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时间:2021-04-17
《最新大肠癌化疗进展课件ppt.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、大肠癌化疗进展大肠癌西方国家中,大肠癌占癌症死亡第二位(10%-12%)。我国也呈逐年上升趋势。发病率每年递增4.2%。外科手术五年生存率:Ⅰ期90%、Ⅱ期70%-75%、Ⅲ期35%-50%、Ⅳ期<5%。大约30%-40%发现时已属局部晚期或转移。50%病人最终死于本病。化疗:以5-FU为基础许多单药中5-FU疗效最肯定(10%-15%)。以往5-FU联合方案疗效不超过单药。半衰期短(6-10分钟),属时间依赖性药,长时间灌注疗效提高。生化调节(LV)可令5-FU增效。mCRC化疗:二药联合*可用于一线或二线治疗CAPIRIIFLXELIR
2、IFOLFIRIIrinotecanCAPOXbFOLXELOXFOLFOXOxaliplatinXeloda5-FU/LV二药联合*mCRC:改善疗效的策略有效药物和方案三药用足STOPandGO合用分子靶向新药个体化治疗FOLFOX系列方案B400B40020060060020085FOLFOX4(1995)B4004002400-3000100FOLFOX6(1997)4002400130FOLFOX7(1998)黄:LV蓝:5-FU红:乐沙定®单位:mg/m²每2周重复BICC-C效力和毒性:FOLFIRIvsFOLFOX(Tour
3、nigandetal.JCO2004.22:229-237)Efficacy/Toxicity5-FU/LVIrinotecanOxaliplatinRR(firstline)56%54%OS(mo)21.520.4G3/4neutropenia24%44%G3/4febrileneutr.7%0%G3/4mucositis10%1%G2/3neurological0%71%G3/4diarrhea14%11%三药使用比例与中位生存*5FU.CPT-11.L-OHPGrotheyetal.JCO200419.768Grothey200221
4、.068Tournigand200119.460Giacchetti200019.560Goldberg200220.154Koehne200316.229DeGramont200017.416Douilard200014.85Saltz2000中位生存(m)*用三药病人%作者Conceptof“All-3-Drugs”-Update200511PhaseIIITrials,5768PatientsOS(mos)=13.2+(%3drugsx0.1),R^2=0.85Grothey&Sargent,JCO20050102030405060
5、7080Infusional5-FU/LV+irinotecanInfusional5-FU/LV+oxaliplatinBolus5-FU/LV+irinotecanIrinotecan+oxaliplatinBolus5-FU/LVLV5FU22221201918171615141312MedianOS(mo)Patientswith3drugs(%)P=.0001First-LineTherapyMultivariateanalysis:EffectonOSPFirst-linedoublet0.69All3drugs0.005“ST
6、OPandGO”OPTIMOX1:FOLFOX7LV5FU2Oxa130mg/m2LV400mg/m25FU2.4-3.6/m2BiweeklyLV400mg/m25FU400mg/m25FU2.4-3.6/m2BiweeklyX6X12OPTIMOX1vsFOLFOX4OPTIMOX1FOLFOX4ORR64%58%mTTP(mo)12.310.3G3/4Toxic:WBC下降20%26%PLT下降11%3%恶心、呕吐7%4%腹泻13%13%OPTIMOX1vsOPTIMOX2:设计AMCRCRANDOMISEDOPTIMOX2(200)
7、[FOLFOX7/6次停止进展]OPTIMOX1(187)[FOLFOX7/6次LV5FU2/12次进展](F.Maindrault-Goebeletal.ASCO2006#3504)OPTIMOX1vsOPTIMOX2结论:维持LV5FU延长了PFS。*中位病变控制时间200187例数3641P=0.17*Mddc(wks)2836P=0.01mPFS(wks)5356CR+PR(%)5154PR(%)22CR(%)OPTIMOX2OPTIMOX1方案CONcePT试验:间歇和连续Oxal的比较Oxal使用Intermittent(IO
8、)Continueing(CO)P值失败:毒性PDmTTF(wk)28%23%2543%21%180.0025用mFolFox7/Bv治疗mCRC139例,Oxal.使用:IOo
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