A Study Evaluating Furmonertinib Plus Platinum-based Doublet Chemotherapy Versus Osimertinib in Patients With Epidermal Growth Factor Receptor (EGFR) Sensitizing Mutation-Positive Non-squamous Non-Small Cell Lung Cancer (NSCLC) and Brain Metastases

Usage and dosage: 80mg, 240mg, or 160mg QD orally Medication duration: A cycle of 21 days until intolerable toxicity, disease progression, death, or initiation of new anti-tumor therapy occurs

"Usage and dosage: Administer via IV infusion, with a dosage of AUC5, not exceeding 750 mg.~Medication schedule: every 3 weeks as a cycle, D1 administration per cycle, immediate administration of carboplatin upon completion of pemetrexed infusion, intravenous infusion, carboplatin can be used for up to 4 cycles."

Usage and dosage: Administer via IV infusion at a dose of 75 mg/m2. Medication schedule: Every 3 weeks as a cycle, with D1 administration per cycle. Cisplatin is administered approximately 30 minutes after the infusion of pemetrexed, via intravenous infusion. Adequate hydration therapy must be received before and after cisplatin treatment. Cisplatin can be used for up to 4 cycles.

Usage and dosage: Intravenous (IV) infusion administration, dosage of 500 mg/m2 Medication schedule: Administer on the first day of each cycle (21 days per cycle, i.e. every 3 weeks) until intolerable toxicity, disease progression, death, or initiation of new anti-tumor therapy occurs.

Usage and dosage: 80mg, QD administration Medication duration: A cycle of 21 days until intolerable toxicity, disease progression, death, or initiation of new anti-tumor therapy occurs