The impact of TP53 co-mutations and immunologic microenvironment on outcome of lung cancer with EGFR exon 20 insertions

Background - EGFR exon20 insertions (ex20ins) are targeted by novel compounds in non-small-cell lung cancer (NSCLC). However, data about outcome under conventional therapies and the influence of molecular features are scarce. - Patients and methods - We retrospectively analysed 118 patients with eva...

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Hauptverfasser: Christopoulos, Petros (VerfasserIn) , Kluck, Klaus (VerfasserIn) , Kirchner, Martina (VerfasserIn) , Lüders, Heike (VerfasserIn) , Roeper, Julia (VerfasserIn) , Falkenstern-Ge, Roger-Fei (VerfasserIn) , Szewczyk, Marlen (VerfasserIn) , Sticht, Florian (VerfasserIn) , Saalfeld, Felix C. (VerfasserIn) , Wesseler, Claas (VerfasserIn) , Hackanson, Björn (VerfasserIn) , Dintner, Sebastian (VerfasserIn) , Faehling, Martin (VerfasserIn) , Kuon, Jonas (VerfasserIn) , Janning, Melanie (VerfasserIn) , Kauffmann-Guerrero, Diego (VerfasserIn) , Kazdal, Daniel (VerfasserIn) , Kurz, Sylke (VerfasserIn) , Eichhorn, Florian (VerfasserIn) , Bozorgmehr, Farastuk (VerfasserIn) , Shah, Rajiv (VerfasserIn) , Tufman, Amanda (VerfasserIn) , Wermke, Martin (VerfasserIn) , Loges, Sonja (VerfasserIn) , Brueckl, Wolfgang M. (VerfasserIn) , Schulz, Christian (VerfasserIn) , Misch, Daniel (VerfasserIn) , Frost, Nikolaj (VerfasserIn) , Kollmeier, Jens (VerfasserIn) , Reck, Martin (VerfasserIn) , Griesinger, Frank (VerfasserIn) , Grohé, Christian (VerfasserIn) , Hong, Jin-Liern (VerfasserIn) , Lin, Huamao M. (VerfasserIn) , Budczies, Jan (VerfasserIn) , Stenzinger, Albrecht (VerfasserIn) , Thomas, Michael (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 20 May 2022
In: European journal of cancer
Year: 2022, Jahrgang: 170, Pages: 106-118
ISSN:1879-0852
DOI:10.1016/j.ejca.2022.04.020
Online-Zugang:Verlag, Informationsseite zum Volltext, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.ejca.2022.04.020
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0959804922002301
Volltext
Verfasserangaben:Petros Christopoulos, Klaus Kluck, Martina Kirchner, Heike Lüders, Julia Roeper, Roger-Fei Falkenstern-Ge, Marlen Szewczyk, Florian Sticht, Felix C. Saalfeld, Claas Wesseler, Björn Hackanson, Sebastian Dintner, Martin Faehling, Jonas Kuon, Melanie Janning, Diego Kauffmann-Guerrero, Daniel Kazdal, Sylke Kurz, Florian Eichhorn, Farastuk Bozorgmehr, Rajiv Shah, Amanda Tufman, Martin Wermke, Sonja Loges, Wolfgang M. Brueckl, Christian Schulz, Daniel Misch, Nikolaj Frost, Jens Kollmeier, Martin Reck, Frank Griesinger, Christian Grohé, Jin-Liern Hong, Huamao M. Lin, Jan Budczies, Albrecht Stenzinger, Michael Thomas

MARC

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245 1 4 |a The impact of TP53 co-mutations and immunologic microenvironment on outcome of lung cancer with EGFR exon 20 insertions  |c Petros Christopoulos, Klaus Kluck, Martina Kirchner, Heike Lüders, Julia Roeper, Roger-Fei Falkenstern-Ge, Marlen Szewczyk, Florian Sticht, Felix C. Saalfeld, Claas Wesseler, Björn Hackanson, Sebastian Dintner, Martin Faehling, Jonas Kuon, Melanie Janning, Diego Kauffmann-Guerrero, Daniel Kazdal, Sylke Kurz, Florian Eichhorn, Farastuk Bozorgmehr, Rajiv Shah, Amanda Tufman, Martin Wermke, Sonja Loges, Wolfgang M. Brueckl, Christian Schulz, Daniel Misch, Nikolaj Frost, Jens Kollmeier, Martin Reck, Frank Griesinger, Christian Grohé, Jin-Liern Hong, Huamao M. Lin, Jan Budczies, Albrecht Stenzinger, Michael Thomas 
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520 |a Background - EGFR exon20 insertions (ex20ins) are targeted by novel compounds in non-small-cell lung cancer (NSCLC). However, data about outcome under conventional therapies and the influence of molecular features are scarce. - Patients and methods - We retrospectively analysed 118 patients with evaluation of radiologic response based on RECIST v1.1. TP53 status was available for 88 cases. - Results - Platinum doublets and chemoimmunotherapy showed similar response rates (20-25%), disease control rates (80%) and median progression-free survival (mPFS, ≈7 months), which were longer compared to monochemotherapy (9%, 59%, 4.1 months), EGFR inhibitors (0%, 46%, 3.0) and PD-(L)1 inhibitors (0%, 30%, 2.1; p < 0.05). Overall survival (OS) was not dependent on the choice of first-line treatment, but related to more lines of systemic therapy (p < 0.05). TP53 mutations and brain metastases were associated with shorter PFS under platinum doublets and EGFR inhibitors (HR 3.3-6.1, p < 0.01), and shorter OS for patients receiving both treatments (p < 0.05). More tumour CD8+ and less Th1 cells were associated with longer OS independent of brain and TP53 status (p < 0.01). No difference in outcome was noted according to the ex20ins site and use of pemetrexed (vs. other cytotoxics) or bevacizumab. Long-lasting responses (>1 year) occasionally occurred under EGFR inhibitors for both ‘near-’ and ‘far-loop’ variants. - Conclusions - Platinum doublets and chemoimmunotherapy have the highest activity with ORR of 20-25% and mPFS of approximately 7 months, regardless of the cytotoxic partner, while PD-(L)1 inhibitors show limited efficacy. TP53 mutations, brain metastases and a lower tumour CD8/Th1-cell ratio are independently associated with shorter survival. 
650 4 |a Brain metastases 
650 4 |a CD8 cells 
650 4 |a EGFR NSCLC 
650 4 |a exon 20 
650 4 |a Immunologic tumour microenvironment 
650 4 |a mutation 
650 4 |a Overall survival 
650 4 |a Th1 cells 
650 4 |a Treatment failure 
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