ArticleClinical Medicine Insights. Oncology2024
High Systemic Immune-Inflammation Index Values Before Treatment Predict Poor Pancreatic Cancer Outcomes After Definitive Chemoradiotherapy.
Article in Clinical Medicine Insights. Oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Neutrophil-albumin ratio and multi-phase computed tomography for lymph node metastasis in pancreatic cancer.World journal of gastrointestinal oncology · 2025Article
- The place of advanced machine learning techniques in building pancreatic adenocarcinoma survival and recurrence prognosis models.Frontiers in oncology · 2025Review
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Authors and funding
8 authors.
Funding
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Abstract
Background: The systemic immune-inflammation index (SII) is an effective tool for predicting the prognosis of patients with cancer. However, its value in patients with locally advanced pancreatic ductal adenocarcinoma (LA-PDAC) undergoing definitive chemoradiotherapy has yet to be addressed. Therefore, we aimed to retrospectively investigate the prognostic significance of the pretreatment SII on the survival outcomes of patients with unresectable LA-PDAC treated with concurrent chemoradiotherapy (C-CRT). Methods: The study included 163 patients with LA-PDAC who had received C-CRT. Using receiver operating characteristic (ROC) curve analysis, the utility of a pre-C-CRT cutoff that could stratify survival results was investigated. The primary and secondary endpoints were the correlations between SII levels and overall survival (OS) and progression-free survival (PFS). Results: At a median follow-up period of 15 months (range: 3.2-94.5), the median OS and PFS rates for the entire group were 15.7 months (95% confidence interval [CI]: 13.4-17.9), and 7.8 months (95% CI: 6.1-9.4), respectively. We divided the patients into 2 SII cohorts based on the ROC curve analysis (area under the curve [AUC]: 71.9%; sensitivity: 68.9%; specificity: 66.7%): SII < 538 (N = 70) and SII ⩾ 538 (N = 93). Comparative survival analysis showed significantly inferior median OS (13.0 vs 25.4 months; Conclusions: Present results indicate that patients with unresectable LA-PDAC who underwent C-CRT and had a pretreatment SII ⩾ 538 had significantly worse OS and PFS outcomes compared with those with lower SII values.
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