进展期胃癌化疗规范及方案的优化选择北大肿瘤.ppt
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1、进展期胃癌化疗规范及方案的优化选择,北京大学附属肿瘤医院 消化内科 沈琳Department of GI,School of Oncology Peking University,Beijing,2023/10/19,中国胃癌的发病率和死亡率,世界范围内,中国是胃癌发病率最高的国家之一总数:934000,其中 42%发生在中国(2002)#疾病部位 胃窦仍然是最常见部位 胃食管结合部发病率升高的趋势多数患者确诊时已为进展期胃癌,且约70需要化疗,#Kamangar et al,J Clin Oncol 24:2137-50;2006,上海(2002-2004):发病率仍高:恶性肿瘤中,男性占第
2、二位,女性占第三位疾病部位:胃窦最常见,为 39.88%,小弯为12.68%,中国大城市中胃癌的发病率,J sur concepts practice 2008,vol 13,No 1 24-29,北京(2003-2007),中国胃癌发病的特点,J Surg Concepts Pract 2008,Vol.13,No.1:24,上海市胃癌发病流行现况,早诊率低治疗水平差异大国内高水平的临床研究少,循证医学依据较少,更要求规范治疗行为,统一诊疗标准,特别是综合治疗,NCCN胃癌治疗指南中国版药物治疗部分,遵循 循证医学原则,结合亚洲现状和水平以及中国国情至,目前正修订版,Randomized P
3、hase III Study In First Line For AGC,胃癌规范治疗:NCCN指南作用,框架、原则基本操作规程循证医学原则综合治疗理念,临床的复杂性 个体化问题 临床研究课题 学科发展和协作,倡导规范治疗,提出临床研究问题,更新,引发新的讨论,转移性或局部进展期胃癌的化疗DDP+氟尿嘧啶类(5-FU 或卡培他滨 或替吉奥胶囊)口服氟尿嘧啶类药物(卡培他滨,替吉奥胶囊)术前/术后化疗术前放化疗最佳支持治疗出血 梗阻恶性腹水,治疗指南更要求细化,并适合各期患者,phase III Ramdomized 3-armed study of S-1 monotherapy versus
4、 S-1/CDDP(SP)versus 5-FU/CDDP(FP)in patients with advanced gastric cancer(AGC)(SC-101 study),Chinese patients;Ramdomized;Multicenter Comparison study,Peking University School of Oncology,分层因素:KPS,转移器官数目是否胃切除术,R,S-1 S-1:40mg/m2,bid(4 weeks on/2 weeks off),S-1+CDDP CDDP:60 mg/m2 iv(d8)S-1:40mg/m2,bid(
5、3 weeks on/2 weeks off),5-FU+CDDP CDDP:20mg/m2 iv(d1-5)5FU:600mg/m2 civ(d1-5)q4ws.,主要研究终点:RR次要研究终点:OS,TTF,不良事件 最终分析患者数:224 例,Evidence:SC-101Jin et al.ASCO 2008#4533入组患者:不可切除/复发性胃癌,If failed,can switch to S-1,SP vs FP p=0.0021,有效率,FP组41例患者进展后转入S-1组,又达到14.6%有效率(S-1 作为二线化疗),不良反应(3/4),OS,结 论 S-1 及SP 均安全
6、有效 S-1+DDP可作为中国进展期胃癌一线治疗选择,Primary Endpoint:Overall SurvivalSecondary Endpoints:Progression-Free Survival Safety Time to Treatment Failure Overall Response Rate,ClinicalTrials.gov ID:NCT00400179,FLAGS Study Design,24 countries/146 centers/1053 patients/non asian trial,Log-rank Test:p=0.1983Hazard Ra
7、tio:0.92(95%CI:0.80,1.05)Median Overall Survival:CS:8.6 months CF:7.9 months,Overall Survival(FAS),Evidence:phase III ML17032:XP vs FPKang YK Ann Oncol.2009 Jan 20.666-673,Superior ORR with XP vs.FP,Superior PFS with XP vs FP,纳入141 例患者(中位年龄Age:53.7ys)化疗方案:Cape 1000mg/m2 Bid d1-14DDP 20mg/m2 iv d1-5
8、q3W WHO 评价疗效 CTC v2.0评价不良反应,有效率,CR 3(2.1%)PR 48(34.0%)SD 51(36.2%)PD 39(27.6%),mOS:12.0m,ORR:36.2%安全性:3/4 AE 5%,Evidence:中国胃癌XP临床II期研究 金懋林等.中华肿瘤杂志 2008 Dec;30(12):940-3,结论卡培他滨 联合小剂量分次给予顺铂 一线治疗进展期胃癌安全有效。,Meta-analysis of REAL2 and ML17032 trials in advanced oesophago-gastric cancer,Evidence:Meta-anal
9、ysis of REAL2 and ML17032 Trails comparing Capectabine with 5-Fluorouracil(5-FU)in Advanced Oesophage-gastric cancerAFC Okines,et al.Ann Oncol.2009 Sep;20(9):1529-34.Epub 2009 May 27.,结 论卡培他滨为基础联合化疗方案较5-FU为基础方案治疗进展期胃癌总生存期及有效率。,Evidence:卡培他滨 对比 S-1A randomised multicentre phase II trial of 卡培他滨 vs S-
10、1 as first-line treatment in elderly patients with metastatic or recurrent unresectable gastric cancer.Y.Kang,Br J Cancer.2008 Aug 19;99(4):584-90.,Evidence:卡培他滨 vs S-1:不良反应 Y.Kang,Br J Cancer.2008 Aug 19;99(4):584-90.,对比XP和SP的回顾性研究Young Mi Seol et al.Jpn Jclin Oncol 2009:39(1)43-48 doi:10.1093/jjco
