The Prognostic Role of the Neutrophil-to-Lymphocyte Ratio in Oropharyngeal Carcinoma Treated with Chemoradiotherapy.

Clin Med Insights Oncol 2014 29;8:81-6. Epub 2014 Jun 29.

Department of Clinical Oncology, St. James's Institute of Oncology, Leeds, UK.

Background: The aim of the study is to investigate the prognostic role of pre-treatment of markers of the systemic inflammatory response (neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and albumin) in patients with oropharyngeal carcinoma treated with chemoradiotherapy.

Methods: A total of 251 patients with oropharyngeal squamous cell cancer treated with chemoradiotherapy between 2004 and 2010 were retrospectively identified. NLR, PLR, and albumin were recorded from baseline blood parameters. NLR threshold of >5 and PLR thresholds of ≤150, >150 and ≤300, and >300 were used for analysis.

Results: Median follow-up was 46 months (range 9-98). The 3 year overall survival, local control, regional control, and distant control were 70%, 85%, 87%, and 87%, respectively. On multivariate analysis, locoregional control was associated with T stage (HR 3.3 (95% CI 1.5-6.9), P = 0.002) and NLR (HR 2.1 (95% CI 1.1-3.9), P = 0.023). Overall survival was associated with T stage (HR 2.47 (95% CI 1.45-4.2), P = 0.001) and grade (HR 0.61 (95% CI 0.38-0.99), P = 0.048). PLR and albumin were not significantly associated with disease outcomes or survival.

Conclusions: The NLR is an independent prognostic factor for locoregional control in oropharyngeal cancer treated with chemoradiotherapy.

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Source
http://journals.sagepub.com/doi/10.4137/CMO.S15476
Publisher Site
http://dx.doi.org/10.4137/CMO.S15476DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4085107PMC
July 2014

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