The Impact of Hospital Neoadjuvant Therapy Utilization on Survival Outcomes for Pancreatic Cancer

Alexander V. Fisher, Daniel E. Abbott, Manasa Venkatesh, Glen E. Leverson, Stephanie A. Campbell-Flohr, Sean M. Ronnekleiv-Kelly, Caprice C. Greenberg, Emily R. Winslow, Sharon M. Weber

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Background: Many surgeons advocate the use of neoadjuvant treatment for resectable pancreatic cancer, however little is known about variation in the utilization of neoadjuvant therapy (NAT) at the hospital level. Methods: The National Cancer Data Base was used to identify patients undergoing resection for pancreatic cancer between 2006 and 2014 at high-volume centers. Hospitals were grouped by NAT utilization using standard deviations (SD) from the mean as follows: high neoadjuvant utilizers (> 2 SDs above the mean, > 40% of patients receiving NAT); medium–high (1–2 SDs, 27–40%), medium (0–1 SD, 14–26%); or low (− 1.1 to 0 SDs, < 14%). Overall survival (OS) was compared across NAT utilization groups. Results: Among 107 high-volume centers, 20,119 patients underwent resection. The proportion of patients receiving NAT varied widely among hospitals, ranging from 0 to 74%, with only five centers using NAT in > 40% of patients. These five hospitals had the longest median OS at 28.9 months, compared with 21.1 months for low neoadjuvant utilizers (p < 0.001). On multivariable analysis, high and medium–high NAT utilization predicted improved OS, with a hazard ratio (HR) of 0.68 (95% confidence interval [CI] 0.56–0.83, p < 0.001) and 0.80 (95% CI 0.68–0.95, p = 0.010), respectively, compared with low utilizers. After excluding patients who underwent NAT, there remained an association of improved OS with high NAT utilization (HR 0.74, 95% CI 0.60–0.93, p = 0.009). Conclusion: High-volume hospitals that more commonly utilize NAT demonstrated longer survival for all patients treated at those centers. In addition to altering patient selection for surgery, high neoadjuvant utilization may be a marker of institutional factors that contribute to improved outcomes.

Original languageEnglish (US)
Pages (from-to)2661-2668
Number of pages8
JournalAnnals of surgical oncology
Volume25
Issue number9
DOIs
StatePublished - Sep 1 2018
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Oncology

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