- 1、本文档共51页,可阅读全部内容。
- 2、原创力文档(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
抗EGFR治疗结直肠癌疗效潜在预测标记
* Permission to include this figure in this CCO activity was granted by Sabine Tejpar, MD, PhD. * * FOLFOX4 Patients with previously untreated EGFR-detectable mCRC (N = 237) FOLFOX4 + Cetuximab Van Cutsem E, et al. ASCO 2008. Abstract 2. OPUS Trial FOLFOX ± Cetuximab: Study Schema Patients stratified by region and ECOG performance score Safety population: n = 1202 ITT population: n = 1998 Cetuximab 400 mg/m2 initial dose, then 250 mg/m2 wkly ITT人群与KRAS不同状态患者疗效数据对比 ITT人群 KRAS野生型患者 KRAS突变型患者 FOLFOX Cetuximab+ FOLFOX FOLFOX Cetuximab + FOLFOX FOLFOX Cetuximab + FOLFOX 患者数 169 168 61 73 47 52 ORR (%) 36 46 37 61 49 33 p = 0.064 p = 0.011 p=0.106 PFS (months) 7.2 7.2 7.2 7.7 8.6 5.5 HR 0.931 0.57 1.83 p = 0.62 p = 0.016 p=0.019 KRAS 突变率 42.5%(99/233) Tejpar S, et al. ASCO 2007. Abstract 4037. Patients with EGFR-positive mCRC failing irinotecan-based therapy (N = 166) Arm A: Irinotecan + standard-dose Cetuximab 250 mg/m2/week Arm B: Irinotecan + dose-escalated* Cetuximab dose increases of 50 mg/m2 q2w up to maximum 500 mg/m2/wk Arm C: Irinotecan + standard-dose Cetuximab 250 mg/m2/week Day 1 Day 22 ≤ Grade 1 rash (n = 89) ≥ Grade 2 rash (n = 77) *Dose escalated by 50 mg/m2/week until grade 2 toxicity, tumor response, or dose reaches 500 mg/m2. EVEREST: Study Design Cetuximab 400 mg/m2 initial dose then 250 mg/m2/wk + Irinotecan (180 mg/m2 q2w) Not eligible for randomization randomization EVEREST: PFS (ITT Population) 0 0.2 0.4 0.6 0.8 1.0 0 200 400 600 Days PFS Estimate 800 P .0001 KRAS mutant WT KRAS KRAS mutation present 83 days (95% CI: 75.9-90.2) 173 days (95% CI: 141.3-204.7) Tejpar S, et al. ASCO 2008. Abstract 4001. Reproduced with permission. EVEREST: PFS by Treatment Group and KRAS Status 0.0 0.2 0.4 0.6 0.8 1.0 0 200 400 600 800 0.0 0.2 0.4 0.6 0.8 1.0 0 200 400 600 800 0.0 0.2 0.4 0.6 0.8 1.0 0 200 400 600 800 Days Days Days KRAS mutant WT KRAS Control KRAS mutation present P = .014 KRAS mutant WT KRAS Dose Escal
文档评论(0)