结直肠癌肿瘤疫苗的研究进展

Advances in vaccines for colorectal cancer

  • 摘要: 手术是结直肠癌唯一可能的治愈性手段,但对于局部进展和远处转移结直肠癌的治疗效果仍不理想。多数结直肠癌原发灶可以通过手术切除,但术后仍有一半会复发。化疗和放疗一定程度上提高了患者的生存率,降低了复发率,但其对机体的累积毒性不可忽视,且临床上对放化疗耐受的情况时有发生。生物免疫治疗可激发机体针对肿瘤的特异反应,是一种无毒性的理想治疗手段,有望成为继手术、放化疗后一种新的有效的辅助治疗方式。肿瘤疫苗作为一种特异性主动免疫治疗策略,显示出了良好的应用前景。本文就结直肠癌肿瘤疫苗的基础和临床研究进展进行综述。

     

    Abstract: At present, surgical resection is the only potential curative treatment for colorectal cancer, but the effect is not so good for patients with locally advanced and distant metastatic tumors. Although most primary lesions of colorectal cancer can be resected through surgery, up to 50% of it will relapse postoperatively. Chemotherapy and radiotherapy can improve overall survival and reduce recurrence rate to a certain extent, but the cumulative toxicity to human body should not be ignored. What's more, resistance to chemotherapy and radiotherapy in clinical practice occurs sometimes. Biological immunotherapy works by stimulating the specific adaptive immune response against tumor, which is non-toxic and acts as a promising treatment regimen of adjuvant therapy following traditional therapeutic approaches. Tumor vaccine, as a specific active immunotherapy strategy, shows a promising prospect in future. Here, we conduct a comprehensive review concerning the advance of vaccine for colorectal cancer in preclinical and clinical research.

     

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