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Efficacy and safety of SOX chemotherapy with or without surgery in AFP-producing advanced gastric cancer.

ABSTRACT: The present study investigated the clinical efficacy of S-1 plus oxaliplatin (SOX) regimen, with or without surgery in α-fetoprotein-producing gastric cancer (APGC) with liver metastasis. A total of 24 patients with APGC treated at the Liaocheng People's Hospital between January 2011 and December 2013 were retrospectively reviewed. Clinical efficacy and patient safety were compared between the two groups. The median progression-free survival (PFS) and overall survival (OS) in the SOX group were 6.5 [95% confidence interval (CI), 4.6-8.4] and 13.5 (95% CI, 8.1-18.9) months, respectively. The corresponding indicators in the SOX and surgery group were 7.0 (95% CI, 5.7-8.3) and 14 (95% CI, 11.0-17.1) months, respectively. There was no significant difference in PFS and OS between the two groups (P=0.703 and 0.710, respectively). The adverse effects of leucopenia, neutropenia, anemia and diarrhea occurred in ~10% of patients in the SOX group and in 14.3% (2/14), 7.14% (1/14), 14.3% (2/14) and 7.14% (1/14), respectively, in the surgery group. No significant difference was identified between groups in terms of overall incidence of adverse effects (P=0.17). However, severe adverse events, including gastroplegia, pancreatic fistula, pulmonary infection and refractory ascites, occurred only in the SOX plus surgery group [incidence rate for severe adverse events, 7.14% (1/14); P<0.001 between groups]. In conclusion, SOX chemotherapy is safe and effective in patients with APGC and liver metastasis. However, the addition of surgery to SOX chemotherapy may not improve the disease control rate and may increase the adverse effects.

SUBMITTER: Li Z

PROVIDER: S-EPMC5494698 | biostudies-other | 2017 Jul

REPOSITORIES: biostudies-other

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Project description:BACKGROUND:Elemene is a natural compound extracted from Zingiberaceae plants, and is used in various cancer. However, the efficacy and safety elemene combined with chemotherapy in advanced gastric cancer (GC) are lack of systematic assessment. METHODS:we searched the PubMed, EMBASE, Web of Science, Cochrane Library, China Academic Journals (CNKI), Chinese Science and Technology Journals (CQVIP) and Chinese Biomedical Literature databases. Randomized controlled trials (RCTs) comparing elemene plus chemotherapy with chemotherapy alone in participants with advanced GC and reporting at least one of the following outcomes were selected and assessed for inclusion. JADAD scale was used to assess the quality. Data was screened and extracted by two independent investigators. The primary clinical outcome was overall response rate (ORR); the secondary outcomes were quality of life (QOL) and adverse events (AEs). Analysis was performed using Review Manager 5.3. RESULTS:Sixteen RCTs matched the selection criteria, which reported on 969 subjects. Risk ratios (RR) and corresponding 95% confidence intervals (CIs) were pooled for ORR, life quality based on KPS, and risk of AEs. Compared to chemotherapy alone, elemene combined with chemotherapy in the treatment of GC may increase the efficiency of ORR(RR: 1.41; 95% CI: 1.23-1.60; P?<?.0001), improve their life quality based on KPS (RR: 1.84; 95% CI: 1.45-2.34; P?<?.00001), and reduce the adverse reactions, including leukopenia(RR: 0.73; 95% CI: 0.62-0.85; P?<?.00001), neutropenia (RR: 0.75; 95% CI: 0.60-0.95; P?=?.02), anemia (RR: 0.76; 95% CI: 0.60-0.95; P?=?.02), thrombocytopenia (RR: 0.56; 95% CI: 0.43-0.73; P?<?.00001). Nausea and vomiting (RR: 0.84; 95% CI: 0.84-1.07; P?=?.39), diarrhea (RR: 0.69; 95% CI: 0.41-1.15; P?=?.15), neurotoxicity (RR: 0.77; 95% CI: 0.59-1.00; P?=?.05) and hepatic dysfunction (RR: 0.95; 95% CI: 0.58-1.54; P?=?.83) were similar between two groups. CONCLUSIONS:Elemene may have the potential to improve the efficacy and reduce the AEs of chemotherapy for gastric cancer. However, the long-term, high-quality researches with a large sample size in different populations are required.

