Clinical efficacy and safety of targeted therapy, immunotherapy combined with chemotherapy for treating patients with advanced gastric cancer

Objective: Exploring the clinical efficacy and safety of targeted therapy, immunotherapy combined with chemotherapy in the treatment of advanced gastric cancer. Methods: A retrospective analysis was performed on the medical records of 134 patients with advanced gastric cancer who visited Renmin Hospital, Hubei University of Medicine from January 2019 to December 2022. According to therapeutic regimens, enrolled patients were divided into the control group and the study group. Patients in the control group received chemotherapy intervention, while those in the study group were provided with a combined intervention of apatinib, PD-1 inhibitor and chemotherapy. We analyze the tumor control effect and incidence of adverse reactions in two groups of patients. Results: The disease control rate (DCR) of patients in the study group and the control group was 72.06% and 42.42%, with an overall response rate (ORR) of 8.82% and 4.55%, The differences are statistically significant(P<0.05). By the end of follow-up, the median progression-free survival (mPFS) and the median overall survival (mOS) of the control group patients were 3.0 +/- 0.266 and 5.0 +/- 0.224 months respectively; while the mPFS and mOS of the study group were 5.0 +/- 0.261 and 7.0 +/- 0.172 months respectively, the differences are statistically significant (P<0.05). However, there was no significant difference in adverse reactions between the two groups (P>0.05). Conclusion: The therapeutic regimen of apatinib, a PD-1 inhibitor combined with chemotherapy exhibits relatively high clinical efficacy and safety for the treatment of patients with advanced gastric cancer. It can be considered as an interventional option for this type of patient.