Sequential afatinib and osimertinib in patients with EGFR mutation-positive non-small-cell lung cancer: Updated analysis of the observational GioTag study

Maximilian J. Hochmair*, Alessandro Morabito, Desiree Hao, Cheng Ta Yang, Ross A. Soo, James C.H. Yang, Rasim Gucalp, Balazs Halmos, Lara Wang, Angela Märten, Tanja Cufer

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

71 Scopus citations

Abstract

Aims: Overall survival (OS) and updated time to treatment failure (TTF) analysis of patients with EGFR mutation-positive (Del19, L858R) non-small-cell lung cancer who received sequential afatinib/osimertinib in the real-world GioTag study. Patients & methods: Patients had T790M-positive disease following first-line afatinib and received osimertinib treatment (n = 203). Primary outcome was TTF. The OS analysis was exploratory. Results: Median OS was 41.3 months (90% CI: 36.8-46.3) overall and 45.7 months (90% CI: 45.3-51.5) in patients with Del19-positive tumors (n = 149); 2-year survival was 80 and 82%, respectively. Updated median TTF with afatinib and osimertinib was 28.1 months (90% CI: 26.8-30.3). Conclusion: Sequential afatinib/osimertinib was associated with encouraging OS/TTF in patients with EGFR T790M-positive non-small-cell lung cancer, especially in patients with Del19-positive tumors. Trial registration number: NCT0337077.

Original languageEnglish
Pages (from-to)2905-2914
Number of pages10
JournalFuture Oncology
Volume15
Issue number25
DOIs
StatePublished - 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019 Maximilian J Hochmair.

Keywords

  • NSCLC
  • T790M
  • afatinib
  • osimertinib
  • sequential

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