Anaplastic lymphoma kinase rearrangement in lung Cancer: Its biological and clinical significance

Gouji Toyokawa, Takashi Seto

研究成果: Contribution to journalReview article査読

12 被引用数 (Scopus)

抄録

Anaplastic lymphoma kinase (ALK) has been found to fuse with other partners, such as echinoderm microtubule-associated protein-like 4 (EML4), leading to potent malignant transformation in lung cancer, specifically non-small-cell lung cancer (NSCLC). The frequency of the ALK rearrangement in patients with NSCLC is reported to be 4-7%, and the rearrangement is frequently observed in relatively younger patients, non- or light smokers and those with adenocarcinoma histology without other genetic disorders, such as mutations of the epidermal growth factor receptor gene. Crizotinib, which is a first-in-class ALK tyrosine kinase inhibitor (TKI), was shown to be effective and well tolerated in ALK-positive NSCLC patients by a single-arm phase I study. Furthermore, a phase III randomized study demonstrated the superiority of crizotinib to standard chemotherapy (pemetrexed or docetaxel) in the treatment of NSCLC patients harboring the ALK rearrangement who had received one prior platinum-based chemotherapy. However, the mechanisms of resistance to crizotinib are major concerns when administering crizotinib to ALK-positive NSCLC patients, and they include second mutations and a gain in the copy number of the ALK gene, activation of other oncogenes, etc. Treatment strategies to overcome these mechanisms of resistance have been developed, including the use of second-generation ALK inhibitors, such as alectinib and ceritinib, heat shock protein 90 inhibitors and so on. In this article, we review the pre-clinical and clinical data regarding the biologal and clinical significance of the ALK rearrangement in lung cancer.

本文言語英語
ページ(範囲)330-338
ページ数9
ジャーナルRespiratory Investigation
52
6
DOI
出版ステータス出版済み - 11 1 2014

All Science Journal Classification (ASJC) codes

  • 呼吸器内科

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