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Impact of neoadjuvant chemotherapy on the outcomes of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal peritoneal metastases: A multi-institutional retrospective review

  • Eliza W. Beal
  • , Lorena P. Suarez-Kelly
  • , Charles W. Kimbrough
  • , Fabian M. Johnston
  • , Jonathan Greer
  • , Daniel E. Abbott
  • , Courtney Pokrzywa
  • , Mustafa Raoof
  • , Byrne Lee
  • , Travis E. Grotz
  • , Jennifer L. Leiting
  • , Keith Fournier
  • , Andrew J. Lee
  • , Sean P. Dineen
  • , Benjamin Powers
  • , Jula Veerapong
  • , Joel M. Baumgartner
  • , Callisia Clarke
  • , Harveshp Mogal
  • , Marti C. Russell
  • Mohammed Y. Zaidi, Sameer H. Patel, Vikrom Dhar, Laura Lambert, Ryan J. Hendrix, John Hays, Sherif Abdel-Misih, Jordan M. Cloyd
  • Ohio State University
  • Johns Hopkins University
  • University of Wisconsin-Madison
  • City of Hope National Med Center
  • Mayo Clinic Rochester, MN
  • University of Texas MD Anderson Cancer Center
  • Moffitt Cancer Center
  • University of California at San Diego
  • Medical College of Wisconsin
  • Emory University
  • University of Cincinnati
  • University of Massachusetts Medical School

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Cytoreductive surgery (CRS) with or without hyperthermic intraperitoneal chemotherapy (HIPEC) is associated with improved survival for patients with colorectal peritoneal metastases (CR-PM). However, the role of neoadjuvant chemotherapy (NAC) prior to CRS-HIPEC is poorly understood. A retrospective review of adult patients with CR-PM who underwent CRS+/-HIPEC from 2000–2017 was performed. Among 298 patients who underwent CRS+/-HIPEC, 196 (65.8%) received NAC while 102 (34.2%) underwent surgery first (SF). Patients who received NAC had lower peritoneal cancer index score (12.1 + 7.9 vs. 14.3 + 8.5, p = 0.034). There was no significant difference in grade III/IV complications (22.4% vs. 16.7%, p = 0.650), readmission (32.3% vs. 23.5%, p = 0.114), or 30-day mortality (1.5% vs. 2.9%, p = 0.411) between groups. NAC patients experienced longer overall survival (OS) (median 32.7 vs. 22.0 months, p = 0.044) but similar recurrence-free survival (RFS) (median 13.8 vs. 13.0 months, p = 0.456). After controlling for confounding factors, NAC was not independently associated with improved OS (OR 0.80) or RFS (OR 1.04). Among patients who underwent CRS+/-HIPEC for CR-PM, the use of NAC was associated with improved OS that did not persist on multivariable analysis. However, NAC prior to CRS+/-HIPEC was a safe and feasible strategy for CR-PM, which may aid in the appropriate selection of patients for aggressive cytoreductive surgery.

Original languageEnglish
Article number748
JournalJournal of Clinical Medicine
Volume9
Issue number3
DOIs
StatePublished - Mar 2020

Keywords

  • Colorectal peritoneal metastases
  • Cytoreductive surgery
  • Hyperthermic intraperitoneal chemotherapy

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