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Knittelfelder, O; Delago, D; Jakse, G; Reinisch, S; Partl, R; Stranzl-Lawatsch, H; Renner, W; Langsenlehner, T.
The AST/ALT (De Ritis) Ratio Predicts Survival in Patients with Oral and Oropharyngeal Cancer.
Diagnostics (Basel). 2020; 10(11): Doi: 10.3390/diagnostics10110973 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Renner Wilfried
Co-Autor*innen der Med Uni Graz
Jakse Gabriele
Langsenlehner Tanja
Partl Richard
Reinisch Sabine
Stranzl-Lawatsch Heidi

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Aminotransaminases, including aspartate aminotransaminase (AST) and alanine aminotransaminase (ALT), are strongly involved in cancer cell metabolism and have been associated with prognosis in different types of cancer. The purpose of the present study was to evaluate the prognostic significance of the pre-treatment AST/ALT ratio in a large European cohort of patients with oral and oropharyngeal squamous cell cancer (OOSCC). Data from 515 patients treated for OOSCC at a tertiary academic center from 2000-2017 were retrospectively analyzed. Levels of AST and ALT were measured prior to the start of treatment. Uni- and multivariate Cox regression analyses were applied to evaluate the prognostic value of the AST/ALT ratio for cancer-specific survival (CSS) and overall survival (OS), survival rates were calculated. Univariate analyses showed a significant association of the AST/ALT ratio with CSS (hazard ratio (HR) 1.71, 95% confidence interval (CI) 1.38-2.12; p < 0.001) and OS (HR 1.69, 95% CI 1.41-2.02; p < 0.001). In multivariate analysis, the AST/ALT ratio remained an independent prognostic factor for CSS and OS (HR 1.45, 95% CI 1.12-1.88, p = 0.005 and HR 1.42, 95% CI 1.14-1.77, p = 0.002). Applying receiver operating characteristics (ROC) curve analysis, the optimal cut-off level for the AST/ALT ratio was 1.44, respectively. In multivariate analysis, an AST/ALT ratio > 1.44 was an independent prognostic factor for poor CSS and OS (HR 1.64, 95% CI 1.10-2.43, p = 0.014 and HR 1.55, 95% CI 1.12-2.15; p = 0.008). We conclude that the AST/ALT ratio is a prognostic marker for survival in OOSCC patients and could contribute to a better risk stratification and improved oncological therapy decisions.

Find related publications in this database (Keywords)
oral and oropharyngeal cancer
aspartate aminotransaminase (AST)
alanine aminotransaminase (ALT)
AST/ALT (DeRitis) ratio
prognostic factor
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