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Adjuvant chemotherapy improves survival in resected early-onset pancreatic cancer after neoadjuvant therapy

2025-08-07
(Press-News.org) Background and objectives The incidence of early-onset pancreatic cancer (EOPC) is rising, yet optimal treatment strategies remain unclear. While adjuvant chemotherapy (ACT) has shown survival benefits in pancreatic ductal adenocarcinoma, its specific role in EOPC patients following neoadjuvant chemotherapy (NACT) and surgery remains underexplored. This study aimed to assess the clinical benefit of ACT in EOPC patients after NACT.

Methods This retrospective cohort study analyzed pancreatic ductal adenocarcinoma patients from the SEER database (2006–2019) who received NACT followed by curative resection. Propensity score matching (1:1) was used to balance covariates such as tumor, lymph node, metastasis stage, chemotherapy, and radiotherapy. Overall survival (OS) and cancer-specific survival (CSS) were compared between patients with EOPC (<50 years) and average-onset pancreatic cancer (AOPC, ≥50 years). Multivariate Cox regression analysis was performed to identify prognostic factors.

Results After propensity score matching (124 EOPC vs. 124 AOPC), EOPC patients had significantly longer median OS (41.0 vs. 29.0 months, P = 0.042) and CSS (48.0 vs. 30.0 months, P = 0.016). ACT was an independent prognostic factor for EOPC (OS: hazard ratio = 0.495, 95% confidence interval 0.271–0.903, P = 0.022; CSS: hazard ratio = 0.419, 95% confidence interval 0.219–0.803, P = 0.009), but not for AOPC (P > 0.05). Subgroup analysis revealed that EOPC patients with tumor, lymph node, metastasis stage II disease or those receiving ACT derived the greatest survival benefit.

Conclusions EOPC patients exhibit superior survival following NACT and surgical resection compared to AOPC, with ACT further enhancing outcomes in this subgroup. These findings support the use of tailored ACT for EOPC and underscore the need for prospective validation.

 

Full text

https://www.xiahepublishing.com/2996-3427/OnA-2025-00008

 

The study was recently published in the Oncology Advances.

Oncology Advances is dedicated to improving the diagnosis and treatment of human malignancies, advancing the understanding of molecular mechanisms underlying oncogenesis, and promoting translation from bench to bedside of oncological sciences. The aim of Oncology Advances is to publish peer-reviewed, high-quality articles in all aspects of translational and clinical studies on human cancers, as well as cutting-edge preclinical and clinical research of novel cancer therapies.

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[Press-News.org] Adjuvant chemotherapy improves survival in resected early-onset pancreatic cancer after neoadjuvant therapy