Project description:The aim of our meta-analysis is to assess the efficacy and safety of the target combined chemotherapy for the patients with unresectable advanced or recurrent gastric cancer.In accordance with the standard meta-analysis procedures, the patients included in our study were with unresectable advanced or recurrent gastric cancer and allocated randomly to receive target combined chemotherapy or the traditional chemotherapy. The search was applied to PubMed, EMBASE, Science Citation Index Expanded, Cocran's library (from inception to February 2016). All analyses were performed by STATA 12.0, with the odds ratio, hazard ratio, and 95 % confidence interval as the effect measures.Fourteen studies were included in this meta-analysis. A total of 5067 patients with advanced gastric cancer were divided into two arms: traditional chemotherapy arm and target combined chemotherapy arm. A significant improvement for overall survival (hazard ratio was 0.89, 95 % confidence interval: 0.83-0.95) and overall response rate (odds ratio was 1.44, 95 % confidence interval: 1.15-1.81) was observed, but no significant difference was found for progression-free survival (hazard ratio was 0.89, 95 % confidence interval: 0.77-1.00) in the target combined chemotherapy arm. In subgroup analysis, increasing benefits regarding overall survival and progression-free survival were found in anti epidermal growth factor receptor target drugs for selected patients subgroup and anti vascular endothelial growth factor receptor target drugs for unselected patients subgroup, but not in anti epidermal growth factor receptor target drugs for unselected patients subgroup. Besides, some adverse events were increased in the target combined chemotherapy arm.The target combined chemotherapy represented a better overall survival benefit and treatment efficiency and higher incidence of some grade 3-4 adverse events than the traditional chemotherapy for patients with unresectable advanced or recurrence gastric cancer. The anti vascular endothelial growth factor receptor drugs can improve the efficacy in the whole patients with unresectable advanced or recurrence gastric cancer and the anti epidermal growth factor receptor target drugs can only improve the efficacy in the epidermal growth factor receptor positive patients.

Project description:Xiao Ai Ping injection (XAPI), extracted from the Chinese herbal medicine Marsdenia tenacissima, is widely used in the adjuvant treatment of tumors in China. The present study aimed to evaluate the efficacy and safety of XAPI combined with chemotherapy for treating patients with advanced gastric cancer. Seven databases were searched for relevant studies published up to October 1, 2018, and Review Manager 5.3 software and Stata 12.0 software were used for meta-analysis. Fourteen studies, representing 1097 enrolled patients, were included in our analysis. Compared with chemotherapy alone, combination treatment with XAPI and the XELOX regimen (capecitabine plus oxaliplatin) was found to improve the objective response rate (ORR) [RR=1.36; 95%CI (1.10, 1.70); P=0.006], disease control rate (DCR) [RR=1.15; 95% CI (1.04, 1.28); P=0.010], and Karnofsky Performance Status (KPS) improvement rate [RR=1.51; 95%CI (1.14, 2.00); P=0.004] and to reduce the incidence of leukopenia [RR=0.68; 95%CI (0.55,0.84); P=0.0005], liver damage [RR=0.59; 95% CI (0.37, 0.92); P=0.02], renal impairment [RR=0.39; 95% CI (0.18, 0.85); P=0.02], and hand-foot syndrome [RR=0.56; 95%CI (0.35,0.90); P=0.02]. However, median progression-free survival (PFS), 1-year survival rate, and median overall survival (OS) were not extended by XAPI plus XELOX. Combination treatment with XAPI and the SOX regimen (tegafur plus oxaliplatin) did not improve ORR or DCR, but it did enhance the KPS improvement rate [RR=1.73; 95%CI (1.23,2.43); P=0.002] and reduce the incidence of nausea and vomiting [RR=0.66; 95% CI (0.50, 0.88); P=0.004]. XAPI in combination with the FOLFOX regimen (fluorouracil/calcium folinate/oxaliplatin) enhanced only the KPS improvement rate [RR=1.68; 95%CI (1.18,2.39); P=0.004] and had no significant effect on ORR or DCR or the incidence of adverse events. A single study reported that XAPI combined with the CPT-11 regimen (irinotecan) was superior to chemotherapy alone with respect to DCR and also reduced the incidence of leukopenia, liver damage, and hand-foot syndrome during chemotherapy, while prolonging PFS. Finally, one study reported that XAPI combined with the TP regimen (palitaxel plus cisplatin) improved ORR and KPS improvement rate to a greater extent than TP alone. Although the present review has some limitations, the findings suggest that XAPI combined with chemotherapy may represent a beneficial treatment strategy, particularly the combination of XAPI and XELOX.

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Efficacy and safety of SOX chemotherapy with or without surgery in AFP-producing advanced gastric cancer.

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