Improved Overall Survival of Patients with Pancreatic Cancer through Multiagent Chemotherapy and Increased Rates of Surgical Resection

Document Type

Article

Publication Date

6-9-2023

Institution/Department

Oncology, Surgery

Journal Title

The American surgeon

Abstract

BACKGROUND: Seminal trials have demonstrated improved survival in pancreatic adenocarcinoma with novel multiagent chemotherapy regimens. To understand the clinical ramifications of this paradigm shift, we reviewed our institutional experience. METHODS: This retrospective cohort study utilized a prospective database at a single institution to study all patients diagnosed with and treated for pancreatic adenocarcinoma between 2000 and 2020. RESULTS: 1,572 patients were included of which 36% were diagnosed before (Era 1) and 64% after (Era 2) 2011. Survival improved in Era 2 (Median survival 10 vs 8 months, HR .79; < .001). The survival advantage for Era 2 was primarily seen in patients with high-risk disease (12 vs10 months, HR .71; < .001). A similar trend was noted for patients undergoing surgical resection (26 vs 21 months, HR .80; = .081) and with imminently resectable tumors (19 vs 15 months, HR .88; = .4); however, this was not statistically significant. There was no survival advantage for patients with stage IV disease (4 vs 4 months). Patients in Era 2 were more likely to undergo surgery (OR 2.78; CI 2.00-3.92, < .001). This increase was driven primarily by increased surgical resection for those with high-risk disease (42 vs 20%, OR 3.74; < .001). DISCUSSION/CONCLUSIONS: This single institutional study showed improved survival after the shift to novel chemotherapy regimens. This was driven by improved survival for patients with high-risk disease and may be due to more effective eradication of microscopic metastatic disease with adjuvant chemotherapy and increased resection rates.

Comments

Laura Nicolais- Resident

First Page

31348221148350

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