P74.02 Treatment Patterns of EGFR mt+ NSCLC IV pts: Real World Data of the NOWEL Network

The percentage of pts switching from 1st gen TKI in 1st line to 3rd gen TKI in 2nd line seems to be low with 30% and it is questionable whether these data represent real world treatments. Therefore, we investigated the treatment pattern and especially the attrition rate between 1st and 2nd line therapy in EGFR mt+ pts.