Outcomes of primary radiotherapy with or without chemotherapy for advanced oral cavity squamous cell carcinoma: A systematic review

Petra V. Membreno, Jordan B. Luttrell, Madhu P. Mamidala, David L. Schwartz, D. Neil Hayes, John P. Gleysteen, M. Boyd Gillespie

Research output: Contribution to journalReview articlepeer-review

Abstract

Background: Surgery with adjuvant radiotherapy is the accepted standard for treatment of advanced oral cavity squamous cell carcinoma (OCSCC); however, alternative evidence suggests that definitive (chemo)radiotherapy may have similar outcomes. Methods: Systematic review was performed to assess the therapeutic value of radiotherapy or chemoradiotherapy as a primary modality for treating OCSCC. Meta-analysis of outcomes was performed between articles comparing radiotherapy and primary surgical treatment. Results: Meta-analysis showed less favorable results of radiotherapy compared to surgery: overall survival at 3-years (odds ratio [OR] = 0.51; 95% confidence interval [CI] = 0.34–0.77) and 5-years (OR = 0.42; 95% CI = 0.29–0.60); disease-specific survival at 3-years (OR = 0.55; 95% CI = 0.32–0.96) and 5-years (OR = 0.55; 95% CI = 0.32–0.96). Odds of feeding tube dependency were higher in primary radiotherapy group (OR = 2.67; 95% CI = 1.27–5.64). Conclusions: Results of this study support the current perspective favoring primary surgical treatment for OCSCC in the absence of surgical contraindications.

Original languageEnglish (US)
JournalHead and Neck
DOIs
StateAccepted/In press - 2021

Keywords

  • chemoradiotherapy
  • oral cancer
  • radiotherapy
  • squamous cell carcinoma
  • survival

ASJC Scopus subject areas

  • Otorhinolaryngology

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