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KMID : 0939920140460040323
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대한암학회지
2014 Volume.46 No. 4 p.323 ~ p.330
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Nomogram Predicting Clinical Outcomes in Non-small Cell Lung Cancer Patients Treated with Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitors
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Keam Bhum-Suk
Kim Dong-Wan
Park Jin-Hyun
Lee Jeong-Ok
Kim Tae-MIn
Lee Se-Hoon
Chung Doo-Hyun
Heo Dae-Seog
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Abstract
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Purpose: The aim of this study was to develop a pragmatic nomogram for prediction of progressionfree survival (PFS) for the epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) in EGFR mutant non-small cell lung cancer (NSCLC).
Materials and Methods: A total of 306 recurred or metastatic NSCLC patients with EGFR mutation, who received EGFR TKIs, were enrolled in this study. We developed the nomogram, using a Cox proportional hazard regression model for PFS.
Results: The median PFS was 11.2 months. Response rate to EGFR TKI was 71.9%. Multivariate Cox model identified disease status, performance status, chemotherapy line, response to EGFR TKI, and bone metastasis as independent prognostic factors, and the nomogram for PFS was developed, based on these covariates. The concordance index for a nomogram was 0.708, and the calibration was also good.
Conclusion: We developed a nomogram, based on clinical characteristics, for prediction of the PFS to EGFR TKI in NSCLC patients with EGFR mutation.
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KEYWORD
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Nomograms, Lung neoplasms, Epidermal growth factor receptor, Tyrosine kinase inhibitor, Prognosis
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