Abstract
背景与目的吉西他滨和紫杉类药物是晚期肺鳞癌常用的化疗药物,但二者在一、二线治疗中的最佳顺序尚未明确,本研究旨在分析吉西他滨单药/或联合铂类同紫杉类药物单药/或联合铂类在一、二线治疗中不同化疗顺序的疗效及毒副作用。方法回顾性分析了105例Ⅲb期-Ⅳ期肺鳞癌患者,49例为一线予吉西他滨单药/或联合铂类,进展后二线予紫杉类单药/或联合铂类治疗(G-T组);56例为一线予紫杉类单药/或联合铂类,进展后二线予吉西他滨单药/或联合铂类治疗(T-G组)。主要研究终点为总生存(overall survival, OS),次要研究终点为无进展生存期(progression-free survival, PFS)、客观缓解率(objective response rate, ORR)、疾病控制率(disease control rate, DCR)及不良反应。结果① G-T组与T-G组中位OS分别为为18.5个月和19.0个月(P=0.520)。②G-T组与T-G组一线化疗中位PFS1分别为5.0个月和4.0个月(P=0.584);两组二线化疗中位PFS2为2.5个月和2.7个月(P=0.432)。③G-T组与T-G组一线化疗ORR1分别为36.73%和33.92%(P=0.577),DCR1分别为79.59%和89.29%(P=0.186);二线化疗ORR2分别为4.08%和5.36%(P=0.085),DCR2分别为51.02%和66.07%(P=0.118)。④G-T组与T-G组毒副作用相似,但G-T组更易出现Ⅲ级-Ⅳ级红细胞减低(P=0.027)和血小板减低(P=0.002)。结论一线吉西他滨单药/或联合铂类序贯二线紫杉类单药/或联合铂类与一线紫杉类单药/或联合铂类序贯二线吉西他滨单药/或联合铂类疗效相当,不良反应可耐受,两种序贯模式均对初治晚期肺鳞癌患者有效。
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