胃癌新辅助治疗的现状和挑战

Current status and challenges of neoadjuvant therapy in gastric cancer

  • 摘要: 近年来,新辅助治疗在胃癌综合性治疗中的作用愈发重要,新辅助治疗可使肿瘤降期,提高外科手术切除率及根治性切除率,降低肿瘤复发转移风险,从而为局部进展期胃癌病人带来生存获益。我国胃癌早期诊断率较低,大多数胃癌病人就诊时已为局部进展期,所以有必要探讨胃癌新辅助治疗的现状和挑战。笔者结合已有的临床研究结果和指南与共识,分析新辅助治疗在胃癌综合治疗中的应用情况。目前关于胃癌的新辅助治疗相关问题依然需要更多高质量的临床试验验证,如新辅助治疗的指征、类别和方案选择、最佳周期数和剂量、是否连用靶向药物或免疫抑制剂等。此外,针对病人的病理学分期、分子标志物、基因多态性等制订个体化治疗策略等问题仍尚未解决。笔者综合分析国内外文献,深入探讨胃癌新辅助治疗的现状和面临的挑战。

     

    Abstract: In recent years, neoadjuvant therapy, which can reduce the tumor stage, increase the surgical resection rate and the proportion of radical resection, reduce the risk of tumor recurrence and metastasis thus bringing survival benefit for local advanced gastric cancer patients, plays increasingly important roles in the comprehensive treatment of gastric cancer. In China, the early diagnosis rate of gastric cancer is particularly low and most patients with gastric cancer are diagnosed as locally advanced. Therefore, it is of crucial importance to discuss the current status and challenges of neoadjuvant therapy in gastric cancer. Combined with the existing clinical research results and guidelines and consensus, the authors analyze the application of neoadjuvant therapy in the comprehensive treatment of gastric cancer. Currently, more high‑quality clinical trials are still needed to answer the questions related to neoadjuvant therapy of gastric cancer, such as the indication and regimen, and the optimal cycles and doses of agents, combination of targeted therapy or immunotherapy. Furthermore, how to tailor the individualized treatment strategies according to the pathological stages, molecular characteristics and gene polymophism of patients are still the problems unsolved nowadays. The authors comprehensively analyze the literature at home and abroad to deeply explore the current status and challenges of neoadjuvant therapy in gastric cancer.

     

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