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. 1993 Oct;11(10):1873-8.
doi: 10.1200/JCO.1993.11.10.1873.

Expression of epidermal growth factor receptor and survival in upper aerodigestive tract cancer

O Dassonville  1 , J L Formento, M Francoual, A Ramaioli, J Santini, M Schneider, F Demard, G Milano
Affiliations

Expression of epidermal growth factor receptor and survival in upper aerodigestive tract cancer

O Dassonville et al. J Clin Oncol. 1993 Oct.

Abstract

Purpose: To determine the expression of epidermal growth factor receptor (EGFR) in head and neck squamous cell carcinoma and to evaluate its prognostic value.

Materials and methods: EGFR was determined in tumor biopsies obtained from 109 consecutive patients with head and neck cancer (100 men, nine women). Control biopsies were obtained from 94 patients in a symetric nontumoral area of the same anatomic site. EGFR was measured by a binding assay using human recombinant iodine 125-EGF.

Results: The presence of detectable EGFR levels was found in all explored tumors with highly marked differences between patients (median, 71 fmol/mg protein; range, 2 to 2,302). In 93 of 94 cases, EGFR levels were higher in tumor samples as compared with healthy control zones. There was no significant difference in EGFR expression according to the various anatomic sites explored or tumoral differentiation status. There was a significant difference of distribution for EGFR levels between stages I and II tumors and stages III and IV tumors. The tumor EGFR levels were not linked to the response to first-line chemotherapy by cisplatin (CDDP) and fluorouracil (5FU). Survival was assessable for 103 patients for overall survival and for 81 patients for recurrence. EGFR overexpression was associated with shorter relapse-free (P = .0125) and overall survival (P = .028) rates. By multivariate analysis, the only significant variable was EGFR for relapse-free survival and tumor staging for overall survival. The association of EGFR to tumor staging markedly improves the significance for overall survival predictability (P = .002).

Conclusion: EGFR determination deserves particular attention in head and neck cancer, since it independently carries a strong prognostic value.

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