Managing Acquired Resistance to Third-Generation EGFR Tyrosine Kinase Inhibitors Through Co-Targeting MEK/ERK Signaling
Danlei Yu,1,2,* Wen Zhao,2,3,* Karin A Vallega,2 Shi-Yong Sun2 1Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China; 2Department of Hematology and Medical Oncology, Emory University School of Medicine and Winship Cancer...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2021
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| Acceso en línea: | https://doaj.org/article/1982d73e2f984aebb1cd7e78aa162755 |
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| Sumario: | Danlei Yu,1,2,* Wen Zhao,2,3,* Karin A Vallega,2 Shi-Yong Sun2 1Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China; 2Department of Hematology and Medical Oncology, Emory University School of Medicine and Winship Cancer Institute, Atlanta, GA, USA; 3Department of Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, People’s Republic of China*These authors contributed equally to this workCorrespondence: Shi-Yong SunDepartment of Hematology and Medical Oncology, Emory University School of Medicine and Winship Cancer Institute, 1365-C Clifton Road, C3088, Atlanta, GA, 30322, USATel +1 (404) 778-2170Fax +1 (404) 778-5520Email ssun@emory.eduAbstract: Although epidermal growth factor receptor (EGFR)-targeted therapy has improved clinical outcomes of patients with advanced non-small-cell lung cancer (NSCLC) carrying activating EGFR mutations, the development of acquired resistance to EGFR tyrosine kinase inhibitors (EGFR-TKIs), including the promising third-generation ones, results in disease progression and has become an unavoidable problem that limits patient long-term benefit. The third-generation EGFR-TKIs, osimertinib and almonertinib, are now approved for the treatment of advanced NSCLC patients harboring activating EGFR mutations (first-line) and/or the resistant T790M mutation (second-line). Clinically, appropriate management of acquired resistance to third-generation EGFR-TKIs will substantially improve their long-term efficacy against EGFR-mutant NSCLC. Recent preclinical and clinical studies suggest that activation of the Ras/Raf/MEK/ERK signaling pathway may be an important resistance mechanism and accordingly co-targeting this pathway effectively overcomes and abrogates acquired resistance to third-generation EGFR-TKIs. This review focuses on discussing the scientific rationale for and potential of co-targeting MEK/ERK signaling in delaying and overcoming acquired resistance to third-generation EGFR-TKIs, particularly osimertinib.Keywords: acquired resistance, EGFR inhibitors, osimertinib, MEK/ERK, lung cancer |
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