11、/hynl 19,2010.v.2 NCCN 指南更新 中国版,2010.v.2 NCCN 指南中国版,手术前、手术后的化疗,如术前未应用(m)ECF,根治术后应该采用何种辅助治疗方式及治疗方案?,替吉奥单药ECF 及ECF改良方案卡培他滨+奥沙利铂-CLASSIC 研究(进行中)?纳入D2根治术后II/III期患者安全性良好,生存期数据正在随访放疗联合化疗(XP)-ARTIST 研究(进行中)?纳入D2根治术后Ib(T2bN0)-IV(除外M1)期患者比较 XP 对比XP+放疗(RT)耐受良好,生存期数据正在随访其它临床研究?,Patients:3809 ptsMethods:12 RCT
12、from Jan.1998 to Dec.20074 from Japan,4 from Italy,2 from France,1from Spain or PolandT1 was excluded,only D1 or more was includedSurgery alone group(1913 pts)vs CT+surgery group(1896 pts),British Journal of Surgery,Jan,2009;96:26-33,Results:The pooled HR for OS was 078(95 CI 071 to 085)in favour of
13、 chemotherapy.Subgroup analysis showed that the advantage of chemotherapy was not influenced by depth of tumour infiltration status of lymph node metastasistype of lymphadenectomy geographical distribution of patients route of drug administration,Meta-analysis shows survival benefit of adjuvant chem
14、otherapy group.,Favours chemotherapy+surgery,Favours surgery alone,根治性胃癌切除术(D2),R,单纯手术组,S-1S-1:40-60 mg BID for 28 days q6wks for 1 year,分层因素:不同中心 II/IIIA/IIIB期*,主要研究终点 总生存期 次要研究终点 无复发生存 安全性,*Japanese Classification of Gastric Carcinoma,13th ed,1999,Evidence:ACTS-GC 研究设计S Sakuramoto:N Engl J Med 357
15、,1810-20,2007,总生存期,不良反应,Evidence:ACTS-GC study result S Sakuramoto:N Engl J Med 357,1810-20,2007,Stage II,0,1,2,3,4,5,0,50,100,232233,230226,186178,10088,2527,(years),No.at riskTS-1Surgery,3年OS-TS-1 90.7%-Surgery alone82.1%,HR=0.59 0.36-0.99p=0.042(log-rank test),0,1,2,3,4,5,0,50,100,231233,215207,1
16、61143,8568,1919,(years),3y RFS-TS-1 83.7%-surgery alone72.1%,HR=0.55 0.36-0.83p=0.004(log-rank test),Overall survival,Relapse-free survival,(%),Stage IIIA,0,1,2,3,4,5,0,50,100,194203,191196,136132,6759,1814,(years),No.at riskTS-1surgery,3 year OS-TS-177.4%-surgery62.0%,HR=0.66 0.45-0.97p=0.032(log-r
17、ank test),0,1,2,3,4,5,0,50,100,194203,176170,111102,5247,117,(years),3year RFS-TS-169.1%-surgery56.5%,HR=0.64 0.45-0.90p=0.009(log-rank test),Overall survival,Relapse-free survival,(%),Stage IIIB,0,1,2,3,4,5,0,50,100,8983,8576,5954,3425,1010,(years),No.at riskTS-1Surgery,3y OS-TS-163.4%-surgery56.6%
18、,HR=0.73 0.45-1.18p=0.192(log-rank test),0,1,2,3,4,5,0,50,100,8983,7660,4335,2617,56,(years),3y RFSTS-149.9%-surgery38.3%,HR=0.69 0.46-1.04p=0.075(log-rank test),Overall survival,Relapse-free survival,(%),无统计学差异!,II、IIIA期根治术后患者,S-1单药辅助化疗显著改善总生存期和无复发生存IIIB期根治术后无统计学差异(患者样本量不足?)(每组不足90例)目前国内外的相关研究中国实际状
19、况,30,Evidence:ACTS-GC 亚组分析S Sakuramoto:N Engl J Med 357,1810-20,2007,入选标准:,ResectedStage IB-VI M0,Gastric or gastroesophageal adenocarcinoma,5FU/LV,OBSERVATION,5FU/LV,RADIATION,5FU/LV,4,500 cGy/28d,5FU/LV x 2,Macdonald JS et al,ASCO GI Cancers Symposium 2004,Abstract 6.,术后辅助放化疗 INT-0116研究设计,281例,275
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- 进展 胃癌 化疗 规范 方案 优化 选择 北大 肿瘤
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