• Department of General Surgery, General Hospital of Southern Theater Command of The People’s Liberation Army of China, Guangzhou 510013, P. R. China;
CHENG Liyang, Email: chliyang2008@sina.com
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Objective To analyze the status of applying programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) inhibitors combined with vascular endothelial growth factor (VEGF)/vascular endothelial growth factor receptor (VEGFR) inhibitors in advanced refractory colorectal cancer. Method The relevant literature on domestic and foreign research in recent years was summarize. Results The discovery of immune checkpoint PD-1/PD-L1 and the clinical application of related drugs have changed the treatment pattern of advanced solid tumors, but PD-1/PD-L1 inhibitors have poor efficacy in mismatch repair prodicient tumors, and most advanced colorectal cancer belongs to this type. The combination of PD-1/PD-L1 inhibitors and VEGF/VEGFR inhibitors can enhance the therapeutic effect in advanced refractory colorectal cancer, and their interaction mechanisms and clinical efficacy are continuously being proven. Conclusions The combination of PD-1/PD-L1 inhibitors and VEGF/VEGFR inhibitors is a promising treatment strategy for advanced refractory colorectal cancer. More studies are needed to further clarify its efficacy.