1文献来源Chalabi M,Fanchi L F,Dijkstra K K,et al.Neoadjuvant immunotherapy leads to pathological responses in MMR⁃proficient and MMR⁃deficient early⁃stage colon cancers[J].Nat Med,2020,26(4):566-576.2证据水平1b。3背景...1文献来源Chalabi M,Fanchi L F,Dijkstra K K,et al.Neoadjuvant immunotherapy leads to pathological responses in MMR⁃proficient and MMR⁃deficient early⁃stage colon cancers[J].Nat Med,2020,26(4):566-576.2证据水平1b。3背景•程序性死亡受体⁃1(programmed cell death 1,PD⁃1)和细胞毒性T淋巴细胞相关抗原4(cytotoxic T lymphocyte⁃associated antigen⁃4,CTLA⁃4)抑制剂的治疗方案对错配修复功能缺陷(mismatch repair⁃deficient,dMMR)的晚期结直肠癌非常有效,但在错配修复功能完整(proficient mismatch repair,pMMR)的晚期结直肠癌患者中疗效不佳。展开更多
文摘1文献来源Chalabi M,Fanchi L F,Dijkstra K K,et al.Neoadjuvant immunotherapy leads to pathological responses in MMR⁃proficient and MMR⁃deficient early⁃stage colon cancers[J].Nat Med,2020,26(4):566-576.2证据水平1b。3背景•程序性死亡受体⁃1(programmed cell death 1,PD⁃1)和细胞毒性T淋巴细胞相关抗原4(cytotoxic T lymphocyte⁃associated antigen⁃4,CTLA⁃4)抑制剂的治疗方案对错配修复功能缺陷(mismatch repair⁃deficient,dMMR)的晚期结直肠癌非常有效,但在错配修复功能完整(proficient mismatch repair,pMMR)的晚期结直肠癌患者中疗效不佳。