AIM: To assess the efficiency and toxicities of irinotecan (CPT-11)-involved regimens in patients with advanced gastric cancer. METHODS: Randomized phases II and III clinical trials on chemotherapy for advanced gastric cancer were searched from MEDLINE, EMbase, Cochrane Controlled Trials Register, and EBSCO. Relevant abstracts were manually searched. A total of 657 patients were analyzed for their overall response rate (ORR), time to treatment failure (TTF), overall survival (OS) rate, and toxicities. Overall survival rate, reported as hazard ratio (HR) with 95% CI, was used as the primary outcome measure. RESULTS: Four randomized controlled trials on chemotherapy for advanced gastric cancer were detected. The CPT-11-containing combination chemotherapy was not significantly advantageous over the non CPT-11-containing combination chemotherapy for OS rate (HR = 1.12, 95% CI: 0.92-1.36, P = 0.266) and ORR [risk ratio (RR) = 1.23, 95% CI: 0.71-2.14, P = 0.458]. However, the CPT-11-containing combination chemotherapy was significantly advantageous over the non CPT-11-containing combination chemotherapy for TTF (HR = 1.35, 95% CI: 1.12-1.64, P = 0.002). Grade 3/4 haematological toxicity (thrombocytopenia: RR = 0.20, 95% CI: 0.09-0.48; P < 0.001) and gastrointestinal toxicity (diarrhea: RR = 4.09, 95% CI: 2.42-6.93, P < 0.001) were lower in patients with advanced gastric cancer after CPT-11-containing combination chemotherapy than after non CPT-11 -containing combination chemotherapy. CONCLUSION: CPT-11-containing combination chemotherapy is advantageous over non CPT-11 -containing combination chemotherapy for TTF with no significant toxicity. CPT-11-containing combination chemotherapy can be used in treatment of advanced gastric cancer.
AIM: To assess the efficiency and toxicities of irinotecan (CPT-11)-involved regimens in patients with advanced gastric cancer. METHODS: Randomized phases II and III clinical trials on chemotherapy for advanced gastric cancer were searched from MEDLINE, EMbase, Cochrane Controlled Trials Register, and EBSCO. Relevant abstracts were manually searched. A total of 657 patients were analyzed for their overall response rate (ORR), time to treatment failure (TTF), overall survival (OS) rate, and toxicities. Overall survival rate, reported as hazard ratio (HR) with 95% CI, was used as the primary outcome measure. RESULTS: Four randomized controlled trials on chemotherapy for advanced gastric cancer were detected. The CPT-11-containing combination chemotherapy was not significantly advantageous over the non CPT-11-containing combination chemotherapy for OS rate (HR = 1.12, 95% CI: 0.92-1.36, P = 0.266) and ORR [risk ratio (RR) = 1.23, 95% CI: 0.71-2.14, P = 0.458]. However, the CPT-11-containing combination chemotherapy was significantly advantageous over the non CPT-11-containing combination chemotherapy for TTF (HR = 1.35, 95% CI: 1.12-1.64, P = 0.002). Grade 3/4 haematological toxicity (thrombocytopenia: RR = 0.20, 95% CI: 0.09-0.48; P < 0.001) and gastrointestinal toxicity (diarrhea: RR = 4.09, 95% CI: 2.42-6.93, P < 0.001) were lower in patients with advanced gastric cancer after CPT-11-containing combination chemotherapy than after non CPT-11 -containing combination chemotherapy. CONCLUSION:CPT-11-containing combination chemotherapy is advantageous over non CPT-11 -containing combination chemotherapy for TTF with no significant toxicity. CPT-11-containing combination chemotherapy can be used in treatment of advanced gastric cancer.
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