Human papillomavirus infection and survival in oral squamous cell cancer: A population-based study

Seth R. Schwartz, Bevan Yueh, James K. McDougall, Janet R. Daling, Stephen M. Schwartz

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216 Scopus citations

Abstract

OBJECTIVE: To determine whether human papillomavirus (HPV) type 16 affects survival in oral squamous cell carcinoma. STUDY DESIGN: Two hundred fifty-four patients diagnosed with primary oral cancer were studied for survival in relation to tumor HPV type 16 status. Kaplan-Meier analysis and Cox proportional hazard models were used to assess survival and estimate hazard ratios adjusted for potential confounders. RESULTS: HPV type 16 DNA was detected in 15.1 % of tumors. HPV 16 positive patients had significantly reduced all-cause mortality (hazard ratio (HR) estimates = 0.34,95% Cl = 0.14,0.83) and disease-specific mortality (HR = 0.17, 95% Cl = 0.04, 0.76) compared with HPV 16 negative patients after adjustment for age, stage, treatment, smoking, alcohol, education, and comorbid disease. CONCLUSIONS: The presence of HPV type 16 DNA is independently associated with a favorable prognosis in patients with oral squamous cell carcinoma. CLINICAL SIGNIFICANCE: Although HPV genotyping is currently not widely available, it may provide important prognostic information.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalOtolaryngology - Head and Neck Surgery
Volume125
Issue number1
DOIs
StatePublished - Jul 2001

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