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Adverse Prognostic CT Findings for Patients With Advanced Lung Adenocarcinoma Receiving First-Line Epidermal Growth Factor Receptor-Tyrosine Kinase Inhibitor Therapy

Authors
 Suyon Chang  ;  Jin Hur  ;  Yoo Jin Hong  ;  Hye-Jeong Lee  ;  Young Jin Kim  ;  Kyunghwa Han  ;  Byoung Wook Choi 
Citation
 American Journal of Roentgenology, Vol.210(1) : 43-51, 2018 
Journal Title
 American Journal of Roentgenology 
ISSN
 0361-803X 
Issue Date
2018
Keywords
CT ; adenocarcinoma ; epidermal growth factor receptor-tyrosine kinase inhibitor ; prognosis
Abstract
OBJECTIVE: The purpose of this study is to investigate adverse prognostic CT findings in patients with advanced-stage lung adenocarcinoma who are receiving epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor (TKI) therapy as first-line therapy. MATERIALS AND METHODS: We included 199 patients (71 men and 128 women; mean +/- SD age, 64.3 +/- 11.2 years) with stage IIIB or IV lung adenocarcinoma who received first-line EGFR-TKI therapy between January 2009 and December 2015. Clinical findings and imaging parameters on CT images obtained before TKI therapy were analyzed, including tumor size, TNM category according to the seventh edition of the American Joint Committee on Cancer lung cancer TNM staging system, tumor type, the presence of cavity or necrosis, pleural effusion, and metastasis to pleura, lung, and distant organs. Response evaluation was performed according to the Response Evaluation Criteria in Solid Tumor version 1.1 guidelines. Correlation of clinical and radiologic findings with durations of progression-free survival (PFS) and overall survival (OS) was evaluated using a Cox proportional hazard model. RESULTS: Pleural effusion (hazard ratio [HR], 2.095; 95% CI, 1.394-3.147; p < 0.001) and an N2 or N3 tumor category (HR, 2.145; 95% CI, 1.280-3.594; p = 0.004) were significantly associated with a short PFS duration in multivariate analysis. Older age (HR, 1.040; 95% CI, 1.014-1.067; p = 0.002), an N2 or N3 tumor category (HR, 2.427; 95% CI, 1.068-5.518; p = 0.034), pleural effusion (HR, 1.903; 95% CI, 1.105-3.276; p = 0.020), and distant metastasis (HR, 2.795; 95% CI, 1.356-5.765; p = 0.005) were associated with a short OS duration in multivariate analysis. CONCLUSION: Pre-TKI therapy CT findings of pleural effusion and high N-category tumors are associated with short durations of PFS and OS in patients with lung adenocarcinoma who are receiving EGFR-TKI therapy.
Full Text
https://www.ajronline.org/doi/10.2214/AJR.17.18167
DOI
10.2214/ajr.17.18167
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
김영진(Kim, Young Jin) ORCID logo https://orcid.org/0000-0002-6235-6550
이혜정(Lee, Hye Jeong) ORCID logo https://orcid.org/0000-0003-4349-9174
장수연(Chang, Su Yon)
최병욱(Choi, Byoung Wook) ORCID logo https://orcid.org/0000-0002-8873-5444
허진(Hur, Jin) ORCID logo https://orcid.org/0000-0002-8651-6571
홍유진(Hong, Yoo Jin) ORCID logo https://orcid.org/0000-0002-7276-0944
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/162016
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