Treatment outcome of NSCLC patients with BRAFnon-V600E mutations: a retrospective, multicentre analysis within the national Network Genomic Medicine (nNGM) Lung Cancer in Germany

Background - Non-small-cell lung cancer patients with BRAFV600E mutations benefit from targeted and (chemo-)immune therapy. However, treatment of BRAFnon-V600E mutations poses substantial challenges due to biological heterogeneity, different clinicogenomic features and limited therapy outcome data....

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Hauptverfasser: Kropf-Sanchen, Cornelia (VerfasserIn) , Rasokat, A. (VerfasserIn) , Christopoulos, Petros (VerfasserIn) , Wenzel, C. (VerfasserIn) , Wehler, T. (VerfasserIn) , Rost, M. (VerfasserIn) , Kulhavy, J. (VerfasserIn) , Reinmuth, N. (VerfasserIn) , Schulz, C. (VerfasserIn) , Scheffler, M. (VerfasserIn) , Wolf, J. (VerfasserIn) , Büttner, R. (VerfasserIn) , Merkelbach-Bruse, S. (VerfasserIn) , Thomas, Michael (VerfasserIn) , Stenzinger, Albrecht (VerfasserIn) , Schütz, M. (VerfasserIn) , Bräuninger, A. (VerfasserIn) , Demes, M. (VerfasserIn) , Hummel, H.-D. (VerfasserIn) , Pfarr, N. (VerfasserIn) , Gaisa, N. T. (VerfasserIn) , Rawluk, J. (VerfasserIn) , Berezucki, E. (VerfasserIn) , Lutz, K. T. (VerfasserIn) , Galda, S. (VerfasserIn) , Jacobi, H. (VerfasserIn) , Collienne, Maike (VerfasserIn) , Janning, Melanie (VerfasserIn) , Brummer, Tilman (VerfasserIn) , Loges, Sonja (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: August 2025
In: ESMO open
Year: 2025, Jahrgang: 10, Heft: 8, Pages: 1-11
ISSN:2059-7029
DOI:10.1016/j.esmoop.2025.105124
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.esmoop.2025.105124
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S2059702925009937
Volltext
Verfasserangaben:C. Kropf-Sanchen, A. Rasokat, P. Christopoulos, C. Wenzel, T. Wehler, M. Rost, J. Kulhavy, N. Reinmuth, C. Schulz, M. Scheffler, J. Wolf, R. Büttner, S. Merkelbach-Bruse, M. Thomas, A. Stenzinger, M. Schütz, A. Bräuninger, M. Demes, H.-D. Hummel, N. Pfarr, N.T. Gaisa, J. Rawluk, E. Berezucki, K.T. Lutz, S. Galda, H. Jacobi, M. Collienne, M. Janning, T. Brumme & S. Loges, on behalf of nNGM Lung Cancer

MARC

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245 1 0 |a Treatment outcome of NSCLC patients with BRAFnon-V600E mutations  |b a retrospective, multicentre analysis within the national Network Genomic Medicine (nNGM) Lung Cancer in Germany  |c C. Kropf-Sanchen, A. Rasokat, P. Christopoulos, C. Wenzel, T. Wehler, M. Rost, J. Kulhavy, N. Reinmuth, C. Schulz, M. Scheffler, J. Wolf, R. Büttner, S. Merkelbach-Bruse, M. Thomas, A. Stenzinger, M. Schütz, A. Bräuninger, M. Demes, H.-D. Hummel, N. Pfarr, N.T. Gaisa, J. Rawluk, E. Berezucki, K.T. Lutz, S. Galda, H. Jacobi, M. Collienne, M. Janning, T. Brumme & S. Loges, on behalf of nNGM Lung Cancer 
246 3 3 |a Treatment outcome of NSCLC patients with BRAF non-V600E mutations 
264 1 |c August 2025 
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500 |a Im Titel ist "non-V600E" hochgestellt 
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520 |a Background - Non-small-cell lung cancer patients with BRAFV600E mutations benefit from targeted and (chemo-)immune therapy. However, treatment of BRAFnon-V600E mutations poses substantial challenges due to biological heterogeneity, different clinicogenomic features and limited therapy outcome data. - Materials and methods - We conducted a retrospective analysis of BRAFnon-V600E mutation patients in the national Network Genomic Medicine Lung Cancer, assessing treatment outcomes upon targeted and (chemo-)immune therapy. Additionally, we evaluated mitogen-activated protein kinase (MEK)/extracellular-signal-regulated kinase (ERK) activation potential of selected, previously not characterized mutations in vitro. - Results - Fifty-three patients with 11 different BRAFnon-V600E mutations undergoing targeted and/or (chemo-)immune therapy were identified. Patients with class I mutations achieved the longest progression-free survival (PFS) under targeted therapy [median PFS (mPFS) 9.8 months], whereas chemotherapy and chemoimmunotherapy led to an mPFS of 35 and 27 months, respectively. In patients with class II mutations, targeted therapy led to an mPFS of 6.3 months while chemotherapy, chemoimmunotherapy and immunotherapy resulted in an mPFS of 3.5, 3.7 and 3.6 months, respectively. Preclinical characterization demonstrated MEK phosphorylation potential and hence actionability of BRAF class II mutations G469A, G469R, G469V and BRAF K601. Patients exhibiting class III mutations did not respond to targeted therapy (mPFS 2.6 months), but showed responses to chemotherapy (mPFS 4.2 months), chemoimmunotherapy (mPFS 10.9 months) and immunotherapy (mPFS 7 months). - Conclusions - Patients with activating BRAFnon-V600E mutations respond to BRAF/MEK inhibitor or (chemo-)immunotherapy, while those with non-activating mutations do not benefit from targeted therapy, but may benefit from (chemo-)immune therapy. Correlating preclinical activation assays with clinical outcomes can guide treatment decisions for patients with BRAFnon-V600E mutations, facilitating personalized treatment approaches. 
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650 4 |a non-small-cell lung cancer 
650 4 |a targeted therapy 
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700 1 |a Schulz, C.  |e VerfasserIn  |4 aut 
700 1 |a Scheffler, M.  |e VerfasserIn  |4 aut 
700 1 |a Wolf, J.  |e VerfasserIn  |4 aut 
700 1 |a Büttner, R.  |e VerfasserIn  |4 aut 
700 1 |a Merkelbach-Bruse, S.  |e VerfasserIn  |4 aut 
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700 1 |a Bräuninger, A.  |e VerfasserIn  |4 aut 
700 1 |a Demes, M.  |e VerfasserIn  |4 aut 
700 1 |a Hummel, H.-D.  |e VerfasserIn  |4 aut 
700 1 |a Pfarr, N.  |e VerfasserIn  |4 aut 
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