Does Tagrisso (osimertinib) cross the blood-brain barrier for your metastatic brain lesions?
Yes, Tagrisso is known to cross the blood-brain barrier, which is one reason it's often used for NSCLC with brain metastases. It was specifically designed to target the T790M EGFR mutation and has better penetration into the brain Show Full Answer
Does Tagrisso (osimertinib) cross the blood-brain barrier for your metastatic brain lesions?
Yes, Tagrisso is known to cross the blood-brain barrier, which is one reason it's often used for NSCLC with brain metastases. It was specifically designed to target the T790M EGFR mutation and has better penetration into the brain compared to earlier EGFR inhibitors.
Given your history with multiple brain treatments (gamma knife radiation twice, LITT ablation, and now another recurrence), it's understandable to have concerns about whether your current medication is reaching the brain effectively.
The blood-brain barrier normally protects the central nervous system by keeping most molecules out. However, lung cancer cells can break down this barrier, and certain targeted therapies like Tagrisso are designed to penetrate it better than traditional chemotherapy.
With your recurrence, your oncology team will likely consider several factors for next steps:
* Your overall health and function
* The number and location of new brain lesions
* How well your lung cancer is controlled elsewhere
* Whether additional radiation or surgery might be options
Treatment options for brain metastases typically include combinations of medication, radiation therapy (whole-brain or stereotactic), or neurosurgery depending on your specific situation.
It's worth having a detailed conversation with your oncologist about whether continuing Tagrisso makes sense or if other treatment approaches might be more effective for your current situation.
February 11
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