Brigatinib is a novel potent tyrosine kinase inhibitor as third-generation therapy for anaplastic lymphoma kinase (ALK) rearrangement positive non-small cell lung cancer (NSCLC). Clinical trials show that brigatinib is potent choice of treatment for the first line and further lines of treatment of ALK rearranged NSCLC with highly potent anti-tumor effect on brain metastasis. The adverse effects of brigatinib are tolerable and managable. However, there is limited data about effects on immune system. The most possible serious adverse effect of brigatinib on immune system might be brigatinib associated grade 3-4 lymphopenia. Here we report a brigatinib-induced tuberculosis reactivation patient who is using third-line brigatinib for metastatic NSCLC and have partial response.
Keywords: Immunodeficiency; Lung cancer; Lymphopenia; Tyrosine kinase inhibitor.
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