Neoadjuvant gemcitabine, S-1, and intensity-modulated radiotherapy (IMRT) in patients with locally advanced pancreatic adenocarcinoma (PDAC)

Pancreatology ◽  
2016 ◽  
Vol 16 (4) ◽  
pp. S46
Author(s):  
Yuichi Hosokawa ◽  
Yuichi Nagakawa ◽  
Yatsuka Sahara ◽  
Chie Takishita ◽  
Tetsushi Nakajima ◽  
...  
Keyword(s):  
Pancreatic Adenocarcinoma ◽  
Locally Advanced ◽  
Intensity Modulated Radiotherapy ◽  
Intensity Modulated ◽  
Locally Advanced Pancreatic Adenocarcinoma ◽  
Advanced Pancreatic Adenocarcinoma

scholarly journals Outcomes of Patients with Initially Locally Advanced Pancreatic Adenocarcinoma who did not Benefit from Resection: A Prospective Cohort Study

2020 ◽  
Author(s):  
Jonathan Garnier ◽  
Jacques Ewald ◽  
Ugo Marchese ◽  
Marine Gilabert ◽  
Simon Launay ◽  
...  
Keyword(s):  
Confidence Interval ◽  
Pancreatic Adenocarcinoma ◽  
Metastatic Disease ◽  
Performance Status ◽  
Locally Advanced ◽  
Wilcoxon Test ◽  
Stepwise Logistic Regression ◽  
Short Term Treatment ◽  
Locally Advanced Pancreatic Adenocarcinoma ◽  
Advanced Pancreatic Adenocarcinoma

Abstract Background: The current study aimed to evaluate the outcomes of patients with unresectable non-metastatic locally advanced pancreatic adenocarcinoma (LAPA) who did not benefit from resection considering the treatment strategy in the clinical settings. Methods: Between 2010 and 2017, a total of 234 patients underwent induction chemotherapy for LAPA that could not be treated with surgery. After oncologic restaging, continuous chemotherapy or chemoradiation (CRT) was decided for patients without metastatic disease. The Kaplan–Meier method was used to determine overall survival (OS), and the Wilcoxon test to compare survival curves. Multivariate analysis was performed using the stepwise logistic regression method. Results: FOLFIRINOX was the most common induction regimen (168 patients, 72%), with a median of 6 chemotherapy cycles and resulted in higher OS, compared to gemcitabine (19 vs. 16 months, hazard ratio (HR)=1.2, 95% confidence interval: 0.86–1.6, P =.03). However, no difference was observed after adjusting for age (≤75 years) and performance status score (0–1). At restaging, 187 patients (80%) had non-metastatic disease: CRT was administered to 126 patients (67%) while chemotherapy was continued in 61 (33%). Patients who received CRT had characteristics comparable to those who continued with chemotherapy, with similar OS. They also had longer progression-free survival (median 13.3 vs. 9.6 months, HR=1.38, 95% confidence interval: 1–1.9, P <.01) and limited short-term treatment-related toxicity. Conclusions: The median survival of patients who could not undergo surgery was 19 months. Hence, CRT should not be eliminated as a treatment option and may be useful as a part of optimised sequential chemotherapy for both local and metastatic disease.

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