- (N = 295) or conventional-dose (N = 296) cytarabine group. Three-year DFSs were 67% [95% confidence interval (CI), 61-73] in the intermediate-dose cohort compared with 54% (95% CI, 48-61) in the conventional-dose cohort [Hazard Ratio (HR), 0.67; 95%CI, 0.51-0.89; P = 0.005). Three-year survivals were 68% (95%CI, 63-74) and 59% (95%CI, 53-65; HR, 0.720; 95%CI, 0.56-0.94; P = 0.014). Two courses of intermediate-dose cytarabine with daunorubicin or mitoxantrone resulted in similar DFS and survival as three courses of high-dose cytarabine when used for post-remission therapy.
CONCLUSIONS: Induction therapy with intermediate-dose cytarabine with daunorubicin and omacetaxine mepesuccinate increases DFS and survival in persons with AML ages 15-55 years compared with conventional-dose cytarabine.See related commentary by Watts and Bradley, p. 3073.