Evaluation of treatment outcomes in patients with supraglottic laryngeal cancer in Ontario, Canada: A population-based study.

Evaluation of treatment outcomes in patients with supraglottic laryngeal cancer in Ontario, Canada: A population-based study.

Head Neck. 2018 Feb 07;:

Authors: Hall SF, Griffiths RJ

Abstract
BACKGROUND: Supraglottic laryngeal carcinoma has an entirely different etiology, clinical presentation, and prognosis compared to glottis cancer but the only evidence for the use of concurrent chemotherapy with radiotherapy (CRT) is the 5.4% 5-year improvement in overall survival (OS) for the combined laryngeal site.
METHOD: We conducted a retrospective population-based study using administrative data to compare OS, disease-specific survival (DSS), laryngectomy-free survival, and laryngoesophageal dysfunction-free survival over time and by treatment for all patients with supraglottic laryngeal carcinoma diagnosed between January 1, 1990, and December 31, 2014, in Ontario, Canada.
RESULTS: There was no improvement over time in OS (hazard ratio [HR] 1.006; P = .90), DSS (HR 1.031; P = .65), or laryngoesophageal dysfunction-free survival (P = .39). The patients selected for CRT had similar OS (HR 1.04; P = .66), laryngectomy-free survival (HR 0.95; P = .23), and laryngoesophageal dysfunction-free survival (P = .79) compared with patients undergoing radiotherapy.
CONCLUSION: The addition of CRT by head and neck oncologists in Ontario, Canada, did not improve outcomes for the "real world" patients with supraglottic laryngeal carcinoma.

PMID: 29412495 [PubMed - as supplied by publisher]

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