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Prognostic Value of Thyroid Transcription Factor-1 Expression in Patients with Advanced Lung Adenocarcinoma

Overview
Journal In Vivo
Specialty Oncology
Date 2018 Oct 24
PMID 30348718
Citations 4
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Abstract

Background/aim: The prognostic role of thyroid transcription factor-1 (TTF1) in advanced lung cancer is not clearly established. The present study aimed to evaluate the associations between clinicopathological characteristics, TTF1 expression, and overall survival (OS) of patients with advanced lung adenocarcinoma.

Materials And Methods: One hundred and seventy-two patients were enrolled in this retrospective study. OS was assessed according to immunohistochemical TTF1 expression in lung adenocarcinoma tissue, age, gender, performance status (PS), smoking history and status, disease stage, tumor differentiation, epidermal growth factor receptor (EGFR) mutation and EGFR tyrosine kinase inhibitor (TKI) treatment status.

Results: The OS time was longer (p<0.001) for patients with TTF1 expression than for patients without TTF1 expression (13.0 vs. 5.0 months, respectively). A multivariate analysis confirmed that worse PS [hazard ratio (HR)=2.13, p<0.001], poor histological differentiation (HR=2.02, p=0.001), wild-type EGFR status (HR=3.08, p<0.001) and negative TTF1 expression (HR=1.97, p=0.001) were independent predictors of worse prognosis.

Conclusion: TTF1 expression is an independent predictor of survival of patients with advanced lung adenocarcinoma.

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