Trends in overall survival in lung adenocarcinoma with EGFR mutation, KRAS mutation, or no mutation

Background: Treatment of lung adenocarcinoma has changed and now includes checkpoint inhibitors (CPIs) or, in the case of an EGFR mutation, third-generation EGFR TKI osimertinib. Few data compare the long-term overall survival (OS) of current and historic subgroups. Methods: This real-world analysis...

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Main Authors: Faehling, Martin (Author) , Fallscheer, Sabine (Author) , Schwenk, Birgit (Author) , Seifarth, Harald (Author) , Sträter, Jörn (Author) , Lengerke, Claudia (Author) , Christopoulos, Petros (Author)
Format: Article (Journal)
Language:English
Published: 5 April 2025
In: Cancers
Year: 2025, Volume: 17, Issue: 7, Pages: 1-17
ISSN:2072-6694
DOI:10.3390/cancers17071237
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.3390/cancers17071237
Verlag, kostenfrei, Volltext: https://www.mdpi.com/2072-6694/17/7/1237
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Author Notes:Martin Faehling, Sabine Fallscheer, Birgit Schwenk, Harald Seifarth, Jörn Sträter, Claudia Lengerke and Petros Christopoulos

MARC

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520 |a Background: Treatment of lung adenocarcinoma has changed and now includes checkpoint inhibitors (CPIs) or, in the case of an EGFR mutation, third-generation EGFR TKI osimertinib. Few data compare the long-term overall survival (OS) of current and historic subgroups. Methods: This real-world analysis (KOMPASS study) included stage IV lung-adenocarcinoma patients with either EGFR, KRAS, or no mutation. Patients were assigned to the “current” EGFR, KRAS, or no-mutation cohort if they had mutation testing using NGS (n = 199; median date of diagnosis 2021). If they had an EGFR PCR test only, they were assigned to the “historic” EGFR or no-mutation cohort (n = 127; median date of diagnosis 2014). Results: Both the current and the historic EGFR cohorts had significantly longer OS than the respective no-mutation cohorts (HR 0.58 and 0.60, respectively). The current no-mutation and EGFR cohorts had a strong trend to longer OS than the respective historic cohorts. In the no-mutation cohorts, the improvement was due to an increase in long-term survivors (HR 0.71), whereas in the EGFR mutation cohorts, the median OS was improved without long-term survivors (HR 0.70). The KRAS cohort showed OS like the no-mutation cohort, with a plateau of long-term survivors around 20%. Conclusions: A comparison of our data with that of the phase III trials KEYNOTE-189 and FLAURA suggests that the improved outcomes are due to the use of CPIs or osimertinib. The clinical trial results are well translated into real-world clinical practice with comparable OS. KRAS patients benefit from CPI treatment like no-mutation patients. 
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