Dataset Information

Comparison of Docetaxel + Oxaliplatin + S-1 vs Oxalipatin + S-1 as Neoadjuvant Chemotherapy for Locally Advanced Gastric Cancer: A Propensity Score Matched Analysis.

ABSTRACT: Background:What is the optimal neoadjuvant chemotherapy (NAC) regimen for locally advanced gastric cancer (LAGC) remains debatable. The objective of this study was to compare the efficacy of docetaxel+oxaliplatin+S-1 (DOS) vs oxaliplatin+S-1 (SOX) as NAC for LAGC. Methods:Data of 248 LAGC patients who received either DOS or SOX as NAC in our hospital between January 2010 and January 2018 were reviewed retrospectively. Propensity score matched (PSM) analysis was applied to minimize the selection bias in both groups. Prognostic factors were screened by univariate and multivariate Cox regression analyses. Results:Of the 248 LAGC patients included, 180 patients were subjected to the PSM analysis. Patients in DOS group showed a better tumor response to NAC, higher radical resection rate and R0 resection rate than those in SOX group. The overall survival (OS) rate in DOS group was better than that in SOX group, although the overall incidence of Grade 3/4 NAC-related toxicity in DOS group was higher, as represented by leukopenia and neutropenia. Multivariate analysis revealed that the NAC regimen, cTNM stage and the R0 resection rate were independent prognostic factors. In addition, patients with TLND less than 16 population showed a worse OS rate. Subgroup analysis indicated that patients benefited from the addition of docetaxel regardless of the clinical T stage, but those with high clinical N stages (N2-3) did not. Conclusion:DOS is a safe and feasible NAC regimen for LAGC, which is worth popularizing in clinical practice.

SUBMITTER: Zhang X

PROVIDER: S-EPMC7398747 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Comparison of Docetaxel + Oxaliplatin + S-1 vs Oxalipatin + S-1 as Neoadjuvant Chemotherapy for Locally Advanced Gastric Cancer: A Propensity Score Matched Analysis.

Zhang Xin X Huang Hejing H Wei Ziran Z Zhu Zhenxin Z Yang Dejun D Fu Hongbing H Xu Jiapeng J Hu Zunqi Z Zhang Yu Y You Qing Q Huang Xin X Yan Ronglin R Wang Weimin W Cai Qingping Q

Cancer management and research 20200730

<h4>Background</h4>What is the optimal neoadjuvant chemotherapy (NAC) regimen for locally advanced gastric cancer (LAGC) remains debatable. The objective of this study was to compare the efficacy of docetaxel+oxaliplatin+S-1 (DOS) vs oxaliplatin+S-1 (SOX) as NAC for LAGC.<h4>Methods</h4>Data of 248 LAGC patients who received either DOS or SOX as NAC in our hospital between January 2010 and January 2018 were reviewed retrospectively. Propensity score matched (PSM) analysis was applied to minimize ...[more]

PMID: 32801898

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Project description:The current study aimed to evaluate the efficacy and safety of neoadjuvant apatinib plus tegafur/gimeracil/oteracil potassium (S-1) plus oxaliplatin (SOX) chemotherapy in patients with locally advanced gastric carcinoma (LAGC). Therefore, patients with LAGC treated with neoadjuvant apatinib plus SOX chemotherapy (apatinib + SOX group; n=25) or SOX chemotherapy (SOX group; n=35) were enrolled in the present study. Subsequently, the objective response (ORR) and disease control rates (DCR), pathological response, disease-free survival (DFS), overall survival (OS) and adverse events were recorded. The results showed that patients in the apatinib + SOX group exhibited a higher ORR (64.0 vs. 37.1%; P=0.040), but a similar DCR (96.0 vs. 88.6%; P=0.580), compared with those in the SOX group. The pathological response rates in patients with grade 0, 1, 2 and 3 LAGC were 0.0, 20.8, 62.5 and 16.7%, respectively, in the apatinib + SOX group, while in those treated with SOX alone they were 9.1, 39.4, 42.4 and 9.1%, respectively. By contrast, the pathological response was elevated in the apatinib + SOX group compared with the SOX group (P=0.030). During a median follow-up period of 21.0 months (range, 6.4-38.1 months), median DFS and OS were not reached. More specifically, the 1-, 2- and 3-year DFS rates were 91.7, 75.2 and 75.2% in the apatinib + SOX group and 71.8, 59.6 and 44.7% in the SOX group, respectively. In addition, the 1-, 2- and 3-year OS rates were 100.0, 89.6 and 78.4% in the apatinib + SOX group, while those in the SOX group were 90.3, 69.2 and 55.4%, respectively. However, no differences in DFS (P=0.094) or OS (P=0.155) were observed between the two groups. Additionally, the most common adverse events in the SOX group were mild leukopenia (42.9%) and fatigue (34.3%), while those in the apatinib + SOX group were tolerable leukopenia (44.0%) and hypertension (44.0%). In conclusion, the present study suggested that neoadjuvant apatinib plus SOX chemotherapy could be more effective and tolerable compared with SOX chemotherapy alone in patients with LAGC.

Dataset Information

Comparison of Docetaxel + Oxaliplatin + S-1 vs Oxalipatin + S-1 as Neoadjuvant Chemotherapy for Locally Advanced Gastric Cancer: A Propensity Score Matched Analysis.

Publications

Comparison of Docetaxel + Oxaliplatin + S-1 vs Oxalipatin + S-1 as Neoadjuvant Chemotherapy for Locally Advanced Gastric Cancer: A Propensity Score Matched Analysis.

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