A simple prognostic score to predict recurrence after pancreaticoduodenectomy for ampullary carcinoma: results from the French prospective FFCD-AC cohort

  • 0University Grenoble Alpes/Hepato-Gastroenterology and Digestive Oncology Department, CHU Grenoble Alpes/Institute for Advanced Biosciences, CNRS UMR 5309-INSERM U1209, Grenoble, France.

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Summary

This summary is machine-generated.

A new prognostic score for ampullary carcinoma (AC) identifies patients at high risk of recurrence. This score, based on tumor stage, grade, and subtype, aids in adjuvant treatment decisions for AC patients.

Area Of Science

  • Gastroenterology
  • Oncology
  • Surgical Oncology

Background

  • Ampullary carcinoma (AC) is a rare gastrointestinal cancer with a significant recurrence rate (~40%) post-surgery.
  • Prognostic factors and adjuvant treatment strategies for AC remain debated, impacting patient outcomes.

Purpose Of The Study

  • To identify prognostic factors for disease-free survival (DFS) and overall survival (OS) in resected AC.
  • To develop a user-friendly score to predict recurrence risk in AC patients.
  • To evaluate the benefit of adjuvant therapy on DFS and OS.

Main Methods

  • Analysis of the French nationwide prospective FFCD-AC cohort of 370 patients with non-metastatic resected AC.
  • Multivariable analysis to identify factors associated with DFS and OS.
  • Development of a prognostic score and propensity score matching to assess adjuvant chemotherapy efficacy.

Main Results

  • Stage III tumor, high tumor grade, and non-intestinal subtype were significantly associated with shorter DFS.
  • The developed score stratified patients into low, intermediate, and high-risk groups with distinct DFS and OS.
  • Adjuvant chemotherapy was associated with significantly longer DFS in the matched cohort.

Conclusions

  • An integrated prognostic score using lymph node invasion, tumor grade, and non-intestinal subtypes is a valuable tool for resected AC.
  • This score aids in risk stratification and can inform adjuvant treatment decisions.
  • External validation is recommended to confirm the score's prognostic utility.