资源描述
,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,结直肠癌辅助化疗,北京大学肿瘤医院 消化肿瘤内科,根治术后的化疗,目的:防止超出局部控制范围的微转移,原理:,1,、术后免疫力下降,2,、肿瘤减负后增殖加快,3,、肿瘤负荷小,疗效好,要求:安全兼有效,1,、毒性可耐受,2,、无远期副作用,许力功,.CSCO.2004,什么人需要术后辅助化疗?,术后化疗时机及时间?,化疗方案如何选择?,术后如何随访?,推荐:高危,II,期及,III,期患者需要术后辅助化疗有条件的地区先检测,MSI,或,dMMR,adjuvant,therapy,2,0%-25%,15%,20%-30%,30%-40%,Cure,Sta,g,e I,Sta,g,e II,Sta,g,e III,Sta,g,e IV,结肠癌,II,期结肠癌,II,期结肠癌占全部结肠癌患者的,20%,30%,25%,30%,的,II,期结肠癌患者会在,5,年内出现复发,不同病理分期的,II,期结肠癌患者,5,年,DFS,不同,IIa(T3N0M0):65%,73%,IIb(T4N0M0):51%,60%,Gill S et al.J,Clin,Oncol,2004;22:1797806,期,结肠癌临床病理,高危因素,分化程度差(,grade 3 or 4,),肿瘤合并梗阻或穿孔,T4,静脉或淋巴管、神经受侵,切缘阳性或可疑,淋巴结检测,12,个,NCCN Clinical Practice Guidelines in Oncology v.3.2010,具有高危因素的,II,期患者可能从辅助治疗中获益,对,II,期患者进行辅助治疗的观点,ASCO,不推荐对,II,期患者常规使用术后辅助治疗,推荐应用于部分患者:淋巴结检测数量不足、,T4,浸润,、肿瘤穿孔或分化程度差,临床决定需要医生与患者充分讨论后作出,ESMO,辅助治疗被选择性应用于淋巴结阴性的患者,辅助化疗常用方案:,5FU,为基础,奥沙利铂,卡培他滨疗效,5FU/LV(bolus),Benson,et al.J,Clin,Oncol,2004;22:340819Van,Cutsem,E,et al.Ann,Oncol,2005;16(Suppl.1):i167,dMMR(deficient Mismatch Repair),可以作为,II/III,期结肠癌不能从,5-FU,为基础的化疗中获益的预测标志物,年龄小于,50,岁的所有结直肠癌患者都应考虑检测,MMR(Mismatch Repair Proteins),MSI-H,(高度微卫星不稳定性)的,II,期结肠癌患者预后较好,但不能从,5-FU,化疗中获益,Sargent,DJ,et al.J,Clin,Oncol,2008;26:,abstr,4008,NCCN Clinical Practice Guidelines in Oncology v.3.2010,MMR,与结肠癌辅助化疗,术后多久开始化疗最佳?,术后,60,天内 术后,60,天后,P,值,n=134 n=56,5,年,OS 75.2,61.3,0.049,5,年,RFS 65.7,59.0,0.570,5-FU,为基础的化疗方案,II/III,期结肠癌,U.D.Bayraktar,et al.ASCO 2009,abstract 4046,PFS,与治疗开始时间可能有关,推荐:化疗方案选用,5-FU/CF,、卡培他滨、,FOLFOX,或,FLOX,(奥沙利铂氟尿嘧啶醛氢叶酸)或,CapeOx,方案。化疗不应超过,6,个月。,结肠癌辅助化疗的发展,1990,5FU/Lev,优于单纯手术,1994,5FU/LV,优于单纯手术,1998,5FU/LV,优于,5FU/Lev,左旋咪唑无益,1998,辅助化疗,6,月等于,12,月,1998,大剂量,LV,低剂量,LV,2000,单药口服完全模拟静脉注射,每周,5FU/LV,每月,5FU/LV,2005,单药口服批准应用于辅助治疗,2005,FOLFOX4,批准应用于辅助治疗,未来 联合生物治疗?,C-06 Trial,/,期结肠癌,,n=1608,,主要研究终点:,OS,FU/LV(,Roswell park),UFT/LV,n=803,n=805,5yrs DFS(%)76.4 74.5 -,5yrs DFS(%)68.3 66.9 0.79,5yrs OS(%)78.7,78.7,0.88,P,值,Wolmark,N,et al.Proc Am Soc,Clin,Oncol,2004;22;247s,X-ACT Trial,未经化疗,Dukes,C,手术后,8,周,随机,n=1004,n=983,Scheithauer,W,,,et