Efficacy and safety of domestic imatinib mesylate as front-line treatment for chronic myelogenous leukemia patients in the chronic phase
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摘要: 目的:分析国产甲磺酸伊马替尼(商品名:格尼可)治疗慢性髓性白血病慢性期(CML-CP)患者的临床疗效和安全性。方法:回顾性分析62例一线服用格尼可治疗的CML-CP患者的临床资料。根据患者Sokal预后风险评分、耐受情况适当调整伊马替尼剂量,即300~600 mg/d。分析患者用药3、6、12个月获得的最佳反应、分子生物学反应,采用χ2检验比较各Sokal积分组达到的最佳反应率,统计药物引起的不良反应。结果:62例接受格尼可治疗的CML-CP患者,治疗后3个月时完全血液学缓解(CHR)率为90.32%,BCR-ABLIS≤10%为75.81%,分子学缓解为9.68%;治疗后6个月时CHR率为95.16%,BCR-ABLIS≤1%为70.97%,分子学缓解为30.65%;治疗后12个月时所有患者达到CHR,50.00%的患者获得分子学缓解。按照Sokal评分将62例患者分为高危组7例、中危组19例和低危组36例,在治疗后3、6、12个月,3组最佳反应发生率比较均差异无统计学意义(χ2=5.49、3.83、4.38,P=0.06、0.15、0.11);经两两比较,治疗后3个月低危组最佳反应发生率高于高危组(χ2=5.38,P<0.05)。大部分患者对格尼可耐受性好,引起的最常见的非血液不良反应依次为水肿(41.94%),胃肠道反应(20.97%),肌肉酸痛(14.52%)等,血液学不良反应主要为血小板减少(22.58%)和白细胞减少(14.52%)。结论:国产甲磺酸伊马替尼对CML-CP患者的血液学和分子学反应良好,安全性高,值得在临床上继续推广。Abstract: Objective: To analyze the efficacy and safety of domestic imatinib mesylate (Gnico) as the front-line treatment for patients with chronic myeloid leukemia in chronic phase (CML-CP).Method: A total of 62 patients with CML-CP were selected.The dose of imatinib was adjusted from 300 to 600 mg/d according to the Sokal prognosis risk score and drug tolerance.The optimal response and molecular response rate of CML-CP patients in 3,6,and 12 months were analyzed,and the chi-square test was used to compare the optimal response rate of each Sokal score group.The adverse events caused by the Gnico were recorded.Result: At 3 months after treatment,the complete hematological remission (CHR) rate was 90.32%,BCR-ABLIS≤10% was 75.81%,and molecular remission rate was 9.68%.At 6 months,the CHR rate was 95.16%,BCR-ABLIS ≤1% was 70.97%,and molecular reaction rate was 30.65%.All patients achieved CHR at 12 months,while 50.00% of patients achieved molecular remission.The 62 patients were divided into high-risk group (n=7),intermediate-risk group (n=19) and low-risk group (n=36) based on Sokal score.There was no significant difference in the optimal response rate among the three groups at 3,6,and 12 months after treatment (χ2=5.49, 3.83,4.38, P=0.06, 0.15, 0.11, respectively). The rate of optimal response in the low-risk group was higher than that in the high-risk group (χ2=5.38,P<0.05).The Gnico was well tolerated in most patients,and the common non-hematologic adverse events were edema (41.94%),gastrointestinal reactions (20.97%) and muscle soreness (14.52%).The hematological adverse events were mainly thrombocytopenia (22.58%) and leukopenia (14.52%).Conclusion: Domestic imatinib mesylate is effective and safe as the first-front treatment for CML-CP patients.
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Key words:
- chronic myeloid leukemia /
- chronic phase /
- domestic imatinib mesylate /
- efficacy /
- safety
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