Osimertinib Demonstrates Early Efficacy for Leptomeningeal Disease in NSCLC


“Phase I findings of a study examining the efficacy of osimertinib (Tagrisso) in heavily pretreated patients with EGFR-mutated advanced non–small cell lung cancer (NSCLC) and leptomeningeal disease showed promising activity in the patient population.

“In the BLOOM study, which was presented during the 2016 ASCO Annual Meeting, treatment with the third-generation EGFR TKI osimertinib was associated with radiologic improvement of leptomeningeal disease in 33% and neurologic improvement in patients who presented with neurologic impairment at baseline. In addition, 2 of the 21 patients (9.5%) enrolled experienced clearing of cerebrospinal fluid (CSF) cytology, said James Chih-Hsin Yang, MD, PhD, who announced the results.”

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