Abstract
After decades of research, pancreatic cancer is still a devastating disease. The aim of this article was to assess the efficacy and safety of combination chemotherapy with gemcitabine (GEM) and S-1 (GS) therapy compared with GEM alone therapy in patients with locally advanced or metastatic pancreatic cancer. Relevant trials were identified by searching databases. Five trials were selected in this article. The indicators we used were overall response rate, disease control rate, 1-year survival rate and haematological toxicities. Meta-analysis of the pooled data demonstrated that the overall response rate (risk ratio, RR = 2.52, 95% confidence interval, CI: 1.85-3.42, P < 0.00001) and disease control rate (RR = 1.24, 95% CI: 1.12-1.37, P < 0.0001) were significantly different for the GS and GEM alone chemotherapies. Among the group of patients, 43.4% in the GS group and 31.4% in the GEM group survived more than a year. According to this, patients who use the GS regiment may have a better prognosis than the GEM regiment (RR = 1.62, 95% CI: 1.12-2.33, P = 0.04). The combination chemotherapy with GEM and S-1 group had higher haematological toxicities including neutropaenia (RR = 1.58, 95% CI: 1.17-2.14, P = 0.003) and thrombocytopae...Continue Reading
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