2016
DOI: 10.1016/j.ebiom.2015.12.009
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P-glycoprotein Mediates Ceritinib Resistance in Anaplastic Lymphoma Kinase-rearranged Non-small Cell Lung Cancer

Abstract: The anaplastic lymphoma kinase (ALK) fusion oncogene is observed in 3%–5% of non-small cell lung cancer (NSCLC). Crizotinib and ceritinib, a next-generation ALK tyrosine kinase inhibitor (TKI) active against crizotinib-refractory patients, are clinically available for the treatment of ALK-rearranged NSCLC patients, and multiple next-generation ALK-TKIs are currently under clinical evaluation. These ALK-TKIs exhibit robust clinical activity in ALK-rearranged NSCLC patients; however, the emergence of ALK-TKI res… Show more

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Cited by 128 publications
(108 citation statements)
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“…Recent work has identified P-gp overexpression as a potential resistance mechanism in 3 of 11 ALK -positive, crizotinib- or ceritinib-resistant NSCLC patients (105). In a patient-derived cell line overexpressing P-gp, shRNA-mediated knockdown of ABCB1 or pharmacologic inhibition of P-gp using verapamil re-sensitized the resistant cells to crizotinib and ceritinib (105). These findings need to be validated in larger patient cohorts.…”
Section: Mechanisms Of Resistance To Alk Tkismentioning
confidence: 99%
“…Recent work has identified P-gp overexpression as a potential resistance mechanism in 3 of 11 ALK -positive, crizotinib- or ceritinib-resistant NSCLC patients (105). In a patient-derived cell line overexpressing P-gp, shRNA-mediated knockdown of ABCB1 or pharmacologic inhibition of P-gp using verapamil re-sensitized the resistant cells to crizotinib and ceritinib (105). These findings need to be validated in larger patient cohorts.…”
Section: Mechanisms Of Resistance To Alk Tkismentioning
confidence: 99%
“…However, despite the efficacy of second-generation ALK inhibitors, patients almost invariably relapse. Thus far, descriptions of molecular mechanisms of resistance to second-generation ALK inhibitors have been limited to in vitro studies, case reports and small clinical series, making it difficult to determine the scope of such alterations (17, 1923). …”
Section: Introductionmentioning
confidence: 99%
“…Using TrkAi as a monotherapy or combined with low concentrations of CHOP hindered the growth of the lymphoma tumors in vivo and improved mice survival. Although selective ALK inhibitors represent an emerging strategy to treat ALK + neoplasms including NPM‐ALK + T‐cell lymphoma (Mosse et al ., 2013), several resistance mechanisms to these inhibitors have been already identified and characterized, which represents an important limitation (Dong et al ., 2016; Isozaki et al ., 2016; Katayama et al ., 2016; Zdzalik et al ., 2014). Our findings suggest that TrkA inhibition could represent an alternative therapeutic approach to tackle this aggressive neoplasm.…”
Section: Discussionmentioning
confidence: 99%