局限期小细胞肺癌化疗联合加速超分割放疗疗效初步分析胡晓1,2,包勇1,2,陈媛媛1,2,高剑铭1,2,王卫华1,2,刘源1,2,何瀚1,2,孙宗文1,2,SHIVAJIPoudel1,2,王彦1,2,庄婷婷1,2,张力1,3,陈明1,21.华南肿瘤学国家重点实验室,广东广州5100602.中山大学肿瘤防治中心放疗科,广东广州5100603.中山大学肿瘤防治中心内科,广东广州510060刘源现在单位:广州医学院附属肿瘤医院,广东广州510059何瀚现在单位:佛山市第一人民医院,广东佛山528000【摘要】背景与目的:局限期小细胞肺癌(limitedsmall-celllungcancer,limitedSCLC)对放疗和化疗均敏感。放疗已被证实可提高局限期SCLC患者总生存率,降低局部复发率。本研究总结在化疗基础上应用加速超分割放射治疗(hyperfractionatedacceleratedradiotherapy,HART)对局限期SCLC的疗效,评价相关治疗毒性,归纳治疗失败方式。方法:55例局限期SCLC患者经过EP方案(etoposide,120mg/m2,d1~d3;cisplatin,60mg/m2,d1)诱导化疗2~4程,化疗后1~2周开始放疗,累及野放疗总剂量45Gy,1.5Gy/次,2次/日,5日/周。放疗后再以EP方案巩固化疗2~4程,完全缓解(completeremission,CR)者行预防性全脑照射(prophylacticcranialirradiation,PCI)。结果:55例患者放化疗结束时总有效率(CR+PR)87.3%。1、3、5年总生存率分别为79.1%、40.3%、16.1%。中位生存时间18.7个月。3度和4度血液学毒性分别为23例(41.8%)和16例(29.1%);1度和2度急性放射性肺炎分别为21例(38.2%)和2例(3.6%);1度和2度放射性食管炎分别为29例(52.7%)和12例(21.8%);未发生3~4度非血液学毒性。11例(20.0%)患者出现1度肺纤维化,5例(9.1%)为2度。2例(3.6%)发生1度后期食管损伤。16例---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---(29.1%)局部/区域复发,21例(38.2%)发生远处转移。结论:EP方案化疗合并HART治疗局限期SCLC毒性轻至中度,易于耐受。局部复发和远处转移为主要治疗失败原因。关键词:肺肿瘤;癌,小细胞性;局限期;HART中图分类号:R734.2文献标识码:A文章编号:1000-467X1EfficacyofChemotherapyCombinedHyperfractionate1通讯作者:陈明Correspondenceto:CHENMingTel:86-20-87343420Fax:86-20-87343420E-mail:gzcm@263.net收稿日期:2008-01-08修回日期:包勇、张力与第一作者贡献相同---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---dAcceleratedRadiotherapyonLimitedSmallCellLungCancerHUXiao1,2,BAOYong1,2,CHENYuan-Yuan1,2,GaoJian-Ming1,2,WANGWei-Hua1,2,LIUYuan1,2,HEHan1,2,SUNZong-Wen1,2,SHIVAJIPoudel1,2,WANGYan1,2,ZHUANGTing-Ting1,2,ZHANGLi1,2,CHENMing1,21.StateKeyLaboratoryofOncologyinSouthChina,Guangzhou,Guangdong,510060,P.R.China2.DepartmentofRadiationOncology,CancerCenter,SunYat-senUniversity,Guangzhou,Guangdong,510060,P.R.China3.DepartmentofMedicalOncology,CancerCenter,SunYat-senUniversity,Guangzhou,Guangdong,510060,P.R.ChinaPresentaddressofLIUYuan:AffiliatedCancerHospital,GuangzhouMedicalCollege,Guangzhou,Guangdong,510059,P.R.ChinaPresentaddressofHEHan:TheFirstPeople’sHospital,Foshan,Guangdong,528000,P.R.China[ABSTRACT]BACKGROUND&OBJECTIVE:Limitedsmallcelllungcancer(SCLC)issensitivetobothradiotherapyandchemotherapy.Radiotherapycanenhancesurvivalrateandreducethelocal/regionalrecurrencerateofSCLC.Thisstudywastoanalyzetheefficacyofchemotherapycombinedhyperfractionatedacceleratedradiotherpay(HART)onlimitedSCLC,observetreatment-relatedadverseeventsandsummarizethetreatmentfailurepatterns.METHODS:Atotalof55limitedSCLCpatientsweretreatedwith2~4cyclesofEPregimens(etoposide,120mg/m2,d1~---本文来源于网络,仅供参考,勿照抄,如有侵权请联系删除---d3;cisplatin,60mg/m2,d1)thenreceivedinvolvedfieldradiotherapydeliveredin1.5Gyfractions,twicedaily,5day...