Intra-pemetrexed Plus Third-generation Small Molecule TKI Drugs (e.g. 'Osimertinib') Versus Third-generation Small Molecule TKI Drugs Alone for Leptomeningeal Metastasis From Epidermal Growth Factor Receptor Mutation-Positive Non-Small-cell Lung Cancer
Conditions
- Leptomeningeal Metastasis
Interventions
- DRUG: Osimertinib
- DRUG: Pemetrexed
Sponsor
Guangzhou Medical University