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P. Su



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    P1.01 - Advanced NSCLC (ID 757)

    • Event: WCLC 2017
    • Type: Poster Session with Presenters Present
    • Track: Advanced NSCLC
    • Presentations: 1
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      P1.01-048 - Clinical Impact of EGFR Mutation on Brain Metastasis in NSCLC Patients: A Meta-Regression Analysis (ID 7312)

      09:30 - 16:00  |  Author(s): P. Su

      • Abstract
      • Slides

      Background:
      Though target agents like epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKI) have shown activity in patients with brain metastasis, the impact of EGFR mutation on incidence of non-small cell lung cancer (NSCLC) with brain metastasis and treatment outcome remain inconclusive.

      Method:
      MEDLINE, PubMed, and EBSCO Libraries were systematically searched until August 31, 2015. Retrospective studies including investigating the correlation between EGFR mutation status with brain metastasis from NSCLC were included.

      Result:
      The result of the fourteen studies including 4432 patients indicated NSCLC patients with EGFR mutation have higher incidence of brain metastasis (Figure 1, odd ratio = 2.09, 95% CI: 1.72–2.53). And, EGFR mutations were associated with better survival in patients with brain metastasis from five studies though not statistically significant (Figure 2, hazard ratio = 0.47, 95% CI: 0.16–1.35). Figure 1. Meta-analysis of the association between EGFR mutation status and the risk of brain metastasis. Figure 1 Figure 2. Meta-analysis on mean overall survival among NSCLC patients with brain metastasis according to EGFR mutation status. Figure 2





      Conclusion:
      We found that EGFR mutation increased risk of brain metastasis but EGFR mutation might predict better survival with appropriate treatments.

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