Changes in serum uric acid, serum uric acid/serum creatinine ratio, and gamma-glutamyltransferase might predict the efficacy of neoadjuvant chemoradiotherapy in patients with locally advanced rectal cancer

被引:2
作者
Shao, Zhenyong [1 ]
Xu, Yuyan [1 ]
Zhang, Xuebang [1 ]
Zou, Changlin [1 ]
Xie, Raoying [1 ]
机构
[1] Wenzhou Med Univ, Dept Radiotherapy, Affiliated Hosp 1, Wenzhou 325000, Peoples R China
关键词
Efficacy; Neoadjuvant radiotherapy; Biomarkers; Changes; Treatment; PREOPERATIVE RADIOTHERAPY; POSTOPERATIVE CHEMORADIOTHERAPY; LYMPHOVASCULAR INVASION; CLINICAL MANAGEMENT; PROGNOSTIC-FACTORS; EUROPEAN-SOCIETY; TUMOR RESPONSE; RISK; CHEMOTHERAPY; MORTALITY;
D O I
10.1007/s00066-023-02096-4
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
PurposeThe purpose of this study was to investigate the predictive value of changes in serum uric acid (SUA), the ratio of serum uric acid to serum creatinine (SUA/SCr), and serum gamma-glutamyltransferase (GGT) from before to after therapy in patients with locally advanced rectal cancer (LARC).MethodsData from 114 LARC patients from January 2016 to December 2021 were included in this retrospective study. All patients received neoadjuvant chemoradiotherapy (nCRT) and total mesorectal excision (TME). The change in SUA was calculated as a ratio: (SUA level after nCRT-SUA level before nCRT)/SUA level before nCRT. The change ratios of SUA/SCr and GGT were calculated in the same way. The efficacy of nCRT was evaluated by magnetic resonance (MR) and postoperative pathological response. A nonlinear model was used to evaluate whether the change ratios of SUA, SUA/SCr, and GGT were associated with the efficacy of nCRT. The predictive power of the change ratios of SUA, SUA/SCr, and GGT was assessed by receiver operating characteristic (ROC) curves. Univariate and multivariate Cox regression analyses were employed to measure the associations between disease-free survival (DFS) and other predictive indicators. The Kaplan-Meier method was used to further compare DFS between groups.ResultsThe nonlinear model indicated that the change ratios of SUA, SUA/SCr, and GGT were associated with the efficacy of nCRT. The change ratios of SUA, SUA/SCr, and GGT were used to predict the area under the ROC curve of efficacy for nCRT (0.95, 0.91-0.99), which was better than the prediction by the change ratio of SUA (0.94, 0.89-0.99), SUA/SCr (0.90, 0.84-0.96), or GGT alone (0.86, 0.79-0.93; p < 0.05). The optimal cut-off values of SUA, SUA/SCr, and GGT change were 0.02, 0.01, and 0.04, respectively. The Kaplan-Meier method indicated that patients with SUA, SUA/SCr, or GGT changes greater than the cut-off values had shorter DFS (p < 0.05).ConclusionChange ratios of SUA, SUA/SCr, or GGT greater than the cut-off values implied a risk of poor pathological response after nCRT and shorter DFS in LARC patients.
引用
收藏
页码:523 / 534
页数:12
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