al.Ann,Oncol,2003;14:173543,希罗达单药,5FU/LV,主要研究终点:,DFS,方案,:,Xeloda,1250mg/m2,bid,D1-14,q21d,5FU 425mg/m2,bolus,LV 20mg/m2,bolus,D1-5,q28d,24W,24W,0.4,0.6,0.8,1.0,概率,0,1,2,3,4,5,6,7,8,years,5,年绝对差异,3.0%,HR,=0.86(95%,CI,:0.74,1.01),优效性检验,p=0.06,Xeloda,71.4%,5-FU/LV 68.4%,5yrs,X-ACT:5,年,OS,ITT population,Twelves,et al.ECCO 2007(to be presented),腹泻,口腔炎,HFS,WBC,恶心,/,呕吐,脱发,治疗相关不良反应,(,所有级别,),0,20,40,60,80,100,患者,希罗达,(,n=,993),5-FU/LV(n=974),*,*,*,*,*,*,*,p0.001,X-ACT:,治疗相关不良反应,奥沙利铂在辅助化疗中的作用,PFS,延长,MOSAIC Trial:5yrs DFS,5yrs DFS(%),Data cut-off:June 2006,FOLFOX4 LV5FU2,P,ITT 73.3 67.4 0.003,stage 66.4 58.9 0.005,stage 83.7 79.9 0.258,H risk,stage 82.1 74.9 NA,(n=576),MOSAIC Trial:6yrs OS,6yrs,os,(%),FOLFOX4 LV5FU2,P,ITT 78.6 76.0 0.057,stage 73.0 68.6 0.029,stage 86.9 86.8 0.996,Data cut-off:January 2007,NSABP C-07 Trial,n=2492,stage II 29%,stage 71%,FLOX,5FU/LV bolus,treatment for 24 weeks,3,年,DFS,:,76.5%,vs,71.6%,,,p=0.004,Wolmark,N,et al.J,Clin,Oncol,2005;23:246s,stage III colon,8 weeks,n=1886,主要研究终点:,DFS,n=944,n=942,RANDO MIS,ATION,NO16968(XELOXA),研究,Mayo Clinic n=664orRoswell Park n=278,XELOX,(6 months),8 cycles,ESMO,2009,NO16968,:,5-year DFS,1.0,0.0,0.2,0.4,0.6,0.8,0,1,2,3,4,5,6,Years,ITT population,at 4 years:,6.1%,at 5 years:,6.3%,at 3 years:4.5%,XELOX,5-FU/LV,70.9%68.4%,3-yearDFS,66.5%62.3%,4-yearDFS,5-yearDFS,59.8%,66.1%,ITT population,1.0,0.0,0.2,0.4,0.6,0.8,0,1,2,3,4,5,6,at 5 years:,3.4%,HR=0.87(95%CI:0.721.05)p=0.1486,Years,XELOX,5-FU/LV,77.6%,5-yearOS,74.2%,NO16968,:,5-year,OS,不推荐伊立替康辅助治疗,CPT-11,用于术后辅助化疗,CALGB C89803,:,IFL,vs,5-FU/LV bolus,FFCD9802,:,FOLFIRI,vs,LV5FU2,PETACC-3,:,FOLFIRI,vs,LV5FU2,Saltz,LB,et al.J,Clin,Oncol,2004;22(suppl):3500,Ychou,M,et al.J,Clin,Oncol,2005;23:246s,Van,Cutsem,et al.J,Clin,Oncol,2005;23:LBA8,结论:不推荐伊立替康用于术后辅助治疗,不推荐分子靶向药物的应用于辅助化疗,NSABP C08 Trial,n=2672,II,期,24.9%,主要研究终点:,DFS,n=1334,n=1338,mFOLFOX6 x 12,mFOLFOX6 x 12+Bev 1yrs,中位随访,36,月,,HR=0.89,,,P=0.15,ASCO 2009,abstract LBA 4,小结,结直肠癌术后辅助化疗,口服氟尿嘧啶类与,单药,5FU,疗效相当,目前推荐,FOLFOX,用于,期和高危,期结肠,癌术后辅助化疗,不推荐伊立替康用于结直肠癌术后的,辅助化疗,术后辅助化疗时间,-6,个月,不推荐分子靶向药物辅助化疗,谢 谢,
展开阅读全文