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We are analyzing https://link.springer.com/article/10.1186/1748-717x-7-181.

Title:
EGFR mutations are associated with favorable intracranial response and progression-free survival following brain irradiation in non-small cell lung cancer patients with brain metastases | Radiation Oncology
Description:
Background The presence of epidermal growth factor receptor (EGFR) mutations in non-small cell lung cancer (NSCLC) is associated with increased radiosensitivity in vitro. However, the results from clinical studies regarding the radiosensitivity in NSCLC with mutant EGFR are inconclusive. We retrospectively analyzed our NSCLC patients who had been regularly followed up by imaging studies after irradiation for brain metastases, and investigated the impact of EGFR mutations on radiotherapy (RT). Methods Forty-three patients with brain metastases treated with RT, together with EGFR mutation status, demographics, smoking history, performance status, recursive partitioning analysis (RPA) class, tumor characteristics, and treatment modalities, were included. Radiological images were taken at 1 to 3 months after RT, and 3 to 6 months thereafter. Radiographic response was evaluated by RECIST criteria version 1.1 according to the intracranial images before and after RT. Log-rank test and Cox regression model were used to correlate EGFR mutation status and other clinical features with intracranial radiological progression-free survival (RPFS) and overall survival (OS). Results The median follow-up duration was 15 months. Patients with mutant EGFR had higher response rates to brain RT than those with wild-type EGFR (80% vs. 46%; p = 0.037). Logistic regression analysis showed that EGFR mutation status is the only predictor for treatment response (p = 0.032). The median intracranial RPFS was 18 months (95% CI = 8.33-27.68 months). In Cox regression analysis, mutant EGFR (p = 0.025) and lower RPA class (p = 0.026) were associated with longer intracranial RPFS. EGFR mutation status (p = 0.061) and performance status (p = 0.076) had a trend to predict OS. Conclusions Mutant EGFR in NSCLC patients is an independent prognostic factor for better treatment response and longer intracranial RPFS following RT for brain metastases.
Website Age:
28 years and 1 months (reg. 1997-05-29).

Matching Content Categories {๐Ÿ“š}

  • Education
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What CMS is link.springer.com built with?

Custom-built

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๐ŸŒ  Phenomenal Traffic: 5M - 10M visitors per month


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How Does Link.springer.com Make Money? {๐Ÿ’ธ}

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Keywords {๐Ÿ”}

egfr, brain, patients, cancer, article, metastases, google, scholar, pubmed, response, mutations, lung, intracranial, nsclc, factor, status, cas, survival, study, growth, mutation, treatment, months, analysis, clinical, oncol, epidermal, mutant, cell, receptor, radiation, rpfs, oncology, nonsmall, prognostic, taipei, tumor, wildtype, table, tki, rpa, characteristics, primary, patient, results, studies, radiological, images, median, medical,

Topics {โœ’๏ธ}

open access article small-cell lung cancers shang-wen chen small-cell lung cancer tyrosine kinase inhibitor-naive k-ras gene status facile diagnosis-specific tool jeng-fong chiou tao-sang chung amplifying radiation-induced apoptosis article download pdf stage iiib/iv patients independent sample t-test hsin-lun lee ๏ฟฝ๏ฟฝgrade-3 rt-related toxicities post-treatment intracranial images increased radiation-induced apoptosis prolonged intracranial rpfs pre-treatment performance status wild-type egfr groups diagnosis-specific prognostic factors progression-free survival high-dose gefitinib full access privacy choices/manage cookies jo-ting tsai related subjects article lee lung cancer cells progressive intracranial lesions predicting treatment outcome poor prognostic factor lai-lei ting intracranial disease progression squamous cell carcinoma malignant gliomas treated egfr gene status intra-abdominal infection sperduto pw independent prognostic factor predict treatment outcome egfr mutation testing recursive partitioning analysis kinase domain mutations field tumor progression wan fang hospital lower rpa class inferior treatment outcome affects treatment outcome taipei medical university

