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抗体-细胞毒分子耦合剂治疗对小分子酪氨酸激酶抑制剂耐药的HER-2阳性乳腺癌的效果 被引量:2

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摘要 目的探讨采用抗体-细胞毒分子耦合剂(曲珠妥单抗)的二线化疗方案对小分子酪氨酸激酶抑制剂(拉帕提尼)耐药的HER-2阳性乳腺癌患者的疗效及安全性。方法对49例拉帕提尼一线化疗方案耐药的HER-2阳性乳腺癌患者分为观察组(28例)和对照组(21例),均采用二线化疗方案,观察组在此基础上加用曲珠妥单抗,比较治疗2个周期后两组患者的临床疗效及预后差异。结果观察组的近期疗效总有效率为53.57%,高于对照组的38.09%,但差异无统计学意义(P>0.05)。经过24个月的随访观察,观察组患者的中位无进展生存时间为8个月,显著长于对照组的3个月(x2=3.827,P=0.041)。在随访的24个月中,观察组有13例患者死亡,病死率为46.43%,对照组患者死亡13例,病死率为61.90%,两组患者的病死率比较差异无统计学意义(x2=1.154,P=0.283)。观察组的24个月中位总生存时间为18个月,对照组为10个月,观察组的中位总生存时间显著长于对照组(x2=4.853,P=0.028)。观察组患者的白细胞降低、中性粒细胞降低、消化道症状、转氨酶升高、发热、脱发发生率均低于对照组,但差异无统计学意义(P>0.05)。结论采用含有曲珠妥单抗的二线化疗方案对拉帕提尼耐药的HER-2阳性乳腺癌患者进行治疗,虽然对患者的近期疗效不显著,但可以有效延长患者的无进展生存时间和总生存时间。
作者 吴春燕
出处 《广东医学》 CAS 北大核心 2015年第10期1602-1604,共3页 Guangdong Medical Journal
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