Alisertib in Combination With Osimertinib in Metastatic EGFR-mutant Lung Cancer

Osimertinib is a medication used to treat non-small-cell lung carcinomas with a specific mutation. It is a third-generation epidermal growth factor receptor tyrosine kinase inhibitor. Patients will be receiving full dose osimertinib (80 mg PO daily) as part of the patient's current standard of care.

Alisertib is an orally available selective aurora A kinase inhibitor. Alisertib will be administered to eligible patients in combination with osimertinib at doses ranging from 20 mg to 50 mg PO twice daily on days 1-3, 8-10, and 15-17 of a 28-day cycle. The starting alisertib dose for Cohort 1 will be 30 mg twice daily (dose level 1).