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培美曲塞在晚期非小细胞肺癌二线治疗中的应用

作者单位:210048南京市,东南大学附属南京江北人民医院肿瘤科·论著·培美曲塞在晚期非小细胞肺癌二线治疗中的应用胡萍高金锋张海封革【摘要】目的探讨培美曲塞单药或联合顺铂作为二线治疗方案治疗晚期复发或进展的非小细胞肺癌患者的疗效及毒副反应。

方法回顾性总结接受培美曲塞二线治疗的50例晚期非小细胞肺癌患者,按照用药情况分为单药治疗组22例及联合铂类治疗组28例。

评价2组近期疗效及不良反应。

结果50例患者均可评价疗效。

2组均无CR病例。

单药治疗组PR2例,SD10例,PD10例,有效率(CR+PR)9.1%,疾病控制率(CR+PR+SD)54.5%,中位无进展生存期3.8个月;联合治疗组PR3例,SD13例,PD8例,有效率7.1%,疾病控制率71.4%,中位无进展生存期4.8个月。

2组比较,有效率及中位无进展生存期差异无统计学意义(P均>0.05),联合铂类治疗组疾病控制率较高(P<0.05)。

与药物相关的不良反应主要为I/II度骨髓抑制、胃肠道反应、皮疹,与联合铂类治疗组比较,单药治疗组的副作用(红细胞减少、消化道反应)较低(P<0.05)。

结论晚期非小细胞肺癌的二线治疗方案可选择培美曲塞单药或联合顺铂,安全性相对较好,但是两药联合治疗方案毒副反应略有增加。

【关键词】培美曲塞;顺铂;晚期非小细胞肺癌;二线治疗中图分类号:R734.2R979.1文献标识码:A文章编号:1674-8182(2011)12-1079-03Application of pemetrexed in the second-line treatment for advanced non-small cell lung cancer HU Ping,GAO Jin-feng,ZHANG Hai,FENG Ge.Department of Oncology,Nanjing Jiangbei People's Hospital Affiliated to Southeast University,Nanjing210048,China【Abstract】Objective To evaluate the efficacy and adverse effect of pemetrexed single-agent or pemetrexed combinedwith cisplatin in the treatment of advanced recurrent or pro-gressive non-small cell lung cancer(NSCLC).MethodsFifty advanced NSCLC patients failed to previous general2.3丹参注射液对缺血再灌注大鼠血清MDA、SOD 的影响模型组较假手术组血清MDA水平升高(P<0.05),SOD水平降低(P<0.05)。

丹参注射液中、高剂量组血清MDA水平明显低于模型组(P均<0.05),SOD水平明显高于模型组(P均<0.05)。

见表3。

丹参低剂量组血清MDA水平显著高于尼莫同组(P<0.05),血清SOD水平显著低于尼莫同组(P<0.05);丹参中剂量血清SOD水平显著低于尼莫同组(P<0.05)。

3讨论脑卒中是当今严重危害人类健康的一种常见病,其中缺血性脑卒中约占70%。

目前在基础研究中脑缺血动物模型有许多种,其中线栓法制作的局灶性脑缺血模型具有不开颅、梗死部位确定、缺血时间可控、可用于脑缺血再灌注的研究等优点,在国内外得到了广泛应用。

中医学认为缺血性中风是因各种致病因素作用下发生的“脑络瘀阻”,其病理因素有“风、火(热)、痰(饮)、瘀、毒”5种,病理关键是“瘀血”。

大量基础和临床研究证实,活血化瘀是缺血性中风十分有效而常规的治疗方法。

SOD是人体内天然的抗氧化酶,是内源性氧自由基清除剂,其可通过催化氧自由基的自身氧化还原反应有效地清除自由基,维持体内自由基的动态平衡。

MDA水平代表了自由基的活性,反映了机体脂质过氧化的速度和程度〔5-7〕。

丹参注射液具有活血化瘀、理气止痛等功效,本实验证明丹参注射液可提高急性脑缺血大鼠神经功能缺损评分,缩小脑梗死面积,降低模型大鼠血清MDA含量,升高SOD含量,对线栓法制作的局灶性脑缺血-再灌注损伤大鼠模型有一定的治疗作用,其疗效不亚于尼莫同。

参考文献[1]王军,左其龙,徐汉荣,等.大鼠局灶性脑缺血再灌注损伤时SB202190的保护作用〔J〕.南京医科大学学报,2009,29(6):840-844.[2]孔卫国,吴晓牧,张昆南,等.大鼠局灶性脑缺血/再灌注模型的制作及经验体会〔J〕.实用临床医学(江西),2010,11(3):1-3.[3]李琴,郭云良,李震,等.胡黄连苷Ⅱ对大鼠脑缺血/再灌注损伤Caspase-3和PARP表达的影响〔J〕.中国药理学通报,2010,26(3):342-345.[4]冯新红,沈霞,袁伟,等.栓线法制作局灶性大鼠脑缺血再灌注模型的改进及效果〔J〕.徐州医学院学报,2003,23(6):483-485.[5]Yamakura F,Matsumoto T,Fujimura T,et al.Modification of a sin-gle tryptophan residue in human Cu,Zn-superoxide dismutase byperoxynitrite in the presemce of bicarbonate〔J〕.Biochim BiophysActa,2001,1548(1):38-46.[6]Maksimenko AV.Experimental antioxidant biotherapy for protection of the vascular wall by modified forms of superoxide dismutase andcatalase〔J〕.Curr Pharm Des,2005,11(16):2007-2016.[7]Van Hove C,Carreer-Bruhwyler F,Géczy J,et al.Long-term treat-ment with the NO-donor molsidomine reduces circulating ICAM-1levels in patients with stable angina〔J〕.Atherosclerosis,2005,180(2):399-405.收稿日期:2011-09-189701中国临床研究2011年12月第24卷第12期Chinese Journal of Clinical Research,December2011,Vo1.24,No.12chemotherapy of at least2standard regimens including platinum were randomly allocated to treated with pemetrexed alone group(single agent group,n=22)and pemetrexed combined with cisplatin group(combination group,n=28).The short-term efficacy and adverse effects after2courses of treatment were assessed.Results The therapeutic effect of all patients could be evaluated.There were no CR cases in two groups.In single agent group,there were2case in PR,10ca-ses in SD,10cases in PD;Reactive rate(RR)and disease control rate(DCR)were9.1%and54.5%respectively;The median progression-free survival time was3.8months.In combination group,there were3cases in PR,13cases in SD and 8cases in PD;RR and DCR were7.1%and71.4%respectively;The median progression-free survival time was4.8 months.There were no significant difference in RR and median progression-free survival time between single agent group and combination gvoup(all P>0.05).Compared with single agent group,DCR was higher in combination group(P<0.05).The main drug-related adverse reactions were grade I/II bone marrow inhibition,gastrointestinal response and rash.Compared with combination group,some adverse effects such as decrease of erythrocyte count and gastrointestinal re-sponses were lower in single agent group(P<0.05).Conclusions Either pemetrexed or pemetrexed plus cisplatin has good efficacy and safety for treating advanced NSCLC as second-line treatment regimen,but the adverse effects of peme-trexed combined with cisplatin regimen slightly increase compared with pemetrexed alone.【Key words】Pemetrexed;Cisplatin;Advanced non-small cell lung cancer;Second-line treatment目前全世界发病率最高的肿瘤是肺癌,其中非小细胞肺癌(NSCLC)约占80%,化疗仍为治疗晚期NSCLC的优先选择手段〔1〕。

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