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Whole-brain radiation therapy (WBRT) and epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) are both treatment options for EGFR-mutated non-small cell lung cancer (NSCLC) patients with brain metastases. However, the dose-escalation toxicity and efficacy of combination therapy, and the effect of WBRT on cerebrospinal fluid (CSF) penetration of EGFR-TKIs are still unclear.EGFR-mutated...
Epidermal growth factor receptor (EGFR) mutation rates in adenocarcinoma in situ (AIS) and minimally invasive adenocarcinoma (MIA) were studied using both DNA analysis and mutation-specific immunohistochemistry.The peptide nucleic acid-locked nucleic acid polymerase chain reaction clamp method was used to detect mutations in exons 18, 19, 20, and 21 of the EGFR gene in DNA samples extracted from paraffin-embedded...
Disease progression because of acquired resistance is common in advanced or metastatic epidermal growth factor receptor (EGFR)-mutation positive non-small cell lung cancer (NSCLC), despite initial response to EGFR-tyrosine kinase inhibitors (TKIs). In Japan, transbronchial tissue biopsy is the most common sampling method used for re-biopsy to identify patients eligible for treatment. We aimed to investigate...
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