ArticleThoracic cancer2021
Clinical impact of rebiopsy among patients with epidermal growth factor receptor-mutant lung adenocarcinoma in a real-world clinical setting.
Article in Thoracic cancer, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 4 citations in OpenAlex.
- A Multicenter Study on Unnecessary Rebiopsies in CT-Guided Percutaneous Transthoracic Needle Biopsy of Pulmonary Lesions.Cancer medicine · 2025Article
- Clinical utility of repeated rebiopsy for EGFR T790M mutation detection in non-small cell lung cancer.Frontiers in oncology · 2024Article
- Endobronchial ultrasound-guided re-biopsy of non-small cell lung cancer with acquired resistance after EGFR tyrosine kinase inhibitor treatment.Thoracic cancer · 2023Article
- Effectiveness and Safety of EGFR-TKI Rechallenge Treatment in Elderly Patients with Advanced Non-Small-Cell Lung Cancer Harboring Drug-Sensitive EGFR Mutations.Medicina (Kaunas, Lithuania) · 2021Article
- Clinical impact of rebiopsy among patients with epidermal growth factor receptor-mutant lung adenocarcinoma in a real-world clinical setting.Thoracic cancer · 2021Article
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Authors and funding
17 authors at 13 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn this study, we investigated the risk factors of acquired T790M mutation among patients with lung adenocarcinoma with epidermal growth factor receptor (EGFR) tyrosine mutation who were treated with EGFR-tyrosine kinase inhibitors (TKIs). The aim was to identify the clinical impact of rebiopsy.
methodsThis multicenter, retrospective cohort study was conducted in South Korea from January 2007 to June 2017. Patients with adenocarcinoma with EGFR mutation who underwent rebiopsy and were treated with EGFR-TKIs were included.
resultsOf a total of 352 patients, T790M mutation was identified in 156 (41.9%) at the time of rebiopsy. The median duration from initial biopsy to rebiopsy was 17 months. Univariate logistic regression analysis revealed associations of exon 19 deletion (odds ratio [OR], 1.643; p = 0.026), absence of L858R (OR, 0.627; p = 0.042), and previous EGFR-TKI treatment duration (OR, 1.039; p < 0.001) with T790M mutation. Previous EGFR-TKI treatment duration (OR, 3.580; p < 0.001) was independently associated with T790M mutation. A multivariate Cox proportional hazard model revealed that brain metastasis at initial diagnosis (hazard ratio, 1.390; p = 0.050) tended to be associated with T790M mutation. Among the patients with T790M mutation at rebiopsy, the osimertinib user group (n = 90) had a better one-year survival (68.7 vs. 58.3%, p = 0.048) than the osimertinib nonuser group (n = 66).
conclusionsRebiopsy might affect the clinical course of patients with EGFR-mutant adenocarcinoma who receive EGFR-TKIs.
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