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达沙替尼治疗对急性髓系白血病儿童身高的影响
Influence of dasatinib treatment on body height in children with acute myeloid leukemia
目的 探讨达沙替尼治疗对急性髓系白血病（AML）儿童身高的影响。方法 回顾性分析86例17岁以下AML儿童的临床资料，按照患儿的治疗方案分为常规化疗组和达沙替尼组：常规化疗组应用常规化疗药物而不使用酪氨酸激酶抑制剂，共57例；达沙替尼组应用常规化疗药物并加用达沙替尼治疗，共29例。对两组患儿在治疗开始时、治疗后的身高标准差积分（HtSDS）以及治疗后1年、治疗后2年HtSDS变化进行比较。结果 常规化疗组及达沙替尼组在治疗前HtSDS的比较差异无统计学意义（P > 0.05）。达沙替尼组在治疗前两年内HtSDS变化与常规化疗组保持一致。随访时达沙替尼组共有4人达到成年终身高，均显著低于遗传靶身高（P=0.044）。常规化疗组中成年终身高与遗传靶身高差异无统计学意义。达沙替尼组中青春期儿童治疗后与治疗前的HtSDS相比较差异有统计学意义（P=0.032）。结论 达沙替尼治疗可影响AML儿童的终身高，青春期开始后应用达沙替尼会存在生长障碍，但治疗短期内对身高影响不大。
Objective To study the influence of dasatinib treatment on body height in children with acute myeloid leukemia (AML). Methods A retrospective analysis was performed for the clinical data of 86 AML children aged < 17 years. According to the treatment regimen, these children were divided into a conventional chemotherapy group and a dasatinib chemotherapy group. The 57 children in the conventional chemotherapy group were given conventional chemotherapy drugs without tyrosine kinase inhibitor, and the 29 children in the dasatinib chemotherapy group were given conventional chemotherapy drugs and dasatinib. The two groups were compared in terms of height standard deviation score (HtSDS) at the beginning of treatment and after treatment, as well as the change in HtSDS after 1 and 2 years of treatment. Results There was no significant difference in HtSDS between the conventional and dasatinib chemotherapy groups before treatment. Within the first two years of treatment, the dasatinib chemotherapy group had a similar change trend of HtSDS as the conventional chemotherapy group. Four children in the dasatinib chemotherapy group reached the final adult height during follow-up, which was significantly lower than the target height (P=0.044). In the conventional chemotherapy group, there was no significant difference between final adult height and target height. In the dasatinib chemotherapy group, the children in adolescence had a significant change in HtSDS after treatment (P=0.032). Conclusions Dasatinib treatment may affect the final height of children with AML, and the use of dasatinib after the beginning of adolescence may lead to growth disorder, but dasatinib treatment has little effect on body height in the short-term treatment.
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