Crizotinib resistance overcome by ceritinib in an ALK-positive non-small cell lung cancer patient with brain metastases: A case report

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Abstract

Rationale:

The treatment of non-small cell lung cancer (NSCLC) has now changed dramatically in recent years and anaplastic lymphoma receptor tyrosine kinase (ALK) inhibitors are developing rapidly.

Patient concerns:

Here we reported a 57-year-old ALK-positive NSCLC man with brain metastases.

Diagnoses:

A case of lung adenocarcinoma with brain metastases.

Interventions:

Crizotinib was administered orally at a dose of 250mg twice a day until the brain metastases were found. Treatment with orally administered ceritinib at a dose of 450mg/d was initiated after crizotinib treatment.

Outcomes:

The patient is currently receiving maintenance ceritinib treatment, with no evidence of extracranial or intracranial tumor progression for 25 months.

Lessons:

Ceritinib may be a good choice for ALK-positive NSCLC patients with brain metastases who acquire resistance to crizotinib.

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