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G. Bubanovic



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    P1.02 - Poster Session with Presenters Present (ID 454)

    • Event: WCLC 2016
    • Type: Poster Presenters Present
    • Track: Biology/Pathology
    • Presentations: 1
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      P1.02-049 - EGFR, KRAS and ALK Gene Alterations in Lung Cancer Patients in Croatia (ID 5943)

      14:30 - 14:30  |  Author(s): G. Bubanovic

      • Abstract

      Background:
      Rates in targetable gene changes varies between different populations of lung cancer patients. Targetable gene changes include changes in EGFR and ALK gene, as well as KRAS gene. Primary aim of this study was to determine mutation status in purely Caucasian Croatian population.

      Methods:
      Rates in targetable gene changes varies between different populations of lung cancer patients. Targetable gene changes include changes in EGFR and ALK gene, as well as KRAS gene. Primary aim of this study was to determine mutation status in purely Caucasian Croatian population.

      Results:
      During 6 months period 324 newely diagnosed primary lung adenocarcinoma were tested. Out of 324 tested patients, 194 were males (60%) and 130 females (40%) mean age 64 years (range 35 to 88 years). Vast majority of patients were in stages 3 and 4 (more than 80%). Among males, 87% of patients were ever smokers, and among females 61% of patients were ever smokers. Significantly higher rates of evers smokers were recorded among males. EGFR mutations were present in 15.7% of patients (51 patients). There was a difference in EGFR mutation rates between males and females (5.6 vs 30.8%, p<0.0001). KRAS mutations (codones 12/12 and 61) were present in 35.8% (116) patients, and ALK translocation detected by IHC in 3.7% (12) patients.

      Conclusion:
      Molecular testing in primary lung adenocarcinoma patients was done in purely Caucasian Croatian population. EGFR mutation and ALK translocation rates were similar to previously published data. However, KRAS mutation rates were higher than previously published. This can be associated with high smoking rates in Croatian population.