Effect of actionable somatic mutations on racial/ethnic disparities in head and neck cancer prognosis

Evan S. Wu, Jong Y. Park, Joseph Zeitouni, Carmen Gomez-Fernandez, Isildinha M. Reis, Wei Zhao, Deukwoo Kwon, Eunkyung Lee, Omar L. Nelson, Hui Yi Lin, Elizabeth J. Franzmann, Jason Savell, Thomas V. McCaffrey, W. Jarrard Goodwin, Jennifer J. Hu

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Background: Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide and minorities have the worst survival. However, the molecular mechanisms underlying survival disparities have not been elucidated. Methods: In a retrospective study, we assessed association between HNSCC early death (<2 years) and 208 somatic mutations of 10 cancer-related genes in 214 patients: 98 non-Hispanic whites (46%), 72 Hispanic whites (34%), and 44 African Americans (20%). Results: Hispanic whites and African Americans had significantly higher mutation rates for EGFR, HRAS, KRAS, and TP53. HNSCC early death was significantly associated with 3+ mutations (odds ratio [OR] = 2.78, 95% confidence interval [CI] = 1.16, 6.69), NOTCH1 mutations in non-Hispanic whites (OR = 5.51; 95% CI = 1.22–24.83) and TP53 mutations in Hispanic whites (OR = 3.84; 95% CI = 1.08–13.68) in multivariable analysis adjusted for age, sex, tumor site, and tumor stage. Conclusion: We have provided the proof-of-principal data to link racial/ethnic-specific somatic mutations and HNSCC prognosis and pave the way for precision medicine to overcome HNSCC survival disparities.

Original languageEnglish (US)
Pages (from-to)1234-1241
Number of pages8
JournalHead and Neck
Volume38
Issue number8
DOIs
StatePublished - Aug 1 2016

Keywords

  • cancer disparities
  • head and neck squamous cell carcinoma (HNSCC)
  • precision medicine
  • prognosis
  • somatic mutations

ASJC Scopus subject areas

  • Otorhinolaryngology

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