期刊
BMJ CASE REPORTS
卷 12, 期 7, 页码 -出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/bcr-2018-227299
关键词
cancer intervention; lung cancer (oncology); pharmacokinetics; tyrosine kinase inhibitor
Oral anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors (TKI) have shown significant benefit in the management of ALK-rearranged non-small cell lung cancer (NSCLC). However, almost all patients will experience disease progression after front-line ALK-TKIs such as crizotinib. Treatment with third generation ALK-TKI lorlatinib can have a significant clinical impact following disease progression, even in patients with a very poor performance status. Here, we review two clinical cases with metastatic ALK-rearranged NSCLC who had pulmonary disease control with first-generation ALK inhibitor. However, disease progressed rapidly in the central nervous system with severe neurological symptoms. Treatment with lorlatinib, a third-generation ALK-TKI, led to a rapid radiological and clinical cerebral response in both patients. Lorlatinib can overcome ALK resistance to crizotinib, and the presented cases suggest a potential role for lorlatinib in patients with rapidly progressive cerebral and leptomeningeal metastases.
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