Oncologic resection of pancreatic cancer with isolated liver metastasis: Favorable outcomes in select patients

Minako Nagai, Michael J. Wright, Ding Ding, Elizabeth D. Thompson, Ammar A. Javed, Matthew J. Weiss, Ralph H. Hruban, Jun Yu, Richard A. Burkhart, Jin He, John L. Cameron, Christopher L. Wolfgang, William R. Burns

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Patients with pancreatic ductal adenocarcinoma (PDAC) and liver metastasis are treated with palliative chemotherapy, whereas similar patients with metastatic colorectal cancer are considered for aggressive surgery. Methods: Using an institutional database, PDAC patients undergoing liver resection for isolated metastasis were identified. Their overall survival (OS), treatment factors, and clinicopathological variables associated with survival were also evaluated. Results: Forty-seven patients underwent curative-intent surgery for metastatic PDAC to the liver between 2000 and 2019. Median OS was 21.9 months from diagnosis. Fourteen patients underwent unplanned resection of radiographically occult liver metastasis during pancreatectomy with median OS of 8.7 months. On the other hand, 29 patients received systemic chemotherapy followed by planned resection; this cohort had the most favorable prognosis following aggressive surgery with median OS being 38.1 months from diagnosis and 24.1 months from surgery. Preoperative chemotherapy (HR = 7.1; p =.002) and moderate to well differentiation of the primary tumor (HR = 3.7; p =.003) were associated with prolonged survival in multivariate analysis, whereas lymph node metastases, response to preoperative therapy, number of liver metastasis, and extent of liver surgery were not. Conclusions: In select patients with PDAC and isolated liver metastasis, curative-intent surgery can result in meaningful survival. This aggressive approach seems most beneficial in patients following induction chemotherapy.

Original languageEnglish (US)
Pages (from-to)1025-1035
Number of pages11
JournalJournal of Hepato-Biliary-Pancreatic Sciences
Volume30
Issue number8
DOIs
StatePublished - Aug 2023

Keywords

  • chemotherapy
  • isolated liver metastasis
  • oligometastatic pancreatic cancer
  • resection

ASJC Scopus subject areas

  • Surgery
  • Hepatology

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