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Ciaparrone M.,S. Giovanni Calibita Fatebenefratelli Isola Tiberina Hospital | Caspiani O.,Radiotherapy Unit | Bicciolo G.,S. Giovanni Calibita Fatebenefratelli Isola Tiberina Hospital | Signorelli D.,S. Giovanni Calibita Fatebenefratelli Isola Tiberina Hospital | And 13 more authors.
Oncology (Switzerland) | Year: 2015

Objective: ERCC1 (excision repair cross-complementation group 1) expression predicts survival in patients with locally advanced head and neck squamous cell carcinoma (HNSCC) treated with chemoradiation. In order to evaluate the predictive role in the adjuvant setting, we investigated ERCC1 expression in radically resected HNSCC patients who underwent surgery and cisplatin chemoradiation. Methods: ERCC1 expression levels were determined by immunohistochemistry in primary tumor tissues from 48 patients with stage III-IV cancers. The median follow-up was 38.5 months (range: 5-121). Results: High ERCC1 expression was observed in 36 (75%) patients. Univariate analysis showed that patients with high levels of ERCC1 had significantly worse disease-free survival and overall survival (OS) than patients with low levels (HR = 7.15; 95% CI, 1.68-30.35; p = 0.008 and HR = 9.90; 95% CI, 1.33-73.96; p = 0.025, respectively). In the multivariate analysis, high ERCC1 expression (HR = 7.36; 95% CI, 1.72-31.4; p = 0.007) together with high-risk category (HR = 2.69; 95% CI, 1.01-7.18; p = 0.048) were the best predictors for relapse. High ERCC1 expression was the only unfavorable independent determinant for OS (HR = 9.53; 95% CI, 1.27-71.35; p = 0.028). Conclusions: This investigation suggests that ERCC1 expression might be useful to predict prognosis in radically resected HNSCC patients treated with surgery and chemoradiation. © 2015 S. Karger AG, Basel. Source

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