Schema {๐Ÿ—บ๏ธ}

WebPage:
      mainEntity:
         headline:EGFR mutations are associated with favorable intracranial response and progression-free survival following brain irradiation in non-small cell lung cancer patients with brain metastases
         description:The presence of epidermal growth factor receptor (EGFR) mutations in non-small cell lung cancer (NSCLC) is associated with increased radiosensitivity in vitro. However, the results from clinical studies regarding the radiosensitivity in NSCLC with mutant EGFR are inconclusive. We retrospectively analyzed our NSCLC patients who had been regularly followed up by imaging studies after irradiation for brain metastases, and investigated the impact of EGFR mutations on radiotherapy (RT). Forty-three patients with brain metastases treated with RT, together with EGFR mutation status, demographics, smoking history, performance status, recursive partitioning analysis (RPA) class, tumor characteristics, and treatment modalities, were included. Radiological images were taken at 1 to 3 months after RT, and 3 to 6 months thereafter. Radiographic response was evaluated by RECIST criteria version 1.1 according to the intracranial images before and after RT. Log-rank test and Cox regression model were used to correlate EGFR mutation status and other clinical features with intracranial radiological progression-free survival (RPFS) and overall survival (OS). The median follow-up duration was 15 months. Patients with mutant EGFR had higher response rates to brain RT than those with wild-type EGFR (80% vs. 46%; p = 0.037). Logistic regression analysis showed that EGFR mutation status is the only predictor for treatment response (p = 0.032). The median intracranial RPFS was 18 months (95% CI = 8.33-27.68 months). In Cox regression analysis, mutant EGFR (p = 0.025) and lower RPA class (p = 0.026) were associated with longer intracranial RPFS. EGFR mutation status (p = 0.061) and performance status (p = 0.076) had a trend to predict OS. Mutant EGFR in NSCLC patients is an independent prognostic factor for better treatment response and longer intracranial RPFS following RT for brain metastases.
         datePublished:2012-10-30T00:00:00Z
         dateModified:2012-10-30T00:00:00Z
         pageStart:1
         pageEnd:8
         license:https://creativecommons.org/licenses/by/2.0
         sameAs:https://doi.org/10.1186/1748-717X-7-181
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            Epidermal growth factor receptor
            Non-small cell lung cancer
            Brain metastases
            Radiotherapy
            Cancer Research
            Oncology
            Imaging / Radiology
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                        type:PostalAddress
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ScholarlyArticle:
      headline:EGFR mutations are associated with favorable intracranial response and progression-free survival following brain irradiation in non-small cell lung cancer patients with brain metastases
      description:The presence of epidermal growth factor receptor (EGFR) mutations in non-small cell lung cancer (NSCLC) is associated with increased radiosensitivity in vitro. However, the results from clinical studies regarding the radiosensitivity in NSCLC with mutant EGFR are inconclusive. We retrospectively analyzed our NSCLC patients who had been regularly followed up by imaging studies after irradiation for brain metastases, and investigated the impact of EGFR mutations on radiotherapy (RT). Forty-three patients with brain metastases treated with RT, together with EGFR mutation status, demographics, smoking history, performance status, recursive partitioning analysis (RPA) class, tumor characteristics, and treatment modalities, were included. Radiological images were taken at 1 to 3 months after RT, and 3 to 6 months thereafter. Radiographic response was evaluated by RECIST criteria version 1.1 according to the intracranial images before and after RT. Log-rank test and Cox regression model were used to correlate EGFR mutation status and other clinical features with intracranial radiological progression-free survival (RPFS) and overall survival (OS). The median follow-up duration was 15 months. Patients with mutant EGFR had higher response rates to brain RT than those with wild-type EGFR (80% vs. 46%; p = 0.037). Logistic regression analysis showed that EGFR mutation status is the only predictor for treatment response (p = 0.032). The median intracranial RPFS was 18 months (95% CI = 8.33-27.68 months). In Cox regression analysis, mutant EGFR (p = 0.025) and lower RPA class (p = 0.026) were associated with longer intracranial RPFS. EGFR mutation status (p = 0.061) and performance status (p = 0.076) had a trend to predict OS. Mutant EGFR in NSCLC patients is an independent prognostic factor for better treatment response and longer intracranial RPFS following RT for brain metastases.
      datePublished:2012-10-30T00:00:00Z
      dateModified:2012-10-30T00:00:00Z
      pageStart:1
      pageEnd:8
      license:https://creativecommons.org/licenses/by/2.0
      sameAs:https://doi.org/10.1186/1748-717X-7-181
      keywords:
         Epidermal growth factor receptor
         Non-small cell lung cancer
         Brain metastases
         Radiotherapy
         Cancer Research
         Oncology
         Imaging / Radiology
      image:
         https://media.springernature.com/lw1200/springer-static/image/art%3A10.1186%2F1748-717X-7-181/MediaObjects/13014_2012_Article_701_Fig1_HTML.jpg
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      name:Shang-Wen Chen
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            name:Taipei Medical University Hospital
            address:
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               type:PostalAddress
            type:Organization
      name:Henry Wing-Cheung Leung
      affiliation:
            name:Taipei Medical University
            address:
               name:Department of Radiation Oncology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
               type:PostalAddress
            type:Organization
      name:H Eugene Liu
      affiliation:
            name:Taipei Medical University
            address:
               name:Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
               type:PostalAddress
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            name:Taipei Medical University
            address:
               name:Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
               type:PostalAddress
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      email:[email protected]
PostalAddress:
      name:Department of Radiation Oncology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
      name:Department of Radiation Oncology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
      name:Department of Radiation Oncology, Landseed Hospital, Pingzhen, Taiwan
      name:Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan
      name:Department of Radiation Oncology, Taipei Medical University-Shuang Ho Hospital, Taipei, Taiwan
      name:Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan
      name:Department of Radiation Oncology, China Medical University Hospital, Taipei, Taiwan
      name:Department of Radiation Oncology, Taipei Medical University Hospital, Taipei, Taiwan
      name:Department of Radiation Oncology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
      name:Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
      name:Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan

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