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find Author "LIU Jixiang" 3 results
  • Research progress on drug therapy for metastatic colorectal cancer

    Objective To understand the latest research progress of chemotherapy, targeted therapy and immunotherapy drugs in the treatment of metastatic colorectal cancer. Method The literature on the efficacy of different treatment drugs for metastatic colorectal cancer in recent years both domestically and internationally was retrieved and reviewed. Results There had been many clinical research progress in the treatment of metastatic colorectal cancer, new drugs had emerged, targeted drugs were particularly prominent, and more trials of therapeutic drugs and drug combination treatment regimens were also being carried out. Different treatment methods were applied to patients according to the mutation status of RAS/RAF and the expression of mismatch repair protein, the survival benefit varied greatly. Conclusion Precision medicine is becoming increasingly important, screening patients to choose appropriate treatment modality can further improve survival benefit.

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  • Advances in immunotherapy for advanced gastric cancer

    ObjectiveTo recognize the latest research progress of immunotherapy for advanced gastric cancer (AGC). MethodThe domestic and international literature on immunotherapy for AGC in recent years were retrieved and reviewed. ResultsThe immunotherapy for AGC mainly focused on immune checkpoint inhibitors (ICIs), cellular immunity, and antitumor vaccines. The most immunotherapy researched was ICIs, especially for programmed death protein-1 / programmed death protein ligand 1, cytotoxic T lymphocyte associated antigen 4, and lymphocyte activating gene 3. The cellular immunotherapy and tumor vaccine therapy were less relatively. Although immunotherapy alone did not have a particularly good effect, its therapeutic effect was not inferior to that of chemotherapy alone and the incidence of adverse reactions was lower. Moreover, most studies had concluded that the use of immunotherapy in combination with other therapy had shown a good clinical efficacy, especially in combination with anti-human epidermal growth factor receptor 2 antibody, and chimeric antigen receptor T cells targeting Claudin 18.2 site had promising results in the AGC. ConclusionsWith the development of immunotherapy research, the strategies of immunotherapy for AGC are also constantly improving. Precision medicine is important in the process of immunotherapy. Targeted screening suitable patients and adopting precise treatment can further benefit the survival of patients with AGC.

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  • Advance on prevention of duodenal stump leakage after laparoscopic radical gastrectomy for gastric cancer

    ObjectiveTo recognize the recent research progress in the prevention of duodenal stump leakage (DSL) after laparoscopic radical gastrectomy (LRG) for gastric cancer, so as to find a new breakthrough point for reducing the occurrence of DSL. MethodA review was conducted by searching recent domestic and international literature on the prevention and management of DSL after LRG for gastric cancer. ResultsAt present, the risk factors of DSL after LRG were generally recognized in the literature, including patients’ relevant factors and surgery relevant factors. The relevant factors of the patients themselves mainly were old age, malnutrition, and basic diseases; The factors relevant surgery mainly included surgical instruments, doctors’ operation level, etc. According to the literature, the measures taken for patients’relevant factors mainly included preoperative improvement of nutritional status and control of the basic diseases; The preventive measures adopted for the operation relevant factors mainly included carefully intraoperative operation, improving the anastomosis skills, and tacit cooperation of the team, which could reduce the occurrence of DSL. There was still controversy about the effect and method of routine duodenal stump reinforcement during operation. ConclusionsThe focus of reducing the occurrence of DSL is prevention. In clinical practice, patients with high-risk factors should receive special attention, with efforts to improve their condition, implement individualized decision-making, and perform meticulous intraoperative techniques to minimize complications, promote rapid postoperative recovery, and maximize patient benefits.

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