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伊马替尼治疗慢性粒细胞白血病患者的临床疗效及疗效影响因素分析 被引量:15

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摘要 目的探讨伊马替尼(IM)治疗慢性粒细胞白血病(CML)患者的临床疗效及疗效影响因素。方法选择104例CML患者,临床分期为慢性期84例、加速期8例、急变期12例。慢性期IM用量为400 mg/d,加速期及急变期为600 mg/d,中位IM治疗时间为29(3~88)个月。治疗期间,每月复查血常规;每3~6个月复查骨髓细胞形态学、染色体核型和bcr-abl融合基因。比较各临床分期患者的临床疗效、药物安全性、临床耐药、治疗依从性等。结果与加速期和急变期患者比较,慢性期患者治疗3个月时的完全血液学缓解率(CHR),12个月时的微小细胞遗传学缓解率(MCyR)、部分细胞遗传学缓解率(PCyR)、完全细胞遗传学缓解率(CCyR),治疗结束时的累积获得CHR、PCyR、CCyR、完全分子学反应率,以及1、3、5年总生存率、疾病无进展生存率均有统计学差异(P均<0.05或<0.01)。应用IM治疗前时间≥90 d、是否应用干扰素治疗、依从性不佳是影响IM疗效的不利因素(P均<0.05)。EUTOS评分低危患者获得MCyR、PCyR和CCyR的比例显著高于高危患者(P均<0.05)。慢性期患者的原发耐药率为9.5%,继发耐药率为14.3%;加速期、急变期患者原发耐药率分别为37.5%、66.7%,继发耐药率分别为25.0%、16.7%。结论 IM治疗CML慢性期患者的血液学、细胞遗传学、分子生物学缓解率高,不良反应小,在疾病早期应用可提高疗效;加速期及急变期患者IM耐药率较高,EUTOS评分高、依从性不佳可影响IM疗效。
出处 《山东医药》 CAS 2012年第45期55-57,共3页 Shandong Medical Journal
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