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Abstract
Background
The acquired resistance to ALK tyrosine kinase inhibitors (TKIs) in ALK-rearranged NSCLC is associated with poor survival outcomes and poses distinct clinical challenges. It is essential to develop potential therapeutic strategies for overcoming resistance.
Case presentation
Here, we first report a female lung adenocarcinoma patient with an acquired ALK resistance mutation (ALK 11171N) who was treated with ensartinib. Her symptoms significantly improved after only 20 days, and with a side effect of mild rash. Follow-up images observed no further brain metastases after 3 months.
Conclusions
This treatment may provide a new therapeutic strategy for ALK TKIs resistant patients, especially in position 1171 of ALK exon20.
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