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Evaluation of Inflammatory Scores in Metastatic Colorectal Cancer Patients Undergoing Transarterial Radioembolization

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To evaluate the correlation of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), aspartate aminotransferase-to-lymphocyte ratio (ALRI), systemic inflammation index (SII), and lymphocyte count to oncologic outcomes in metastatic colorectal cancer (mCRC) patients undergoing transarterial radioembolization (TARE). Materials and Methods: All patients undergoing TARE for mCRC were retrospectively reviewed at a single academic institution. A receiver operating characteristics (ROC) curve analysis was performed using a landmark survival point of 12 months, with an area under the curve (AUC) calculated. A cutoff point was determined by Youden’s index and used to separate patients for OS and PFS analysis. Cox proportional-hazards models which included pertinent clinical factors were also created to evaluate PFS and OS. Results: In total, 41 patients who underwent 66 TARE treatments were included. A correlation was seen between post-treatment ALRI < 45 (HR: 0.38 (95%CI: 0.17–0.86), p = 0.02) and PFS. Patients with a pretreatment ALRI score < 20 had a significantly longer OS (HR: 0.49 (95%CI: 0.19–0.88), p = 0.02) as did those with a post-treatment lymphocyte count > 1.1 109/L (HR: 0.27 (95%CI: 0.11–0.68), p = 0.005). In multivariate analysis of PFS, post-treatment lymphocyte count (HR: 8.46 (95%CI: 1.14–62.89), p = 0.044) was the only significantly associated inflammatory marker and presence of extrahepatic disease (HR:8.46 (95%CI: 1.14–62.89, p = 0.044) also correlated. Multivariate analysis of OS showed that pretreatment PLR (HR:1.01 (95%CI:1.−1.03), p = 0.02) and post-treatment NLR (HR:0.33 (95%CI:0.14–0.76), p = 0.009), PLR (HR:0.98 (95%CI:0.97–1), p = 0.046), SII (HR:1.04 (95%CI:1.01–1.08), p = 0.014), and lymphocyte count (HR:0.07 (95%CI:0.01–0.16), p = 0.003) were significantly associated. Conclusion: Inflammatory markers may be associated with OS and PFS in mCRC patients undergoing TARE.

Original languageEnglish (US)
Pages (from-to)209-219
Number of pages11
JournalCardiovascular and Interventional Radiology
Volume46
Issue number2
DOIs
StatePublished - Feb 2023

Bibliographical note

Funding Information:
This study was not supported by any funding.

Publisher Copyright:
© 2022, Springer Science+Business Media, LLC, part of Springer Nature and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Colorectal cancer
  • Inflammatory markers
  • Transarterial radioembolization

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