Journal
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY
Volume 149, Issue 5, Pages 1765-1775Publisher
SPRINGER
DOI: 10.1007/s00432-022-04108-9
Keywords
Pancreatic cancer; Neoadjuvant chemotherapy; Pancreatectomy; Adjuvant chemotherapy; Survival
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This study aimed to assess the role of adjuvant FOLFIRINOX in patients with borderline resectable or locally advanced pancreatic cancer who received neoadjuvant FOLFIRINOX and surgery. The results showed that continued adjuvant mFOLFIRINOX and post-treatment CA 19-9 level were associated with survival in these patients.
Purpose We aimed to assess the role of adjuvant FOLFIRINOX, in comparison with other adjuvant therapy, in patients who received neoadjuvant FOLFIRINOX and surgery for borderline resectable or locally advanced pancreatic cancer (BRPC or LAPC). Methods Our target population was patients with BRPC or LAPC, who received adjuvant therapy following neoadjuvant FOLFIRINOX and surgery between June 2013 and October 2020. Multivariable Cox proportional-hazard model was used to identify factors associated with overall survival (OS) and recurrence free survival (RFS). Results Among 244 patients with BRPC or LAPC who received neoadjuvant FOLFIRINOX, 79 patients underwent subsequent surgery. Among them, 58 who received adjuvant therapy [median age, 63 years; 33 females (56.9%)] were included. Thirty patients received adjuvant modified FOLFIRINOX (mFOLFIRINOX), while 28 received adjuvant therapy other than FOLFIRINOX. In multivariable analysis, mFOLFIRINOX and post-treatment carbohydrate antigen 19-9 (CA 19-9) were significantly associated with OS and RFS. According to mFOLFIRINOX vs. other adjuvant therapy, median OS was not reached at 37.5 months of follow-up vs. 29.7 months (P = .012); and median RFS was 30.5 vs. 11.0 months (P = .028). According to post-treatment CA 19-9 (< 37 vs. >= 37 U/mL), median OS was 46.0 vs. 25.5 months (P = .022); and median RFS was 25.9 vs. 7.6 months (P = .012). Conclusion Continued adjuvant mFOLFIRINOX and post-treatment CA 19-9 level were associated with survival in patients with BRPC or LAPC who received neoadjuvant FOLFIRINOX and surgery. Continued adjuvant mFOLFIRINOX after neoadjuvant FOLFIRINOX could be considered for patients with good performance.
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