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ALK and ROS1 as a joint target for the treatment of lung cancer: a review.

ABSTRACT: Rearrangements of the anaplastic lymphoma kinase (ALK) have been described in multiple malignancies, including non-small cell lung cancer (NSCLC). ALK fusions have gain of function properties while activating mutations in wild-type ALK can also occur within the tyrosine kinase domain. ALK rearrangements define a new molecular subtype of NSCLC that is exquisitely sensitive to ALK inhibition. Crizotinib, an orally available small molecule ATP-mimetic compound which was originally designed as a MET inhibitor, was recognized to have "off-target" anti-ALK activity and has been approved in the USA for the treatment of patients with ALK-positive NSCLC. Chromosomal rearrangements involving the ROS1 receptor tyrosine kinase have also been recently described in NSCLC, while crizotinib is currently under clinical trial in this molecular subset of NSCLC patients. The basic approaches of any computer aided drug design work in terms of structure and ligand based drug design. Details of each of these approaches should be covered with an emphasis on utilizing both in order to develop multi-targeted small-molecule kinase inhibitors. Such multi-targeted tyrosine kinase inhibitors can have antiproliferative activity against both ROS1and ALK rearranged NSCLC. Herein, we highlight the importance of targeting these proteins and the advances in optimizing more potent and selective ALK and ROS1 kinase inhibitors.

SUBMITTER: Puig de la Bellacasa R

PROVIDER: S-EPMC4369855 | biostudies-literature | 2013 Apr

REPOSITORIES: biostudies-literature

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ALK and ROS1 as a joint target for the treatment of lung cancer: a review.

Puig de la Bellacasa Raimon R Karachaliou Niki N Estrada-Tejedor Roger R Teixidó Jordi J Costa Carlota C Borrell José I JI

Translational lung cancer research 20130401 2

Rearrangements of the anaplastic lymphoma kinase (ALK) have been described in multiple malignancies, including non-small cell lung cancer (NSCLC). ALK fusions have gain of function properties while activating mutations in wild-type ALK can also occur within the tyrosine kinase domain. ALK rearrangements define a new molecular subtype of NSCLC that is exquisitely sensitive to ALK inhibition. Crizotinib, an orally available small molecule ATP-mimetic compound which was originally designed as a MET ...[more]

PMID: 25806218

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Project description:Background and objectiveFirst-line treatment options for patients with advanced non-small cell lung cancer (aNSCLC) whose tumors harbour anaplastic lymphoma kinase (ALK) gene rearrangements have rapidly evolved from chemotherapy, to the first in class ALK-targeted tyrosine kinase inhibitor (TKI) crizotinib in 2011, and now include no fewer than five Food and Drug Administration (FDA)-approved ALK inhibitors. However, while superiority to crizotinib has been established, head-to-head clinical trials comparing newer generation ALK inhibitors are lacking, and decisions on optimal first-line treatment must be based on analysis of the relevant trials, with attention to systemic and intracranial efficacy, toxicity profile as well as consideration of patient factors and preferences. Here we aim to synthesise findings from review of these trials and to describe options for optimal first-line treatment for ALK+ NSCLC.MethodsA literature review of relevant randomised clinical trials was undertaken using Embase database. There were no limitations to time frame or language applied.Key content and findingsCrizotinib was established as the standard of care first-line treatment for patients with ALK+ aNSCLC in 2011. Since this time, alectinib, brigatinib, ensartinib and lorlatinib have all demonstrated superiority as first-line treatments compared to crizotinib, based on progression free survival, intra-cranial efficacy, and side-effect profiles.ConclusionsOptions for optimal first-line treatment for ALK+ aNSCLC include alectinib, brigatinib and lorlatinib. This review serves as a resource summarizing data from key clinical trials with ALK inhibitors to aid in decision making when tailoring treatment for patients. Future research in the field includes real world analysis of efficacy and toxicity of next-generation ALK-inhibitors, identification of mechanisms of tumor persistence and acquired resistance, development of novel ALK inhibitors, and use of ALK-TKIs in earlier stage disease.

Dataset Information

ALK and ROS1 as a joint target for the treatment of lung cancer: a review.

Publications

ALK and ROS1 as a joint target for the treatment of lung cancer: a review.

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