• Huixian Zhang, Xingya Li, Ziheng Zhang, Siyuan Huang, Qianqian Guo, and Ningning Yan.
• Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou City, Henan Province 450052, People's Republic of China.
• Medicine (Baltimore). 2023 Jul 21; 102 (29): e33543e33543.

AbstractAs a second-generation selective oral anaplastic lymphoma kinase inhibitor, ceritinib is an effective first-line treatment for c-ros oncogene 1 (ROS1)-rearranged non-small-cell lung cancer (NSCLC). Its efficacy and safety for the treatment of crizotinib-resistant ROS1-rearranged NSCLC were explored in the study. A retrospective single-center study was conducted to investigate the efficacy of ceritinib in crizotinib-resistant ROS1-rearranged NSCLC. The objective response rate was the primary objective, while the disease control rate, progression-free survival and adverse events were secondary objectives. From December 2015 to October 2021, a total of 246 patients with ROS1-rearranged NSCLC were screened, 12 (4.9%) of whom were treated with ceritinib after the development of crizotinib resistance. Among the 12 crizotinib-resistant patients included, 3 displayed the efficacy of partial response and 3 had the efficacy of stable condition. The objective response rate, disease control rate and median progression-free survival of all patients were 25% (95% confidence interval [CI]: -3.7% to 53.7%; 3 of 12 patients), 50% (95% CI: 16.8% to 83.2%; 6 of 12 patients), and 10.5 months (95% CI, 5.7 to 15.3 months), respectively. In addition, of the 6 patients with brain metastases, an intracranial disease control rate of 66.7% (95% CI:12.5% to 120.9%) was obtained. The research results reveal that ceritinib can be a treatment option for ROS1-rearranged NSCLC patients after the development of crizotinib resistance.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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